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Simora [160]
3 years ago
10

-4= m- 17 plz help me out plz

Mathematics
2 answers:
taurus [48]3 years ago
6 0
m=13. All you have to do is add 17 on both sides of the equation
AfilCa [17]3 years ago
6 0
M is equal to 13 because 13 - 17 would give you an end result of -4. You can check this by doing -4+17 which would give you an answer of 13. Hope this helps!
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A customer service representative earns $13 an hour, and he works 52 hours a week. What is his weekly wage? A. $91 B. $364 C. $6
leva [86]



I'm pretty sure its c
You just multiply 13 and 52


















4 0
3 years ago
The mean height of women in a country (ages 20-29) is 64 4 inches A random sample of 50 women in this age group is selected What
Simora [160]

Answer:

0.0721 = 7.21% probability that the mean height for the sample is greater than 65 inches.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 64.4 inches, standard deviation of 2.91

This means that \mu = 64.4, \sigma = 2.91

Sample of 50 women

This means that n = 50, s = \frac{2.91}{\sqrt{50}}

What is the probability that the mean height for the sample is greater than 65 inches?

This is 1 subtracted by the p-value of Z when X = 65. So

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

By the Central Limit Theorem

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

Z = \frac{65 - 64.4}{\frac{2.91}{\sqrt{50}}}

Z = 1.46

Z = 1.46 has a p-value of 0.9279

1 - 0.9279 = 0.0721

0.0721 = 7.21% probability that the mean height for the sample is greater than 65 inches.

8 0
2 years ago
Given the figure, if ∠ABC is 20° and C is the center of the circle, what is the measure of the central angle ∠ACB? A) 40° B) 70°
kramer

Answer:

D) 140°

Step-by-step explanation:

The total number of degrees in a triangle is 180. Since both sides of the triangle are the radius of the circle, the triangle is isosceles. Therefore the two opposite angles are equal. Thus, the central angle is 180° − 2(20°) = 140°.

7 0
3 years ago
Read 2 more answers
What would you use to measure the distance from new York to chicago using metric measurements
DedPeter [7]

Answer:

kilometers

1 mile is 1.600km

7 0
3 years ago
Read 2 more answers
For a school fundraiser, Elena will make T-shirts. She will order T-shirts and print graphics on them. Elena must spend $350 on
daser333 [38]

Answer:

Elena can make 150 t-shirts

Step-by-step explanation:

  1. Find the amount <em>after </em>she buys the printing machine. $1,175-$350=$825
  2. Divide by the cost per t-shirt $825÷$5.50=150 t-shirts
  3. Final answer: 150 t-shirts
7 0
3 years ago
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