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For the sequence 25, 22, 19, 16, ..., find the (a) formula for the n term, (b) sum of the first 20 terms.
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Jun 5, 2021
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For the sequence 25, 22, 19, 16, ...,
find the
(a) formula for the n term,
(b) sum of the first 20 terms.
Mathematics
middle-school
LiuLang
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Answer: 26, and the b is 13
Explanation:
Mohit Kejriwal
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Jun 12, 2021
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Mohit Kejriwal
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