document.write( "Question 814483: Hi,
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document.write( "I been trying to solve this problem but I can't find the right formula to do it. I tried A-1/2b*h but I don't get the answer right. Would you help me please?\r
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document.write( "Thank you \r
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document.write( "the face of the triangular concrete panel has an area of 45 square meters and its base is 3 meters longer than twice its height. find the length of its base \n" );
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Algebra.Com's Answer #490332 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! a = (1/2)bh \n" ); document.write( "--- \n" ); document.write( "b = 2h + 3 \n" ); document.write( "--- \n" ); document.write( "45 = (1/2)bh \n" ); document.write( "45 = (1/2)(2h + 3)h \n" ); document.write( "45 = (1/2)(2hh + 3h) \n" ); document.write( "45 = hh + (3/2)h \n" ); document.write( "a(h) = hh + (3/2)h - 45 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=1.5, and c=-45 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, plug this: \n" ); document.write( "1 1.5 -45 \n" ); document.write( "into this: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "the roots of the quadratic are: \n" ); document.write( "6 \n" ); document.write( "-7.5 \n" ); document.write( "--- \n" ); document.write( "the negative root doesn't make sense as length, so use the positive root: \n" ); document.write( "--- \n" ); document.write( "Answer: \n" ); document.write( "h = 6 m \n" ); document.write( "b = 15 m \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( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " \n" ); document.write( " |