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Likurg_2 [28]
2 years ago
14

A friend of yours, a senior, took the Graduate Record Exam in September and scored in the 99th percentile. InFebruary, your frie

nd took the same exam over again. This time your friend scored in the 90th percentile. As aresearch methods student, you told your friend that his/her lowered score was most likely due to: differential selection. compensation rivalry. testing. demoralization. statistical regression
Mathematics
1 answer:
Alecsey [184]2 years ago
3 0

Answer:

"differential selection"

Step-by-step explanation:

If your friend took the test twice and passed both times with a score above 90% then the minor difference in price is most likely due to "differential selection". The first test had  questions that he had a little more experience in solving, while the second time he was most likely given a couple questions that he wasn't as prepared for as he was the first time. This is most likely the cause for the difference in percentiles.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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A pizza parlor charges $18 for a plain pizza and charges $0.75 for each additional topping.
Georgia [21]

Answer:

the last one

Step-by-step explanation:

well you have 18 pizzas total, and each topping is 0.75. so let's say u want two toppings you would do 75 ×2 and so on, you would label the question

Y= 0.75x + 18

5 0
3 years ago
0.8 divided by 0.64.
gizmo_the_mogwai [7]
IT's just a simple conversion.
.
Ok. So, when you divide with decimal places, you have two options - 
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Suck it up and divide, or move the decimal places to the right as many times as needed, until the number is a whole number. 
.
Choosing to move the decimal places to the right is the easy way out... 
.
So?
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Move decimal point to the right two places in both numbers!!
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80 and 64.
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So what is 80/64?
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You got it!!
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1.25.
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Hope I helped!!
8 0
3 years ago
Read 2 more answers
Help me
frosja888 [35]
I don’t know if this is right but the way I did it I got 7.5
3 0
2 years ago
Read 2 more answers
Need Very Soon Will Give Brainliest!!!!!
morpeh [17]

The like terms are:

12x and 8x - they have the same variables

8, 55, 3, and 180 - they are all regular numbers (if you know what I mean)

6 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through (4,8)and (4,6) write the equation in slope intercept form
Marianna [84]

Answer:

x = 4

Step-by-step explanation:

If you were to plot the given points, you would quickly see that this is a vertical line where x = 4 (a visual is always a good place to start).  

Vertical lines have a slope that is undefined and are written in the form of x = .

If you had plugged into the slope formula m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} } , where (x_{1}, y_{1}) is (4, 8) and (x_{2}, y_{2}) is (4,6) the result would be as follows:

m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }

    = \frac{6 - 8}{4 - 4}

    = \frac{-2}{0}

Because you can not divide by 0, the slope is in fact undefined.

3 0
1 year ago
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