document.write( "Question 58170: The perimeter of a rectangular concrete slab is 52 feet and its area is 165 square feet.What is the length of the longer side of the slab? \n" ); document.write( "
Algebra.Com's Answer #39764 by checkley71(8403)\"\" \"About 
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XY=165
\n" ); document.write( "2X+2Y=52
\n" ); document.write( "2X=52-2Y
\n" ); document.write( "X=26-Y
\n" ); document.write( "(26-Y)Y=165
\n" ); document.write( "26Y-Y^2=165
\n" ); document.write( "Y^2-26Y+165=0
\n" ); document.write( "(Y-15)(Y-11)=0
\n" ); document.write( "Y-15=0
\n" ); document.write( "Y=15
\n" ); document.write( "Y-11=0
\n" ); document.write( "Y=11
\n" ); document.write( "THUS
\n" ); document.write( "X*11=165
\n" ); document.write( "X=165/11
\n" ); document.write( "X=15
\n" ); document.write( "SO THE DIMENTIONS ARE 11 BY 15
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