Answer:
He works 75% of the year
Step-by-step explanation: 9/12 as a fraction is 75/100, so the answer is 75%
Answer:
91=-2
Step-by-step explanation:
I dont really understand how you wrote the question ;/
Answer:
50 Miles per hour
Step-by-step explanation:
To find the average speed divide the distance by the time it took to cover that distance
400/8=50
So the bus traveled 50 miles per hour on average.
Answer:
Step-by-step explanation:
162, 188, 197, 201, 266
a. add all number: 1014/ 5 = 202.8
b. 266-162 = 104
c. for each number subtract the mean and square the result.
1664.64+219.04+33.64+3.24+3994.24
= 5914.8/5 = 591.48
d. square root of variance
= 24.32
e. i don't know this one because i need the number of people in the family
