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Montano1993 [528]
3 years ago
11

Select the choice that has the correct area and perimeter for the figure .

Mathematics
1 answer:
laila [671]3 years ago
8 0

Answer: B

Step-by-step explanation:

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Point (-4, -5) is located which quadrant?
jeka94

Answer:

D) Quadrant III

Step-by-step explanation:

The point (-4, -5) is located in the 3rd quadrant, in which both the x axis and the y axis are negative.

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2 years ago
PLEASE HELP ASAP ILL MARK YOU AS Brainliest
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Well atleast I tried
Here you go:

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What is the combined length of 5/8
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5/8 + 5/8 + 5/8 = 15/8 = 1 7/8 inches.
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How many time bigger is 700 than 7 ?
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8 0
3 years ago
UCF is a major Metropolitan University located in Orlando Florida. UCF is advertising their bachelor in Economics with the stati
ludmilkaskok [199]

Answer:

There is not enough evidence to suggest that mean starting salary of a graduate with a bachelor in economics is different from $48,500.

Step-by-step explanation:

In this case we need to test whether the mean starting salary of a graduate with a bachelor in economics is $48,500.

The information provided are:

\bar x=\$43350\\s=\$15000\\n=50\\\alpha =0.01

The hypothesis for the test can be defined as follows:

<em>H</em>₀: The mean starting salary of a graduate with a bachelor in economics is $48,500, i.e. <em>μ</em> = 48500.

<em>Hₐ</em>: The mean starting salary of a graduate with a bachelor in economics is different from $48,500, i.e. <em>μ</em> ≠ 48500.

As the population standard deviation is not known we will use a t-test for single mean.

Compute the test statistic value as follows:

 t=\frac{\bar x-\mu}{s/\sqrt{n}}

   =\frac{43350-48500}{15000/\sqrt{50}}\\\\=-2.42773\\\\\approx -2.43

Thus, the test statistic value is -2.43.

Compute the p-value of the test as follows:

 p-value=2\times P(t_{49}>-2.43)=0.0188

*Use a t-table.

Thus, the p-value of the test is 0.0188.

Decision rule:

If the p-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

p-value = 0.0188 > α = 0.01

The null hypothesis will not be rejected at 1% level of significance.

Thus, concluding that there is not enough evidence to suggest that mean starting salary of a graduate with a bachelor in economics is different from $48,500.

3 0
3 years ago
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