Math Homework Answers - Recent questions and answers
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Powered by Question2AnswerAnswered: Simplify (4−5y)−2(3.5y−8)
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i have no answer follow me at jojoswiahasNOhairlinePre-Algebra Answershttps://www.mathhomeworkanswers.org/264744/simplify-4%E2%88%925y-%E2%88%922-3-5y%E2%88%928?show=269647#a269647Sat, 25 Jan 2020 01:47:15 +0000Answered: -1x³+11x²+8x
https://www.mathhomeworkanswers.org/267159/1x%C2%B3-11x%C2%B2-8x?show=269641#a269641
<p style="text-align: justify;">x(-x²+11x+8) or -x(x²-11x-8)</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/267159/1x%C2%B3-11x%C2%B2-8x?show=269641#a269641Fri, 24 Jan 2020 09:06:41 +0000Answered: Negative and positive integer problems that equal 36
https://www.mathhomeworkanswers.org/269636/negative-and-positive-integer-problems-that-equal-36?show=269637#a269637
40 +(-4)=36<br />
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31-(-5)=36<br />
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-(6)x(-6)=36<br />
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-(-360)/10=36<br />
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2^2x(-3)^2=36<br />
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Hope this helps you to form more problems.https://www.mathhomeworkanswers.org/269636/negative-and-positive-integer-problems-that-equal-36?show=269637#a269637Fri, 24 Jan 2020 03:10:49 +0000Answered: Which formula do you need to convert 77º F into kelvins?
https://www.mathhomeworkanswers.org/214188/which-formula-do-you-need-to-convert-77%C2%BA-f-into-kelvins?show=269632#a269632
idkaOther Math Topicshttps://www.mathhomeworkanswers.org/214188/which-formula-do-you-need-to-convert-77%C2%BA-f-into-kelvins?show=269632#a269632Thu, 23 Jan 2020 15:30:43 +0000Answered: dy/dx = (x-1)(x+2)^3 - 2y(x + 5) / (x^2 + y - 2)
https://www.mathhomeworkanswers.org/267415/dy-dx-x-1-x-2-3-2y-x-5-x-2-y-2?show=269631#a269631
<p style="text-align:justify">It’s not clear whether the divisor is applied to both terms on the right-hand side or just the second term. If we assume the former then we have a DE of the form:</p>
<p style="text-align:justify">dy/dx=(R(x)-P(x,y))/Q(x,y)</p>
<p style="text-align:justify">which can be written:</p>
<p style="text-align:justify">P(x,y)+Q(x,y)dy/dx=R(x).</p>
<p style="text-align:justify">If this DE is exact, then ∂P/∂y=∂Q/∂x where P(x,y)=2y(x+5), so ∂P/∂y=2(x+5), and Q(x,y)=x²+y-2, so ∂Q/∂x=2x, and the partial derivatives are unequal.</p>
<p style="text-align:justify">We may be able to find an integrating factor I(x) or J(y) which makes the partial derivatives equal. If such is the case, we have ∂(IP)/∂y=∂(IQ)/∂x or ∂(JP)/∂y=∂(JQ)/∂x.</p>
<p style="text-align:justify">∂(IP)/∂y=∂(IQ)/∂x is the same as I∂P/∂y=QdI/dx+I∂Q/∂x⇒QdI/dx=I(∂P/∂y-∂Q/∂x), ∫dI/I=∫(1/Q)(∂P/∂y-∂Q/∂x)dx, and ln(I)=∫(1/Q)(∂P/∂y-∂Q/∂x)dx, I=e^∫(1/Q)(∂P/∂y-∂Q/∂x)dx. [The partial derivative of I wrt x is the same as dI/dx, and similarly the PD of J wrt y is dJ/dy. I is treated as a constant when finding the PD wrt y, and J is treated as a constant when finding the PD wrt x.]</p>
<p style="text-align:justify">Similarly, J=e^∫(1/P)(∂Q/∂x-∂P/∂y)dy.</p>
<p style="text-align:justify">∂P/∂y-∂Q/∂x=2x+10-2x=10 in this case, substituting for P and Q.</p>
<p style="text-align:justify">I must be a function of x only and J must be a function of y only. However, because neither 10/Q or -10/P gives a reducible expression in x or y alone, an integrating factor cannot be found using this method.</p>
<p style="text-align:justify">More to follow...</p>Other Math Topicshttps://www.mathhomeworkanswers.org/267415/dy-dx-x-1-x-2-3-2y-x-5-x-2-y-2?show=269631#a269631Thu, 23 Jan 2020 15:01:58 +0000Answered: Four more than two thirds of a numbers is 22 Find the number
https://www.mathhomeworkanswers.org/267432/four-more-than-two-thirds-of-a-numbers-is-22-find-the-number?show=269624#a269624
Four over 3Algebra 1 Answershttps://www.mathhomeworkanswers.org/267432/four-more-than-two-thirds-of-a-numbers-is-22-find-the-number?show=269624#a269624Thu, 23 Jan 2020 03:18:22 +0000Answered: Averages mean mode median
https://www.mathhomeworkanswers.org/269618/averages-mean-mode-median?show=269621#a269621
<p style="text-align:justify">The late times for 7 buses has been given, but we need all 8.</p>
<p style="text-align:justify">However, we can work towards a solution using symbols and logic. If we list the late times in order symbolically we have:</p>
<p style="text-align:justify">b₁, b₂, b₃, b₄, b₅, b₆, b₇, b₈, b₉, b₁₀.</p>
<p style="text-align:justify">If the median is 4.5, b₅+b₆=9 because the median is the average, in this case, of the 5th and 6th data elements.</p>
<p style="text-align:justify">Also, if the minimum late time is 1 minute, b₁=b₂=1, and since the mode is also 1, b₃=1 because 1 must be the most recurring data value (mode). We therefore assume that at least one of the remaining two buses must have been a minute late. The values 8, 8, 9, 9 are all greater than 4.5 so they must be included in b₆-b₁₀, the last 5 values.</p>
