Answer:7
Step-by-step explanation:
from -4.5 to 0 is 4.5
from 0 to 2.5 is 2.5
4.5 +2.5=7
Answer:
0 cm³
Step-by-step explanation:
the lost of water =
(5×24)/12 x 1/10 × 18000
= 10/10 × 18000 = 18,000 cm³
so, the remaining water in the tub=
18,000 - 18,000 = 0 cm³
(the tub is empty)
Answer:
you ouldw get hi,m to 1tdh73n,(6wh+2ufd) 2/56
Step-by-step explanation:
Answer:
b. 9.2 minutes
Step-by-step explanation:
To find the expected waiting time for a random call from the sampie given by using the formula:

number of calls (x) waiting time f(x) in minutes f(x) *(x)
0 0 0
2 3 6
4 10 40
6 15 90
8 10 80
10 6 60

Therefore:

