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Mathematics 11 Online
OpenStudy (anonymous):

What is the sum of a 17-term arithmetic sequence where the first term is 7 and the last term is -105?

OpenStudy (solomonzelman):

last term is -105, do you mean 17th term by last term?

OpenStudy (anonymous):

lmao i'm really bad at this could you please walk me through it

OpenStudy (solomonzelman):

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