Question 473721
"A machinist drilled a cone-shaped hole into a solid cube of metal as shown. If the cube's sides have a length of 4 centimeters, what is the volume of the metal cube after the cone is drilled? Use 3.14 for pi and round your answer to the nearest tenth." 
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Cube Volume = 4^3 = 64 cm^3
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Cone Volume = (1/3)(3.14)(radius^2)*4
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You did not post the radius of the cone.
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Put that in the "Cone Volume" formula to get the volume of the cone.
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Then subtract the volume of the cone from the volume of the cube
to get the answer you want.
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cheers,
Stan H.