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What is the common difference in the arithmic sequence 30,27,24,21,18
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What is the common difference in the arithmic sequence 30,27,24,21,18

User Sleepster
by
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2 Answers

2 votes

Answer:

-3

Explanation:

Its decresing by -3.

User Hugo Ferreira
by
8.3k points
1 vote
if you have two terms in a sequence, then a term decreased by the previous term=common difference

so
30 and 27

27 decreased by 30 is -3

the common differce is -3
User RikRak
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