2 years ago

Anybody knows how to do this please help!!!

Mathematics

1 answer:

lozanna [386]2 years ago

5 0

Answer:

Which problem exactly?

Step-by-step explanation:

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9. A small airplane is 60 miles from the airport and is going down for landing with some angle of depression. However its naviga

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Answer:

13.98 degrees

Step-by-step explanation:

Let the airplane be at point A, the airport at point B and the point of overshoot, point C.

If the plane is on path AC and the pilot wants to adjust to the path AB, the angle by which the pilot will adjust the airplane heading is the angle between AB and AC which is A.

Using Cosine Rule

$Cos A=\dfrac{b^2+c^2-a^2}{2bc} \\Cos A=\dfrac{65^2+60^2-16^2}{2(65)(60)} \\Cos A=0.9704\\A=arcCos (0.9704)\\\angle A=13.98^\circ$

The pilot should adjust the plane's heading by 13.98 degrees.

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Step-by-step explanation:

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1.Which equation gives the direct variation if y=8 when x=2?

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