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OpenStudy (anonymous):
What is the sum of the arithmetic sequence 3, 11, 19 ..., if there are 26 terms? 1,222 1,261 2,486 2,678
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OpenStudy (anonymous):
help
OpenStudy (anonymous):
2,678
OpenStudy (anonymous):
are you sure?
OpenStudy (anonymous):
I did it on my calculator and that's what I got....
OpenStudy (anonymous):
ok thank you
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