7,189 Answered Questions for the topic Math Help

Math Help

07/06/17

Write an equivalent expression without parentheses and with as few terms as possible for each expression below:
7(r−8)+s(2r−4)
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Math Help

07/06/17

what fractions are between 1/4 and 1/3?
10 fractions between 1/4 and 1/3
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Math Help

07/06/17

I don’t understand square of a number, help!
what is the square root of 32 minus the square root of 8?
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07/06/17

How do I calculate which activity I do is more efficient with success rate and time factored in?
I have a success rate of 50% on an activity, and I do it in 60 minutes. I have a success rate of 25% on an activity, and I do it in 30 minutes. Clearly with everything being equal both activities... more
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Math Help

07/06/17

determine whether the number has a terminating decimal expansion, If it does give expansion 4/60
 Is 4/60 a terminating decimal expansion if so give expansion.
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Math Help

07/04/17

Word problem
If you and a friend are running a circular track and it takes you 12 minutes to complete a lap and it takes him 8 minutes to complete a lap, at what time will he pass you? If we run for 90 minutes... more
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Math Help

07/04/17

john is participating in a marathon that is 26.2 miles and he finishes in 4.5 hours. His distance, d depends on his time, t. Which is an appropriate domain for
A.)0<t<26.2 B.)0<t<4.5 C.)0<d<4.5 D.)0<d<26.2
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Math Help

07/03/17

How to write this equation?
You are baking cookies for your class. There are 23 total students in your class and you have baked 12 cookies. Write and solve an equation to find the additional number x of cookies you need to... more
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07/02/17

write in factored form: P(x)=3x^5−2x^4+64x^3−40x^2−275x+250 and that 5i is a zero
Given P(x)=3x^5−2x^4+64x^3−40x^2−275x+250 and that 5i is a zero, write P in factored form as a product of linear factors.
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Math Help

07/02/17

Graphing for Geometry
QUESTION 10Start with the point B (-1, -4). Reflect the point through the y-axis. What are the new coordinates of the point B’? Now reflect the point through the x-axis. What are the new... more
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06/30/17

Given an exponential function for compounding interest, A(x) = P(.91)x, what is the rate of change?
There are four possible answers to this problem that were given to me: A -0.09% B -9% C .91% D 91%   Thank you so much in advance. If you could please explain how you got your answer that... more
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06/29/17

I need help with a word problem in math
Sylvia teaches music to 63 students who are under 10 years of age. The students under 10 years of age make up 35% of all her music students. How many students does Sylvia teach music?
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Math Help

06/28/17

find the center and raidus of the circle x2 + 4x + y2 - 2y = 21
........................................................... 
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Math Help

06/27/17

If the cross-sectional area in a circular mils of a wire is 4.107, what is the diameter in mils? Carry the answer to two decimal places.
If the cross-sectional area in a circular mils of a wire is 4.107, what is the diameter in mils? Carry the answer to two decimal places.
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Math Help

06/27/17

A motor rated at 90 horsepower is actually developing 105 horsepower. What is the percent of horsepower overload?
A motor rated at 90 horsepower is actually developing 105 horsepower. What is the percent of horsepower overload?
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Math Help

06/27/17

one number is 5 more then twice another, sum is -22
one number is 5 more then twice another sum is -22
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Math Help

06/27/17

Real world example
Let’s say you own a company that makes bolts that are used on the International Space Station! These bolts have very specific requirements but two of the most important requirements are strength... more
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Math Help

06/27/17

which of the following values cannot be a solution to x-3<15 (x minus 3 is smaller than or equal 15)
A.-13 B.-12 C.18 D.19
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Math Help

06/25/17

simplify 3y + 4(y - 3) + 8
I need to simplify. My answer is y = 4/7. Just need to know is this correct?
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Math Help

06/24/17

Let f(x)√3x and g(x) x+3 what the smallest number that is in the domain of fog
i don't know what to do, I've tried so many things to figure it out and my parents don't even know what to do    
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Math Help

06/24/17

round $4.63 to nearest cent
Rounding $4.63 to nearest cent.
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Math Help

06/24/17

round 4.63 to nearest cent
round 4.63 to nearest cent
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06/24/17

A bag consists of 8 red marbles, 6 blue marbles, 5 green marbles, and 5 yellow marbles. Find the probability of choosing a green or yellow marble.
Probability assignment please help and give details on how you got the answer, thank you
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06/24/17

Toss a coin 3 times. Find the number of possible outcomes.
Probablity Assignment
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06/24/17

Algebra II HW Questions (Please show step by step and explain)
4. Graph the area bounded by  y< 1/2x+6, X+3y>=12,  X>=0 and x<=12   part i. graph the bounded by X>=0 and x<=12. shade the region that satisfies both inequalites    part ii.... more
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