document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44158>Question 44158</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve. approximate irrational roots to the nearest tenth.\r<BR>\n" );
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document.write( "The length of a rectangle is 3 cm greater than its width. The area of the rectangle is 180 cm^2. find the length and width. (units optional) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29090 by </B><A HREF=/tutors/aboutme.mpl?userid=adamchapman><B>adamchapman(301)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=adamchapman><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=29090\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> W = width<BR>\n" );
document.write( "L = length <BR>\n" );
document.write( "A = area   = 180<BR>\n" );
document.write( "The length of the rectangle is 2 inches more than twice its width:<BR>\n" );
document.write( "L = W + 3..............(i) \r<BR>\n" );
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document.write( "A = W x L..............(ii) <BR>\n" );
document.write( "Subtitute equation (i) into (ii) for L:<BR>\n" );
document.write( "A = W(W + 3)<BR>\n" );
document.write( "A = W^2 + 3W <BR>\n" );
document.write( "180 = W^2 + 3W<BR>\n" );
document.write( "W^2 + 3W -180 = 0\r<BR>\n" );
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document.write( "Solve the quadratic equation to give W=-12.75cm or W=14.25cm<BR>\n" );
document.write( "Obviously the first solution is impossible, so the true answer is W=14.25cm. Add 3cm to W to get L=17.25cm<BR>\n" );
document.write( "I hope this helps <BR>\n" );
document.write( "P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk  </SPAN>\n" );
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