document.write( "Question 1118799: A graphic artist needs to construct a design that uses a rectangle whose length is 5 cm longer than its width x.
\n" ); document.write( "(a) Construct a model that gives the perimeter P(x) of the rectangle.
\n" ); document.write( "(b) If the perimeter of the rectangle is 38 cm, what are the dimensions of the rectangle?
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Algebra.Com's Answer #734249 by josgarithmetic(39620)\"\" \"About 
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width x
\n" ); document.write( "length x+5
\n" ); document.write( "P(x) perimeter\r
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\n" ); document.write( "\n" ); document.write( "\"P%28x%29=2%28x%2B5%29%2B2x\"
\n" ); document.write( "\"P%28x%29=2x%2B10%2B2x\"
\n" ); document.write( "\"highlight%28P%28x%29=4x%2B10%29\"\r
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\n" ); document.write( "\n" ); document.write( "If P is given and x is unknown, then solve for x.
\n" ); document.write( "\"4x%2B10=P\"
\n" ); document.write( "\"4x=P-10\"
\n" ); document.write( "\"x=%28P-10%29%2F4\"
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\n" ); document.write( "\"If\"\"given\"\"P=38\",
\n" ); document.write( "\"x=%2838-10%29%2F4\"
\n" ); document.write( "\"x=7\"\"and\"\"x%2B5=12\"\r
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