a.
To find: The value of
a.
Answer to Problem 48E
The value of
Explanation of Solution
Given:
The radio signals travel at
Calculation:
Here,
The value of
Therefore, the value of
b.
To find: The equation of the hyperbola indicated in red.
b.
Answer to Problem 48E
The equation of hyperbola is
Explanation of Solution
Given:
The given diagram is,
Calculation:
The equation of hyperbola is given by,
Here,
Substitute in the given formula,
Therefore, the equation of hyperbola is,
c.
To find: The distance of
c.
Answer to Problem 48E
The distance from the boat is
Explanation of Solution
Given:
The distance of
Calculation:
Here,
Substitute in the given formula,
To demonstrate this we use two methods, By the formula and by the distance formula.
The height of the boat is
Then by formula method,
Hence the coordinate is
Now by distance formula,
Therefore, the distance from the boat is
Chapter 11 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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