The answer is 20, since it’s heads and tails you have a half and half chance, therefore you divide 40 in half and get 20
The lcm of 6 and 7 is 42.
Answer:
-1.36
Step-by-step explanation:
(-4^2/0.8-3)/10×-4/5=-1.36
you do 0.72 + 1.65 which is equal to 2.37 so the answer is 2.37 miles
-hope this helps
Answer:
The appropriate solution is:
(1) 22.81 minutes
(2) 0.171
Step-by-step explanation:
According to the question, the values will be:
The service rate of guess will be:
= 
= 
The mean arrival rate will be:


The mean service rate will be:

(1)
The average time a cab must wait will be:
⇒ 
⇒ 
⇒ 
⇒ 
(2)
The required probability will be:
⇒ 
⇒ 
⇒ 