The mean = (3+1+2+2+2) / 5 = 10/5 = 2
subtract mean from each of the values
gives 1 -1 0 0 0
MAD = (1^1 + (-1)^2) / 5 = 2/5 = 0.4
A is the correct choice.
Answer:
8
Step-by-step explanation:
that;'s what i put the first time
Answer:
yes $56 is correct
Step-by-step explanation:
The 3 part of the ratio relates to $42 , then
$42 ÷ 3 = $14 ← value of 1 part of the ratio , then
4 parts = 4 × $14 = $56
Answer:
C -16x + 74/5
Step-by-step explanation:
2(x + 7) - 18x + (4/5)
Expand the brackets.
2x + 14 - 18x + (4/5)
Combine like terms.
(2x - 18x) + (14 + (4/5))
-16x + 14 4/5
Convert 14 4/5 to an improper fraction
14 4/5 = ((14 * 5) + 4) / 5 = 74 / 5
Answer = -16x + 74/5
