3 years ago

Find the nth term for the sequence 20,18,16,14..

Mathematics

1 answer:

Anastasy [175]3 years ago

5 0

Answer:

20-2(n-1)

Step-by-step explanation:

The general term (or the nth term) of this sequence is [20-2(n-1)].

Verification:

1st term = 20-2(1-1) = 20-2(0) = 20-0 = 20

2nd term = 20-2(2-1) = 20-2(1) = 20-2 = 18

3rd term = 20-2(3-1) = 20-2(2) = 20-4 = 16

4th term = 20-2(4-1) = 20-2(3) = 20-6 = 14

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