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Shkiper50 [21]
3 years ago
15

A person whose eyes are 5 feet above the ground is standing on the runway of an airport 100 feet from the control tower. That pe

rson spots one of the air traffic controller at the window of the 132 foot tall tower. What is the angle of elevation to the nearest tenth of a degree?
Mathematics
1 answer:
Dahasolnce [82]3 years ago
4 0

Answer:

132-5 therefore the height from the eyes to the window is 127

100 feet away from the base of the tower  

This forms two legs of a triangle

trying to find the degrees of this triangle.

Since its the two legs, you can use tanx which = to opposite side/adjacent side

Therefore, it is tanx = 127/100

But you are looking for x so arctan(1.27)

Must use calculator to find x.

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The answer is .07 × 695 = 48.65
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3 years ago
A rectangular shaped pond is 16 meters long and 14 meters wide. The dimensions of a rectangular shaped lake nearby is 350%
aalyn [17]

Answer: 56 meters long and 49 meters wide

Step-by-step explanation:

Convert 350% to a decimal. 350% is 3.5. Each lenth is 3.5x larger than the original pond.

16*(3.5) =56 meters length

14*(3.5) = 49 meters width

56 meters long and 49 meters wide

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A painting company will paint this wall of a building. The owner gives him the following dimensions.
Masja [62]

The given area of the 52\frac{1}{2} ft. by 33 ft. wall less the areas of the Windows and the Door give the area of the painted part of the wall as  \underline{1642\frac{9}{16}} ft.²

<h3>How can the area of the painted part be calculated?</h3>

The area of the painted part of the wall is \underline{1642\frac{9}{16}} ft.²

The given dimensions of the wall are;

The width of the wall = 52\frac{1}{2} ft.

The height of the wall = 33 ft.

The painted area = Area of the wall - (Area of the widows + The door)

Which gives;

52\frac{1}{2} \times 33 - \left(6\frac{1}{4} \times 5\frac{3}{4} + 3\frac{1}{8} \times 4 + 9\frac{1}{2}  + 4 \times 8 \right) = \mathbf{ 1642 \frac{9}{16}}

The area of the painted part of the wall is \underline{1642\frac{9}{16}} ft.²

Learn more about the area of a rectangle here:

brainly.com/question/18101587

7 0
3 years ago
I NEED AN EXPERT ON SURFACE AREAS..Ill give extra points and brainless​
natta225 [31]

Answer:

60 is the area

Step-by-step explanation:

you just mult 12x5

7 0
3 years ago
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Simplify the ratio:<br> 18,750 : 216 =
aleksandr82 [10.1K]
The ratio to this problem is 750:216
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3 years ago
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