document.write( "Question 422080: A cylindrical oil tank had a diameter of 4th and a length of 40ft. Find the volume of the tank, round to the nearest hundredth. \n" ); document.write( "
Algebra.Com's Answer #294635 by jim_thompson5910(35256)\"\" \"About 
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Since the diameter is 4 ft, the radius is 4/2=2 ft. So r=2\r
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\n" ); document.write( "\n" ); document.write( "\"V=pi%2Ar%5E2%2Ah\" Start with the volume of a cylinder formula.\r
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\n" ); document.write( "\n" ); document.write( "\"V=pi%2A%282%29%5E2%2840%29\" Plug in \"r=2\" and \"h=40\".\r
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\n" ); document.write( "\n" ); document.write( "\"V=%283.14159265%29%282%29%5E2%2840%29\" Replace \"pi\" with \"3.14159265\" (note: Use more digits of \"pi\" to get better accuracy).\r
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\n" ); document.write( "\n" ); document.write( "\"V=%283.14159265%29%284%29%2840%29%29\" Square \"2\" to get \"4\".\r
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\n" ); document.write( "\n" ); document.write( "\"V=502.654824\" Multiply \"3.14159265\", \"4\" and \"40\" to get \"502.654824\" (this value is approximate).\r
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\n" ); document.write( "\n" ); document.write( "So the volume is approximately 502.654824 cubic ft.\r
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