Thursday
November 27, 2014

Homework Help: Math

Posted by Crystal on Saturday, January 12, 2013 at 4:57pm.

Is there a way to find the term number of a sum in an arithmetic series? Like if you had the sum of the first 12 terms in a series could you find the term value of term 12 using the sum?

For example in one of my previous questions :

For each series, calculate t12 and S12
a) 37 + 41 + 45 + 49 + ...

I calculated S12 to be 708. Using 708 is there a way to find t12?

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