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Nookie1986 [14]
4 years ago
15

Solve:5x-4/3=7 show your work

Mathematics
2 answers:
lawyer [7]4 years ago
5 0
Cancel out -4/3 by adding 4/3
Then add 4/3 to 7 giving you 7 4/3
divide 7 4/3 by 5 giving you 1 2/3 or 5/3
Studentka2010 [4]4 years ago
4 0
Cancel out -4/3 by adding the opposite essentially by adding 3/4 in this case
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URGENT! Solve for x.
Blababa [14]

Answer:

x=100 pls mark as brainliest

Step-by-step explanation:

3 0
3 years ago
true or false If x represents a random variable with mean 114 and standard deviation 40, then the standard deviation of the samp
Goshia [24]

Answer:

\mu = 114, \sigma = 40

We also know that we select a sample size of n =100 and on this case since the sample size is higher than 30 we can apply the central limit theorem and the distribution for the sample mean would be given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard deviation for the sampling distribution would be:

\sigma_{\bar X}= \frac{40}{\sqrt{100}}= 4

So then the answer is TRUE

Step-by-step explanation:

Let X the random variable of interest and we know that the true mean and deviation for this case are given by:

\mu = 114, \sigma = 40

We also know that we select a sample size of n =100 and on this case since the sample size is higher than 30 we can apply the central limit theorem and the distribution for the sample mean would be given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

And the standard deviation for the sampling distribution would be:

\sigma_{\bar X}= \frac{40}{\sqrt{100}}= 4

So then the answer is TRUE

6 0
3 years ago
Which of the following questions describes the equation m - 4 = 7?
Aliun [14]
A means this 4-m = 7
B is the answer
c means this 7-m =4
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3 years ago
Read 2 more answers
the line x=3 is the axis of symmetry for the graph of a parabola. if the parabola contains the points (5,-3) and (4,9), what is
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a.  How many floors are between the seventh and fifteenth floors?

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3 years ago
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