SOLUTION: the number of sequence is 17.if the second number is 3,what is the first number?

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Question 969018: the number of sequence is 17.if the second number is 3,what is the first number?
Answer by Theo(13342) About Me  (Show Source):
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.

what do you mean by the number of sequence is 17.

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.

i'm not real good on sequences but i can solve some of them, especially if they are geometric sequences or arithmetic sequences.

here's some references that might be able to help you understand about sequences and series better.

http://www.purplemath.com/modules/series.htm
http://www.mathsisfun.com/algebra/sequences-series.html
http://www.coolmath.com/algebra/19-sequences-series