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Ludmilka [50]
3 years ago
14

The Kaibab Trail at the Grand Canyon begins at 7,000 feet above sea level. If you descend on the trail 4,500 feet to the Colorad

o River and then hike up 1,375 feet to a campsite, how many feet above sea level are you?
You are____
feet above sea level.
Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

Answer:

3875 feet above sea level

Step-by-step explanation: First, you would subtract 4,500 from 7,000 because you're going down. Then, since you're going up, you would add 1,375.

7,000- 4,500 = 2,500

2,500+ 1,375 = 3875

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Read 2 more answers
4. Which of the following lines is perpendicular to y = -2X + 8?
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For this case we have to by definition, if two lines are perpendicular then the product of its slopes is -1.

That is to say:

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m_ {1} = - 2

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m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {- 2}\\m = \frac {1}{2}

Thus, a line perpendicular to the given line must have slope m = \frac {1} {2}.

Option A:

x + 2y = 8\\2y = -x + 8\\y = - \frac {1} {2} x + 4

It is not perpendicular!

Option B:

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If it is perpendicular!

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The correct option is option B

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Option B

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