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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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false

Step-by-step explanation:

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Divide 6.391 ÷ 0.57. Round the quotient to the nearest hundredth.
Paul [167]
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3 years ago
Directions:Use the product rule to simplify the following monomials.
nadezda [96]

Answer: -12m^3n^3

Step-by-step explanation:

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=-\frac{1}{4}\cdot \:8mn\cdot \:6m^2n^2

=-\frac{1}{4}\cdot \:48mnm^2n^2

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6 0
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garri49 [273]

Answer:

33

Step-by-step explanation:

If m = Mother's age and d = daughter's age, we can make the following equations

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Now, using substitution, we can substitute m for 3d in the second equation:

3d + d = 44, 4d = 44, d = 11

Then, we can plug d into the first equation: m = 3(11) = 33

3 0
2 years ago
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