SOLUTION: When blown up, a beach ball has a radius of 12inches. How much air in cubic feet is needed to blow up the ball. The volume of a sphere is V= 4/3 pie (3.14) r3 where pie and r is t

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Question 10941: When blown up, a beach ball has a radius of 12inches. How much air in cubic feet is needed to blow up the ball. The volume of a sphere is V= 4/3 pie (3.14) r3 where pie and r is the radius.)
PLEASE HELP !!!!

Answer by askmemath(368)   (Show Source): You can put this solution on YOUR website!
You already know how to find the volume
You also know that 12inches = 1foot
So radius now becomes 1 foot
Simply substitute this in place of r in the volume formula and you will get your answer!!
4/3 = 1.333

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