SOLUTION: Write an expression representing the volume of the composite figure formed by a hemisphere with radius r and a cube with the side length 2r

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Question 1044312: Write an expression representing the volume of the composite figure formed by a hemisphere with radius r and a cube with the side length 2r
Answer by ikleyn(52884) About Me  (Show Source):
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Write an expression representing the volume of the composite figure formed by a hemisphere with radius r and a cube with the side length 2r
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V = %282r%29%5E3+%2B+%282%2F3%29%2Api%2Ar%5E3 = 8r%5E3+%2B+%282%2F3%29%2Api%2Ar%5E3 = %288+%2B+%282%2F3%29%2Api%29%2Ar%5E3.