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3 years ago

7

A Plane is flying at an altitude of 11,000 meters. from the pilot the angle of depression to the airport tower is 22 degrees, ho

w far is the tower from a point directly beneath the airplane

1 answer:

Lisa [10]3 years ago

4 0

Check the picture below.

make sure your calculator is in Degree mode.

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Answer:

The vertex is the point (6,-31)

Step-by-step explanation:

we have

$f(x)=x^2-12x+5$

This is a vertical parabola open upward

The vertex represent a minimum

Convert to vertex form

Complete the square

$f(x)=(x^2-12x+6^2)+5-6^2$

$f(x)=(x^2-12x+36)-31$

Rewrite as perfect squares

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therefore

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