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Nataly_w [17]
3 years ago
5

In slope intercept form, write the equation of the line passing through the points (-3.4) and (-4.2).

Mathematics
1 answer:
Oliga [24]3 years ago
6 0

Answer: hi I 4 my broter wa in thi ap

Step-by-step explanation:

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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
What fraction of 20 is 18?
Vera_Pavlovna [14]

Remark

You have to read this carefully to know what way to write it.

One way you could write it would be

20 * x = 18 where x is  the fraction. Now all you need do is divide.

Divide both sides by 20

20/20 * x = 18/20

\text{x = } \dfrac{18}{20}

But you should reduce this fraction. The way to do that is to factor 18 and 20 into primes.

18: 2 * 3 * 3

20: 2 * 2 *5

Cancel out the Highest common factor or 2.

You are left with

\text{x = } \dfrac{18}{20} =\dfrac{2*3*3}{2*2*5}=\dfrac{3*3}{2*5} = \dfrac{9}{10} <<<< Answer

4 0
3 years ago
Read 2 more answers
4 students did a survey to find the soda flavor 6th grade students prefer. The table below shows the method each student used to
nexus9112 [7]
Jeese since she only ask 6th graders which is the subject of the survey and she ask at random so she doesnt show any bias
6 0
3 years ago
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If the ratio of sugar to flour is 10:3 and you use 70 ounces of sugar how many ounces of flour would you need to use?
olga_2 [115]
10+3=13
70/13=5.384615385
5.384615385*3= 16.15384615
So you would use 16 ounces of flour to 2 sig figs
6 0
3 years ago
Has parallel sides but is not a trapezoid
dybincka [34]
<u><em>Parallelogram </em></u>
If you need more help I would be glad to help!:D
~"AB84"~
7 0
3 years ago
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