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3 years ago

Need help asap brain;y

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

8 0

Answer:

Step-by-step explanation:

Pick a point on the triangle and move it down until it lines up with its red counterpart. Then move the same point over until it lines up with the red counterpart completely. In conclusion, the answer is (x,y) -> (x+4,y-4) or A

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A person is standing 50 ft from a statue. The person looks up at an angle of elevation of 8 degrees when staring at the top of t

borishaifa [10]

The height of the statue is 19.5 feet.

Why?

We can solve the problem using trigonometric formulas. In this case, we are going to use the trigonometric formula of the tangent.

We know that the person is standing 50ft from the statue, so, it will be the base of the two triangles formed by both angles (elevation and depression)

Using the trignometric formula, we have:

First triangle:

$tg(\alpha )=\frac{h_{1}}{base} \\\\tg(8\°)=\frac{h_{1}}{50ft}\\\\0.14*50ft=h_1\\\\h_1=7ft$

Second triangle:

$tg(\alpha )=\frac{h_{2}}{base} \\\\tg(14\°)=\frac{h_{1}}{50ft}\\\\0.25*50ft=h_1\\\\h_1=12.5ft$

Now, the total height of the statue will be:

$TotalHeight=h_1+h_2=7ft+12.5ft\\\\TotalHeight=19.5ft$

Have a nice day!

8 0

3 years ago

Find the area of the shape shown below.

mina [271]

Answer:

28 square units

Step-by-step explanation:

8 0

3 years ago

If the following is a monomial, write it in standard form.

Sati [7]

Answer:

Monomial; Standard form: 18a^2b^2

Step-by-step explanation:

$6 {a}^{2} 3 {b}^{2} = 6 \times 3 {a}^{2} {b}^{2} = 18{a}^{2} {b}^{2} \\$

8 0

3 years ago

When pointing A(-6. - 12) is reflected over the y-axis to get point B, what are the

Fudgin [204]

Answer:

Step-by-step explanation:

under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

A (- 6, - 12 ) → B (6, - 12 )

4 0

2 years ago

A ladder leaning against a building makes an angle of 78 degrees with the ground. The foot of the ladder is 5 feet from the buil

tatiyna

9514 1404 393

Answer:

24 feet

Step-by-step explanation:

The side adjacent to the angle is given, and the hypotenuse of the triangle is the unknown. The cosine relation applies:

Cos = Adjacent/Hypotenuse

hypotenuse = ladder length = (5 ft)/cos(78°) ≈ 24.0 ft

The ladder is about 24 feet long.

4 0

3 years ago