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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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Solve for x. 2/x-3=x/12-4x
QveST [7]

Answer:

x=  47 18+2  201  i  ≈0.382978723+0.603295612i x=  47 −2  201  i+18  ≈0.382978723−0.603295612i  Hopefully this makes just the same amount of sense as this question

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3 years ago
Gary jogs 2/3 of a mile in 1/3 of an hour. how many mipes can he jog in 1 hour?
cricket20 [7]
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8 0
4 years ago
Please answer!!!! will make brainliest!!!
hammer [34]

Answer:

B

Step-by-step explanation:

1.

  • 3(x+3) - 2 < 4
  • 3x + 9 -2 < 4
  • 3x < 4-7
  • 3x < - 3
  • x < -1
  • x = (-oo, -1)

2.

  • 1 - x ≤ -1
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Correct choice is B.

7 0
3 years ago
In which town does the total number have meaning
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This question is incomplete, please provide more information!
5 0
3 years ago
Cylinder A has radius r, height h, and a volume of 10pi cubic units. Cylinder B has twice the radius and twice the height.
viva [34]

Answer:

Step-by-step explanation:

10 = r²h

(2r)²(2h) = 16r²h

volume of B is 1.6 times the volume of A

4 0
3 years ago
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