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max2010maxim [7]
3 years ago
6

Less than 100 students want to start at 9:00 am is it a random sampling or a population inferences

Mathematics
1 answer:
quester [9]3 years ago
5 0

Population inferences.   Step-by-step explanation:

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Two hikers hike from a first mountain to a second mountain. The next day, they hike from the second mountain to the hollow. The
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Answer: on the first day, they hiked 9 miles.

On the second day, they hiked 16 miles.

Step-by-step explanation:

Let x represent the distance that the two hikers hiked from the first mountain to the second mountain.

Let y represent the distance that the two hikers hiked from the second mountain to the hollow.

The total distance is 25mi. This means that

x + y = 25 - - - - - - - - - - - - - -1

If the distance between the second mountain and the hollow is 7mi more than the distance from the first mountain to the second mountain, it means that

y = x + 7

Substituting y = x + 7 into equation 1, it becomes

x + x + 7 = 25

2x = 25 - 7

2x = 18

x = 18/2 = 9

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{( {t}^{8} ) }^{2}  =  {t}^{8 \times 2}  =  {t}^{16}

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