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OpenStudy (anonymous):
What is the sum of a 23–term arithmetic sequence where the first term is 9 and the last term is 185?
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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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