s9112940 s9112940

18-03-2020
Mathematics

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The explicit formula of an arithmetic sequence is f(n) =3-4(n-1)
Which term of the sequence is equal to -65?

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amna04352 amna04352

19-03-2020

Answer:

18th term

Step-by-step explanation:

3-4(n-1) = -65

-4n + 4 = -68

-4n = -72

n = 18

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