7,190 Answered Questions for the topic Math Help

04/20/17

I don't know how to summarize the question so please, just check the description for the question...
Ethan and Sarah work at different stores. Ethan earns $125 every week and also earns 8% commission from sales. Sarah earns $200 every week and also gets 6% commission from sales. How much does the... more
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04/20/17

😧 confused
Paige rides her bike around town. She can ride one half of a mile in 1 30 ith of an hour. If she continues to ride at the same pace, how many miles could she travel in 1 hour?
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Math Help

04/20/17

is -68.86 repeating rational or irrational
i am a 16 year old i havent learnt about this yet so plz help me 
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Math Help

04/19/17

solve by multiply then add
3x - y = 8
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Math Help

04/19/17

what is the ratio of 5/6 to 2/3
what is the ratio of the time it took Melinda to do her math homework on Wednesday (2/3) to the time it took her to do it on Tuesday (5/6)
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Math Help

04/19/17

Write with positive exponents. Simplify if possible. Assume that all variables represent positive real numbers.
x^-1/2?   is it a real number
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Math Help

04/19/17

deena wrote the situation i bought some shirts at the store for 9 dollars each and received a $25 discount. My total bill was $88. How many shirts did i bye
please help me 
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Math Help

04/19/17

If x = 3 and 3x − y = 9, what ordered pair represents the solution?
I need help with my math, If you could help that would be great. The choices are  A. (0, 3) B. (-3, 0) C. (0, 0) D. (3, 0)
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04/19/17

give a test worth 90 points and contains 25 questions. Multiple-choice questions 3 points and word problems 4 points. how many of each question are there?
I need the answer explained to me
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04/18/17

$14 for 3 hours of skating or $29 for 8 hours, the price is constant depending upon the number of hours. what is the expression?
I need help on this question about what the expression would be please help ASAP
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Math Help Math

04/18/17

how much did joe pay for each pound of rice if he bought 14 pounds of rice for 6 dollars
how much did joe pay for each pound of rice if he bought 14 pounds of rice for 6 dollars.  
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Math Help

04/18/17

Regina buys 24 inches of trim for a craft project. What fraction of a yard does Regina buy?
 ghggggggggggggbbbbbbbbbbbbbb
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04/18/17

Find the score that is 2 and one half standard deviations above the mean
The scores on a test are normally distributed with a mean of 150 and a standard deviation of 20. Find the score that is 2 and one half standard deviations above the mean
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04/18/17

Find the standard deviation for the group of data items. 11​, 11​, 11​, 16​, 21​, 21​, 21
Find the standard deviation for the group of data items.11, 11, 11, 16, 21, 21, 21
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04/18/17

The table shows a relation between x and y.
x    &     y -4    &       16                                                           -2    &        4               0     &        0  2     &       4                ... more
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04/18/17

X^2-10x=-21
Solve the equation by graphing and include the x axis 
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04/18/17

The product of two positive numbers is 140. Determine the numbers of the larger is 5.6 time the smaller.
The product of 2 positive numbers is 140. Determine the numbers if the larger is 5.6 times the smaller 
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Math Help Math Math Problem

04/18/17

Don't understand😢
Paige works at a pizzeria. She can make 1 over 2, of a pizza in 1 over 24, of an hour. If she continues to work at the same rate, how many pizzas can Gwen make in an hour?
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04/18/17

Permutations and Combinations (Pt 2)
Hi! Just as a follow up question that I don't understand (and if someone could explain how this works)1) There are 2 red and 4 green identical marbles arranged in a line. How many different... more
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04/17/17

Determine the solution to the system of equations below.
x-3y=1 3x-5y=11   Please explain how you got your answer. Thanks!
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Math Help

04/17/17

you can build a snow fort in 6 hours. if your sister helps you, it will only take 4 hours. how long would it take your sister by herself.
help solve
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Math Help

04/17/17

David measures a side of a piece of wood. The links is 8 feet and the width is one half of the length. What is the area, in square feet, of the piece of wood.
the work is so hard help me plz
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04/17/17

Math Word Problem(Sq. In, Carpet Tiles)
A major convention center, whose floors are covered by square carpet tiles with side lengths of 9 inches laid out in a 48 by 96 array, held a wild conference over the weekend. A local cleaning... more
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Math Help

04/17/17

Shelly can cut a lawn with a riding mower in 5 hours less time than it takes William to cut the lawn with a push mower. If they can cut the lawn in 2 hours wo
pleaase help  
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Math Help

04/17/17

The perimeter of the quadrilateral is 54 inches. Find the lengths of the sides.
sides are x+2,x-5, 2x+1 and x^2-3x
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