SOLUTION: are these numbers arithmetic or geometric and why? 52, 47, 42, 37

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Question 943637: are these numbers arithmetic or geometric and why? 52, 47, 42, 37
Answer by reviewermath(1029) About Me  (Show Source):
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Are these numbers arithmetic or geometric and why? 52, 47, 42, 37
Solution:
The sequence 52, 47, 42, 37 is arithmetic because there is a common difference (d = -5).