document.write( "Question 935055: The length of a rectangle is 7yds
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document.write( "less than three times the width, and the area of the rectangle is 66yds^2
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document.write( " . Find the dimensions of the rectangle. \n" );
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Algebra.Com's Answer #568167 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! L = 3w - 7 \n" ); document.write( "Lw = 66 \n" ); document.write( "--- \n" ); document.write( "Lw = 66 \n" ); document.write( "(3w - 7)w = 66 \n" ); document.write( "3ww - 7w - 66 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=3, b=-7 and c=-66 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "3 -7 -66 \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 = 6 \n" ); document.write( "w = -3.6666666 \n" ); document.write( "--- \n" ); document.write( "the negative root doesn't fit the problem statement, so use the positive root: \n" ); document.write( "--- \n" ); document.write( "w = 6 \n" ); document.write( "L = 3w - 7 \n" ); document.write( "L = 3*6 - 7 \n" ); document.write( "L = 11 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "w = 6 yds \n" ); document.write( "L = 11 yds \n" ); document.write( "--- \n" ); document.write( "Free algebra tutoring live chat: \n" ); document.write( "https://sooeet.com/chat.php?gn=algebra \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 with 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( "--- \n" ); document.write( " |