document.write( "Question 323745: The area of a rectangle is 494 mm. the base is one less than three times the height. what is perimeter? \n" ); document.write( "

Algebra.Com's Answer #231686 by checkley77(12844) $\"\"$ $\"About$

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A=LW
\n" ); document.write( "L=3W-1
\n" ); document.write( "494=(3W-1)W
\n" ); document.write( "494=3W^2-W
\n" ); document.write( "3W^2-W-494=0
\n" ); document.write( "(3W+38)(W-13)=0
\n" ); document.write( "3W+38=0
\n" ); document.write( "3W=-38
\n" ); document.write( "W=-38/3
\n" ); document.write( "W=-12.667 ans.
\n" ); document.write( "L=3*-12.667-1=-38-1=-39 ans.
\n" ); document.write( "W-13=0
\n" ); document.write( "W=13 ans.
\n" ); document.write( "L=3*13-1=39-1=38
\n" ); document.write( "Proof:
\n" ); document.write( "494=-12.667*-39
\n" ); document.write( "494=494
\n" ); document.write( "494=13*38
\n" ); document.write( "494=494
\n" ); document.write( " \n" ); document.write( "

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