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Mrac [35]
3 years ago
8

Given 4/ (-2 - 6sin(theta)) What type of directrix does this conic have?

Mathematics
1 answer:
atroni [7]3 years ago
6 0

Answer:

a horizontal line

Step-by-step explanation:

The hyperbola opens vertically, so the directrix is a horizontal line (a different one for each branch).

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A survey of 35 people was conducted to compare their self-reported height to their actual height. The difference between reporte
monitta

Answer:

The test statistic is t = 3.36.

Step-by-step explanation:

You're testing the claim that the mean difference is greater than 0.7.

At the null hypothesis, we test if it is 0.7 or less, that is:

H_0: \mu \leq 0.7

At the alternate hypothesis, we test if it is greater than 0.7, that is:

H_1: \mu > 0.7

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

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

0.7 is tested at the null hypothesis:

This means that \mu = 0.7

Survey of 35 people. From the sample, the mean difference was 0.95, with a standard deviation of 0.44.

This means that n = 35, X = 0.95, s = 0.44

Calculate the test statistic

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{0.95 - 0.7}{\frac{0.44}{\sqrt{35}}}

t = 3.36

The test statistic is t = 3.36.

7 0
3 years ago
How did the growth of the United states threaten Spain's hold on Texas ​
lilavasa [31]

Answer:

the western  boundary included the rio grande river

Step-by-step explanation:

go back in the secion 3 video it explains it

5 0
3 years ago
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Each circle below represents 1 cup of granola. Cody has 8 equal shares of granola. The shaded part of the fraction model represe
umka2103 [35]

Answer:

Step-by-step explanation:

4 0
3 years ago
What is the distributive property for 9(72)
spayn [35]

9(72)= 648 will be your answer to solve this problem but 9 is your distributive property


8 0
3 years ago
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Divide 18 in two parts so that sum of their reciprocals is 2/5
inn [45]

Answer:

3.6

Step-by-step explanation:

I think that is the answer but im not 100 percent sure

4 0
2 years ago
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