document.write( "Question 127129: the volume(v) of a sphere varies directly as the cube of its radius(r). if the volume of a sphere of 6 cm in radius is 904,8 cm3, find the volume of a sphere with a radius is 7 cm. \n" ); document.write( "
Algebra.Com's Answer #93142 by Fombitz(32388)\"\" \"About 
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\n" ); document.write( "\"k=V%2Fr%5E3\"
\n" ); document.write( "\"V%5B1%5D%2Fr%5B1%5D%5E3=V%5B2%5D%2Fr%5B2%5D%5E3\"
\n" ); document.write( "\"904.8%2F6%5E3=V%5B2%5D%2F7%5E3\"
\n" ); document.write( "\"7%5E3%28904.8%2F6%5E3%29=V%5B2%5D\"
\n" ); document.write( "\"V%5B2%5D=1442.5\"
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