document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324997>Question 324997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you the sum of the first 850 odd numbers.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232703 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=232703\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you the sum of the first 850 odd numbers? <BR>\n" );
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document.write( "The 1st odd digit is one: a(1) = 1<BR>\n" );
document.write( "The difference between each odd digit is d = 2<BR>\n" );
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document.write( "To find the nth term of the sequence use a(n) = a(1) + (n-1)d<BR>\n" );
document.write( "a(850) = 1+849(2) = 1699<BR>\n" );
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document.write( "The sum of n terms of n terms of the sequance is s(n) = (n/2)(a(1)+a(n))<BR>\n" );
document.write( "S(850) = (850/2)(1+1699+1)<BR>\n" );
document.write( "S(850) = 425*850 = 361,250<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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