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irga5000 [103]
2 years ago
11

Find the value of x.

Mathematics
1 answer:
PIT_PIT [208]2 years ago
4 0

Answer:

Step-by-step explanation:

180 = 7x +2  + 7x + 2  + 180 - (17x -23)

180 = 14x +4 + 180 -17x +23

180 = -3x +207

3x = 27

x = 9

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−45(9x−20)−3x=45x−6 Enter the value of x that makes this equation true.
NARA [144]

Answer x=2

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Will a large-sample confidence interval be valid if the population from which the sample is taken is not normally distributed? e
Dovator [93]

A normal distribution is a type of continuous probability distribution for a real-valued random variable in statistics.

Yes, the large-sample confidence interval will be valid.

<h3>What is meant by normal distribution?</h3>

A normal distribution is a type of continuous probability distribution for a real-valued random variable in statistics.

The normal distribution, also known as the Gaussian distribution, is a symmetric probability distribution about the mean, indicating that data near the mean occur more frequently than data far from the mean.

The confidence interval will be valid regardless of the shape of the population distribution as long as the sample is large enough to satisfy the central limit theorem.

<h3>What does a large sample confidence interval for  a population mean?</h3>

A sample is considered large when n ≥ 30.

By 'valid', it means that the confidence interval procedure has a 95% chance of producing an interval that contains the population parameter.

To learn more about normal distribution, refer to:

brainly.com/question/23418254

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8 0
1 year ago
Choose all the expressions that are equal to 5/9 multiply 8
Lesechka [4]

Answer:

4.44

Step-by-step explanation:

the real answer is 4.44444444444

5 0
2 years ago
-8+5w^4=28 what is w=
Murljashka [212]

Answer:

w = ±\sqrt[4]{36/5}

Step-by-step explanation:

-8+5w^4=28

You can regroup it:

5w^4 - 8 = 28

Add 8 to both side:

5w^4 = 28 + 8

5w^4 = 36

Divide both side by 5:

5w^4/5 = 36/5

w^4 = 36/5

Take the 4 root of both sides:

w = ±\sqrt[4]{36/5}

Hope this help you :3

3 0
3 years ago
Read 2 more answers
How to work out the volume of a cone?
Romashka [77]
Volume of a cone = πr²h/3. π=3.14 R=radius. hope this helps you :)
4 0
3 years ago
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