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Harrizon [31]
2 years ago
5

From 2010 to 2015, a group of researchers conducted an experiment using two types of pain medication: pill A and pill B. The res

earchers gave the doctors the pills in unidentified packages so they would not know which package was pill A and which package was pill B. The patients participating did not know which pill they received either. What is this an example of?
a Group of answer choices

b The effect of a treatment unit

c The placebo effect

d A control group study

e A double-blind study

f Voluntary response bias
Mathematics
2 answers:
Elis [28]2 years ago
5 0

Answer:

b i think im wrong but i tried..

Step-by-step explanation:

Lera25 [3.4K]2 years ago
5 0

Answer:

My best choice would be e

Step-by-step explanation:

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Find the center and radius of (x-4)2 + (y+2)2 = 32
Trava [24]

Step-by-step explanation:

General equation of the circle with center (h,k) and radius r,

(x-h)²+(y-k)²=r²

Therefore, on comparison

center ( 4, -2)

radius r= 4√2

6 0
2 years ago
The difference of the product of 3 and 6 minus the quotient of 6 divided by 2
Xelga [282]

Answer:

15

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3*6 - 6/2

18 - 3

15

4 0
2 years ago
Y = 5/x/+2 <br> Does it compress up 2 or stretch up 2
Dmitriy789 [7]

Answer:

It compresses up 2

Step-by-step explanation:

6 0
3 years ago
What is the value of x in the equation below?<br> 12 – 2(x-1)=6
JulijaS [17]
X=25 in this equation. But if u divide by 12 it’s -25
5 0
2 years ago
Read 2 more answers
PLEASE HELP!!!
Paladinen [302]

Answer:

d (w) = 0.1w² – w+ 5

Step-by-step explanation:

d(w) = c(w) - a(w)

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= 0.1w²-w+5

4 0
2 years ago
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