document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1015486>Question 1015486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The fifth term of an arithmetic sequence is 23 and the 12th term is 72.<BR>\n" );
document.write( "1.1determine the first three term of the sequence and the nth term.<BR>\n" );
document.write( "1.2what is the value of the tenth term?<BR>\n" );
document.write( "1.3which term is equal to 268? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #631841 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=631841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a5+a4+d<BR>\n" );
document.write( "23=a1+4d<BR>\n" );
document.write( "72=a1+11d<BR>\n" );
document.write( "a1=23-4d=72-11d<BR>\n" );
document.write( "49=7d;d=7<BR>\n" );
document.write( "If a5=23. a1=-5,a2=2,a3=9, and an=-5+(7(n-1)) ANSWER A.<BR>\n" );
document.write( "a10=-5+9*7=58  ANSWER B.<BR>\n" );
document.write( "268=-5+7(n-1)<BR>\n" );
document.write( "273=7n-7<BR>\n" );
document.write( "280=7n; n=40th term.ANSWER C.<BR>\n" );
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