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AleksAgata [21]
3 years ago
8

Need ASAP plz help!! These are the numbers you use. 15 27 28 31 34 42 52

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

im sorry but did you ever get the answer?


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✔ Desde un supermercado, se observa el ático de un rascacielos de 527 metros de altura bajo un ángulo de 42°. Calcular la distan
Goryan [66]

Answer:

La distancia desde el supermercado hasta la puerta del rascacielos es de 585,29 metros

Step-by-step explanation:

Dado que la altura del ático = 527 metros

El ángulo de elevación de la vista = 42 °

Tomamos la posición de la persona que ve el rascacielos en el supermercado, el ático del rascacielos y la base del rascacielos directamente frente a la persona, formando los vértices de un triángulo rectángulo ABC, respectivamente.

Por lo tanto;

AB = Línea de visión desde la persona hasta el ático.

BC = La altura del rascacielos = 527 metros

AC = La distancia desde el supermercado hasta la puerta del rascacielos.

De lo cual se nos da, ∠BAC = 42 °

Por lo tanto, ∠ACB = 90 ° y el ángulo de depresión desde el ático del rascacielos hasta la persona en el supermercado ∠ABC = 180 ° - 90 ° - 42 ° = 48 °

De la regla senoidal, tenemos;

\dfrac{BC}{sin(\angle BAC)} =\dfrac{527}{sin(42^{\circ})} = \dfrac{AC}{sin(\angle BAC))} = \dfrac{AC}{sin(48^{\circ})}

Lo que da;

AC = \dfrac{527 \times sin(48^{\circ}) }{sin(42^{\circ})}= 585.29 \ metros

Por lo tanto;

La distancia desde el supermercado hasta la puerta del rascacielos = 585,29 metros.

4 0
3 years ago
A jacket used to cost $54. After a 40% discount, what is the new cost of the jacket?
8090 [49]

Im pretty sure its $32.4

Step-by-step explanation:

6 0
3 years ago
4. Use the diagram below to answer the question
ludmilkaskok [199]

Answer:

≈ 397 m

Step-by-step explanation:

Using Pythagoras' identity on the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Let h represent the height of the balloon above ground, then

h² + 50² = 400², that is

h² + 2500 = 160000 ( subtract 2500 from both sides )

h² = 157500 ( take the square root of both sides )

h ≈ 397 m ( to the nearest metre )

4 0
3 years ago
Solve the equation. 4n - 18 = 52
zalisa [80]
The answer is 35/2 (fraction)
4 0
3 years ago
Read 2 more answers
A right prism with rhombus bases is shown. The side length of each rhombus is 5 units. The height of the prism is 16 units. The
Papessa [141]
Volume of the prism:
V = B · h, where B stays for the area of the base and h stays for the height of the prism. And we know that d1 = 8, d2 = 6
B = ( d1 · d2 ) / 2 = ( 8 · 6 ) / 2 = 48 / 2 = 24
V = 24 · 16  = 384
Answer:
The volume of the prism is 384 cubic units.

5 0
3 years ago
Read 2 more answers
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