4. A salesperson must visit 5 stops within the same city, each connected by travel routes taking with different travel times. The routes are shown below in the graph represented by the edges between stops and the travel times are on top of the appropriate edge. a. If the salesperson starts at stop D in the morning and must return to stop D at the end of their day, find the shortest travel time that would allow for travel to the remaining four stops exactly once. b. The salesperson decides that they want to travel for exactly 72 minutes. Find a circuit that will allow them to visit each stop exactly once traveling for exactly 72 minutes. A 25 E 18 B D
4. A salesperson must visit 5 stops within the same city, each connected by travel routes taking with different travel times. The routes are shown below in the graph represented by the edges between stops and the travel times are on top of the appropriate edge. a. If the salesperson starts at stop D in the morning and must return to stop D at the end of their day, find the shortest travel time that would allow for travel to the remaining four stops exactly once. b. The salesperson decides that they want to travel for exactly 72 minutes. Find a circuit that will allow them to visit each stop exactly once traveling for exactly 72 minutes. A 25 E 18 B D
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Math Questions 4 and 5
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Transcribed Image Text:4. A salesperson must visit 5 stops within the same city, each connected by travel routes taking with
different travel times. The routes are shown below in the graph represented by the edges between stops
and the travel times are on top of the appropriate edge.
a. If the salesperson starts at stop D in the
morning and must return to stop D at the
end of their day, find the shortest travel
time that would allow for travel to the
remaining four stops exactly once.
b. The salesperson decides that they want to
travel for exactly 72 minutes. Find a
circuit that will allow them to visit each
stop exactly once traveling for exactly 72
minutes.
25
E
1/8
B
a. A student registered for both a science course and a language course?
b. A student registered for a science course?
c. A student registered for neither a science course nor a language course?
d. A student registered for exactly one of the two types of courses?
D
5. The registrar reported that among 600 students, 517 registered for either a science or a language course,
267 registered for a science course and 392 registered for a language course.
What is the probability that:
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