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1. How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?

 

2. 

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

 Sep 28, 2020
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1 - 

-17 - 88 = - 105

-105 / 3 = 35 terms will appear before -17, which is the 36th term.

 

2 - The 23rd term = - 53

 Sep 28, 2020
edited by Guest  Sep 28, 2020

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