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lesya [120]
3 years ago
9

A sixth number will be added to the list. What must it be in order for the mean to be 12?

Mathematics
2 answers:
Nataliya [291]3 years ago
7 0
The sixth number should be 16 in order for the mean to be 12
Effectus [21]3 years ago
4 0

Answer:

16

Step-by-step explanation:

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Answer:

What do u mean

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S_A_V [24]

Answer: (3, \infty)

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Which statements are true? Check all that apply.
mariarad [96]

Answer:

A, B, and C

Step-by-step explanation:

A) We can see if this is a horizontal line if its slope is 0. Slope is change in y divided by change in x, so: slope = \frac{7-7}{3-(-2)} =\frac{0}{5} =0 . Thus, this is a horizontal line and the statement is correct.

B) Any equation of the form x = k, where k is a constant, will always be a straight line. Let's see if it goes through (-8, 3) by plugging in the values of -8 in for x and 3 in for y in the equation.

Clearly, we don't have a y, so we just put in the -8 for the x: -8 = -8. Since this is a true statement, we know that x = -8 does go through (-8, 3). So, this is a true statement.

C) We can see if this is a vertical line if its slope is undefined (for example, if the denominator is 0, it's undefined). Slope = \frac{5-(-7)}{0-0} =\frac{12}{0} = undefined. So, this is a vertical line and the statement is true.

D) As a basic fact, any point on a horizontal line will have the same y coordinate. However, their x coordinates may vary. Thus, the statement is false.

So, the answers are A, B, and C.

Hope this helps!

4 0
3 years ago
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Hi,

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the blue dotted line means the parent function was shifted 2 units down

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