Shingshing12viz
Answered

15. In the arithmetic sequence 6, 2, -2, ..., -162, how many terms are there?​

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Tleamvcviz

Answer

43 terms

Step-by-step explanation:

-162 = 6 + ( n - 1 ) -4

-162 = 6 - 4n + 1

-162 = 10 - 4n

-172 = -4n

n = 43

therefore, there are 43 terms