document.write( "Question 851671: the volume of a sphere varies directly as the cube of its radius. if the three cubes of radius 3cm , 4cm and 5cm are melted and recast into one sphere then find the radius of the sphere \n" ); document.write( "
Algebra.Com's Answer #512950 by Alan3354(69443)\"\" \"About 
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if the three cubes of radius 3cm , 4cm and 5cm are melted and recast into one sphere then find the radius of the sphere
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\n" ); document.write( "\"Vol+=+%284%2Api%2F3%29%2A%283%5E3%2B4%5E3%2B5%5E3%29+=+%284pi%2F3%29%2A6%5E3\"
\n" ); document.write( "r = 6 cm
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