3 years ago

When adding numbers can you move them around? A. yes B. no

Mathematics

1 answer:

oee [108]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

The law lets us move all of the addends around in any addition problem.

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3 years ago

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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

Vlada [557]

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:

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

The test statistic for this test is 3.82.

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4 years ago

PLEASE HELP!! Solve. 5=15x−3 Enter your answer in the box. x=

patriot [66]

x = 1/120

i did not see the comment about the 1/5 until now

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3 years ago

jorge jogged the trail to the waterfall at 120 yard/min and walked back at 80 yards/min if the entire trip took 2 hours, how lon

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4 years ago

Round 4,317 to the nearest ten

Dafna11 [192]

Answer:

4,320

Step-by-step explanation:

7 is closer to 10 then 0. 4,310 + 10 = 4,320

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3 years ago