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SVETLANKA909090 [29]
3 years ago
10

A principal randomly chose 30 students from grade 8. Of these students, 9 were wearing watches. Based on this information, what

is the most reasonable prediction of the number of students wearing watches in a group of 120 students from grade 8?
Mathematics
1 answer:
hram777 [196]3 years ago
5 0

Answer:

im pretty sure 36

Step-by-step explanation:

if you do 120 devided by 30 you get 4, then u just multipy by 9 which is 36.

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irga5000 [103]

Answer:  The flagpole is about 22.3 feet tall.

This is roughly the size of a two story building, assuming each floor is 10 feet or so.

Since this height is under 25 ft, this flagpole is in compliance with the regulation.

=====================================================

Work Shown:

The horizontal leg of the triangle is 36 ft. This is the adjacent leg to the reference angle 25 degrees.

The vertical leg of the triangle is x-5.5, and this leg is the opposite side to the reference angle 25 degrees.

Use the tangent rule to connect the opposite and adjacent sides.

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Make sure your calculator is in degree mode.

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