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dolphi86 [110]
3 years ago
5

Select the functions whose value is undefined.

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0
Should be
cot 0and csc 0
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– 2y – 10 = x<br> - 10x - y = -14
fredd [130]

Answer:

hey there guys ^^

Step-by-step explanation:

5 0
3 years ago
What's the name of the line segment in the diagram below?
tangare [24]
Correct!
The letter B


8 0
3 years ago
There are two college entrance exams that are often taken by students, Exam A and Exam B. The composite score on Exam A is appro
elena55 [62]

Answer:

B.The score on Exam A is better, because the percentile for the Exam A score is higher.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

Two exams. The exam that you did score better is the one in which you had a higher zscore.

The composite score on Exam A is approximately normally distributed with mean 20.1 and standard deviation 5.1.

This means that \mu = 20.1, \sigma = 5.1.

You scored 24 on Exam A. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{24 - 20.1}{5.1}

Z = 0.76

The composite score on Exam B is approximately normally distributed with mean 1031 and standard deviation 215.

This means that \mu = 1031, \sigma = 215.

You scored 1167 on Exam B, s:

Z = \frac{X - \mu}{\sigma}

Z = \frac{1167 - 1031}{215}

Z = 0.632

You had a better Z-score on exam A, so you did better on that exam.

The correct answer is:

B.The score on Exam A is better, because the percentile for the Exam A score is higher.

3 0
3 years ago
What’s the answer ? I’m stuck
Law Incorporation [45]
Angle M equals 45°
Angle N equals 15°
3 0
3 years ago
Solve the system of equations.
expeople1 [14]

Answer:(-5,-6)

Step-by-step explanation:

Solve for one variable then solve for the other. Don’t worry you will get a big fraction before you get to the whole number.

8 0
3 years ago
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