document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=192820>Question 192820</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780395977224/algebrahomeworkh>algebra structure and method</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> the amount of material needed to cover a ball is directly proportional to the square of its diameter.  a ball with a diameter of 12 cm needs 452 cm(squared) of materail to cover it. if 1017 cm(squared) of material is to be used what is the diameter of the ball. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144718 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=144718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let amount of materal be a and let the diameter be d<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Fd%5E2=k ALIGN=MIDDLE  ALT=\"a%2Fd%5E2=k\"   DISABLED_style= \"max-width:90%; height:auto;\" > where k is the constant of variation<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=452%2F12%5E2=k ALIGN=MIDDLE  ALT=\"452%2F12%5E2=k\"   DISABLED_style= \"max-width:90%; height:auto;\" > k=3.14<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1017%2Fd%5E2=3.14 ALIGN=MIDDLE  ALT=\"1017%2Fd%5E2=3.14\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2=1017%2F3.14 ALIGN=MIDDLE  ALT=\"d%5E2=1017%2F3.14\"   DISABLED_style= \"max-width:90%; height:auto;\" >--><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2=323.89 ALIGN=MIDDLE  ALT=\"d%5E2=323.89\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=sqrt%28323.89%29 ALIGN=MIDDLE  ALT=\"d=sqrt%28323.89%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=18 cm </SPAN>\n" );
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