Mathematics: G(x)=− 4 x 2 +7g, left parenthesis, x, right parenthesis, equals, minus, start fraction, x, squared, divided by, 4, end fraction, plus, 7 Over which interval does ggg have a negative average rate of change? Choose 1 Choose 1 (Choice A) A [0,4][0,4]open bracket, 0, comma, 4, close bracket (Choice B) B [-2,0][−2,0]open bracket, minus, 2, comma, 0, close bracket (Choice C) C [-4,-2][−4,−2]open bracket, minus, 4, comma, minus, 2, close bracket (Choice D) D [-8,-4][−8,−4]

G(x)=− 4 x 2 +7g, left parenthesis, x, right parenthesis,

Ответ:

240662

14.05.2023

Mathematics

h = 221.7 m

Step-by-step explanation:

It is given that,

An observer (O) is located 400 feet from a building (B). The observer notices a kite (K) flying at a 29° angle of elevation from his line of sight. We need to find how high is the kite flying over the building?

The attached figure shows the whole scenario. It means we need to find the value of h.

Using trigonometry as follows :

$\tan(29)=\dfrac{h}{400}\\\\h=400\times \tan(29)\\\\h=221.7\ m$

So, the bird is flying at a height of 221.7 m over the building.

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