document.write( "Question 283986: Hello! I'm not sure how to set up the following word problem:\r
\n" ); document.write( "\n" ); document.write( "An address book cover has a permiter of 14 inches, and a diagonal measurement of 5 inches. What is the length and width of the cover?\r
\n" ); document.write( "\n" ); document.write( "Thank you!!!!!
\n" ); document.write( "Heidi
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Algebra.Com's Answer #206145 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
2X+2Y=14
\n" ); document.write( "2X=14-2Y
\n" ); document.write( "X=(14-2Y)/2
\n" ); document.write( "X^2+Y^2=5^2
\n" ); document.write( "[(14-2Y)/2]^2+Y^2=25
\n" ); document.write( "[(196-56Y+4Y^2)/4]+Y^2=25
\n" ); document.write( "[(196-56Y+4Y^2+4Y^2)]/4=25
\n" ); document.write( "(8Y^2-56Y+196)=4*25
\n" ); document.write( "8Y^2-56Y+196-100=0
\n" ); document.write( "8Y^2-56Y+96=0
\n" ); document.write( "8(Y^2-7Y+12)=0
\n" ); document.write( "8(Y-3)(Y-4)=0
\n" ); document.write( "Y-3=0
\n" ); document.write( "Y=3 ANS.
\n" ); document.write( "Y-4=0
\n" ); document.write( "Y=4 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*3+2*4=14
\n" ); document.write( "6+8=14
\n" ); document.write( "14=14
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