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11111nata11111 [884]
2 years ago
13

Pls answer immediately I need help pls

Mathematics
2 answers:
nignag [31]2 years ago
7 0

Answer:

Step-by-step explanation:

2^{3}*2^{4}= 2^{3+4} = 2^{7} = 128

In exponents multiplication, if bases are same, we have to add the only  the powers

nekit [7.7K]2 years ago
3 0

Answer:

2^3*2^4=4^7 is wrong.

Step-by-step explanation:

2^3*2^4=2^7

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The answer to this is c. y=2x-6
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3 years ago
2. Suppose over several years of offering AP Statistics, a high school finds that final exam scores are normally distributed wit
nirvana33 [79]

Answer:

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

Step-by-step explanation:

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 78 and a standard deviation of 6

This means that \mu = 78, \sigma = 6

Samples of n:

This means that the standard deviation is:

s = \frac{\sigma}{\sqrt{n}} = \frac{6}{\sqrt{n}}

What are the mean, standard deviation, and shape of the distribution of x-bar for n?

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

6 0
3 years ago
What is the next term of the geometric sequence?<br> 2,−10,50,...
OleMash [197]

Answer:

-250

Step-by-step explanation:

I don't know for sure but I hope it's correct.

6 0
3 years ago
Read 2 more answers
An automobile factory,1849 parts are made in 4 hours.what is the average rate at which parts are made per hour?
MAXImum [283]

Answer:

There are 462.25 parts being made per hour

Step-by-step explanation:

<u>Step 1:  Make an equation</u>

An automobile factory, 1849 parts are made in 4 hours.

<em>1849 / 4 = x</em>

<em />

<u>Step 2:  Solve</u>

1849 / 4 = x

<em>462.25 = x</em>

<em />

Answer:  There are 462.25 parts being made per hour

7 0
3 years ago
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Plz help pretty easy
cricket20 [7]

a and d b and c that's the answer

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3 years ago
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