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yaroslaw [1]
3 years ago
11

Find the 50th term for the sequence 31,24, 17

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0

9514 1404 393

Answer:

  -312

Step-by-step explanation:

The general term of an arithmetic sequence is ...

  an = a1 +d(n -1)

Here, you have first term a1 = 31, and common difference d = 24-31 = -7. So, the 50th term is ...

  a50 = 31 -7(50 -1) = 31 -7(49) = -312

The 50th term for the sequence is -312.

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