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Anuta_ua [19.1K]
3 years ago
13

Two number differ by 9. the sum of their square is 653. what are the numbers?​

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

22 & 13

Step-by-step explanation:

let the two numbers be 22 and 13

22-13=9

sum of their square =653

(22^2+13^2)=653

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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
Find the value of x and y.
emmasim [6.3K]

Answer:

x=100 degrees

y=50 degrees

size doesn't cange angles

Step-by-step explanation:

3 0
3 years ago
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Solnce55 [7]

Answer:

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Step-by-step explanation:

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The left part says that

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c - r = 120 - t

Right part says that (t + r) - (0 + c) = 90 = t + r - c

c - r = t - 90

120 - t = t - 90

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6 0
3 years ago
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Angelina_Jolie [31]

Wouldn't this literally just be 96 or am I stupid.

4 0
3 years ago
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puteri [66]

Answer:

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Step-by-step explanation:

Because:

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(0,3). (2,2)

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_____

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Hope this helps! Have a great day!

7 0
3 years ago
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