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katrin [286]
2 years ago
10

Para la final del campeonato nacional de fútbol colombiano clasificaron cuatro equipos: Tolima, Once Caldas, Cúcuta y Equidad. E

scribe una pregunta para este contexto que se puede responder utilizando las permutaciones.
Mathematics
1 answer:
olganol [36]2 years ago
5 0

Usando la fórmula de arreglos, se encuentra que hay 24 resultados posibles para la clasificación final.

<h3>¿Cuál es la pregunta?</h3>

La pregunta es qual el numero de posible resultados para la clasificación final.

<h3>¿Cuál es la fórmula de los arreglos?</h3>

El número de arreglos posibles de n elementos viene dado por el factorial de n, es decir:

A_n = n!

En este problema, hay 4 equipos, así n = 4 e el número de resultados posibles para la clasificación final es dado por:

A_4 = 4! = 24

Puede-se aprender más a cerca de la fórmula de arreglos en brainly.com/question/24648661

#SPJ1

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Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

A circle with center (-2,-4) and radius 5 represents all the points whose distance from the point (-2,-4) is 5.

Standard form of a circle is

(x-h)^2+(y-k)^2=r^2

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(x-(-2))^2+(y-(-4))^2=(5)^2

(x+2)^2+(y+2)^2=25

Now, put x=2.

(2+2)^2+(y+2)^2=25

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(y+2)^2=25-16

(y+2)^2=9

Taking square root on both sides.

y+2=\pm\sqrt{9}

y+2=\pm3

y+2=-3\text{ or }y+2=3

y=-5\text{ or }y=1

So, the y-coordinates of the points are -5 and 1.

Therefore, the required points are (2,-5) and (2,1).

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