<p style="text-align:justify">We know because the data is ordered that b₅≥2, and that b₄=2. If b₅=2, b₆=7 because b₅+b₆=9. If b₅=3, b₆=6, if b₅=4, b₆=5. No other values for b₅ and b₆ are possible.</p>
<p style="text-align:justify">Here are possible datasets:</p>
<ol>
<li style="text-align:justify">1, 1, 1, 2, 2, 7, 8, 8, 9, 9.</li>
<li style="text-align:justify">1, 1, 1, 2, 3, 6, 8, 8, 9, 9.</li>
<li style="text-align:justify">1, 1, 1, 2, 4, 5, 8, 8, 9, 9.</li>
</ol>
<p style="text-align:justify">Each dataset has a mean of 4.8 minutes, a median of 4.5 minutes and a mode of 1 minute, and one of the two afternoon buses was a minute late. The other afternoon bus and the bus for which we are not given the late time could have been 2, 3, 4, 5, 6 or 7 minutes late. In other words, if we had the missing late data, we could determine the late time of the other bus in the pair that came later.</p>
<p style="text-align:justify"> </p>https://www.mathhomeworkanswers.org/269618/averages-mean-mode-median?show=269621#a269621Wed, 22 Jan 2020 20:49:42 +0000Answered: Averages and the range
https://www.mathhomeworkanswers.org/269617/averages-and-the-range?show=269619#a269619
<p style="text-align: justify;">If the mean height of 15 girls is 1.65m, the sum of the girls’ heights is 15×1.65=24.75m.</p>
<p style="text-align: justify;">If the mean height of 10 boys is x metres, the sum of the boys’ heights is 10x m.</p>
<p style="text-align: justify;">The sum of all 25 srudents’ heights is 25×1.682=42.05m.</p>
<p style="text-align: justify;">Therefore, 24.75+10x=42.05, x=(42.05-24.75)/10=1.73m, the mean height of the boys. </p>https://www.mathhomeworkanswers.org/269617/averages-and-the-range?show=269619#a269619Wed, 22 Jan 2020 20:12:47 +0000Answered: Write a story problem in which you would have to multiply 5 × -1/3 to find the answer.
https://www.mathhomeworkanswers.org/246561/write-story-problem-which-you-would-have-multiply-find-answer?show=269609#a269609
Jayla,Brian,cash, leylah, jasmineAlgebra 1 Answershttps://www.mathhomeworkanswers.org/246561/write-story-problem-which-you-would-have-multiply-find-answer?show=269609#a269609Tue, 21 Jan 2020 23:05:38 +0000Answered: If $a$ is a constant such that $4x^2 + 14x + a$ is the square of a binomial, then what is $a$?
https://www.mathhomeworkanswers.org/269129/%24a%24-constant-such-that-%244x-14x-square-binomial-then-what-%24a%24?show=269608#a269608
49/4Algebra 2 Answershttps://www.mathhomeworkanswers.org/269129/%24a%24-constant-such-that-%244x-14x-square-binomial-then-what-%24a%24?show=269608#a269608Tue, 21 Jan 2020 17:28:38 +0000Answered: (2x^2 y - 2xy^2 + y)dx + (x - 2y)dy
https://www.mathhomeworkanswers.org/267414/2x-2-y-2xy-2-y-dx-x-2y-dy?show=269599#a269599
<p style="text-align:justify"><span style="font-size:14px">Assume (2x²y-2xy²+y)dx + (x-2y)dy=0.</span></p>
<p style="text-align:justify"><span style="font-size:14px">Let P(x,y)=2x²y-2xy²+y and Q(x,y)=x-2y.</span></p>
<p style="text-align:justify"><span style="font-size:14px">If the DE is exact, ∂P/∂y=∂Q/∂x</span></p>
<p style="text-align:justify"><span style="font-size:14px">The DE becomes:</span></p>
<p style="text-align:justify"><span style="font-size:14px">P+Qdy/dx=0.</span></p>
<p style="text-align:justify"><span style="font-size:14px">∂P/∂y=2x²-4xy+1, ∂Q/∂x=1, so the DE is not exact.</span></p>
<p style="text-align:justify"><span style="font-size:14px">To convert it into an exact equation we want to find R₁(x) or R₂(y) where:</span></p>
<p style="text-align:justify"><span style="font-size:14px">R₁=(1/Q)(∂P/∂y-∂Q/∂x) or R₂=(1/P)(∂Q/∂x-∂P/∂y).</span></p>
<p style="text-align:justify"><span style="font-size:14px">So R₁=(1/(x-2y))(2x²-4xy+1-1)=2x(x-2y)/(x-2y)=2x.</span></p>
<p style="text-align:justify"><span style="font-size:14px">R₂=(1/(2x²y-2xy²+y))(1-2x²+4xy-1)=-2x(x-2y)/(2x²y-2xy²+y).</span></p>
<p style="text-align:justify"><span style="font-size:14px">Since only R₁ reduces to the requirement of a function of x alone, we can derive a multiplier e^∫R₁dx=e^∫2xdx=e^x².</span></p>
<p style="text-align:justify"><span style="font-size:14px">e^x²P+e^x²Qdy/dx=0 is now an exact equation.</span></p>
<p style="text-align:justify"><span style="font-size:14px">Let M=e^x²P=e^x²(2x²y-2xy²+y)</span></p>
<p style="text-align:justify"><span style="font-size:14px">and N=e^x²(x-2y).</span></p>
<p style="text-align:justify"><span style="font-size:14px">[Proof of exactness:</span></p>
<p style="text-align:justify"><span style="font-size:14px">∂M/∂y=∂N/∂x=2x²e^x²-4xye^x²+e^x².]</span></p>
<p style="text-align:justify"><span style="font-size:14px">For a function F(x,y), ∂F/∂x=M and ∂F/∂y=N.</span></p>
<p style="text-align:justify"><span style="font-size:14px">If we use N to find F we have:</span></p>
<p style="text-align:justify"><span style="font-size:14px">F=∫∂F/∂y.dy=∫(e^x²(x-2y))dy=xye^x²-y²e^x²+f(x). Here we are integrating as if x were a constant as we integrate with respect to y. Hence the constant of integration is a function of x, f(x).</span></p>
