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sveta [45]
3 years ago
11

After factoring out the effect of other variables known to affect SAT, such as socioeconomic status, researchers found that musi

c students had a higher SAT score than non-music students. This is an example of __________.1. None of the other answers is correct2. Observational Study3. Comparative study
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0

Answer:

fghjnkml

Step-by-step explanation:

happy thanksgiving!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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One, no, or infinitely many solutions
rusak2 [61]

Answer:

Only one solution

Step-by-step explanation:

Given:

2c + 4 - 3c = -9 + c + 5

Find:

Number of solution

Computation:

2c + 4 - 3c = -9 + c + 5

-c + 4 = -4 + c

-2c = -8

c = 4

Only one solution

6 0
3 years ago
Mancuso wants to draw a sector whose area is 2 times the area of the sector shown
Alecsey [184]

Answer:

Multiply the radius (r), by 2 then divide the angle measure, x, by 4.

Step-by-step explanation:

7 0
3 years ago
Please help lol
natka813 [3]

Answer:

the opposite of a positive number is always negative

4 0
2 years ago
Which explains how to determine 40% of 50?
valkas [14]
Multiply 50 by .4 or .40. Both give the same answer, which is 20.
8 0
3 years ago
Can u answer the attachment plz Math 20 points
Doss [256]
If you mean for the last one:
Triangle area=1/2bh
=1/2(4)(3x-5y)

Area of rectangle=l•w
=8(6x-y)

So combing them you get:
[(1/2)(4)(3x-5)]+[8(6x-y)]
Simplify: [8(3x+5)]+48x-8y
=24x+40+48x-8y
=72x-8y+40

You'd have to be given x and y to find a true value
7 0
2 years ago
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