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Which of the following is an arithmetic sequence? A. –20, –25, –30, –35, –45, ... B. 7.2, 3.6, 1.8, 0.9, 0.45, ... C. 3.1, 6.2, 12.4, 24.8, 49.6, ... D. –15.6, –12.9, –10.2, –7.5, –4.8, ...
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Which of the following is an arithmetic sequence? A. –20, –25, –30, –35, –45, ... B. 7.2, 3.6, 1.8, 0.9, 0.45, ... C. 3.1, 6.2, 12.4, 24.8, 49.6, ... D. –15.6, –12.9, –10.2, –7.5, –4.8, ...

User Mark Allen
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the only one right is a
User Mcabbott
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