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12 August, 19:21

The 4th term of an arithmetic sequence is 1. The 10th term of the same sequence is - 2. Which is an explicit formula for this sequence

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  1. 12 August, 20:18
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    The first term is 2.5

    Step-by-step explanation:

    The first term is 2.5 and it decreases 0.5 each time.

    x = - 0.5n+2.5
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