<p style="text-align:justify"><span style="font-size:14px">But ∂F/∂x=M=e^x²(2x²y-2xy²+y)=2x²ye^x²-2xy²e^x²+ye^x².</span></p>
<p style="text-align:justify"><span style="font-size:14px">Using F=xye^x²-y²e^x²+f(x), ∂F/∂x=ye^x²+2x²ye^x²-2xy²e^x²+df/dx.</span></p>
<p style="text-align:justify"><span style="font-size:14px">These two expressions for ∂F/∂x are equal so df/dx=0, and f=k, a constant.</span></p>
<p style="text-align:justify"><span style="font-size:14px">Therefore, F=xye^x²-y²e^x²+k.</span></p>
<p style="text-align:justify"><span style="font-size:14px">By definition, ∂F/∂x+(∂F/dy)(dy/dx)=dF/dx, so dF/dx=0, because the original DE=0, and F=c, a constant.</span></p>
<p style="text-align:justify"><span style="font-size:14px">Therefore, xye^x²-y²e^x²+k=c. We can combine the two constants into one, a.</span></p>
<p style="text-align:justify"><span style="font-size:14px">So the DE solution is xye^x²-y²e^x²+a=0.</span></p>
<p style="text-align:justify"><span style="font-size:14px">If we differentiate this we should get the original DE.</span></p>
<p style="text-align:justify"><span style="font-size:14px">(ye^x²+2x²ye^x²-2xy²e^x²)dx+(xe^x²-2ye^x²)dy=0,</span></p>
<p style="text-align:justify"><span style="font-size:14px">(y+2x²y-2xy²)dx+(x-2y)du=0.</span></p>Other Math Topicshttps://www.mathhomeworkanswers.org/267414/2x-2-y-2xy-2-y-dx-x-2y-dy?show=269599#a269599Mon, 20 Jan 2020 21:24:45 +0000Answered: You need 270 mL of a 95% alcohol solution. On hand, you have a 55% alcohol mixture. How much of the 55% alcohol mixture and pure alcohol will you need to obtain the desired solution?
https://www.mathhomeworkanswers.org/269578/solution-alcohol-mixture-alcohol-mixture-alcohol-solution?show=269586#a269586
<p style="text-align:justify">Let m be the amount in mL you need of the 55% mixture. The amount of alcohol in the mixture is 0.55mL.</p>
<p style="text-align:justify">Let a be the amount in mL you need of the pure alcohol. We need 270mL altogether, so a+m=270.</p>
<p style="text-align:justify">The amount of alcohol in the final solution is 0.95×270=256.5mL.</p>
<p style="text-align:justify">So 0.55m+a=256.5. That is, 0.55m+270-m=256.5. Therefore, 0.45m=270-256.5=13.5. m=13.5/0.45=1350/45=30mL.</p>
<p style="text-align:justify">So we need 30mL of the mixture on hand and 270-30=240ml of pure alcohol.</p>
<p style="text-align:justify"> </p>Word Problem Answershttps://www.mathhomeworkanswers.org/269578/solution-alcohol-mixture-alcohol-mixture-alcohol-solution?show=269586#a269586Mon, 20 Jan 2020 10:04:57 +0000Answered: a plastic container company design a container with a lid to hold one piece of pie
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23cmGeometry Answershttps://www.mathhomeworkanswers.org/230603/plastic-container-company-design-container-with-hold-piece?show=269573#a269573Sun, 19 Jan 2020 15:48:40 +0000Answered: in roster method, set of A is the set of two-digit odd numbers greater than 39 that are divisible by 5
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What is the set of two digit odd numbers less than 71 that are divisible by 5Algebra 2 Answershttps://www.mathhomeworkanswers.org/237213/roster-method-set-digit-numbers-greater-than-that-divisible?show=269572#a269572Sun, 19 Jan 2020 13:55:51 +0000Answered: 9x -7i >3 (3x - 7u)
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I<3u is the answerorder of operationshttps://www.mathhomeworkanswers.org/20357/9x-7i-3-3x-7u?show=269566#a269566Sat, 18 Jan 2020 23:32:13 +0000Answered: What is the fraction 62.50/100 in simplest form
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<p><strong>i dont know the answer to 62.5/100 simplified</strong></p>Pre-Algebra Answershttps://www.mathhomeworkanswers.org/101225/what-is-the-fraction-62-50-100-in-simplest-form?show=269565#a269565Sat, 18 Jan 2020 18:30:37 +0000Answered: topic 8 test form a math aswers
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https://www.mathhomeworkanswers.org/269552/need-assistance-questions-involves-evaluating-subscripts?show=269558#a269558
<p style="text-align:justify"><span style="font-family:.sfuitext; font-size:17pt">1) (8×7×6×5)/(1×2×3×4)=70</span></p>
<p style="text-align:justify"><span style="font-family:.sfuitext; font-size:17pt">2) 7×6×5×4=840</span></p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269552/need-assistance-questions-involves-evaluating-subscripts?show=269558#a269558Sat, 18 Jan 2020 10:00:50 +0000Answered: All of the following are equivalent except _____. -5(x - 1) -5x + 5 5 - 5x (5 - 5)x
https://www.mathhomeworkanswers.org/269548/all-of-the-following-are-equivalent-except-_____-x-5x-5-5-5x-5-5?show=269550#a269550
<p style="text-align: justify;">Except (5-5)x</p>Pre-Algebra Answershttps://www.mathhomeworkanswers.org/269548/all-of-the-following-are-equivalent-except-_____-x-5x-5-5-5x-5-5?show=269550#a269550Fri, 17 Jan 2020 19:55:39 +0000Answered: What are the first 21-digit prime in consecutive decimal digits of e?What are the first 21-digit prime in consecutive decimal digits of e?
