Answer:
-1.75
Step-by-step explanation:
The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.
= (13 - 20) / 4
= -1.75 (answer)
Multiply by the reciprocal
-5/6 x -2/1
The negatives cancel, giving you a positive answer:
10/6
Simplified to 5/3 or 1 and 2/3 if you use mixed fractions.
X=-7
That’s the really answer
First part is easy.
180 rows with 328 per row is 180x328=59,040
Now he says 15 hours. So 59040/15=3936
Answer:
x=12
Step-by-step explanation:
x-5 = 7
Add 5 on both the sides of the equation,
x-5+5 = 7+5
x = 12
