Last night, the temperature fell from 0°F to -13 1/5 in 4 2/5 hours What was the average temperature change per hour? the problem: -13 1/5 d

Question

Last night, the temperature fell from 0°F to -13 1/5 in 4 2/5 hours What was the average temperature change per hour? the problem: -13 1/5 divided by 4 2/5
The temperature drop per hour can be represented by ___?​

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Tryphena 2 weeks 2021-07-16T06:25:08+00:00 1 Answers 0 views 0

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    2021-07-16T06:26:29+00:00

    Answer:

    What was the average temperature change per hour -3 degrees per hour​

    Step-by-step explanation:

    Take the temperature drop and divide by the time

    -13 1/5 ÷ 4 2/5

    Change to improper fractions

    -(13 *5+1)/5 ÷ (4*5+2)/5

    -66/5 ÷22/5

    Copy dot flip

    -66/5 * 5/22

    Rewrite

    -66/22 * 5/5

    -3 degrees per hour

    Since we are looking for a drop

    3 degrees per hour

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