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weqwewe [10]
4 years ago
12

What is 13x15? Answer for 18 points!

Mathematics
1 answer:
Pani-rosa [81]4 years ago
6 0

Answer:

195 that's the answer use the calculator

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ULUI RUTE A
jonny [76]

Answer:

1)  $0.18 - rounded

   $0.18125 - original answer

2) $2.70

Step-by-step explanation:

For first equation:

1. Divide $1.45 by 8.

2. Get $0.18125

3. Round to $0.18

For second equation:

1. Multiply the amount of bananas (15) by how much they are ($0.18)

          15 X $0.18 = $2.7

2. Get answer: You pay $2.70 for 15 bananas.

4 0
4 years ago
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
If the cube above has a surface area of 54cm^3, what is the volume of the cube?
Colt1911 [192]

9514 1404 393

Answer:

  27 cm³

Step-by-step explanation:

The surface area of a cube is ...

  SA = 6s²

Then the edge length is ...

  54 cm² = 6s² . . . . . please note that cm³ is not the appropriate unit for area

  9 cm² = s² . . . . . .divide by 6

  3 cm = s . . . . . . . take the square root

The volume of a cube is ...

  V = s³

  V = (3 cm)³ = 27 cm³

The volume of the cube is 27 cm³.

3 0
3 years ago
In a public park the number of deer doubles every year. In the year 2000, there were 25 deer in the park. The function represent
lozanna [386]

Answer:

A) 1600

Step-by-step explanation:

double the number for the first year then double that number ect untill you do six years

4 0
3 years ago
What is the x-intercept of the line whose equation is 3x+5y=45 ?
Law Incorporation [45]
The x-intercept occurs when y = 0, so:
3x + 5(0) = 45
3x = 45
x = 15
6 0
4 years ago
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