(a)
To calculate: The speed of the athlete running in miles per hour.
(a)
Answer to Problem 4P
The required speed of the athlete is
Explanation of Solution
Given information:
The athlete ran total 100 ft in 3.2 second.
Formula Used:
Calculation:
It is known that
Thus,
Similarly
Thus,
Now, find the speed, use the formula
Hence, the required speed of the athlete is
(b)
To calculate: The speed of the athlete.
(b)
Answer to Problem 4P
The multiplication factor
Explanation of Solution
Given information:
The conversion factors are
Calculation:
From 4a. the speed in miles per hour is
Since,
Thus, to convert in yards per minutes, the value should be multiplied by
Similarly, to convert in
Hence, the multiplication factor
Chapter 2 Solutions
High School Math 2011 Algebra 1 Student Companion Grade 8/9
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