Concept explainers
To find: speed of each person travelling.
Answer to Problem 9P
The speed of Cindy is
Explanation of Solution
Given information:
Cindy is travelling to west with the speed of
Formula:
Pythagoras theorem
The
Calculation:
Consider the speed of Olaf be
After one hour, they both are
Recall that the Pythagoras theorem
Therefore
Recall that quadratic equation where
Therefore the speed of Olaf be
Chapter 12 Solutions
Algebra: Structure And Method, Book 1
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