3 years ago

What are the first three terms of the Arithmetic Sequence an = 11 – 3(n – 1)?

Mathematics

1 answer:

vaieri [72.5K]3 years ago

3 0

Answer:First three terms: 11,20,29 .

Step-by-step explanation:

Write a systems of equations. tn=a+(n−1)d. sn=n2 (2a+(n−1)d). So,. 110=11+(n−1)d 726=n2(22+(n−1)d).

I hope this is right

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