https://www.mathhomeworkanswers.org/269529/consecutive-decimal-digits-first-consecutive-decimal-digits?show=269535#a269535
<p style="text-align:justify">There are only ten decimal digits (a digit is a single number, not to be confused with an integer of which there are an infinite number). So it is only possible to have 21 consecutive digits if they are arranged in ascending or descending order: 123456789876543210123. e is a transcendental number which has an infinite number of decimal places so every possible combination of digits will occur somewhere. Therefore if 123456789876543210123 is prime, then it may be the smallest 21-digit prime number with consecutive decimal digits. But this number is divisible by 3, so is not prime.</p>
<p style="text-align:justify">Note that if the number starts with an odd digit it also ends with one. So we can move 2 digits at a time. Proceeding like this we discover continued divisibility by 3 or 5, until we get to 101234567898765432101, which is not divisible by 3, and may be a prime number (assume it is, because it’s the only possible candidate). (Test for divisibility by 3 by summing the digits. If the sum is divisible by 3, then so is the number. Note that the sum from 1 to 8 is divisible by 3, therefore so is the sum from 1 to 9. This means we only have to sum some of the digits to check for divisibility by 3. And we can eliminate all numbers ending in 5 or an even digit. Note also that groups of 3 digits (012, 123, 234, 345, 456, 567, 678, 789) are all divisible by 3; but a change of direction is not (101, 898). A 21-digit number has 7 groups of 3 digits.)</p>
<p style="text-align:justify">[Sum of 3 consecutive digits can be represented by x-1+x+x+1=3x, that is, 3 times the central digit.]</p>
<p style="text-align:justify"> </p>Other Math Topicshttps://www.mathhomeworkanswers.org/269529/consecutive-decimal-digits-first-consecutive-decimal-digits?show=269535#a269535Fri, 17 Jan 2020 08:04:07 +0000Answered: What is it called when a giraffe swallows a toy jet?
https://www.mathhomeworkanswers.org/77010/what-is-it-called-when-a-giraffe-swallows-a-toy-jet?show=269531#a269531
y= -2+5Pre-Algebra Answershttps://www.mathhomeworkanswers.org/77010/what-is-it-called-when-a-giraffe-swallows-a-toy-jet?show=269531#a269531Fri, 17 Jan 2020 00:37:45 +0000Answered: What number property is true for integer multiplication?
https://www.mathhomeworkanswers.org/269528/what-number-property-is-true-for-integer-multiplication?show=269530#a269530
<p style="text-align: justify;">The commutative property is true.</p>
<p style="text-align: justify;">Also, odd times even is even; odd times odd is odd; even times even is even.</p>
<p style="text-align: justify;">All multiples of 9 have digits which sum to 9 or a multiple of 9.</p>
<p style="text-align: justify;">All multiples of 5 end in zero or 5. (Even multiples of 5 end in zero, and odd multiples of 5 end in 5.)</p>
<p style="text-align: justify;">All multiples of 10 end in zero.</p>
<p style="text-align: justify;">All multiples of 3 have digits which sum to 3 or a multiple of 3. All multiples of 6 are even and have digits which sum to 3 or a multiple of 3.</p>Other Math Topicshttps://www.mathhomeworkanswers.org/269528/what-number-property-is-true-for-integer-multiplication?show=269530#a269530Fri, 17 Jan 2020 00:31:08 +0000Answered: How many times can you make 30 cents using quarters dimes and nickels only
https://www.mathhomeworkanswers.org/33721/how-many-times-make-cents-using-quarters-dimes-nickels-only?show=269526#a269526
4 times. 1 nickel +1 quarter, 4 nickels+1 dime, 3 dimes, and 2 nickels+ 2 dimesAlgebra 1 Answershttps://www.mathhomeworkanswers.org/33721/how-many-times-make-cents-using-quarters-dimes-nickels-only?show=269526#a269526Thu, 16 Jan 2020 19:19:03 +0000Answered: How many consecutive “0” are there at the end of the product of 5 x 10 x 15 x ..... x 2010 x 2015.
https://www.mathhomeworkanswers.org/269521/how-many-consecutive-are-there-the-end-the-product-2010-2015?show=269525#a269525
<p style="text-align:justify">Ignore all terms ending in 5, leaving 10×20×30×...×2010. It’s easy to see there are 201 terms ending in zero, so the product (which simply adds the number of zeroes together) ends with at least 201 zeroes. But to that we have to add extra zeroes for 100, 200, ..., 900, 1000, ..., 2000. There are 20 of these, so now we have at least 221 zeroes. Finally, we have extra zeroes for 1000 and 2000, making 223 zeroes in all.</p>https://www.mathhomeworkanswers.org/269521/how-many-consecutive-are-there-the-end-the-product-2010-2015?show=269525#a269525Thu, 16 Jan 2020 17:59:05 +0000Answered: How many 0’s are there in the end of 1 x 4 x 7 x 10 x .... x 697 x 700?
https://www.mathhomeworkanswers.org/269522/how-many-0s-are-there-in-the-end-of-1-x-4-x-7-x-10-x-x-697-x-700?show=269524#a269524
<p style="text-align: justify;">We can ignore all terms not ending in zero. Starting with 10 we form a series with first term 10 and common difference 30, because adding 30 takes us to the next term ending in zero. We can group these for 0-90, 100-190, and so on:</p>
<p style="text-align: justify;">Group Zeroes</p>
<p style="text-align: justify;">10, 40, 70 3</p>
<p style="text-align: justify;">100, 130, 160, 190 5</p>
<p style="text-align: justify;">220, 250, 280 3</p>
<p style="text-align: justify;">310, 340, 370 3</p>
<p style="text-align: justify;">400, 430, 460, 490 5</p>
<p style="text-align: justify;">520, 550, 580 3</p>
<p style="text-align: justify;">610, 640, 670 3</p>
<p style="text-align: justify;">700 2</p>
<p style="text-align: justify;">TOTAL ZEROES: 27</p>
<p style="text-align: justify;">We simply add the number of zeroes together, so there are 27 zeroes at the end of the product.</p>https://www.mathhomeworkanswers.org/269522/how-many-0s-are-there-in-the-end-of-1-x-4-x-7-x-10-x-x-697-x-700?show=269524#a269524Thu, 16 Jan 2020 17:49:17 +0000Answered: Alex is purchasing fajitas from Pappasitos at a price of $7.96for 2 pounds. How much would it cost Alex to pay 5.5 pounds of Fajitas?
