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September 2, 2014

September 2, 2014

Posted by **help me out it's urgent** on Wednesday, March 14, 2012 at 6:09am.

- math -
**Reiny**, Wednesday, March 14, 2012 at 8:09amvolume of sphere = (4/3)πr^3

water displaced by a sphere of radius r/2

= (4/3)π(r^3/8

= πr^3 /6

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