document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=195585>Question 195585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please i need help on these question can any one help me????<BR>\n" );
document.write( "please help......<BR>\n" );
document.write( "1)Find the 111th term of an arithmetic sequence that has a first term of an arithmetic sequence that has a first term of 4 and a common difference of  -0.8\r<BR>\n" );
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document.write( "2)Write the following series in summation notation. Use i as index variable and start I at 1 2+4+6+8+…+124\r<BR>\n" );
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document.write( "3)Find the number of terms of a geometric sequence with, first term1/64, common ratio 2, and last term 512\r<BR>\n" );
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document.write( "4)What is the coefficient of a^3 z^3 in the expansion of (a+z)^12  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #146701 by </B><A HREF=/tutors/aboutme.mpl?userid=anantha><B>anantha(86)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=anantha><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=146701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solution for 1st question<BR>\n" );
document.write( "sol:<BR>\n" );
document.write( "1st term in arithematic sequence (a)=4<BR>\n" );
document.write( "commom difference (d)= -0.8\r<BR>\n" );
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document.write( "the nth term in arithematic sequence is<BR>\n" );
document.write( "tn= a+(n-1)*d<BR>\n" );
document.write( "now we find out the 11th term in arithematic sequence<BR>\n" );
document.write( "n=11<BR>\n" );
document.write( "a=4<BR>\n" );
document.write( "d= -0.8<BR>\n" );
document.write( "substitute these values in the above formula we get<BR>\n" );
document.write( "t11= 4+(11-1)*(-0.8)<BR>\n" );
document.write( "t11=4+(10)*(-0.8)<BR>\n" );
document.write( "t11=4-8<BR>\n" );
document.write( "t11= -4<BR>\n" );
document.write( "11 th term in arithematic sequence is -4<BR>\n" );
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