3 years ago

Arithmetic sequence of 9, 209 409, 609 and what id the difference?

Mathematics

1 answer:

BaLLatris [955]3 years ago

3 0

Answer:

d=200

Step-by-step explanation:

First term

a=9

Second term

a+d=209

Third term

a+2d=409

Fourth term

a+3d=609

Find the common difference (d)

From the second term

a+d=209

a=9

Therefore,

9+d=209

d=209-9

=200

d=200

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