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kvv77 [185]
3 years ago
11

Janelle is conducting an experiment to determine whether a new medication is effective in reducing sneezing. She finds 1,000 vol

unteers with sneezing issues and divides them into two groups. The control group does not receive any medication; the treatment group receives the medication. The patients in the treatment group show reduced signs of sneezing. What can Janelle conclude from this experiment?
Mathematics
1 answer:
Sonja [21]3 years ago
8 0

Answer:Janelle can conclude that it helps sneezing but she should have more trials to make sure the results are accurate and also put in a placebo to reduce bias.

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Between 20 and 28 students signed up for the chess club. The students could not be divided exactly into groups of 2,3,4 or 5. Ho
Artemon [7]
23

Those are not the answer: 
1) 20 - can be divided by 2
2) 21 - can be divided by 3
3) 22 - can be divided by 2
4) 24 - can be divided by 2 and 4.
5) 25 - can be divided by 5
6) 26 - can be divided by 2
7) 27 - can be divided by 3
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8 0
3 years ago
The answer, and work shown.
hoa [83]
Slope= 1/2
Y intercept= (0,2)

Explanation:
Slope-intercept form is y=mx+b
-2x+4y=8
-8-2x=-4y
Divide by -4
2+1/2x=y

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5 0
3 years ago
Best explained and correct answer gets brainliest.
cestrela7 [59]
It'd be B) because to make a triangle the sum of two sides has to be greater than the third side. 3+4=7, and 7>5, so...<span>voilà</span>
6 0
3 years ago
What is 5.9 as a mixed number and a improper fraction?
denis23 [38]

Answer:

Improper Fraction- 5.9= 59/10

Mixed number-  5 9/10

Step-by-step explanation:

7 0
3 years ago
If a car travels 55 miles per hour, how long will it have traveled if it travels 110 miles?
kotykmax [81]

Answer:

2 hours

Step-by-step explanation:

5 0
3 years ago
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