https://www.mathhomeworkanswers.org/269510/purchasing-fajitas-pappasitos-pounds-would-pounds-fajitas?show=269517#a269517
<p style="text-align:justify">First, let’s work out the problem to get an answer, then perhaps we can look at other ways of looking at and solving the problem.</p>
<p style="text-align:justify">To me this is simple proportion. If 2 pounds in weight costs $7.96, then 1 pound costs a half of this: $3.98. Therefore 5.5 pounds costs 5×3.98 (=$19.90) plus half of $3.98 (=$1.99) so 19.90+1.99=$21.89. So we have applied division, multiplication and addition to solve the problem this way.</p>
<p style="text-align:justify">The graphical method uses a straight line from which we can read off the cost of any weight of fajitas. </p>
<p style="text-align:justify"><img alt="" src="https://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=14818954198340794984" style="height:277px; width:400px"></p>
<p style="text-align:justify">You can see that the resolution of the graph is too low to get an accurate solution, unless you increase the scale sufficiently to read two decimal places. But the graph is useful for seeing how the cost increases with weight. The equation of the graph is y=3.98x where y is the cost in dollars of x pounds of fajitas. When x=1, for example, y=4 approximately according to the graph. Actually, it’s 3.98, but the resolution of the graph doesn’t show this. When x=5.5, y=22 approximately, whereas the true answer is 21.89.</p>Other Math Topicshttps://www.mathhomeworkanswers.org/269510/purchasing-fajitas-pappasitos-pounds-would-pounds-fajitas?show=269517#a269517Thu, 16 Jan 2020 09:40:00 +0000Answered: divide 300 in the ratio 1:4
https://www.mathhomeworkanswers.org/269508/divide-300-in-the-ratio-1-4?show=269509#a269509
<p style="text-align: justify;">1+4=5, 300/5=60. So 4×60=240, and 300 in the ratio 1:4 is 60:240.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269508/divide-300-in-the-ratio-1-4?show=269509#a269509Wed, 15 Jan 2020 20:01:46 +0000Answered: Write and evaluate the expression. Then, check all that apply.
https://www.mathhomeworkanswers.org/214446/write-and-evaluate-the-expression-then-check-all-that-apply?show=269505#a269505
<p><span style="color:rgb(51, 51, 51); font-family:inherit"><span style="font-family:arial">Write the expression as </span><span style="font-family:georgia"><em>a</em></span><span style="font-family:arial"> – 90.</span></span></p>
<p><span style="color:rgb(51, 51, 51); font-family:inherit"><span style="font-family:arial">Substitute 102 in for the variable, </span><span style="font-family:georgia"><em>a</em></span><span style="font-family:arial">.</span></span></p>
<p><span style="font-family:arial"><span style="color:rgb(51, 51, 51); font-family:inherit">Simplify by subtracting 90 from 102.</span></span></p>
<p><span style="font-family:arial"><span style="color:rgb(51, 51, 51); font-family:inherit">The answer is 12.</span></span></p>Other Math Topicshttps://www.mathhomeworkanswers.org/214446/write-and-evaluate-the-expression-then-check-all-that-apply?show=269505#a269505Wed, 15 Jan 2020 15:02:00 +0000Answered: How many ounces will the heaviest baby have to gain to reach a healthy level?
https://www.mathhomeworkanswers.org/269494/many-ounces-will-heaviest-baby-have-gain-reach-healthy-level?show=269500#a269500
<p style="text-align: justify;">500g×4=2000g=70.55oz would seem to be the healthy weight.</p>
<p style="text-align: justify;">The heaviest baby is 28.6oz, so it needs to gain 70.55-28.6=41.95oz.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269494/many-ounces-will-heaviest-baby-have-gain-reach-healthy-level?show=269500#a269500Wed, 15 Jan 2020 08:48:48 +0000Answered: how do you solve this 2(9x-1)=99-7(3-4x)
https://www.mathhomeworkanswers.org/57317/how-do-you-solve-this-2-9x-1-99-7-3-4x?show=269495#a269495
The answer is 8Algebra 1 Answershttps://www.mathhomeworkanswers.org/57317/how-do-you-solve-this-2-9x-1-99-7-3-4x?show=269495#a269495Wed, 15 Jan 2020 03:47:24 +0000Answered: This year, Perez’s Ski Shop had a profit of $80,000 This is 250 percent of last year’s profit What was the profit of Perez’s Ski Shop last year? _________ profit
https://www.mathhomeworkanswers.org/269488/perezs-profit-percent-profit-profit-perezs-_________-profit?show=269491#a269491
<p style="text-align: justify;">(Last year’s profit)/(This year’s profit)=100/250,</p>
<p style="text-align: justify;">Last year’s profit=(100/250)×80000=⅖×80000=$32,000.</p>Other Math Topicshttps://www.mathhomeworkanswers.org/269488/perezs-profit-percent-profit-profit-perezs-_________-profit?show=269491#a269491Tue, 14 Jan 2020 17:29:45 +0000Answered: What are coordinates of the vertices L and P in ABCD ~ NLPM
https://www.mathhomeworkanswers.org/73985/what-are-coordinates-of-the-vertices-l-and-p-in-abcd-nlpm?show=269490#a269490
<p style="text-align:justify">Assuming that MN is one side of the rectangle NLPM, and assuming that this rectangle is similar to rectangle ABCD, then, since ABCD is a square of side 4 units, NLPM has a side length of 8 units, and this means that answer B would appear to provide the correct coords for L and P, since MP=PL=LN=MN=8.</p>Geometry Answershttps://www.mathhomeworkanswers.org/73985/what-are-coordinates-of-the-vertices-l-and-p-in-abcd-nlpm?show=269490#a269490Tue, 14 Jan 2020 17:19:24 +0000Answered: how do you graph an equation when one point is at the center and the other point is in the graph?
