Answer:
180/3 60 second
Step-by-step explanation:
21/7 = 3 feet per second
No solution for the quadratic equation because of the √-20
Answer:
The expected value of lateness
hours.
Step-by-step explanation:
The probability distribution of lateness is as follows:
Lateness P (Lateness)
On Time 4/5
1 Hour Late 1/10
2 Hours Late 1/20
3 Hours Late 1/20
The formula of expected value of a random variable is:

Compute the expected value of lateness as follows:


Thus, the expected value of lateness
hours.
30% is .3 so 20 times .3 is 6 extra miles so 30 plus 6 is 36 miles
Answer:
4
Step-by-step explanation:
use your fingers and count 2 fingers then put 2 more up and count how many u got then. boom u got 4