Answer:
63
Step-by-step explanation:
The formula to when given the number of standard deviations below the mean x =μ - nσ
Where:
x = raw score
μ is the population mean = 75
σ is the population standard deviation = 8.
n = number of standard deviations below the mean
Hence
x = 75 - 1.5 × 8
x = 75 - 12
x = 63
Therefore, Andrey's exam score is 63
5(2a-6) = 10a-30 you would just multiply 2a and -6 by 5
There ya go. And really hate this required word limit.
Answer:
x=2
Step-by-step explanation:
Answer:
CD with the line bar over it ↔
DC with the line bar over it ↔
Step-by-step explanation:
There are two possible names for the line
CD with the line bar over it ↔
DC with the line bar over it ↔
We need the line bar over it to indicate it is a line and not a line segment. A line goes on infinitely in both directions while a line segment stops