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bulgar [2K]
3 years ago
15

How do i solve this?

Mathematics
2 answers:
hjlf3 years ago
8 0

The sum of angle measures inside a triangle equals 180°. Subtract 180-135 to find the measure of angle a. 180-135=45. Then add 45 and 58 to get 103. Then you subtract 103 from 180 to get an answer of 77.

Alla [95]3 years ago
5 0

First, find the supplementary angle of angle A. Together, they should add up to 180°, which is a straight line.

123°+y°=180°

y°= 180°-123°

y°=57°

The interior angles of a triangle add up to 180°.

58°+57°+x°=180°

115°+x°=180°

x°=65°

The measure of angle x is 65°.

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<h3>What is sampling?</h3>

It is a common statistics practice, when we want to study something from a population, we find a sample of this population, which is a group containing elements of a population. A sample has to be representative of the population, that is, it has to involve all segments of the population.

<h3>For example:</h3>

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents wheter they are Buffalo Bills fans, and expand this to the entire population of New York State residents.

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6 0
3 years ago
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7 0
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<h3>placing in formula</h3>

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