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lisabon 2012 [21]
3 years ago
12

A. Maya is correct

Mathematics
1 answer:
Yuki888 [10]3 years ago
5 0

Answer:c

Step-by-step explanation:

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Simplify each of the expressions. (6y^2 + 4y + 5) – (3 – 7y + y^2)
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<span> (6y^2 + 4y + 5) – (3 – 7y + y^2)
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The graph h = −16t^2 + 25t + 15 models the height and time of a ball that was thrown off of a building where h is the height in
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A

Step-by-step explanation:

If you graph the equation f(x) = -16x^2+25x+15. You would need to pay attention to the x value which is somewhere in between 0.75-0.9.

Another way is to convert the equation into vertex form.

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On a Sunday night, there are four people on a bus. The bus has five stops left before it end sits route. Suppose each person wil
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There are two possible outcomes of this experiment either success p or failure q. It has a given number of trials and all trials are independent therefore it is<u><em> binomial probability distribution.</em></u>

1-  5 ways

2- 5/16

3- 1/16

4- 1/16

In the question given above n= 5 p =1/2 q= 1/2  r is the given point.

  1. <u>Part 1:</u>

The number of ways in which different people get off the bus can be calculated using combinations since the order is not essential. Therefore

nCr= 5C4= 5 ways

<u>2. Part 2:</u>

The probability that all four people get off the bus on the first stop is given by :

P (x= 1)= 5C1 (1/2)^0(1/2)^4= 5(1/2)^4= 5/16

<u>3. Part 3:-</u> The probability that all four people get off the bus on the same stop.

P (x= x)= 5C5 (1/2)^0(1/2)^4= 1(1/2)^4= 1/16

<u>4. Part 4-</u> The probability that <u><em>exactly three of the four</em></u> people get off the bus on the same stop.

P (x= x)= 5C5 (1/2)^3(1/2)^1= 1(1/2)^4= 1/16

For binomial distribution click

brainly.com/question/15246027

brainly.com/question/13542338

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