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kolezko [41]
2 years ago
6

What is the acceleration of an object in air that has a velocity of Om/s?

Mathematics
1 answer:
pochemuha2 years ago
5 0

Answer:

9.8m/s^2

Step-by-step explanation:

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A study claims that the combination of vitamin C with vitamin E is more effective for preventing the flu than vitamin C alone. I
victus00 [196]

1) In this study, the control group is the first group of 310 subjects that were instructed to take only 600 mg daily of vitamin C. (Option C; that is, group 1).

2) The study is not Blind (Option C).

In an experimental setup to test a theory, A control group is the set of experimental participants that the theory to be tested isn't applied upon.

In the case of testing a new treatment, the control group is the group that the new treatment isn't administered.

For this question, the experiment was set up to test the effectiveness of a combination of vitamin A and vitamin E in treating flu cases rather than using vitamin C alone. Group A is the only group that only the old treatment alone is applied to; group 1 participants received no dosage of the new combination of treatments to be tested involving vitamins A and E, unlike the two other groups.

It is obvious now why the experimental participants of group 1 are the control group.

2) A blind experiment/study is one in which the participants don't know which group they belong to, whether they are in the control group or the other experimental group. Like in this case, if this was a blind study, the participants wouldn't know which group they belonged to or which treatment is administered to them.

A double-blind experiment/study is one in which both the conductors of the experiment and the participants in the experiment wouldn't know which group any participant is in. The conductors wouldn't know which participants were in the control or treatment group and the participants too wouldn't have an idea whether they are in the control or treatment group.

To learn more about the vitamin visit: brainly.com/question/24324739

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3 0
1 year ago
In the circle graph, what is the measure of the central angle for corn?
KatRina [158]

multiply the percentage of the corn by 360 degrees

15% × 360° = 54°

5 0
3 years ago
Read 2 more answers
What expression is equivalent to 4x?<br> 3x + x<br> 2x + 2 <br> 4 + x<br> 8x - 4 <br> x + x + x + x
Anestetic [448]
All of those are equivalent to 4x
5 0
2 years ago
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6x + y = -1<br> -6x - 4y = 4<br> solve for x and solve for y
melisa1 [442]

9514 1404 393

Answer:

  (x, y) = (0, -1)

Step-by-step explanation:

The coefficients of x are opposites, so we can eliminate x by adding the two equations.

  (6x +y) +(-6x -4y) = (-1) +(4)

  -3y = 3 . . . . simplify

  y = -1 . . . . . . divide by -3

Now, we need to find x.

  6x -1 = -1 . . . substitute for y in the first equation

  6x = 0 . . . . . add 1

  x = 0 . . . . . . divide by 6

The solution is (x, y) = (0, -1).

5 0
3 years ago
What is the answer to this equation?<br><img src="https://tex.z-dn.net/?f=4%20%5Ctimes%20%20%2B%2012%20%20%5Cleqslant%20%20-%208
Drupady [299]
If this is a true or false question the answer is falso but if the x is a variable the answer is x<-5
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2 years ago
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