document.write( "Question 824115: The length of a football field is 180 feet more than its width. if the perimeter of the field is 1,060 feet ,find the length of the field. show your work \n" ); document.write( "
Algebra.Com's Answer #496094 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "x = y + 180 \n" ); document.write( "2x + 2y = 1060 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x - y = 180 \n" ); document.write( "2x + 2y = 1060 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above standard form linear equations in to this (matrix method) solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "answer1: \n" ); document.write( "x= length = 355 ft \n" ); document.write( "y= width = 175 ft \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "now by substitution: \n" ); document.write( "--- \n" ); document.write( "2x + 2y = 1060 \n" ); document.write( "2(y + 180) + 2y = 1060 \n" ); document.write( "2y + 360 + 2y = 1060 \n" ); document.write( "4y = 700 \n" ); document.write( "y = 175 \n" ); document.write( "x = 355 \n" ); document.write( "--- \n" ); document.write( "answer2: \n" ); document.write( "x= length = 355 ft \n" ); document.write( "y= width = 175 ft \n" ); document.write( "--- \n" ); document.write( "NOTE: the results from matrix method agrees with result from substitution \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |