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docker41 [41]
3 years ago
6

Determine whether the description corresponds to an observational study or an experiment.Research is conducted to determine if t

here is a relation between stomach cancer and alcohol consumption.
Mathematics
1 answer:
Maslowich3 years ago
8 0

Answer:

Observational

Step-by-step explanation:

Observational studies are studies that measure the outcome of events without the introduction of interventions. They are useful in the formation of a hypothesis. The experiment described above is an observational study that compares two groups so as to measure the predictors of an outcome. No intervention is introduced to influence the outcome of the research.

An experiment on the other hand is often organized as a randomized control trial where subjects are divided into groups and a placebo or control group is introduced to monitor the outcome of the study.

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What is y in this equation 6x+5y=-15
marishachu [46]

Answer:

y= -3 -6x/5

Step-by-step explanation:

6x+5y=-15

-6x          -6x

-----------------------------------

5y = -15 - 6x

divide both sides by 5

5y/5= -15/5 - 6x/5

y= -3 -6x/5

5 0
3 years ago
Read 2 more answers
In order to solve for the variable in the equation 2 (x + 3) + 5 x = 3 (2 x minus 1), Jaleesa begins by applying the distributiv
LekaFEV [45]

Answer:

7x + 6 = 6x - 3

Step-by-step explanation:

2(x+3) + 5x = 3(2x-1)

Distribute

2x + 6 + 5x = 6x - 3

Combine like terms

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hope this helps

4 0
2 years ago
Select all the sets of numbers that are possible values for x in the inequality, x>- 2.
lana66690 [7]

Answer:

{-1, 0,5}

Step-by-step explanation:

3 0
2 years ago
Mr. Abraham is 36 years old. His wife is 6 years younger than him and their son is 24 years old younger than his wife. What is t
sesenic [268]
Hi!
We know that Mr. Abraham’s wife is 6 years younger than him, which is 36-6, which means his wife is 30 years old.

We also know that Mr A’s son is 24 years younger than his wife, which is 30-24, which is 6.

As of right now, we now know that:
Mr. A is 36
Mr. A’s wife is 30
Mr. A’s son is 6

It’s asking for the ratio of Him:Wife:Son, so 36:30:6.

BUT, it’s asking for simplest form, so divide each of those numbers by 6.

Your answer is: 6:5:1
8 0
3 years ago
Ava surveyed the students in her homeroom about their footwear. She found that 12 students were wearing sneakers, 4 students wer
Lilit [14]
2 students wearing sneakers and 1 student wearing dress shoes
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3 years ago
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