document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942577>Question 942577</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write a formula for the general term(the nth term) of each arithmetic sequence. Then use the formula for An to find A20.the 20th term of the sequence, 1,5,9,13.... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574629 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=574629\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write a formula for the general term(the nth term) of each arithmetic sequence. Then use the formula for An to find A20.the 20th term of the sequence, 1,5,9,13....<BR>\n" );
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document.write( "d = 5-1 = 4<BR>\n" );
document.write( "a(1) = 1<BR>\n" );
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document.write( "a(20) = a(1)+19*d<BR>\n" );
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document.write( "a(20) = 1 + 19*4 = 77<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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