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Rod
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User Rod
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simplify the following 12dn³/15cd³÷ 9c³n/10c²d² yo
answered
Mar 2, 2020
in
Other Math Topics
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735
views
Factorise 49y^3-28y^2+35xy
answered
Mar 2, 2020
in
Algebra 1 Answers
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711
views
There are 30 freshmen, 37 sophomores, 25 juniors, and 48 seniors. What is the ratio of freshman to seniors?
answered
Mar 2, 2020
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971
views
(cosx-tanx)/(sinx+cosx)=cosx-secx
answered
Mar 2, 2020
in
Trigonometry Answers
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1.4k
views
verifying trigonometry identities
Choose the expressions that are equivalent to x^3+4x+3
answered
Mar 1, 2020
in
Algebra 1 Answers
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1.9k
views
(cscx + secx)/(sinx + cosx) = cotx + tanx, please help prove!
answered
Mar 1, 2020
in
Trigonometry Answers
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1.9k
views
proving trigonometric identities
cosecx(sinx +tanx)= 1 +secx
answered
Mar 1, 2020
in
Trigonometry Answers
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542
views
proving trigonometric identities
(1+sinx/1+cosx)(1+secx/1+cosecx)=tanx
answered
Mar 1, 2020
in
Trigonometry Answers
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1.7k
views
x^1/3 - 3x^1/6 + 2 = 0
answered
Mar 1, 2020
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132
views
y= \sqrt{67+4x-2x^2}
answered
Mar 1, 2020
in
Calculus Answers
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250
views
y= \sqrt{67+4x-2x^2}
5^4x=415
answered
Mar 1, 2020
in
Algebra 1 Answers
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254
views
Homogeneous Differential Equation: how to do this equation ???
answered
Mar 1, 2020
in
Calculus Answers
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3.0k
views
Homogeneous Differential Equation: how to do this ???
answered
Mar 1, 2020
in
Calculus Answers
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217
views
Susan invested part of her $31,000 bonus in a fund that paid an 11% profit and invested the rest in stock that suffered a 4% loss.find the amount of each investment if her overall net profit was 1,760
answered
Mar 1, 2020
in
Algebra 1 Answers
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1.6k
views
How many lights of all colors are on the sign?
answered
Mar 1, 2020
in
Word Problem Answers
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373
views
How old is Helen?
answered
Mar 1, 2020
in
Word Problem Answers
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1.2k
views
(X-2)(x-5)=0
answered
Feb 29, 2020
in
Other Math Topics
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179
views
What conditions must b,d satisfy so that r,s can both be integers?
answered
Feb 29, 2020
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523
views
(57x^3n-1×y1/2)÷(12x^2n+2×y^3/2) what's the answer?
answered
Feb 29, 2020
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226
views
algebric problems
solving equations
70% of stamps are Canadian, rest are international, 500 more Canadian stamps, how many’ stamps all together?
answered
Feb 29, 2020
in
Word Problem Answers
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1.2k
views
A cup of beans cost 160dollar. How much would a similar tin, three times the height and diameter, full of beans cost?
answered
Feb 29, 2020
in
Word Problem Answers
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1.1k
views
What conditions must a,b,d satisfy so that r and s can both be integers?
answered
Feb 29, 2020
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220
views
obtain fy f(x,y)=y^3sin(y^2x)ln(4y+x)
answered
Feb 28, 2020
in
Calculus Answers
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508
views
calculus
Anti derivative of (3/2x)
answered
Feb 28, 2020
in
Calculus Answers
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663
views
calculus
anti derivative
the area of windscreen of a bus is 1.21m . in a photograph of the bus . the windscreen appear as a rectangle 12cm by 3cm. find the length and breadth of the real windscreen
answered
Feb 28, 2020
in
Other Math Topics
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1.8k
views
Geometricaly, show that any function with derivative 2x on (-infinity, infinity) must have the formula x²+c for some value of c
answered
Feb 28, 2020
in
Calculus Answers
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276
views
calculus
Each candy bar will be sold for $2, what is the minimum number of candy bars that must be sold to meet the goal of raising at least $1000
answered
Feb 28, 2020
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491
views
how many times is 10 to the -11 power as large as 10 to the -13 power
answered
Feb 28, 2020
in
Algebra 2 Answers
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230
views
What is -7v-10>-5v-(v+3)
answered
Feb 27, 2020
in
Pre-Algebra Answers
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432
views
prealgebra
solving two-step and multi-step equations
solve for v
What is it called when the value is not included in the definition of a domain function
answered
Feb 27, 2020
in
Algebra 2 Answers
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193
views
How do I simplify f(x)=X^2-5x+4/x-4
answered
Feb 27, 2020
in
Algebra 2 Answers
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224
views
sophia makes $2000 in a month at work before taxes are taken out 200 was taken out for taxes.how much does sophia make in a week
answered
Feb 27, 2020
in
Word Problem Answers
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250
views
two step equations
What would be a word problem for the equation of 2x-17=13
answered
Feb 26, 2020
in
Geometry Answers
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761
views
word problems
F(X)=X+2/x-2,,g(X)=Mx+c,g^-1(2)=f(3),gf^-1(2)=5
answered
Feb 25, 2020
in
Other Math Topics
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196
views
A car travels a distance of 180km in 2hours on a straight road how many kilometer's can it travel in 3hours at the same time
answered
Feb 25, 2020
in
Other Math Topics
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2.4k
views
.
story problems
Round off 453,4778 to the nearest hundredth
answered
Feb 25, 2020
in
Other Math Topics
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1.9k
views
(27^x)+(12^x)=2*(8^x) find the x
answered
Feb 25, 2020
in
Algebra 1 Answers
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212
views
Factorise: a³+3a²-13a-38
answered
Feb 25, 2020
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371
views
factor finding
How does orthocenter divides the altitude of a triangle? Please give me solution with derivation.
answered
Feb 25, 2020
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347
views
tan a=0,75 and cos b=0,6, a and b acute angles. calculate without calculator the value of cos(a-b)
answered
Feb 25, 2020
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463
views
the radius of each wheel of a car is 18 inches. if the wheels are turning at the rate of 3 revolutions per second. how fast is the car moving?
answered
Feb 25, 2020
in
Trigonometry Answers
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1.8k
views
In 24871/17, which digits of the numerator must be changed to increase the quotient by exactly 100?
answered
Feb 25, 2020
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292
views
what is the answer?
Simplify 41 over 18?
answered
Feb 24, 2020
in
Other Math Topics
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295
views
fractions
Find the curve which satisfy the equation xy=(1+x²)dy/dx and passes through point (0, 1)
answered
Feb 24, 2020
in
Calculus Answers
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1.5k
views
(
)
is f(x) = 2(x + 5)3 + 1 is one to one. Is it also onto?
answered
Feb 23, 2020
in
Statistics Answers
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537
views
algebra problems
f: R→R, f(x)= (2x-5)/(2x+3) is it onto function?
answered
Feb 23, 2020
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624
views
Take a number multiply by a number by 2 Add 6 it the result is equal to the first number plus 4 times 3. What is the original number?
answered
Feb 23, 2020
in
Word Problem Answers
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320
views
speed of 10mi/hr to2.5 mi/hr in one minute. Calculates the constant rate of accelaration and determine how long the cyclist will take to come to rest.
answered
Feb 23, 2020
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445
views
Simplify ((3x)^2 - 5) ((3x)^2 + 5) + 15
answered
Feb 22, 2020
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172
views
Please use high-school math to solve this. I have tried but did not find the solutions.
answered
Feb 22, 2020
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608
views
polynomials
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