document.write( "Question 1043383: a 15 cubic feet concrete foundation is to be made from a material whose density is 275 lb/ft^3. how much of the material is needed to build the foundation? what is its the total surface area? \n" ); document.write( "

Algebra.Com's Answer #658533 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "v  volume\r\n" );
document.write( "d  density\r\n" );
document.write( "m  mass, as if weight is directly related to mass\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28d=m%2Fv%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28highlight%28m=dv%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "SURFACE AREA?
\n" ); document.write( "Let x be edge length of the cube.
\n" ); document.write( " $\"x%5E3=v\"$
\n" ); document.write( " $\"x=root%283%2Cv%29\"$
\n" ); document.write( "Six square sides make the surface.
\n" ); document.write( "You are looking for, as a symbolized formula, $\"highlight_green%28highlight%286x%5E2=6%28root%283%2Cv%29%29%5E2%29%29\"$ . \n" ); document.write( "

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