20. The stratosphere is the layer of the Earth's atmosphere that is more than 10 kilometers (km) and less than 50 km above the Earth's surface. Which of the following inequalities describes all possible heights x, in km, above the Earth's surface that are in the stratosphere? A. x + 10| < 50 B. |x – 10| < 50 C. |x + 30| < 20 D. |x – 30 < 20

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter2: Equations And Inequalities
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20. The stratosphere is the layer of the Earth's atmosphere that is more than 10 kilometers (km) and less than 50 km
above the Earth's surface. Which of the following inequalities describes all possible heights x, in km, above the Earth's
surface that are in the stratosphere?
A. x + 10| < 50
B. |x – 10| < 50
C. |x + 30| < 20
D. |x – 30 < 20
Transcribed Image Text:20. The stratosphere is the layer of the Earth's atmosphere that is more than 10 kilometers (km) and less than 50 km above the Earth's surface. Which of the following inequalities describes all possible heights x, in km, above the Earth's surface that are in the stratosphere? A. x + 10| < 50 B. |x – 10| < 50 C. |x + 30| < 20 D. |x – 30 < 20
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