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The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference. (A) 1.8 (B) 2 (C) 8/9

The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference. (A) 1.8 (B) 2 (C) 8/9
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1 vote
The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.

(A) 1.8
(B) 2
(C) 8/9

asked
User Geray Suinov
by
8.0k points

1 Answer

3 votes
(A) 1.8

The difference is 18, 13 is bc the tenth term so divide 18 by 10 to get 1.8
answered
User Tom Hunter
by
8.5k points
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