document.write( "Question 78294: 17) The length of a rectangle is 3 cm more than 2 times its width. If the area of the rectangle is 99 cm^2, find the dimensions of the rectangle to the nearest thousandth. \n" ); document.write( "
Algebra.Com's Answer #56222 by checkley75(3666)\"\" \"About 
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L=3+2W
\n" ); document.write( "(3+2W)W=99
\n" ); document.write( "3W+2W^2-99=0
\n" ); document.write( "2W^2+3W-99=0
\n" ); document.write( "USING THE QUADRATIC EQUATION WE GET:
\n" ); document.write( "W=(-3+-SQRT[3^2-4*2*-99])/2*2
\n" ); document.write( "W=(-3+-SQRT[9+792])/4
\n" ); document.write( "W=(-3+-SQRT801)/4
\n" ); document.write( "W=(-3+-28.3)/4
\n" ); document.write( "W=(-3+28.3)/4
\n" ); document.write( "W=25.3/4
\n" ); document.write( "W=6.325 ANSWER.
\n" ); document.write( "L=3+2*6.325
\n" ); document.write( "L=3+12.65
\n" ); document.write( "L=15.65 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "6.325*15.65=99
\n" ); document.write( "99=99
\n" ); document.write( "
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