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Arithmetic Sequences

A. what is d, the difference between any 2 terms?
answer:
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b. using the formuls for the nth term of a arithmetic sequence, what is 101st term?
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c. using the formula for the sum of an arithmetic series, what is the sum of the first 20 terms?
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Solution Summary

An arithmetic sequence is investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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