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OpenStudy (anonymous):
Find the 9th term of the arithmetic sequence. a10 = 100 and a20 = 50; a9 = _____.
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OpenStudy (lilg132):
105?
OpenStudy (anonymous):
That seems right.
OpenStudy (anonymous):
What about this one? Find the 11th term of the arithmetic sequence. a3 = 20.5 and a8 = 13, a11 = ______.
OpenStudy (lilg132):
remember to click good answer
OpenStudy (anonymous):
I did. Can you help with the other one
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