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3 years ago

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Which number line shows the graph of –3? A. number line from minus7 to 7 with point at minus4 B. number line from minus7 to 7 wi

th point at minus3 C. number line from minus7 to 7 with point at minus2 D. number line from minus7 to 7 with point at minus2

1 answer:

pogonyaev3 years ago

6 0

I would have to say B. hope this helps

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What does y equal in 30+6y=7(y+6)-5

kirill [66]

Answer:

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Step-by-step explanation:

0+6y=7(y+6)-5

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6y=7y+37

-1y=37

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3 years ago

The average cost of tuition, room and board at small private liberal arts colleges is reported to be $8,500 per term, but a fina

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Answer:

The test statistic for this test is 3.82.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 8500$

The alternate hypotesis is:

$H_{1} > 8500$

Our test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this question:

$X = 8745, \mu = 8500, \sigma = 1200, n = 350$

So

$t = \frac{8745 - 8500}{\frac{1200}{\sqrt{350}}} = 3.82$

The test statistic for this test is 3.82.

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4 years ago

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tino4ka555 [31]

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Answer:

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Step-by-step explanation:

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