document.write( "Question 549743: how many cubic ft of sand can be pumped into a tube 100 ft in length and a circumfrence of 30 ft \n" ); document.write( "
Algebra.Com's Answer #358009 by Alan3354(69443)\"\" \"About 
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how many cubic ft of sand can be pumped into a tube 100 ft in length and a circumfrence of 30 ft
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\n" ); document.write( "Find the radius
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\n" ); document.write( "C = 2*pi*r = 30
\n" ); document.write( "r = 30/2pi = 15/pi ft
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\n" ); document.write( "For the cylinder:
\n" ); document.write( "\"Vol+=+pi%2Ar%5E2%2Ah+=+pi%2A%2815%2Fpi%29%5E2%2A100\"
\n" ); document.write( "\"Vol+=+225%2A100%2Api\"
\n" ); document.write( "Vol =~ 70686 cu ft
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