Math

The temperature, t, in degrees Fahrenheit, in a certain town on a certain spring day satisfies the inequality | t - 24 | is less than or equal to 30. Which of the following temperatures, in degrees Fahrenheit, is NOT in this range?

F. -10
G. -6
H. -5
J. 0
K. 54

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  2. 👎 0
  3. 👁 341
  1. | t - 24 | ≤ 30

    There are two cases here: positive and negative:

    case I: positive
    t - 24 ≤ 30
    t ≤ 30 + 24
    t ≤ 54

    case II: negative
    -(t - 24) ≤ 30
    -t + 24 ≤ 30
    24 - 30 ≤ t
    -6 ≤ t

    We get the intersection of these solution:
    -6 ≤ t ≤ 54

    Now from the choices, which of them is not included in this set?

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    posted by Jai
  2. hgh

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