document.write( "Question 213466This question is from textbook
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document.write( ": An ecology center wants to set up an experimental garden using 300m of fencing to enclose a rectangular area of 5000m2. Find the dimensions of the garden. \n" );
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Algebra.Com's Answer #161308 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x+2y=300 or 2x=300-2y or x=150-y \n" ); document.write( "xy=5,000 \n" ); document.write( "(150-y)y=5,000 \n" ); document.write( "150y-y^2=5,000 \n" ); document.write( "y^2-150y+5,000=0 \n" ); document.write( "(y-100)(y-50)=0 \n" ); document.write( "y-100=0 \n" ); document.write( "y=100 & x=50 ans. \n" ); document.write( "y-50=0 \n" ); document.write( "y=50 & x=100 ans. \n" ); document.write( "Proofs: \n" ); document.write( "2*50+2*100=300 \n" ); document.write( "100+200=300 \n" ); document.write( "50*100=5,000 \n" ); document.write( "5,000=5,000 \n" ); document.write( " |