# Which of the following expressions correctly determines that x is greater than 10 and less than 20?

The question is based on inequalities and the way we represent them.

## Answer: The inequality 10 < x < 20 determines that x is greater than 10 and less than 20.

Let us represent the given information mathematically.

**Explanation:**

Given that x is greater than 10 and less than 20

x > 10 and x < 20

10 < x and in turn x < 20

10 < x < 20

x can be any real number between 10 and 20 with the endpoints excluded.

### Thus, the inequality 10 < x < 20 determines that x is greater than 10 and less than 20.

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