https://www.mathhomeworkanswers.org/72903/graph-equation-when-point-center-and-the-other-point-the-graph?show=269485#a269485
<p style="text-align: justify;">I assume that by the centre you mean the origin (0,0) and this point is also on the graph. So we have two points (-7,-7) and (0,0). A straight line can be drawn to pass through these points and it has a slope (0-(-7))/(0-(-7))=7/7=1.</p>
<p style="text-align: justify;">This gives us the equation y=1x+a where a is a constant. But the line passes through (0,0) so when x=0, y=0, which means that a=0 and we can remove the 1 so the equation is y=x.</p>Statistics Answershttps://www.mathhomeworkanswers.org/72903/graph-equation-when-point-center-and-the-other-point-the-graph?show=269485#a269485Tue, 14 Jan 2020 13:13:14 +0000Answered: Tickets to a rock concert cost $32.50 each the school CHOOR but 54 tickets for the Saturday concert and 33 tickets for the Sunday concert how much did the CHOIR in all for the tickets
https://www.mathhomeworkanswers.org/269473/tickets-tickets-saturday-concert-tickets-concert-tickets?show=269481#a269481
<p style="text-align:justify">If I understand the question correctly, 54+33=87 tickets were sold. The total cost of the tickets would be 87×32.50=$2,827.50. On Saturday the tickets cost 54×32.50=$1,755.00. On Sunday the tickets cost 33×32.50=$1,072.50.</p>Other Math Topicshttps://www.mathhomeworkanswers.org/269473/tickets-tickets-saturday-concert-tickets-concert-tickets?show=269481#a269481Tue, 14 Jan 2020 09:17:19 +0000Answered: Whats the solution to Y=5-2x 3x-2y=11 using the substitution method?
https://www.mathhomeworkanswers.org/269470/whats-the-solution-to-2x-3x-2y-using-the-substitution-method?show=269472#a269472
<p style="text-align: justify;">Substitute for y in the second equation:</p>
<p style="text-align: justify;">3x-2(5-2x)=11, 3x-10+4x=11, 7x=21, x=3, so y=5-2x=5-6=-1.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269470/whats-the-solution-to-2x-3x-2y-using-the-substitution-method?show=269472#a269472Mon, 13 Jan 2020 21:59:29 +0000Answered: Nik bought 49 cars on Saturday and on Sunday he bought 52 more than on Saturday. How many cars did he buy in all?
https://www.mathhomeworkanswers.org/269468/bought-cars-saturday-sunday-bought-more-than-saturday-cars?show=269469#a269469
<p style="text-align: justify;">On Sunday he bought 49+52=101 cars. In all he bought 101+49=150 cars.</p>Word Problem Answershttps://www.mathhomeworkanswers.org/269468/bought-cars-saturday-sunday-bought-more-than-saturday-cars?show=269469#a269469Mon, 13 Jan 2020 17:20:04 +0000Answered: 7 trillion divided by 500000
https://www.mathhomeworkanswers.org/260241/7-trillion-divided-by-500000?show=269463#a269463
Student, 17, discovers a PLANET during third day of NASA internship. Wolf Cukier, 17, interned at the government agency's Goddard Space Flight Center in Greenbelt, Maryland this past summer and he found the planet during his very first assignment. Ferrari unveils the 211mph SF90 Stradale - its first plug-in hybrid supercar. The Italian firm says its new 211mph SF90 Stradale is the most powerful Ferrari ever developing a total of 1,000 horsepower that helps it accelerate from rest to 62mph in just 2.5 seconds. Fieldston, Elite Private School, Faces Backlash From Jewish Parents. The New York City school is once again embroiled in a debate over its handling of race, religion and ethnicity. Holly Willoughby teases with a glimpse of her luxury bathroom from the tub. The This Morning co-host took to Instagram from the bath to share a snap of her beloved cat Bluebell peering over the side of the tub in her luxury bathroom as she hints at a homeware collaboration. Books That Captivate Babies and Toddlers. Lift that flap, peek through that hole, press that button. Interactive books keep little ones entertained and help them develop cognitive abilities. Kim Jong-un's wife Ri Sol-ju makes first appearance after two months of home detention. The young wife of North Korea's leader has made her first public appearance in two months, bringing to an end what might have been a period of 'home detention' for being too carefree. Media embracing digital TV with strings attached. Media companies that are starting to allow their programs onto Internet-delivered TV and mobile devices are putting limits on digital rights as a safety hatch if problems arise with the new distribution systems, executives say. Clues to life on Mars have been found in the Chilean desert. A NASA rover has collected micro organisms from three feet into the ground in Chile's Atacama desert to give scientists a clear picture of what kind of bacteria they might expect to get from Mars. Could Megxit Be a Royal Fairy Tale for Canada? The possibility that Prince Harry and his wife, Meghan, might settle in Canada has unleashed a frenzy of excitement and offers of free coffee but also some dissent. This Ivorian artist is creating emojis to change the narrative about Africa. When Ivorian artist O'Plerou Denis Grebet was looking for free stock images of Africa for a project, he only came across negative images of disease and poverty. Is there a better dating app than tinder <a href="http://lovesingles.club/1947/how-many-games-are-in-a-baseball-playoff-series" rel="nofollow">http://lovesingles.club/1947/how-many-games-are-in-a-baseball-playoff-series</a> What is your filing status if your spouse dies People who drink tea regularly 'may live for an extra year'. Scientists at the Chinese Academy of Medical Sciences tracked the health of more than 100,000 people and found long-term regular tea drinking