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dedylja [7]
3 years ago
12

Please explain.

Mathematics
2 answers:
LekaFEV [45]3 years ago
3 0

Answer:

25% probability

Step-by-step explanation:

If there are three questions with four possible choices, there are twelve total answer choices. if you only get one answer as the correct one in each question then there's three out of the twelve answer choices that are correct in total. Basically, 3/12 = .25 = 25%. that's for total.

Also, with each question having 4 answers with 1 correct, 1/4 = .25 = 25% as well.

I hope this helped!

omeli [17]3 years ago
3 0

Answer: 25% is the possibility.

Step-by-step explanation:

So 1 multiple choice will have 4 possible answer.

2 multiple choice will have 4 possible answer.

3 multiple choice will have 4 possible chances.

So it’s out of a 100. You do 100 divided by 4.

Since there are 4 possible answer and it gives us 25%.

To check if our answer is correct then you should do 25 divided by 4 which gives us 100%.

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The sum of three consecutive odd integers is at most 123. Find the pair with the greatest sum
galben [10]

Answer:

a1 = 39, a2 = 41, a3 = 43

The pair with the greatest sum is a2 + a3 = 41 + 43 = 84

Step-by-step explanation:

Let the first integer be a1 = a.

Let the second odd integer be a2 = a + 2

Let the third odd integer be a3 = (a + 2) + 2 = a + 4

The sum of three consecutive odd integers is 123.

123 = a1 + a2 + a3

123 = a + (a + 2) + (a + 4)

123 = 3a + 6

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a = 39

a1 = a = 39

a2 = a + 2 = 39 + 2 = 41

a3 = a + 4 = 39 + 4 = 43

The pair with the greatest sum is a2 + a3 = 41 + 43 = 84

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