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Drupady [299]
4 years ago
12

Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3.

Mathematics
1 answer:
vaieri [72.5K]4 years ago
5 0
-2 since 86-92/3 = -6/3 which is -2
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Simplify the following expression : (2x + 7y) (x – 3y) – (9x + 4) (3x - 2)
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-25x^2+xy-21y^2+6x+8
8 0
3 years ago
The perimeter of a rectangular mat is 16 feet. It is 6 feet long. How wide is it?
dezoksy [38]

Answer:

2ft

Step-by-step explanation:

because perimeter of a rectangle formula is p=2(l+w)

7 0
3 years ago
The data in the table can be entered into a calculator to determine a linear equation of best fit where x represents the number
Yakvenalex [24]

Based on the data given, the conclusion that can be drawn from the correlation coefficient associated with the linear equation is C. There's a weak negative correlation between the variables.

<h3>How to illustrate the information?</h3>

From the information given, it can be seen that the value of y is increasing with the increase in the value of x.

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brainly.com/question/4219149

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7 0
2 years ago
What does powers of fractions mean <br> we learned it today and i didn't get it
Leokris [45]
Its same as powers of a whole number.
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4 0
3 years ago
Question:
Setler79 [48]
To find equivalent equations, you simply have to simplify both of these :)

a)  5/6(x - 6) + 1/6(3 - x)

Simplify.

5/6x - 5 + 1/2 - 1/6x

Add like terms.

(5/6x - 1/6x) + (-5 + 1/2)

Simplify.

4/6x +(-4.5)

Simplify.

2/3x - 4.5

b) (y + 7)4 + 8 - 5y

Simplify.

4y + 28 + 8 - 5y

Add like terms.

(4y - 5y) + (28 + 8)

Simplify.

-y + 36

~Hope I helped!~
4 0
3 years ago
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