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DerKrebs [107]
3 years ago
14

What is a​ case-control study?

Mathematics
1 answer:
Viktor [21]3 years ago
7 0
A case-control study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute.
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Pls help will give brainly
mars1129 [50]

Answer:

-8

Step-by-step explanation:

Since x = -18, we use the top formula

f(-18) = (x-6)/3

        = (-18-6)/3

        = -24/3

       = -8

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Plz answer question in picture!!!!! will mark BRAINLEYST!!!!!! ​
valentina_108 [34]

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Step-by-step explanation:

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3 years ago
Peter bought 8 lemons for 6 dollars what is the cost of one lemon
Yuliya22 [10]
6 divided by 8 = 0.75
0.75+ 0.75+ 0.75+ 0.75+ 0.75+ 0.75+ 0.75+ 0.75= 6

So $0.75 is the amount per lemon
6 0
3 years ago
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How many solutions does the nonlinear system of equations graphed below have?
LenKa [72]

Answer:

2

Step-by-step explanation:

2 is the answer because the circle touches the line only 2 times.

Hope this helps.

8 0
3 years ago
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Can someone help me please?! :’)
zloy xaker [14]

Answer: ##########################

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