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gulaghasi [49]
2 years ago
14

Plssss master answerer answer my question​

Mathematics
2 answers:
Lostsunrise [7]2 years ago
8 0

10. Note that you are multiplying two negative numbers, which will result in a positive. Next, you will multiply 2 positive numbers, which will result in a positive answer:

-9 * -2 = 18

18 * 3 = 54

B. 54 is your answer.

11. Do the opposite of what it's asking you to do. You are asked "what number" multiplied by 5 will result in -20. Therefore, divide 5 from -20:

-20/5 = -4

D. -4 is your answer.

12. BJ and 3 friends (4 people in total) had to pay a total of 524. Divide 524 with 4:

524/4 = 131.

D. Php 131 is your answer. Each person will pay Php 131 to BJ.

13. Yza made a tower 82 cm high, while Aia made a tower 47 cm high.

Let Yza = y = 82 and Aia = a = 47. Set the equation:

Difference of height = y - a

Plug in the corresponding number to the corresponding variables:

Difference of height = 82 - 47

Difference of height = 35

B. 35 cm is your answer.

14. The boy walks 6 blocks north, and then 4 blocks back. For this type you will usually use a number line, though I do not have one. The starting position is 0:

0 + 6 = 6

6 - 4 = 2

B. 2 blocks north, or the boy will be 2 blocks north of his starting position.

15. Multiply the amount of words per minute with the amount of minutes. The person types 50 words per minute, and must type for 10 minutes:

50 words per minute x 10 minutes = 500 words in 10 minutes.

D. 500 words is your answer.

~

Hatshy [7]2 years ago
4 0
10. B
11. D
12. C
13. B
14. B
15. D
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Anettt [7]
The solution for this problem would be:
f'(x) = 1 - 1/x^2 = (x^2 - 1)/x^2 
is positive where |x| > 1 
hence (-inf, -1) and (1, inf) are the regions in which f' is positive and therefore f is increasing.
Therefore, the answer is (-infinity,-1] U [1,infinity).
4 0
3 years ago
The probability that a rental car will be stolen is. 4. if 3500 cars are rented, what is the approximate poisson probability tha
kozerog [31]

Using the Poisson distribution, there is a 0.8335 = 83.35% probability that 2 or fewer will be stolen.

<h3>What is the Poisson distribution?</h3>

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by:

P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}

The parameters are:

  • x is the number of successes
  • e = 2.71828 is the Euler number
  • \mu is the mean in the given interval.

The probability that a rental car will be stolen is 0.0004, hence, for 3500 cars, the mean is:

\mu = 3500 \times 0.0004 = 1.4

The probability that 2 or fewer cars will be stolen is:

P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2)

In which:

P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-1.4}1.4^{0}}{(0)!} = 0.2466

P(X = 1) = \frac{e^{-1.4}1.4^{1}}{(1)!} = 0.3452

P(X = 2) = \frac{e^{-1.4}1.4^{2}}{(2)!} = 0.2417

Then:

P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.2466 + 0.3452 + 0.2417 = 0.8335

0.8335 = 83.35% probability that 2 or fewer will be stolen.

More can be learned about the Poisson distribution at brainly.com/question/13971530

#SPJ1

4 0
1 year ago
What is the sum of 6/7 and 1/2?
Svetllana [295]

The sum of the fraction 6/7 and 1/2 is 19/14

<h3>How to add fractions</h3><h3 />

Given:

sum of 6/7 and 1/2

Sum means addition(+)

= 6/7 + 1/2

The least common denominator is 7 × 2 = 14

= 6/7 + 1/2

= (12+7) / 14

= 19/14

Therefore, the sum of 6/7 and 1/2 is 19/14

Learn more about fraction:

brainly.com/question/11562149

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Nookie1986 [14]
The answer would be the number 5
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