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Elina [12.6K]
3 years ago
15

The principal of a large high school wants to learn about student opinion regarding remote learning versus in person learning. E

ach of the following methods introduces a possible source of bias. Name the type of bias . a. The principle selects a random sample of students from those who signed up for remote learning. b. The student emails a random sample of 100 students, but only 28 students respond . c. The principal surveys the first 50 students that submit their learning preference for the upcoming school year.
Mathematics
1 answer:
jasenka [17]3 years ago
6 0

Answer:

Step-by-step explanation:

the students that are in the survey are in it because they like the subject, rather than picking students from both types of groups, the ones that aren't doing remote learning and the ones that are doing remote learning.

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Answer:

x=88, so it is acute.

Step-by-step explanation:

The two known angles are 45 degrees and 47 degrees. We know that in a triangle, the three angles always add up to 180 degrees.

This means that the third angle is 180-(45+47), or 180-92, or 88. So, the third angle is 88 degrees.

Acute triangles are when all the angles are less than 90. Right is when one angle is exactly 90. Obtuse is when one is more than 90. 88, 45, and 47 are all less than 90, so it is an acute triangle.

3 0
3 years ago
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C) moving bits of rock from place to place

Step-by-step explanation:

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3 years ago
The graph shows the function f(x) = 3x.What is the value of x when f(x) = 9?
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Step-by-step explanation:

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4 years ago
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Helpppp pleaseeee thannkkss
bekas [8.4K]
Choice A is the answer

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