document.write( "Question 927322: The length of a rectangle is 3 ft more than twice the width, and the area of the rectangle is 77 sq.ft. Find the dimensions of the rectangle \n" ); document.write( "
Algebra.Com's Answer #562879 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! L = 2w + 3 \n" ); document.write( "Lw = 77 \n" ); document.write( "--- \n" ); document.write( "Lw = 77 \n" ); document.write( "(2w + 3)w = 77 \n" ); document.write( "2ww + 3w - 77 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=2, b=3 and c=-77 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "2 3 -77 \n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "the quadratic has two real roots at: \n" ); document.write( "--- \n" ); document.write( "w = 5.5 \n" ); document.write( "w = -7 \n" ); document.write( "--- \n" ); document.write( "the negative root doesn't fit the problem statement, so use the positive root: \n" ); document.write( "w = 5.5 \n" ); document.write( "L = 2w + 3 \n" ); document.write( "L = 2*(5.5) + 3 \n" ); document.write( "L = 14 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "L = 14 ft \n" ); document.write( "w = 5.5 ft \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( " |