Calculate the speed of a marble that rolls 9 cm in 4 seconds

Question

Calculate the speed of a marble that rolls 9 cm in 4 seconds

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Ben Gia 6 months 2021-07-11T06:08:22+00:00 1 Answers 3 views 0

Answers ( )

    0
    2021-07-11T06:09:36+00:00

    Answer:

    2.25

    Explanation:

    9/4

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