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Andre45 [30]
3 years ago
10

Sam is testing the effectiveness of a new cough medication. There are 100 people with a cough in the study. Thirty patients rece

ived the cough medication, and 70 other
patients did not receive treatment. Seventeen of the patients who received the medication reported no cough at the end of the study. Twenty-eight of the patients who did
not receive medication reported no cough at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that
they reported no cough?

Mathematics
2 answers:
Tcecarenko [31]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Fynjy0 [20]3 years ago
7 0

Answer:

The answer is C: 38%

Step-by-step explanation:

i got it right on the test :)

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Algebraic expression for “six more than the quantity d times two.”
marusya05 [52]

Answer:

6 + (d * 2)

Step-by-step explanation:

You are adding 6 to the equation after the amount d times 2. In that case, a parentheses is required to round up d * 2.

6 0
2 years ago
Evaluate tan(Sin-1(-5/13)). Answer as a fraction please.
dangina [55]

Using pythagorean identities,tan(sin^-1(-5/13))= tan(arcsin(-5/13))

Let A = arcsin(-5/13) = -arcsin(5/13)

Thus, sin A = -5/13 and cos A = sqrt(1 - (5/13)^2) = 12/13.= tan(A)= sin(A) / cos(A)= -5/13 / (12/13)= -5/12


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

3 0
4 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
Irina18 [472]
Well if the perimeter is 36in, then divide by 6 sides (the prefix hex- means six) to get 6. Don't forget your unit of measurement to be 6in of each side. It would be nice to have the picture though so if you could suply me with that it would help out.
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=538%20%5Ctimes%204%20%5C%5C%20%20%5C%5C%20214%20%5Ctimes%208%20%5C%5C%20%20%5C%5C%203721%20%5C
Shalnov [3]

Answer:

Step-by-step explanation:

multiply (538)(4)=2152\\(214)(8)=1712\\(3721)(7)=26047\\(7956)(8)=63648

7 0
3 years ago
86,456 estimation is?
goblinko [34]
I think around... 87,000
6 0
3 years ago
Read 2 more answers
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