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) You can put this solution on YOUR website! xy=45 \n" ); document.write( "2x+2y=36 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "xy=45 \n" ); document.write( " \n" ); document.write( "y(-y+18)=36 \n" ); document.write( " \n" ); document.write( " \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 \n" ); document.write( " |