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6 votes
A. Find the common difference of the arithmetic sequence.
22, 19.5, 17, 14.5. ...

2 Answers

5 votes

Answer:

a^n=-2.5m+24.5

Explanation:

Use the formula a^n = a^1 + d (n-1) to identify the arithmetic system.

User Jonathan Sachs
by
3.0k points
8 votes

Answer:

69

Explanation:

User LietKynes
by
3.5k points