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27 October, 12:47

For the last 4.5 hours, the temperature has decreased at a rate of 2.8 Degrees Fahrenheit per hour. Which best represents the overall change in temperature over this time period?

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  1. 27 October, 13:02
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    The overall change in temperature over the time period ∆T = - 12.6°F

    Step-by-step explanation:

    Rate of change of temperature r = - 2.8°F per hour

    Time t = 4.5 hours

    The overall change in temperature ∆T = Rate of change of temperature * time period

    ∆T = r * t

    ∆T = - 2.8°F per hour * 4.5 hours

    ∆T = - 12.6°F

    The overall change in temperature over the time period is - 12.6°F
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