In order for a gear to work in a piece of machinery, the radius of the gear, r, must be greater than 4 cm, but not exceed 4.1 cm. Which compound inequality represents the situation?

a. r > 4 and r ≤ 4.1

b. r > 4 or r ≤ 4.1

c. r < 4 and r ≥ 4.1

d. r < 4 or r ≥ 4.1

Question

Dalia Zhang

9 August, 20:21

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Zackery Velasquez · Answer 1

Zackery Velasquez 9 August, 20:58

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R > 4 and r ≤ 4.1 cm

Option a.

In order for a gear to work in a piece of machinery, the radius of the gear, r, must be greater than 4 cm, but not exceed 4.1 cm. Which compound inequality represents the situation?a. r > 4 and r ≤ 4.1b. r > 4 or r ≤ 4.1c. r < 4 and r ≥ 4.1d. r < 4 or r ≥ 4.1