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. Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,… If so, give the common difference.
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. Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,… If so, give the common difference.

User Vikram Belde
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The answer to this question is -.5. We can determine the common difference by just subtracting the first number to the second number 14 - 14.5 is equal to -.5, 14.5 - 15 is equal to -.5 and so on.
This sequence is arithmetic and the common difference is -.5
User Gui Moura
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