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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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Is (x+4)^2 equivalent to 2x^2+8x+8? Explain or show your reasoning.
Zolol [24]

Answer:

It's wrong because the y intercepts are different

Step-by-step explanation:

The box method is OP for these kind of questions

If I don't do a good job explaining it then I reccomend you consult the internet

8 0
3 years ago
HURRY PLZ
Oliga [24]

Answer:

6x + 2(−2x + 1) = 22

Step-by-step explanation:

6x + 2(−2x + 1) = 22

This step can be used to solve by substitution method.

8 0
3 years ago
Rational root theorem <br><br><br> f(x) = 2x4 – 9x2 +7
IRISSAK [1]

Answer: ±1,±1/2,±7,±7/2

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Find the quotient. (6x 2 - x - 40) ÷ (5 + 2x) 8 - 3x 3x + 8 3x - 8
Artyom0805 [142]

Answer:

The quotient is 3x-8

Step-by-step explanation:

(6x^2-x-40)÷ (5 + 2x)

The above equation can be written as

(6x^2-x-40)÷ (2x + 5)

The division is shown in the figure below.

The quotient is 3x-8

4 0
3 years ago
The perimeter of a rectangular field is 374 yard. If the length of the field is 99 yards, what is its width?
likoan [24]
The perimeter of a rectangle is 2*L+2*W. Knowing that length is 99, we do 2*99 to get 198.Do 374-198, which is 176, we know that that is twice the length of the width. Therefore the width is 176/2, which is 88.
3 0
3 years ago
Read 2 more answers
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