To find:
The altitude of the submarine of the equation
Answer to Problem 50STP
The equations could be used to the altitude of the submarine after
So option (B) is correct
Explanation of Solution
Given:
The rate r is
And the time t for which is
Concept used:
The formula for distance travelled (in this case the distance a submarine descends) over a period of time t is
Calculation:
The formula for distance travelled (in this case the distance a submarine descends) over a period of time t is
Where d is the distance travelled (or descended) and r is the rate of travel and t is the time
The rate r is
And the time t for which is
Substitute these into the formula
The equations could be used to the altitude of the submarine after
So option (B) is correct
Chapter 2 Solutions
Pre-Algebra, Student Edition
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