document.write( "Question 827376: The perimeter of a rectangle is 98 feet. The ratio of its length to its width s 5:2. Find the area. How do you do this problem!?!?
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Algebra.Com's Answer #498676 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x = length
\n" ); document.write( "y = width
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\n" ); document.write( "2x + 2y = 98
\n" ); document.write( "x/y = 5/2
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\n" ); document.write( "put the system of linear equations into standard form:
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\n" ); document.write( "2x + 2y = 98
\n" ); document.write( "x = (5/2)y
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\n" ); document.write( "2x + 2y = 98
\n" ); document.write( "x - 2.5y = 0
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\n" ); document.write( "copy and paste the above linear system in standard form into this matrix-method solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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\n" ); document.write( "solution:
\n" ); document.write( "x = length = 35 ft
\n" ); document.write( "y = width = 14 ft
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\n" ); document.write( "system matrix
\n" ); document.write( "2 2
\n" ); document.write( "1 -2.5
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\n" ); document.write( "inverse of system matrix
\n" ); document.write( "0.35714286 0.28571429
\n" ); document.write( "0.14285714 -0.28571429
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\n" ); document.write( "determinant of system matrix = -7
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\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
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