document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140683>Question 140683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find the 20th partial sum of sequence 17,23,29,35... I have found d=6 and the 20th term is 131, but what next to find partial sum? Thank You  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102395 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=102395\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the 20th partial sum of sequence 17,23,29,35... I have found d=6 and the 20th term is 131<BR>\n" );
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document.write( "S(20) = (20/2)(a(1) + a(20))<BR>\n" );
document.write( "S(20) = 10[17 + 131]<BR>\n" );
document.write( "S(20) = 10*148<BR>\n" );
document.write( "S(20) = 1480<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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