Answer:
Step-by-step explanation:
The volume formula for a cylinder is B*h
B : the area of the base
h : the height
Cylinder 1
The volume is 8pi
Cylinder 2
The volume is 32pi
Cylinder 3
The volume is 72pi
Answer:
20=5*-3+x or 20=-15+x or 35=x
Answer:
-2.5
Step-by-step explanation:
-30 + (-15) + (-20) + 55 = -10. Then you divide it by how many numbers there are (4). Which equals - 2.5. If this is wrong, then round up to -3.
Answer:
The expected revenue of an airline ticket sold by this travel website is $408
Step-by-step explanation:
For the revenues per ticket we have;
airline A; 600
airline B; 360
For the probability of choosing the airlines we have;
airline A; 20% = 0.2
airline B; 80% = 0.8
Therefore, the expected revenue of an airline ticket sold by this travel website is;
600(0.2) + 360(0.8) = 408
Therefore, the expected revenue of an airline ticket sold by this travel website is $408