cut the risk of stroke by 25 per cent. Get More From Your Letters With Custom Stationery for Print or Pixels. Even in todays digital world, notes sent under a formal letterhead can help get the right message across. Heres how to make your own powerful design with just a few keystrokes. Mohamed Salah and Co arrive at their team hotel ahead of huge showdown with Chelsea. Liverpool have arrived at their team hotel ahead of their huge game against Chelsea on Sunday afternoon at Anfield while the Blues have touched down on Merseyside. Takumi Minamino admits he was 'surprised' that Liverpool boss Jurgen Klopp wanted to sign him. Japan midfielder Takumi Minamino has spoken about life at Liverpool since joining Jurgen Klopp's Premier League leaders from Austrian club Red Bull Salzburg on January 1. Even a Single Dose of HPV Vaccine May Provide Protection. Young women who got only one dose of HPV vaccine, versus the recommended three, showed benefits against cancer-causing human papillomavirus. Is Cold Brew Better Than Iced Coffee? If by better you mean wildly popular and unpredictably caffeinated, then yes. Vikings Overtime Touchdown Upsets Saints Plans Once Again. Minnesotas 75-yard touchdown drive ended New Orleanss season, adding a fresh wound to their postseason rivalry. Check Out the New W-4 Tax Withholding Form. Really. The first major redesign since 1987 is simpler and reflects tax code changes, the I.R.S. said. Workers should make sure it also reflects what they owe. Time to Cook. Its a new year, top of the quarter. Make dishes thatll make you feel better grilled cheeses with tomato soup, an easy chicken noodle soup, or braised tofu. The Tiger Who Came For Teais set to be this year's Christmas hit. Robbie Williams joins a stellar cast set to catapult The Tiger Who Came To Tea to the top of the Christmas schedule. 'Like the tart, I never change' The secret behind Macao's most famous dessert. You can smell it before you see it. The sweet smell of sugar, egg and custard, baking til it's cooked just right. Flaky pastry on the outside, soft custard on the inside, and crispy, burnt, sugar on top. Prince Harry and Meghan Markle will be offered a compromise 'Commonwealth role'. Courtiers are searching for a measure that will keep the family together and the dignity of the British monarchy intact. A well-placed source said 'I have never seen the monarchy in such a bad state.'.Algebra 1 Answershttps://www.mathhomeworkanswers.org/260241/7-trillion-divided-by-500000?show=269463#a269463Mon, 13 Jan 2020 08:03:39 +0000Answered: -6n+(-12)+4n
https://www.mathhomeworkanswers.org/269454/6n-12-4n?show=269457#a269457
-6n-12+4n=-2n-12=-2(n+6)https://www.mathhomeworkanswers.org/269454/6n-12-4n?show=269457#a269457Mon, 13 Jan 2020 02:45:04 +0000Answered: -5 -4 -1 4 11 20 31 Nth term
https://www.mathhomeworkanswers.org/265753/5-4-1-4-11-20-31-nth-term?show=269455#a269455
<p>What is the Nth term for <span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">−</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">5</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">−</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">4</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">−</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">1</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">4</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">11</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">20</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">,</span></span><span style="font-family:roboto,arial,sans-serif; font-size:23.65999984741211px"><span style="font-family:mjxc-tex-main-r,mjxc-tex-main-rw">31</span></span></p>Other Math Topicshttps://www.mathhomeworkanswers.org/265753/5-4-1-4-11-20-31-nth-term?show=269455#a269455Sun, 12 Jan 2020 23:47:59 +0000Answered: Does the system have one, no, or and infinite solution?
https://www.mathhomeworkanswers.org/24148/does-the-system-have-one-no-or-and-infinite-solution?show=269453#a269453
<p style="text-align:justify">The second equation is double the first, so in effect there is only one equation showing a linear relationship between x and y. A line has an infinite number of points, so there are many (infinite) solutions.</p>Pre-Algebra Answershttps://www.mathhomeworkanswers.org/24148/does-the-system-have-one-no-or-and-infinite-solution?show=269453#a269453Sun, 12 Jan 2020 17:36:01 +0000Answered: how many soultions does this system have
https://www.mathhomeworkanswers.org/25887/how-many-soultions-does-this-system-have?show=269452#a269452
<p style="text-align: justify;">No solutions because tripling the second equation gives 3x+6y=18, while the first equation has 3x+6y=12, which is contradictory.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/25887/how-many-soultions-does-this-system-have?show=269452#a269452Sun, 12 Jan 2020 17:32:30 +0000Answered: what is 20/12 as a mixed number or whole numer /
https://www.mathhomeworkanswers.org/81130/what-is-20-12-as-a-mixed-number-or-whole-numer?show=269450#a269450
buttPre-Algebra Answershttps://www.mathhomeworkanswers.org/81130/what-is-20-12-as-a-mixed-number-or-whole-numer?show=269450#a269450Sun, 12 Jan 2020 16:07:16 +0000Answered: What percent is modeled by the grid?
https://www.mathhomeworkanswers.org/208120/what-percent-is-modeled-by-the-grid?show=269447#a269447
40% is the answerPre-Algebra Answershttps://www.mathhomeworkanswers.org/208120/what-percent-is-modeled-by-the-grid?show=269447#a269447Sat, 11 Jan 2020 22:06:32 +0000Answered: What is next in this sequence 4,5,8,8,9,9,12,13,13,13,17,18,21,22,22,23,26,26,27...
https://www.mathhomeworkanswers.org/265242/what-is-next-in-this-sequence-12-13-13-13-17-18-21-22-22-23-26-26-27?show=269446#a269446
<p style="text-align: justify;">Using statistical methods for linear regression, my guess is that the next number is 30.</p>https://www.mathhomeworkanswers.org/265242/what-is-next-in-this-sequence-12-13-13-13-17-18-21-22-22-23-26-26-27?show=269446#a269446Sat, 11 Jan 2020 21:00:59 +0000Answered: ((2x^3-x^2+7)/(x^2-x-12))=23
https://www.mathhomeworkanswers.org/269436/2x-3-x-2-7-x-2-x-12-23?show=269443#a269443
<p style="text-align:justify">The denominator factorises: (x-4)(x+3) so the fraction is undefined for x=4 or -3. However, neither x-4 nor x+3 is a factor of the numerator, so solving for x is not going to produce anomalies.</p>
<p style="text-align:justify">First, reduce the equation to a polynomial by multiplying both sides by the denominator:</p>
<p style="text-align:justify">2x³-x²+7=23x²-23x-276 which becomes the polynomial:</p>
<p style="text-align:justify">2x³-24x²+23x+283=0.</p>
<p style="text-align:justify">Now we draw a rough graph of the polynomial and note that it intersects the x-axis at approximately -3, 6, 9.</p>
<p style="text-align:justify"><img alt="" src="https://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=13690931407513464728" style="height:263px; width:450px"></p>
<p style="text-align:justify">Using Newton’s Method we get the iterative formula:</p>
<p style="text-align:justify">x=x-(2x³-24x²+23x+283)/(6x²-48x+23), where the denominator here is the derivative of the numerator.</p>
<p style="text-align:justify">We start with each approximate solution and use the formula iteratively until we get a stable value. Using this method and a 9 decimal place calculator we get:</p>
<p style="text-align:justify">x=-2.733255918, 5.786296173 or 8.946959745.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269436/2x-3-x-2-7-x-2-x-12-23?show=269443#a269443Sat, 11 Jan 2020 20:05:21 +0000Answered: What data set is possible with the mean of 15, the mode of 12, the median of 18 and the range of27?
https://www.mathhomeworkanswers.org/17960/what-data-possible-with-the-mean-the-mode-the-median-range-of27?show=269440#a269440
<p style="text-align:justify">A possible dataset is: -2, 12, 12, 18, 19, 21, 25.</p>
<p style="text-align:justify">An odd size means that 18 is the central data value. The question implies that 7 is the minimum size.</p>
<p style="text-align:justify">The sum of the data must be 7×15=105.</p>
<p style="text-align:justify">If x is the lowest value then x+27 is the highest and the dataset looks like:</p>
<p style="text-align:justify">x, 12, 12, 18, ..., ..., x+27. If we represent the sum of the two missing data as S, then:</p>
<p style="text-align:justify">105=2x+S+69, so 2x+S=36. Also x+27>18, so x>-9, and x<12. There needs to be room to slot in two data values between 18 and x+27. If x=-8, for example, then x+27=19. There is insufficient room to insert two integers between 18 and 19. S=36-2x, so if x<0, there are more possible choices for the missing data. When x=-2, S=40 and this allows 19 and 21 to be candidates. If x=-3, x+27=24, S=42, so 20 and 22 could also be candidates:</p>
<p style="text-align:justify">-3, 12, 12, 18, 20, 22, 24. Also, -3, 12, 12, 18, 19, 23, 24.</p>Word Problem Answershttps://www.mathhomeworkanswers.org/17960/what-data-possible-with-the-mean-the-mode-the-median-range-of27?show=269440#a269440Sat, 11 Jan 2020 14:25:32 +0000Answered: Okay there is 365 days in year,there is 52 weeks in a year,there is 7 days in a week,I work 3 out 7 days a week in a year.I make $9.00 an hour,i work 8 hours a day;how much did i make in a year?
https://www.mathhomeworkanswers.org/269429/okay-there-there-weeks-there-days-make-hour-work-hours-much-make?show=269433#a269433
<p style="text-align:justify">$9 an hour for 8 hours = $72 in a working day and 3×72=$216 in a working 3-day week. 52 3-day weeks earns 52×216=$11,232. However, 365 days=52 weeks+1 day, so you could earn 11232+72=$11,304 in some years. Some years are leap years and, depending on which 3 days in the week you work you could earn less than $11,232 or more than $11,304. </p>Word Problem Answershttps://www.mathhomeworkanswers.org/269429/okay-there-there-weeks-there-days-make-hour-work-hours-much-make?show=269433#a269433Sat, 11 Jan 2020 07:38:27 +0000Answered: how many years does it take to earn 10 million dollars if you are paid 30 dollars an hour and work 35 hours a week for 50 weeks a year
https://www.mathhomeworkanswers.org/203312/many-years-million-dollars-paid-dollars-work-hours-weeks-year?show=269428#a269428
190 yearsWord Problem Answershttps://www.mathhomeworkanswers.org/203312/many-years-million-dollars-paid-dollars-work-hours-weeks-year?show=269428#a269428Sat, 11 Jan 2020 04:54:47 +0000Answered: How many solutions does this linear system have?
https://www.mathhomeworkanswers.org/269424/how-many-solutions-does-this-linear-system-have?show=269426#a269426
<p style="text-align: justify;">Since y=-½x+4 implies (by doubling) 2y=-x+8, so x+2y=8.</p>
<p style="text-align: justify;">But x+2y=-8, and this is a contradiction, so there can be no solution to the linear equations.</p>Algebra 1 Answershttps://www.mathhomeworkanswers.org/269424/how-many-solutions-does-this-linear-system-have?show=269426#a269426Fri, 10 Jan 2020 20:12:09 +0000the sides of a trianglesare in the ratio 2:3:4. the perimeter of the triangle is 81 feet. what is the length of each side
https://www.mathhomeworkanswers.org/269413/sides-trianglesare-ratio-perimeter-triangle-length-each-side
the sides of a trianglesare in the ratio 2:3:4. the perimeter of the triangle is 81 feet. what is the length of each side?https://www.mathhomeworkanswers.org/269413/sides-trianglesare-ratio-perimeter-triangle-length-each-sideFri, 10 Jan 2020 00:47:33 +0000