Question

Determine the number of terms(n) of an arithmetic sequence if: a = -1; L = 1; d = 1/2.

Answer 1

Answer:

work

Step-by-step explanation:

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Answer 2

Answer:

L= a + (n-1)d

1= -1 + (n-1)1/2

2=(n-1)/2

4=n‐1

n=5