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forsale [732]
3 years ago
5

PLEASE HELP will mark brainliest! 10 points

Mathematics
1 answer:
Alik [6]3 years ago
4 0

Answer:

(D)

Step-by-step explanation:

Angles 2 & 6 are called corresponding angles in the diagram and they are congruent if the lines c & d are parallel. Since they are, that means lines c & d are parallel.

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En la final de un concurso escolar de
Sati [7]

Usando la distribución hipergeométrica,  la probabilidad de que los alumnos del colegio A obtengan los dos premios (no hay empates), es: 0.2 = 20%.

<h3>¿Qué es la fórmula de distribución hipergeométrica?</h3>

La fórmula es:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

C_{n,x} = \frac{n!}{x!(n-x)!}

Los parámetros son:

  • x es el número de éxitos.
  • N es el tamaño de la población.
  • n es el tamaño de la muestra.
  • k es el número total de resultados deseados.

Los valores de los parámetros son:

N = 6, k = 3, n = 2.

La probabilidad de que los alumnos del colegio A obtengan los dos premios (no hay empates), es P(X = 2), por eso:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

P(X = 2) = h(2,6,2,3) = \frac{C_{3,2}C_{3,0}}{C_{6,2}} = 0.2

Puede-se aprender más a cerca de la distribución hipergeométrica en brainly.com/question/24826394

#SPJ1

4 0
2 years ago
Sum of two number is 27. One number is 3 more than the other number
vekshin1
X + y = 27

y = x + 3

x + (x+ 3) = 27

2x + 3 = 27
2x + 3 (-3) = 27 (-3)
2x/2 = 24/2
x = 12

x + 3 = y
12 + 3 = y
y = 15

x = 12, y = 15

hope this helps
5 0
4 years ago
Need this for my math test?
docker41 [41]

Answer:

519.6

Step-by-step explanation:

A hexagon has a total of 720 for it's interior angles so each angle is 120 and in the triangle, each of them is 60, making it an equilateral triangle. You can use 30 60 90 triangles to find the height which is 5√3.

(5√3)*10=50√3

The area of the triangle times 6 is 300√3 which is approximately 519.6

7 0
3 years ago
Sally needs to find the circumference of a circle with a diameter of 20 inches. She uses a calculator to find the circumference.
Vlad1618 [11]

Circumference = pi*diameter

C = pi*20

C = 20pi

When I used my calculator to compute 20*pi, I get approximately 62.83185

This is somewhat close to what choice C is saying. The difference is that choice C has an extra 1 buried inside it. I'm not sure if your teacher made a typo.

7 0
3 years ago
Read 2 more answers
What is half of 3 5/10?
Lemur [1.5K]
3 5/10 = 35/10

Therefore, (35/10)/2
= 35/20 
5 0
4 years ago
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