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Anon25 [30]
3 years ago
5

What is the slope and y-intercept of a vertical line

Mathematics
1 answer:
klio [65]3 years ago
6 0
Vertical line has undefined slope <span>because all points on the line have the same x-coordinate.

and vertical line will never cross y axis so will not have y intercept</span>
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Varvara68 [4.7K]

Answer:

Yes, there is enough evidence to say the proportions are the same.

Step-by-step explanation:

Null hypothesis: The proportions are the same.

Alternate hypothesis: The proportions are not the same.

Data given:

p1 = 51% = 0.51

n1 = 200

p2 = 48% = 0.48

n2 = 150

pooled proportion (p) = (n1p1 + n2p2) ÷ (n1 + n2) = (200×0.51 + 150×0.48) ÷ (200 + 150) = 174 ÷ 350 = 0.497

Test statistic (z) = (p1 - p2) ÷ sqrt[p(1-p)(1/n1 + 1/n2) = (0.51 - 0.48) ÷ sqrt[0.497(1-0.497)(1/200 + 1/150)] = 0.03 ÷ 0.054 = 0.556

The test is a two-tailed test. At 0.10 significance level the critical values -1.645 and 1.645

Conclusion:

Fail to reject the null hypothesis because the test statistic 0.556 falls within the region bounded by the critical values.

8 0
2 years ago
Which number line shows the solutions to<br> 1/2x – 2 &gt; 0?
Anna007 [38]

Answer:

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Step-by-step explanation:

6 0
2 years ago
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Valentin [98]

Answer:

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Step-by-step explanation:

The prices are

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8 0
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2.22 ÷ 3 = 0.74

7 0
3 years ago
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Answer:

You can choose one senator in 2 ways from the first of the 3 states; in 2 independent ways from the second of the 3 states; and in 2 independent ways from the third of the 3 states.

Step-by-step explanation:

So the answer to that question is 2*2*2*19600 which = 156800 way

Step-by-step explanation:

8 0
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