document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388011>Question 388011</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two solid spheres have surface areas 144 pi sq.cm and 256 pi sq.cm, respectively. They are melted and recast to form a larger sphere. Find the surface area of this sphere in sq.cm. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #274396 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=274396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two solid spheres have surface areas 144 pi sq.cm and 256 pi sq.cm, respectively. They are melted and recast to form a larger sphere. Find the surface area of this sphere in sq.cm.<BR>\n" );
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document.write( "Find the radii, then the volumes.<BR>\n" );
document.write( "Add the volumes, find the radius of the total.<BR>\n" );
document.write( "Find the surface area of the total.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=+4%2Api%2Ar%5E2 ALIGN=MIDDLE  ALT=\"Area+=+4%2Api%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "for 144pi sq cm, r = 6<BR>\n" );
document.write( "for 256pi sq cm, r = 8<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Vol+=+4%2Api%2Ar%5E3%2F3 ALIGN=MIDDLE  ALT=\"Vol+=+4%2Api%2Ar%5E3%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "for r = 6, V = 288pi cc<BR>\n" );
document.write( "for r = 8, V = 2048pi/3 cc<BR>\n" );
document.write( "Total volume = 2912pi/3 cc<BR>\n" );
document.write( "r =~ 8.996 cm<BR>\n" );
document.write( "SA total =~ 1016.945 sq cm<BR>\n" );
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document.write( "=~ 323.7pi sq cm, less the the sum of the 2 original areas<BR>\n" );
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