7,200 Answered Questions for the topic Math Help

Math Help Math Algebra 2

12/12/17

word problem
Nuclear energy derived from radioactive isotopes can be used to supply power to space vehicles. The output of the power supply for a power plant is given by the function defined by y =... more
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Math Help

12/12/17

Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.
i need help awnsering this question its really hard for me to understand what it means can u guys help me out plz  
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12/12/17

Statistics Problem
1) A survey from the Department of Motor Vehicles was given to local residents in the city of Slothville. The results showed that 60% held a valid driver's license. Of the individuals who held a... more
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12/12/17

If S is the set of whole numbers from 1 to 50, A is the multiples of 2, B is the multiples of 10. Are A^c, AUB, and A∩B proper subsets? Justify the answer.
Yes or No question and why.
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Math Help

12/12/17

Find the number of subsets when a die is rolled.
This is a statistics problem.
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Math Help Math

12/11/17

Math question
use the elimination or substitution method to find the y-coordinats of the ordered pair of the solution of the system    x/2-y/3=-3 x/3+2y/3=2/3
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Math Help Math

12/11/17

Math question
Solve the system 3x-8y=11                            x+4y=2 by the elimination. then give the y coordinate of the order pair of the solution
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Math Help Math

12/11/17

Math question
use the elimination method to find the y-coordinate for the solution of the system    5x-4y=4 x+4y=2
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12/11/17

FInd the x and y int
-9/7x -5y=2 
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Math Help Math

12/11/17

Determine missing coordinate
Determine the missing coordinate (0,?) 3x-4y=16
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Math Help

12/11/17

a bar weighs 15 ounces and 20% of that is gold, how many ounces of gold are in the bar
how many ounces are in a bar of gold that weighs 15 ounces and 20% is gold  
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Math Help

12/10/17

A chemical company makes two brands of antifreeze. The first brand is 55% pure antifreeze, and the second brand is 80% pure antifreeze. In order to obtain 9
i just need some help with some algebra 2 
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12/10/17

How to solve |z| >= Rez +Iyz
I get √x^2+y^2 >= x+y but what after that?
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Math Help

12/10/17

I need some help with this system, please!
  2f(x-1) + g(x+1) = 7x - 4 3f(x-1) - 4g(x+1)= -6x-39
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Math Help

12/08/17

Following PEMDAS, how do you solve 7/7/8
7 divided by 7 divided by 8
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Math Help

12/08/17

A square with an area of 49 in2 is rotated to form a cylinder. What is the volume of the cylinder? Round to the nearest tenth
need help solving and need the answer
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Math Help

12/08/17

A square with area of 49 in2 is rotated to form a cylinder. What is the length of one of the sides of the square?
just need the answer and please solve for me 
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12/08/17

how many quarts of pure anitfreeze must be added to 7 quarts of a 10% anitfreeze solutiob to obtain a 20% anitfreeze solution?
I'm not very good with work problems so if so one could please answer this question thank you 
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Math Help Math

12/08/17

A 25 degree arc of a circle has an area of 50m2. What is the circumference of the circle?
I have searched everywhere for an answer to this and cannot find help.
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Math Help Math

12/08/17

What’s the domain of this relation (17, 15) (10,17) (3,9) (4,10)
I need help on finding the domaine of this relation (17, 15) (10,17) (3,9) (4,10)
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Math Help Need A Answer

12/08/17

Cost of Food at the Store Carlos wants to add two more bags of apples to his order. What is the new total?
i need help because i had got the first park right but i cant get what they are trying to ASK ME AT ALLL
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12/08/17

Calculus Question
Consider the definite integral ∫13  (-4x-5)dx  Find a closed form expression for the nth right Riemann sum of this integral.                                                        4               ... more
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Math Help Math Equations

12/07/17

Epress the quadtratic in standard form
f(x)=1+6X-X^2   Please include x and y intercepts and very text and min value
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Math Help

12/07/17

Express the quadratic equation in standard form
Give x and y intercepts and vertex please and max value   f(x)=-x^2+4x-1
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Math Help

12/07/17

You have a cone with a radius of 6 ft and a height of 12 ft. Find the area of the triangle formed by a perpendicular cross-section through the cone’s center.
help please
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