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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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fran found this expression in her cookbook. 1/3 divided by 2.write a scenario that explains the expression and solve
mars1129 [50]
This may help:

There are \frac{1}{3} gallons of lemonade.
 
Two friends share the lemonade.

What fraction of the lemonade does each friend receive?

To solve you do kcf or keep change flip.

You keep \frac{1}{3} and change division to multiplication.

Then \frac{2}{1} is changed to \frac{1}{2}

<span>The answer would be </span>\frac{1}{6}

Hope That Helps!
4 0
3 years ago
A boat traveled 308 miles each way downstream and back. The trip downstream took 11 hours. The trip back took 22 hours. Find the
photoshop1234 [79]

Answer:

speed of boat is 12 miles per hour and the speed of current is 9 miles per hour

Step-by-step explanation:

8 0
3 years ago
How do you describe how to turn 2/3 into a decimal.
Dimas [21]
So basically... you divide the 3 to 2 and that's how you get the decimal. The decimal is... 0.666666666667
5 0
3 years ago
Read 2 more answers
What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm? Use 3.14 to approximate pi. A)18.84 c
sp2606 [1]
I say A but you probably arnt gonna trust my answers again...gd luck!! xx
7 0
3 years ago
In order to estimate the mean amount of time computer users spend on the internet each​ month, how many computer users must be s
levacccp [35]

Answer:

1877 computer users

Step-by-step explanation:

We have that for 95% of confident, the value of z has a value of 1.96 (attached table about it), they also mention the margin of error (E) that is 10 and finally the standard deviation (sd) that has a value of 221.

We apply the following formula:

n = [z * sd / E] ^ 2

replacing:

n = [1.96 * 221/10] ^ 2

n = 1876.27

that is, the minimum sample size is 1877

7 0
3 years ago
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