At a point 30 m away from the base of a building, the angle of elevation to the top of a billboard on the roof of the building is 68º. The angle of elevation to the bottom of the
billboard is 65º. Determine the height of the billboard. Round to the nearest tenth.

At a point 30 m away from the base of a building, the angle of elevation to the top of a

billboar

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Ответ:

orlando19882000

22.03.2021

Mathematics

The null hypothesis should be $H_0: \mu = 12$

The alternate hypothesis should be $H_1: \mu \neq 12$

Step-by-step explanation:

You wondered if the sugar content in energy drinks is really the same as labeled in the products. The disclosure on Red Bull 12 oz.

At the null hypothesis, we test if the sugar content is the same labeled, that is:

$H_0: \mu = 12$

At the alternate hypothesis, we test if the sugar context is different from the labeled, that is, different of 12.

$H_1: \mu \neq 12$

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At a point 30 m away from the base of a building, the angle of elevation to the top of a billboard on the roof of the building is 68º. The angle of elevation to the bottom of the billboard is 65º. Determine the height of the billboard. Round to the nearest tenth.