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frez [133]
3 years ago
15

........ 15=y/3+16...........

Mathematics
1 answer:
Leona [35]3 years ago
3 0
Y is equal to -3
...........
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Step-by-step explanation:

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How do I solve this using the Pythagorean theorem and leaving it in radical form ?
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4 years ago
The months of the year are written on cards and dropped into a box. Gretchen selects a card without looking.
kkurt [141]

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Step-by-step explanation:

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3 years ago
Is the environment a major issue with Americans? To answer that question, a researcher conducts a survey of 1255 randomly select
Furkat [3]

Answer:

The point estimate of this proportion is \pi = 0.5857

The 95% confidence interval to estimate the proportion of Americans who feel that the environment is a major issue with them is (0.5584, 0.6130).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 1255, \pi = \frac{735}{1255} = 0.5857

The point estimate of this proportion is \pi = 0.5857

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5857 - 1.96\sqrt{\frac{0.5857*0.4143}{1255}} = 0.5584

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5857 + 1.96\sqrt{\frac{0.5857*0.4143}{1255}} = 0.6130

The 95% confidence interval to estimate the proportion of Americans who feel that the environment is a major issue with them is (0.5584, 0.6130).

7 0
3 years ago
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The circumcenter is the center of the __________ circle.
yKpoI14uk [10]

Answer:

congruent

Step-by-step explanation:

6 0
3 years ago
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