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Nitella [24]
3 years ago
8

Is F=((x,y) | x+y=10 a function or a relation

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

that is a function man

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Rewrite 8 1/2 as an improper fraction ​
g100num [7]

Answer:

17/2

Step-by-step explanation:

8 × 2 = 16 adding 1 = 17

3 0
3 years ago
Area of 16+8×+×^2meters. What is the side length
wolverine [178]

Answer:

  x +4

Step-by-step explanation:

The trinomial x² +8x +16 is a perfect square trinomial, so factors as ...

  x² +8x +16 = (x +4)²

Assuming the side length is one of the factors of the given area, it will be ...

  side length = (x +4)

5 0
3 years ago
A new phone system was installed last year to help reduce the expense of personal calls that were being made by employees. Befor
Leya [2.2K]

Using the normal distribution, it is found that there was a 0.9579 = 95.79% probability of a month having a PCE between $575 and $790.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 700, \sigma = 50.

The probability of a month having a PCE between $575 and $790 is the <u>p-value of Z when X = 790 subtracted by the p-value of Z when X = 575</u>, hence:

X = 790:

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

Z = \frac{790 - 700}{50}

Z = 1.8

Z = 1.8 has a p-value of 0.9641.

X = 575:

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

Z = \frac{575 - 700}{50}

Z = -2.5

Z = -2.5 has a p-value of 0.0062.

0.9641 - 0.0062 = 0.9579.

0.9579 = 95.79% probability of a month having a PCE between $575 and $790.

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

3 0
2 years ago
Given a circle with measures of (C, d, and r) and a circle with measures of (C', d', and r), what is r if c/c’ = 5 and d' = 20?
PtichkaEL [24]
The answer to your problem is. C)50
7 0
3 years ago
Jason has "buy one get one free" tickets to the comedy club. He is bringing 7 people including himself. If the regular price is
vladimir2022 [97]
The answer is B; $ 59.00. All you have to do is multiply the price times 4 and then subtract that from 100. Then do it again and 59 should be your answer.
3 0
3 years ago
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