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Alona [7]
3 years ago
14

Mt. McKinley, which is the highest elevation in North America, is 20,320 feet above sea level. Death Valley, which is the lowest

elevation in North America, is 282 feet below sea level. What is the difference in height between the top of Mt. McKinley and the bottom of death valley?
Mathematics
1 answer:
tatuchka [14]3 years ago
4 0
20,320 + Ι-282Ι = 20,602
The vertical lines indicate absolute value, or the distance from sea level.
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5 times the complement of an angle is 15 more than two times the supplement of the angle. Find the angle,
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Answer:

The angle measures 25°; the complement measures 65°; the supplement measures 155°.

Step-by-step explanation:

The sum of the measures of two complementary angles is 90.

If the angles measure x and y, then x + y = 90.

Given angle x, then y = 90 - x.

The sum of the measures of two supplementary angles is 180.

If the angles measure x and y, then x + y = 180.

Given angle x, then y = 180 - x.

Let the angle be x.

Its complement is 90 - x.

Its supplement is 180 - x.

5(90 - x) = 2(180 - x) + 15

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Angle: x = 25

Complement: 90 - x = 90 - 25 = 65

Supplement: 180 - x = 180 - 25 = 155

Answer: The angle measures 25°.;, the complement measures 65°; the supplement measures 155°.

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