document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158658>Question 1158658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The electrical resistance of a wire varies directly with its length (L) and varies inversely with the square of its diameter (D). If a certain wire is 6.25\" long and has a diameter of .25\", it has a resistance of 25 ohms. What is the resistance in ohms of a similar wire 40\" long and with a diameter of .4 inches? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781608 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781608\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+ ALIGN=MIDDLE  ALT=\"+R+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = resistance in ohms<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+k+ ALIGN=MIDDLE  ALT=\"+k+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = constant of proportionality<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+k%2A%28+L%2FD%5E2+%29+ ALIGN=MIDDLE  ALT=\"+R+=+k%2A%28+L%2FD%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+25+ ALIGN=MIDDLE  ALT=\"+R+=+25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ohms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+L+=+6.25+ ALIGN=MIDDLE  ALT=\"+L+=+6.25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+D+=+.25+ ALIGN=MIDDLE  ALT=\"+D+=+.25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+=+k%2A%28+6.25+%2F+.25%5E2+%29+ ALIGN=MIDDLE  ALT=\"+25+=+k%2A%28+6.25+%2F+.25%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+=+k%2A%28+6.25+%2F+.0625+%29+ ALIGN=MIDDLE  ALT=\"+25+=+k%2A%28+6.25+%2F+.0625+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+=+k+%2A+100+ ALIGN=MIDDLE  ALT=\"+25+=+k+%2A+100+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+k+=+.25+ ALIGN=MIDDLE  ALT=\"+k+=+.25+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+L+=+40+ ALIGN=MIDDLE  ALT=\"+L+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+D+=+.4+ ALIGN=MIDDLE  ALT=\"+D+=+.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+k%2A%28+L%2FD%5E2+%29+ ALIGN=MIDDLE  ALT=\"+R+=+k%2A%28+L%2FD%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+.25%2A%28+40%2F.4%5E2+%29+ ALIGN=MIDDLE  ALT=\"+R+=+.25%2A%28+40%2F.4%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+.25%2A%28+40%2F.16+%29+ ALIGN=MIDDLE  ALT=\"+R+=+.25%2A%28+40%2F.16+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+.25%2A250+ ALIGN=MIDDLE  ALT=\"+R+=+.25%2A250+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+62.5++ ALIGN=MIDDLE  ALT=\"+R+=+62.5++\"   DISABLED_style= \"max-width:90%; height:auto;\" > ohms<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "check my math & get a 2nd<BR>\n" );
document.write( "opinion if needed\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );