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natka813 [3]
3 years ago
12

A principal wanted to survey students who took a standardized college entry exam about how prepared they felt for

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

B. Simple Random Sampling

Step-by-step explanation:

Simple random sampling is a type of probability sampling in which the researcher randomly selects a subset of participants from a population. Each member of the population has an equal chance of being selected

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Given csc A= 37/12 and that angle A is in Quadrant I, find the exact value of sec A in
vredina [299]

Answer:

Step-by-step explanation:

Below is the pic of how this would be set up in order to determine what it is you are looking for. The angle is set in QI, and since csc A is the reciprocal of sin, the ratio is hypotenuse over side opposite. Solve for the missing side using Pythagorean's Theorem:

37^2=12^2+b^2 and

1369 = 144 + b² and

1225 = b² so

b = 35

The sec ratio is the reciprocal of cos, so if cos is adjacent over hypotenuse, the sec is hypotenuse over adjacent, which is 37/35

7 0
3 years ago
120% of which is 480. I write what i know but i dont know what going on next, maybe I write wrong haha Improve me ​
Ilia_Sergeevich [38]
I’m pretty sure The answer is 1.2
8 0
3 years ago
PLS HELP WILL MARK BRAINLIEST! ANSWER W/ SOLUTION
frozen [14]

=  \:  \:  \: c = 0 \\  \\ hope \: it \:  \: helps \\  \\ see \:  \: the \:  \: attachement

8 0
2 years ago
Read 2 more answers
A line passes through the points (7, 10) and (7, 20). Which statement is true about the line? It has a slope of zero because in
geniusboy [140]
Slope formula: \frac{y2-y1}{x2-x1}
Apply. 
\frac{20-10}{7-7} =  \frac{10}{0} = undefined (No slope) 

Thus, that answer is: Choice D. 

If you're wondering why C isn't this answer, it's because  it doesn't matter if 0 is the numerator of a fraction. If it was, then the slope would be 0 regardless. However, if 0 takes place in the denominator, the slope will be undefined; there will be no slope. 
8 0
3 years ago
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At a carnival game, a large horizontal bar has 20 hoses of the same cut in it, For the game, you toss a ball onto the board and
mylen [45]
There's not enough information to solve the problem
4 0
3 years ago
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