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wel
3 years ago
15

Which of the following is the solution set of –4 < 3t + 5 ≤ 20?

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

b)

{t | –3 < t ≤ 5}

Step-by-step explanation:

    –4 < 3t + 5 ≤ 20

⇔

    -4 - 5 < 3t ≤ 15

⇔

    -9 < 3t ≤ 15

⇔

    -3 < t ≤ 5    

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