document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585449>Question 585449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The dimensions of a retangle are 5cm by 13m.  what are the dimensions of a similar rectangle with exactly double the area? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373350 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=373350\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A = LW\r<BR>\n" );
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document.write( "A = 5*13\r<BR>\n" );
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document.write( "A = 65\r<BR>\n" );
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document.write( "Double the area to get 65*2 = 130\r<BR>\n" );
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document.write( "A = LW\r<BR>\n" );
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document.write( "130 = xy\r<BR>\n" );
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document.write( "y = 130/x\r<BR>\n" );
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document.write( "x/y = 13/5\r<BR>\n" );
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document.write( "y = 13x/5\r<BR>\n" );
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document.write( "y = 130/x\r<BR>\n" );
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document.write( "13x/5 = 130/x\r<BR>\n" );
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document.write( "13x^2 = 130*5\r<BR>\n" );
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document.write( "13x^2 = 650\r<BR>\n" );
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document.write( "x^2 = 650/13\r<BR>\n" );
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document.write( "x^2 = 50\r<BR>\n" );
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document.write( "x = sqrt(50)\r<BR>\n" );
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document.write( "x = 5*sqrt(2)\r<BR>\n" );
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document.write( "x = 7.0710678\r<BR>\n" );
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document.write( "y = 130/x\r<BR>\n" );
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document.write( "y = 130/7.0710678\r<BR>\n" );
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document.write( "y = 18.384776\r<BR>\n" );
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document.write( "So the dimensions are roughly 7.0710678 by 18.384776\r<BR>\n" );
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document.write( " </SPAN>\n" );
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