In the figure below, R = 5 cm, Q = 5 cm, and P = 8 cm. The figure consists of a small rectangle, a large rectangle, and one-four
th of a circle.
What is the total perimeter of the figure?
A.
28.85 cm
B.
57.4 cm
C.
33.85 cm
D.
18 cm
What is the total perimeter of the figure?
A.
28.85 cm
B.
57.4 cm
C.
33.85 cm
D.
18 cm
1 answer:
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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:
⇒
⇒
⇒