document.write( "Question 322788: The area os a rectangular feild is 2275m^2. The field is enclosed by 200 m of fence. What are the dimensions of the field? \n" ); document.write( "
Algebra.Com's Answer #231069 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2X+2Y=200 SUBTRACT 2Y \n" ); document.write( "2X=200-2Y DIVIDE BY 2 \n" ); document.write( "X=100-Y \n" ); document.write( "XY=2,275 REPLACE X BY (100-Y) \n" ); document.write( "(100-Y)Y=2,275 \n" ); document.write( "100Y-Y^2-2,275=0 \n" ); document.write( "Y^2-100Y+2,275=0 \n" ); document.write( "(y-65)(Y-35)=0 \n" ); document.write( "Y-65=0 \n" ); document.write( "Y=65 ANS. \n" ); document.write( "Y-35=0 \n" ); document.write( "Y=35 ANS. \n" ); document.write( " |