document.write( "Question 1015459: A rectangle has length 4 cm greater than its width. find its width given that its area is 96 cm2.
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Algebra.Com's Answer #631937 by josgarithmetic(39616)\"\" \"About 
You can put this solution on YOUR website!
You must literally follow the description, make the equation or equations, and solve the problem
\n" ); document.write( "for any unknown variables. I will do this here using ONLY variables without any actual values.\r
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\n" ); document.write( "\n" ); document.write( "A rectangle has length k cm greater than its width. find its width given that its area is A cm2.
\n" ); document.write( "Let w be width, and L be length.\r
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\n" ); document.write( "\n" ); document.write( "\"system%28L=w%2Bk%2CwL=A%29\"\r
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\n" ); document.write( "\n" ); document.write( "Make the obvious substitution.
\n" ); document.write( "\"w%28w%2Bk%29=A\"
\n" ); document.write( "\"w%5E2%2Bkw=A\"
\n" ); document.write( "\"w%5E2%2Bkw-A=0\"-----if you substitute your example's actual values here, you may find that the
\n" ); document.write( "specific equation is factorable and easily solved; but otherwise, you can use your other skills
\n" ); document.write( "about quadratic equations...\r
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\n" ); document.write( "\n" ); document.write( "\"w=%28-k%2B-+sqrt%28k%5E2-4%2A%28-A%29%29%29%2F2\"
\n" ); document.write( "\"highlight%28w=%28-k%2B-+sqrt%28k%5E2%2B4A%29%29%2F2%29\"
\n" ); document.write( "One of these might not make sense while the other of these WILL make sense.\r
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\n" ); document.write( "\n" ); document.write( "Use any similar skills OR related skill to find L. Note, you can start again forming a quadratic
\n" ); document.write( "equation in L, or you can go back to L=w+k, substitute here for w, and solve for L that way.\r
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\n" ); document.write( "\n" ); document.write( "Again, if you take the red-outlined equation and use the given values for YOUR example,
\n" ); document.write( "finding w and L may be easier.
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