document.write( "Question 377927: what rectangles dimensions has a area of 45 ft. and a perimeter of 36 ft. ? \n" ); document.write( "
Algebra.Com's Answer #268529 by sophxmai(62)\"\" \"About 
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xy=45
\n" ); document.write( "2x+2y=36
\n" ); document.write( "\"x=%28-2y%2B36%29%2F2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "xy=45
\n" ); document.write( "\"y%28%28-2y%2B36%29%2F2%29=36\"
\n" ); document.write( "y(-y+18)=36
\n" ); document.write( "\"-y%5E2%2B18y=36\"
\n" ); document.write( "\"-y%5E2%2B18y-36=0\"
\n" ); document.write( "(y-15)(y-3)=0
\n" ); document.write( "y=3,15\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "When y is 3, x is:
\n" ); document.write( "xy=45
\n" ); document.write( "x(3)=45
\n" ); document.write( "x=15\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "When y is 15, x is:
\n" ); document.write( "xy=45
\n" ); document.write( "x(15)=45
\n" ); document.write( "x=3\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Dimensions of the rectangle can be 3ft by 15 ft or 15ft by 3ft
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