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Rod
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User Rod
Recent activity
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How do I interpret stem plots that are truncated or rounded like this one?
answered
Apr 5, 2020
in
Statistics Answers
|
795
views
stem and leaf plots
stem
How to prove log3, log21 and log147 are in an arithmetic progression
answered
Apr 4, 2020
|
455
views
arithmetic sequences
sequences and series
geometric progression
Show 3y+6 in Algebra Tiles
answered
Apr 4, 2020
in
Other Math Topics
|
185
views
If 3 dogs eat a bag of food in 15 days. How long will 5 dogs take to finish a bag of food?
answered
Apr 4, 2020
|
696
views
Find the dy/dx of the following
answered
Apr 3, 2020
|
601
views
calculus
differentiation
Kenneth took a friend for a birthday dinner. The total bill for dinner was $40.69 (including tax and a tip). If Kenneth paid a 20.8% tip, what was his bill before adding the tip?
answered
Apr 3, 2020
|
3.4k
views
Three whole numbers have their L.C.M as 180 and their H.C.F equal to 3. Two of the numbers are 45 and 60. Find the third number. Please show working. Thanks
answered
Apr 3, 2020
in
Word Problem Answers
|
3.6k
views
Please how do I learn maths as a layman to become a pro in all aspects in maths? What books will you recommend? Thanks
answered
Apr 3, 2020
|
261
views
Find the dy/dx of these
answered
Apr 3, 2020
|
620
views
calculus problems
calculus
differentiation
Factorise -5(y+x)-5=-15
answered
Apr 2, 2020
|
219
views
factorising
A wholesaler discounted their sugar by 3/7 the normal retail price. How much discount would people get if the normal retail price was R 147?
answered
Apr 2, 2020
in
Word Problem Answers
|
560
views
Two children receive money according to their age. One receives 67 the other receives 1433. What are their ages?
answered
Apr 2, 2020
in
Word Problem Answers
|
244
views
both children under 18.
Linear exponential problem
answered
Apr 1, 2020
in
Algebra 1 Answers
|
225
views
Anyone here is a parabola expert?
answered
Apr 1, 2020
in
Pre-Algebra Answers
|
330
views
math problem
The mean of 5 different test scores is 10, what are the largest and smallest possible values fpr the median, all test scores are whole numbers
answered
Apr 1, 2020
in
Word Problem Answers
|
1.1k
views
What are the Solution to the system of equations
answered
Apr 1, 2020
in
Algebra 1 Answers
|
319
views
solving systems of equations
-x+y=4
y+12=x2+x
What are the solutions to the system of equations y=x2-3,x-y=1
answered
Apr 1, 2020
in
Algebra 1 Answers
|
185
views
Solve the equation 3/x=−4/5
answered
Apr 1, 2020
in
Algebra 2 Answers
|
173
views
How to round 58.933200
answered
Mar 31, 2020
in
Word Problem Answers
|
366
views
Slope= -4/5, passing through (6,-2)
answered
Mar 31, 2020
in
Trigonometry Answers
|
227
views
Write an exponential function showing the relationship with y and t.
answered
Mar 31, 2020
in
Algebra 2 Answers
|
3.0k
views
If f(x)=√7-x, then which of the following sets is the domain of the function?
answered
Mar 31, 2020
|
1.9k
views
In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5. sin26∘≈0.44 cos26∘≈0.90 tan26∘≈0.49What is the measurement of EF?
answered
Mar 31, 2020
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1.6k
views
The difference between a certain number and 5 is multiplied by 4, and the product is 96. What is the number?
answered
Mar 31, 2020
|
530
views
word problems
x=−3|y|−3
answered
Mar 31, 2020
in
Algebra 2 Answers
|
273
views
4 1/2 - 1 1/3
answered
Mar 31, 2020
|
163
views
4p(c-d)-7(-d+c)
answered
Mar 31, 2020
|
309
views
-5|6a+21|=-15 how do you slove this
answered
Mar 31, 2020
|
499
views
4/x - 3 = 5/ [ 2x + 3]
answered
Mar 31, 2020
in
Algebra 1 Answers
|
153
views
Solve the equations correct to one decimal place
answered
Mar 31, 2020
|
1.2k
views
What is 65% of 18500?
answered
Mar 31, 2020
|
572
views
calculating percentages
-2x+4<6 the answer in the memo was 2x<2
answered
Mar 31, 2020
|
186
views
math problem
What will the area be after 12 years?
answered
Mar 31, 2020
in
Algebra 2 Answers
|
224
views
how much did each type of ticket cost?
answered
Mar 30, 2020
in
Word Problem Answers
|
465
views
d
Use the table of z-scores to find the percentage of data items in a normal distribution that lie in the given range.
answered
Mar 30, 2020
in
Statistics Answers
|
3.0k
views
A new $12000 automobile decreases in value by 25% each year. What is its value during the 8th year?
answered
Mar 30, 2020
|
933
views
x/root x+25 x in years find total change in population from year 0 to 39
answered
Mar 30, 2020
in
Calculus Answers
|
200
views
5x^2=60-20x is rewritten as 5(x-p)^2+q=0 what is the value of Q
answered
Mar 30, 2020
in
Algebra 2 Answers
|
1.1k
views
Find 2^(2+n/3)
answered
Mar 30, 2020
in
Other Math Topics
|
189
views
solving equations
If 1 US dollar = 0.7802 pounds, how many dollars can you buy with 300 pounds
answered
Mar 30, 2020
in
Word Problem Answers
|
1.1k
views
converting money
The sum of the first n term of a sequence is given by Sn =2(3to the power n) - 1 , determine 12th term
answered
Mar 30, 2020
in
Pre-Algebra Answers
|
544
views
2[(3 to the power n) - 1] the minus 1 is part of the whole equation not the exponent.
-50 ÷(-7+-3)×5-10×-5÷(5+-10)+-5
answered
Mar 30, 2020
|
164
views
order of operation
Find the 7th term
answered
Mar 30, 2020
in
Other Math Topics
|
259
views
sequences
Translate the sentence into an inequality. Four times the sum of a number 19 and is at least -23 .
answered
Mar 30, 2020
in
Other Math Topics
|
363
views
give me the answer to the question
normal distribution, with µ = 3.2 and σ = 0.75. (a) What is the maximum score that can be in the bottom 10% of scores? (b) Between what two values does the middle 76% of the scores lie?
answered
Mar 30, 2020
in
Statistics Answers
|
4.5k
views
How doo I simplify [(x^3)y+4 (x^2)-y]/[xy-x+4y-4]
answered
Mar 29, 2020
in
Algebra 2 Answers
|
732
views
simplifying expressions
Three numbers have a sum of 248. The 1st number is 5 less than double the 3rd. The 2nd number is 7 more than triple the 3rd. Find all three numbers.
answered
Mar 29, 2020
in
Algebra 1 Answers
|
349
views
word problems
algebra problems
please done in 5mins
Please solve for x, 64^x+1=16^2y+5
answered
Mar 29, 2020
in
Algebra 1 Answers
|
268
views
y^(2)-27=9/y(y-2)
answered
Mar 29, 2020
|
221
views
121÷11=11 12×5=60 9 ×8=72 49÷7=7 which one is odd one out and y
answered
Mar 29, 2020
in
Word Problem Answers
|
317
views
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