document.write( "Question 878964: given that the area of a cube is twice it's volume.find the value of the edge length in meters. \n" ); document.write( "
Algebra.Com's Answer #530413 by jim_thompson5910(35256)\"\" \"About 
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Surface Area: SA = 6s^2\r
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\n" ); document.write( "\n" ); document.write( "Volume: V = s^3\r
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\n" ); document.write( "\n" ); document.write( "\"given that the area of a cube is twice it's volume\" ---> \"SA+=+2%2AV\" ---> \"6s%5E2+=+2%2As%5E3\"\r
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\n" ); document.write( "\n" ); document.write( "\"6s%5E2+=+2%2As%5E3\"\r
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\n" ); document.write( "\n" ); document.write( "\"0+=+2%2As%5E3+-+6s%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"2%2As%5E3+-+6s%5E2+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"2s%5E2%28s+-+3%29+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"2s%5E2+=+0\" or \"s+-+3+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"s+=+0\" or \"s+=+3\"\r
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\n" ); document.write( "\n" ); document.write( "Ignore \"s+=+0\" as it's a trivial solution. \r
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\n" ); document.write( "\n" ); document.write( "The only practical solution is \"s+=+3\"\r
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\n" ); document.write( "\n" ); document.write( "So the cube has a side length of 3 meters.
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