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ozzi
3 years ago
7

Del total de alumnos de una escuela de Medellín, la mitad nació en Medellín, un tercio en otros pueblos de Antioquia y los resta

ntes en otros países. Si son 83 los alumnos extranjeros, el número de alumnos que nacieron en Medellín es: A. 498 B. 166 C. 250 D. 249
Mathematics
1 answer:
lora16 [44]3 years ago
5 0

Answer:

OK

Step-by-step explanation:

What language us That

You might be interested in
The probability that a person is accepted for admission to a specific university is 0.6. Determine the probability that exactly
frozen [14]

Answer: the probability that exactly two of the next five people who apply to that university get accepted is 0.23

Step-by-step explanation:

We would number of people that applies for admission at the university and gets accepted. The formula is expressed as

P(x = r) = nCr × p^r × q^(n - r)

Where

x represent the number of successes.

p represents the probability of success.

q = (1 - p) represents the probability of failure.

n represents the number of trials or sample.

From the information given,

p = 0.6

q = 1 - p = 1 - 0.6

q = 0.4

n = 5

the probability that exactly two of the next five people who apply to that university get accepted is

P(x = 2) = 5C2 × 0.6^2 × 0.4^(5 - 2)

P(x = 2) = 10 × 0.36 × 0.064

P(x = 2) = 0.23

8 0
3 years ago
Read 2 more answers
Least common multiple of 9(x+2)(2x-1) and 3x+2
mixas84 [53]

Answer:

LCM(9, -1, -1, +2, +2, +2) = 2×3^2 = 18

Step-by-step explanation:

9 = 32

-1 = -1

-1 = -1

+2 = 2

+2 = 2

+2 = 2

LCM = 2×3^2 = 18

18 / 9 = 2

18 / -1 = -18

18 / -1 = -18

18 / +2 = 9

18 / +2 = 9

18 / +2 = 9

3 0
3 years ago
Please help!!! Evaluate the following expression.<br><br> 10 x (-9 x (-6))
finlep [7]

Answer: 540

Step-by-step explanation:

To solve this expression, we use PEMDAS to solve it.

-9*-6= 54

54*10=540

3 0
2 years ago
Read 2 more answers
If 35% of the 300 students in 6th grade have an older brother or sister, how many 6th graders have an older sibling? To solve th
kirza4 [7]

Answer:

105 students

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The school system is trying to help their students be more successful. They are going to hire tutors to help. They must have mor
dexar [7]

Answer:

a. x-y > 0

b. x+y \leq 50

c. x=26; y=24 or (24,26)

Step-by-step explanation:

Let x = number of teachers hired.

Let y = number of tutors hired.

Now solving for part a we get

a. Write an inequality that represents the statement that the number of teachers hired must exceed the number of tutors hired.

x-y > 0

solving for part b we get;

b. Write an inequality that represents the statement that the maximum number of teachers and tutors is 50.

x+y \leq 50

solving for part c we get;

c. Choose a point that satisfies the situation, and explain why you chose that number of tutors and teachers.

Now we know that x-y > 0 also x+y \leq 50

x=26; y=24

(24,26)

Explanation: To make number of teacher more than number of tutors this is the maximum value we can achieve for the requirement.

6 0
4 years ago
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