Answer:
The z-scores of both the mean and the median are zero.
Step-by-step explanation:
In a normal distribution, the mean and median values will be the same, in this case, 100. Therefore, both the mean and median will have the same score.
The z-score is given by:

For X = 100:

The z-scores of both the mean and the median are zero.
Coordinates
-18 + 19½ = 1½?
37½
Step-by-step explanation:
(18 × 2) + 1½ = 37½
Answer:
x=-4
Step-by-step explanation:
4x-(x+2)+6=2(3x+8)
4x-x-2+6=6x+16
3x+4=6x+16
4=6x-3x+16
4=3x+16
3x=4-16
3x=-12
x=-12/3
x=-4
Answer:
-2/-3
Step-by-step explanation:
The answer is x = 10, and it could alternatively be x = -10 depending on what topic this is and if negatives apply.
x^2 - 1 = 99
Add 1 to both sides.
x^2 = 100
Square root both sides
x = 10
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