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love history [14]
3 years ago
5

Please solve the proof

Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0

Answer:

\pi \pi \neq x^{2}

\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]\lim_{n \to \infty} a_n

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A important study in the history of case-control methods was completed in 1950 by Doll & Hill. This study found that 647 of
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Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of smoking cigarettes.a.Name the type of study. Case control studyb.Create the appropriate 2X2 table for the study. (2 points)Lung CancerControlsSmokers647622Nonsmokers227Total649649c.Calculate the appropriate measure of association for the study. (4 points)The odds ratio: Cases = 647 / 2 = 323.5The odds ratio: Control = 622 / 27 = 23.03The odds ratio = 23.03 / 323.5 = 14.04 d.Interpret the results. (2 points)Smokers are 14 times more likely to develop lung cancer than non-smokers.

Step-by-step explanation:

3 0
4 years ago
A quadrilateral is a four sided polygon. True False
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True

_____
"quad" is a prefix meaning 4.
"lateral" refers to sides.

"Quadrilateral" means "4-sided".
3 0
3 years ago
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Suppose you just purchased a digital music player and have put 15 tracks on it. After listening to them you decide that you like
Lilit [14]
The given case is an example of permutation problem because the order is important given that you should like the first two songs. The sample space is calculated through the equation, 
                                       15P2 = 210
Then, there are 3 songs that you liked, the probability of picking 2 out of them is,
                                         3P2 = 6
Dividing the latter by the earlier result will give us an answer of 1/35. 
8 0
3 years ago
What will happen if pressure is increased?
Anika [276]

Answer:

the equilibrium will shift towards the side

3 0
3 years ago
There are 364 students who are enrolled in an introductory biology course. If there are five boys to every eight girls, how many
Butoxors [25]

Answer:

The number of boys in the course will be = 140

Step-by-step explanation:

Given:

Total number of students enrolled in an introductory biology course = 364

There are 5 boys to every 8 girls in the course.

To find how many boys are in the course.

Solution:

Since, there are 5 boys to every 8 girls in the course.

So, ratio of boys to girls enrolled in the course = 5 : 8

Let the number of boys in the course be = 5x

Then number of girls in the course will be =  8x

Total number of students would be given as:

⇒ <em>Number of boys + Number of girls</em>

⇒ 5x+8x

⇒ 13x

Total number of students given = 364.

Thus, we have:

13x=364

solving for x

Dividing both sides by 13.

\frac{13x}{13}=\frac{364}{13}

∴ x=28

So, number of boys in the course will be = 5\times 28 = 140

5 0
3 years ago
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