Mark J.

A playdoh ball and a Frisbee both have a mass of 0.124 kg. The playdoh ball is moving2.00 m/s when it collides with the stationary target Frisbee. Explain what happens next.(This needs to include a... more

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Precalculus

04/23/19

If y'''+y''+y'+y=x, what is the function y?

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Geometry Middle School Math

04/23/19

A sphere and a cone have the same volume,and each has a radius of 6 centimeters. What is the height of the cone?

I can't figure out the formula for it and can't figure the answer by my rubric.

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Algebra 2 College Algebra

04/23/19

doubling time for population....

Find the doubling time for a city whose population is growing by 17% per year.The doubling time is ....

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Calculus

04/23/19

Cylinder dimension, Calculus.

A cylinder shaped can needs to be constructed to hold 350 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and... more

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Geometry

04/23/19

The diameter of a circle is 170 the circle has two chords of length 26 inches what is the distance from each chord to the center of the circle?

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Math Algebra 1 Finance

04/23/19

MATH HELP PLEASE

Find the present value that will grow to 21,000 if interest is 2% compounded quarterly for 12 quarters.

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Differential Equations

04/23/19

If (3x + 5y) : (7x - 4y) = 7 : 4 then how do you find the ratio x : y?

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Trigonometry

04/23/19

A fire safety regulation states that the maximum angle of elevation for a rescue ladder is 70° If the ladders longest side is 40m long what is the maximum angle allowed that the can reach?

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Physics

04/22/19

Edwin hubble calculated the expansion rate of the universe. On what evidence did he base his calculation?

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Algebra 1 Algebra

04/22/19

I need help with turning a worded problem into an equation

Andrew has x coins in his pocket. He tells Lori that she has five fewer coins than he has. If they have 17 coins between them, how many coins do they each have?

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Calculus Trigonometry Derivative

04/22/19

How do you show that the derivative of cosx = -sinx?

Show that the derivative of cosx = -sinx given that sinx = (e^(ix) - e^(-ix))/(2i) and cosx = (e^(ix) + e^(-ix))/2 .

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Calculus Ab Calculus Ap Calculus

04/22/19

Find the volume of the solid formed by revolving the region bounded by y = x and y = √x about the line y = -2.

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Precalculus

04/21/19

Suppose you have a satellite dish 10 feet across and 2 feet deep. How far up from the center of the satellite dish should you put the receiver?

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Calculus Algebra

04/20/19

Find the linear approximation to the function f(x)=e^(3x) ∙ sin3x at the base point a = 0.

Find the linear approximation to the function f(x)=e3x ∙ sin3x at the base point a = 0.

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Calculus

04/20/19

Calculus Question

The world population1 P, in billions, is approximatelyP= 7.17e0.01064twhere t is in years since April 20, 2014. At what rate was the world's population increasing on that date? Give your answer in... more

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Math Geometry

04/20/19