document.write( "Question 969018: the number of sequence is 17.if the second number is 3,what is the first number? \n" ); document.write( "
Algebra.Com's Answer #592046 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
please elaborate on your question so we can understand exactly what it is that you are asking.\r
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\n" ); document.write( "\n" ); document.write( "what do you mean by the number of sequence is 17.\r
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\n" ); document.write( "\n" ); document.write( "what other information do you have about this sequence that you can tell us that will make it easier for us to answer your question.\r
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\n" ); document.write( "\n" ); document.write( "i'm not real good on sequences but i can solve some of them, especially if they are geometric sequences or arithmetic sequences.\r
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\n" ); document.write( "\n" ); document.write( "here's some references that might be able to help you understand about sequences and series better.\r
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\n" ); document.write( "\n" ); document.write( "http://www.purplemath.com/modules/series.htm
\n" ); document.write( "http://www.mathsisfun.com/algebra/sequences-series.html
\n" ); document.write( "http://www.coolmath.com/algebra/19-sequences-series\r
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