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)![]() ![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |