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Mathematics 7 Online
OpenStudy (anonymous):

What is the sum of a 23–term arithmetic sequence where the first term is 9 and the last term is 185?

OpenStudy (anonymous):

tn = t1 + (n - 1)d tn is the nth term, t1 is the first term, and d is the common difference.

OpenStudy (anonymous):

plug the numbers in and solve for the one you need

OpenStudy (anonymous):

you got it?

OpenStudy (anonymous):

|dw:1372701641269:dw|

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