What is the value of 1/2 x^3+3.4y when x=2 and y=5?

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What is the value of 1/2 x^3+3.4y when x=2 and y=5?

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Tryphena 1 year 2021-09-03T16:33:44+00:00 1 Answers 5 views 0

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  1. Helga
    0
    2021-09-03T16:35:20+00:00
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    (1/2) * x^3 + 3.4y when X = 2 and Y = 5.
    = (1/2) * (2^3) * 3.4(5)
    = (1/2) * 8 * 17
    = (1/2) * 136
    = 136/2
    = 68.

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