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jeka57 [31]
2 years ago
12

Dr. Johnson is studying the effects of alcohol consumption on memory. He randomly assigns people to four groups. Three groups co

nsume varying amounts of alcohol, and one group is given only soft drinks. This research design is called a(n) ________.
Mathematics
1 answer:
Hunter-Best [27]2 years ago
8 0

Answer:

Experiment

Step-by-step explanation:

I'm guessing ill look it up later in a dictionary, if its wrong, report the answer.

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A percent is a ratio of the ________ to the _______.
riadik2000 [5.3K]

Answer:

A percent is a ratio of the parts to the whole

Step-by-step explanation:

If you had 30/100, 30% as a percentage, 30 would be the parts and 100 would be the whole

7 0
2 years ago
In a class of pupils, 11 play the flute and piano.
Natali5045456 [20]

Answer:

The answer is 29

Step-by-step explanation:

11+10+5+3=29

5 0
3 years ago
Is the following relation a function? (
PolarNik [594]
No, because there are TWO values of y for a certain value of x

say x=5, then y=2 and y=-2

That does not satisfy the concept of the function.
4 0
3 years ago
Read 2 more answers
There is a spinner with 12 equal areas, numbered 1 through 12. If the spinner is spun
Tomtit [17]

Answer:

1/12

Step-by-step explanation:

There is only number between 1 and 12 that is both a multiple of 5 and 2, that being 10. 10 has an equal chance out of all the other numbers that can be spun, and there are 12 numbers, so 10 has a 1/12 chance of being spun.

6 0
3 years ago
Solve for x. 0.6x = 1.2x + 6
hichkok12 [17]

Step-by-step explanation:

0.6x- 1.2x = 6

-0.6x = 6

x = 6/0.6

x = -10

8 0
2 years ago
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