Question

Guysss please awnser this question i need help

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1. The formula for the volume of a sphere is v=4/3\pi r to the 3rd power. If the volume of a given sphere is 4500pi, determine the radius of the sphere.

Answer 1

r=15

Explanation:

You have to get r by itself.

4500pi=4/3*pi*r^3

first divide pi out of the equation.

4500/pi= (4/3*pi*r^3)/(pi)

4500=4/3*r^3

now divide 4/3 out.

4500/(4/3)=(4/3*r^3)/(4/3)

3375=r^3

now you need to find the inverse of r^3

3375^1/3=r^1/3

15=r