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Lina20 [59]
3 years ago
9

Which of the following sets of points is a direct variation? (0, 0); (2, 4); (5, 15) (0, 0); (-1, -2); (1, 2) (3, 6); (-2, 4); (

-1, 2) (0, 5); (1, 6); (2, 7)
Mathematics
2 answers:
chubhunter [2.5K]3 years ago
4 0
I believe that the best answer among the choices provided by the question is the first choice, <span>( 0 ,  0 ) ;  ( 2 ,  4 )</span>
Hope my answer would be a great help for you.    If you have more questions feel free to ask here at Brainly.
Oxana [17]3 years ago
3 0

Answer: (0, 0); (-1, -2); (1, 2)  I'm not very good at math but, I hope it helped!!

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Ayúdenme en este ejercicio por favor
lapo4ka [179]

Para poder encontrar el número total de conjuntos de diferentes números, lo primero que debemos contar es el número de opciones para cada una de las selecciones.

A) Para el primer número tenemos 47 opciones

para el segundo número tenemos 46 opciones, pues una ya fue seleccionada.

Para el tercer número tenemos 45 opciones

Para el cuarto número tenemos 44 opciones

Para el quinto número tenemos 43 opciones

Para el sexto número, el mega número, tenemos 27 opciones.

El número total de combinaciones es igual al producto entre los numeros de opciones:

C = 47×46×45×44×43×27 = 4,969,962,360

B) Ahora sabemos que dos de los primeros 5 números tienen valores fijos A y B.

Asumamos que son el primero y segundo número.

Entonces:

El primer número es A (1 opcion)

El segundo número es B (1 opcion)

El tercer número tiene 45 opciones (por que dos ya fueron seleccionadas)

El cuarto número tiene 44 opciones

El quinto número tiene 43 opciones

El sexto número tiene 27 opciones.

Para encontrar el número total de combinaciones no solamente deberemos multiplicar los números de opciones, tambien tendremos que tener en cuenta el número de permutaciones de 2 elementos (A y B) entre los primeros 5 posibles espacios.

Para calcular esto vemos cuantas posibles opciones tiene cada uno de ellos.

El número A tiene 5 posibles posiciones (5 opciones)

El número B tiene 4 posibles posiciones (pues una esta ocupada por A)

asú, el número de permutaciones es:

P = 5*4 = 20

Asi, en este caso el número total de combinaciones es:

C = (1×1×45×44×43×27)×20 = 45,975,600

Si quieres aprender más, puedes leer:

brainly.com/question/21591279

7 0
2 years ago
Determine the smallest integer that makes -3x+7-5x &lt; 15.
Delvig [45]
Hope so answer is x>-1
8 0
3 years ago
As the numbers of phones produced increases, will the working rate ever get to 100%? Explain
icang [17]
Some things you need in your respond is:

- Although the percentage might eventually round to 100%, it is not possible to have 100% of the phones working.
- This is because the model began when only 3 out of 10 phones were working, so there are 7 phones that were not working.
- In other words, the numerator and denominator of the expression are never the same, so the expression is never equal to 1 or 100%.
7 0
3 years ago
Read 2 more answers
Please help I am brianab9968 If u r there babe
12345 [234]

Answer:

After simplifying ur ans comes out to be option a

3 0
2 years ago
Leo needs to write an essay for history class. He estimates that he can write 1.5 pages per
alexandr1967 [171]
<h3>Answer:  y = 6-1.5x</h3>

========================================================

Work Shown:

x = number of hours

1.5x = number of pages written after x hours

y = 6-1.5x = number of pages left after x hours

--------------

In other words, if Leo can write at a pace of 1.5 pages per hour, and works for x hours, then he has written 1.5x pages so far. The difference of this with 6 will tell us what is left over. So the expression 6-1.5x is the amount of pages left, which is the value of y.

--------------

An example:

x = 2 so 1.5x = 1.5*2 = 3

At the 2 hour mark, Leo has written 3 pages. He has 6-1.5x = 6-1.5*2 = 6-3 = 3 pages left.

4 0
1 year ago
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