3 years ago

In verbal expression

Mathematics

1 answer:

AlladinOne [14]3 years ago

8 0

Variable squared minus negative 2

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If we have a square with an area of 75 square meters, what would the side length be?

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trust me the answer is C

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Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years. A study wa

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Answer:

The null hypothesis is $H_0: \mu = 2.5$ .

The alternative hypothesis is $H_1: \mu > 2.5$

Step-by-step explanation:

Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years.

At the null hypothesis, we test if the mean is of 2.5 years, that is:

$H_0: \mu = 2.5$

A study was then done to see if the mean time has increased in the new century.

At the alternative hypothesis, we test if the mean has increased, that is, if it is above 2.5 years. So

$H_1: \mu > 2.5$

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Step-by-step explanation:

9/3

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Suppose you are finding 296 divided by 4 using partial quotients. Is 50 or 70 a more reasonable partial quotient? Explain.

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Round 296 up to 300 and then divide 300 by 4 mentally. Answer: 75. Which is a more reasonable partial quotient, 50 or 70?

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BillieÍs monthly cell phone bill includes the cost of cell phone service, 15% tax on the cost of the cell phone service, and a $

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X - <span>the cost of cell phone service before tax is added

</span> $x+15\%x+9.25=61
\\x+ 0.15x=61-9.25
\\1.15x=51.75
\\x= \frac{51.75}{1.15}
\\x= 45$ <span>
</span>

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