An airplane pilot sights a life raft at a 26° angle of depression. The airplane's altitude

Mathematics

1 answer:

Mamont248 [21]4 years ago

7 0

Answer:

Choice B. 6 km.

Step-by-step explanation:

We see this is a right triangle.

The height of this right triangle is 3 km and the angle adjacent to the height leg of the triangle is (90 - 26 ) degrees = 64 degrees.

We want the distance d which is the leg opposite 64 degrees.

tan 64 = d / 3 km ;

d = 3 * tan 64 = 3 * 2.0503038 km = 6.1509 km

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Triangle ABC maps to triangle A′B′C′ by a 90∘ rotation counterclockwise about the origin.

Tresset [83]

The answer is 90 units hope this helps

7 0

3 years ago

How do I do this? Please explain in detail.

umka2103 [35]

22.5/(x-6) + 22.5/(x+6) = 9
multiply by x-6
=> (x-6)22.5/(x-6) + (x-6)22.5/(x+6) = 9(x-6)
=> 22.5 + (x-6)22.5/(x+6) = 9(x-6)
multiply by x+6
=> (x+6)22.5 + (x+6)(x-6)22.5/(x+6) = 9(x-6)(x+6)
=> (x+6)22.5 + (x-6)22.5 = 9(x-6)(x+6)
distribute
=> 22.5x+6(22.5) + 22.5x - 6(22.5) = 9(x^2 - 36)
=> 45x = 9x^2 - 9(36)
=> 0 = 9x^2 - 45x - 9(36)
divide by 9
=> 0 = x^2 - 5x - 36
=> 0 = x^2 - 5x - 36
=> 0 = (x - 9)(x + 4)
x=9 and -4

8 0

3 years ago

Read 2 more answers

IN (3)

svetoff [14.1K]

Answer:

(a) Rule: Multiply the input (x) by 2 and add 5 to the result of the product

(b) $y =2x +5$