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dimulka [17.4K]
4 years ago
6

Which property can be used to show that 4r+3s+2r=6r+3s? Explain your answer.

Mathematics
1 answer:
riadik2000 [5.3K]4 years ago
4 0

Distributed property because this property allows u two put 4r+2r because this equation is also (4xr)+(2xr) since they have the same variable u can put them together 4+2 is 6 and then just multiply by r so it’s 6r. And let’s not forget about 3s it doesn’t have the same variable so you can do 6r+3s which is what u got and is the correct answer 6r+3s is simplified but it’s the same as 4r+3s+2r

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Answer:

The approximated value of the standard deviation is 0.35.

Step-by-step explanation:

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Then, the mean of the distribution of sample means is given by,

\mu_{\bar x}=\mu

And the standard deviation of the distribution of sample means is given by,

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

The information provided is:

<em>n</em> = 100

<em>σ</em> = 3.5

<em>μ</em> = 66

As the sample size is quite large, i.e. <em>n</em> = 100 > 30, the central limit theorem can be applied to approximate the sampling distribution of sample mean by the Normal distribution.

Then the approximated value of the standard deviation of sampling distribution of sample mean is:

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

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Thus, the approximated value of the standard deviation is 0.35.

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4 years ago
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Yuri [45]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

hope this helps

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Answer:

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Step-by-step explanation:

hope it helps...

have a great day!!

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