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How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number 19 appears?

 Jul 2, 2022
 #1
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19 ==88  +  (-3 * N)

 

19 - 88 == - 3N

 

- 69 == - 3N

 

N ==- 69 / - 3 ==23 terms will appear before the 24th term, which will be 19

 Jul 3, 2022
 #2
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Similar question, you can learn from it: https://web2.0calc.com/questions/how-many-terms-of-the-arithmetic-sequence-88-85-82

 Jul 3, 2022

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