Concept explainers
( a )
To find:an expression for minutes an airplane has been descending if it has descended x feet.
( a )
Answer to Problem 27PT
sw
Explanation of Solution
Given information: An airplane descends 500 feet each minute when beginning to land..
Calculation:
An expression for minutes an airplane has been descending if it has descended x feet would be:
( b )
To find:total number of minutes an airplane has been descending if the plane has descended 9000 feet.
( b )
Answer to Problem 27PT
18 minutes.
Explanation of Solution
Given information: An airplane descends 500 feet each minute when beginning to land..
Calculation:
To find total number of minutes an airplane has been descending if the plane has descended 9000 feet, we need to divide 9000 feet by 500 feet to get:
Thus total number of minutes would be 18 minutes.
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