SOLUTION: The volume of a sphere is 288 pi cm tripled . Find the lenght of a radius of a SPHERE.What is the answer and how did you do it? help me please .

Question 272261: The volume of a sphere is 288 pi cm tripled . Find the lenght of a radius of a SPHERE.What is the answer and how did you do it? help me please .
Found 2 solutions by Alan3354, Earlsdon:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The volume of a sphere is 288 pi cm tripled . Find the lenght of a radius of a SPHERE.What is the answer and how did you do it?
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The volume of a sphere of radius r is:

It's r cubed, not tripled. meaning r*r*r
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r = 6 cm

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The volume of a sphere is given by:
Substitute
Divide both sides by
Multiply both sides by the multiplicative inverse of which is .
Take the cube root of both sides.
cm.
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