Saturday
August 30, 2014

Homework Help: Algebra

Posted by StephanieNZ on Sunday, March 21, 2010 at 12:58am.

The volume of a sphere is given by:

V=4/3 pie r cubed.

Use the formula, and show your workings, to find out what happens to the volume of a sphere if r is halved and r is trippled?

Please help as this has just completly lost me, i end up with

V = 4/3 Pie r cubed / eight .....for half of r.

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