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kherson [118]
3 years ago
5

First answer correct gets brainleist

Mathematics
1 answer:
MaRussiya [10]3 years ago
8 0
The answer for this equation is going to be: -14x^4y^2
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The answer to this question is 3744
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Read 2 more answers
A. True/False
ra1l [238]

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True

Step-by-step explanation:

x^{2} -6x=9

subtract 9 from both sides

x^{2} -6x-9

<em>plz mark me brainliest.</em> ;)

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There is a telephone wire pole of 25 ft which has a support wire of 24ft
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Step-by-step explanation:

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4 years ago
An 8-foot ladder is leaning against a wall. The top of the ladder is 5.5 feet from the ground.
Kobotan [32]

my guess would be c. but id wait for someone else to answer just to be sure

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3 years ago
The mean is 47.1 and the standard deviation is 9.5 for a population. Using the Central Limit Theorem, what is the standard devia
MaRussiya [10]

Answer:

The standard deviation of the distribution of sample means for samples of size 60 is of 1.2264.

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.

Standard deviation is 9.5 for a population.

This means that \sigma = 9.5

Sample of 60:

This means that n = 60

What is the standard deviation of the distribution of sample means for samples of size 60?

s = \frac{\sigma}{\sqrt{n}} = \frac{9.5}{\sqrt{60}} = 1.2264

The standard deviation of the distribution of sample means for samples of size 60 is of 1.2264.

4 0
3 years ago
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