document.write( "Question 989753: A rectangular farm has a perimeter of 700m and area of 30 000m^2. Find it's dimensions. \n" ); document.write( "

Algebra.Com's Answer #609967 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "Answer. 150 m and 200 m.\r
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\n" ); document.write( "\n" ); document.write( "You need to solve the system of two equations\r
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\n" ); document.write( "\n" ); document.write( " $\"system%28x+%2B+y+=+350%2C%0D%0Axy+=+30000%29\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Express y = 350-x from the first equation and substitute into the second equation. You will have \r
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\n" ); document.write( "\n" ); document.write( "x*(350-x) = 30000.\r
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\n" ); document.write( "\n" ); document.write( "Then solve this quadratic equation using the quadratic formula or the Vieta's theorem.\r
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