Evaluate the mean of each data set mentally. 61, 71, 81, 91, 101

Question

Evaluate the mean of each data set mentally.
61, 71, 81, 91, 101

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Nick 4 years 2021-09-01T03:44:28+00:00 1 Answers 7 views 0

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  1. thuthuy
    0
    2021-09-01T03:45:41+00:00
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    Answer:

    10

    Step-by-step explanation:

    they each go by ten

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )