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saul85 [17]
3 years ago
9

PLEASE HELP I DONT WANNA FAIL MY QUIZ!!!

Mathematics
2 answers:
Rashid [163]3 years ago
8 0
<h2>Step-by-step explanation:</h2>

First, you take 1.25 + 1.25 to find the total amount of area that is blocked out

  • 1.25ft + 1.25ft = 2.5ft

Then you subtract the sum of those two numbers which is 2.5 by the total length of the wall which is 10ft

  • 10ft - 2.5ft = 7.5ft

Next, you will divide the difference of the last equation which was 7.5 by 3 to find your answer

  • 7.5 / 3 = 2.5

<h2>Answer:</h2><h2><u>Thus the answer is 2.5</u></h2><h2><u></u></h2>

Make sure to mark me brainliest :)

Gwar [14]3 years ago
3 0

Answer: 2.5 ft.

Step-by-step explanation: We know that the wall is 10ft and each poster is 1 1/4 ft, so subtract both posters from the wall, 10-2.5 = 7.5, then divide 7.5 by 3 since we need 3 lengths, and we get 2.5ft. So for x, it would be 2.5ft.

x=2.5

Hope this helps!

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Step-by-step explanation:

For each student, there are only two possible outcomes. Either they own a wireless device, or they do not. The probability of a student owning a wireless device is independent from other students. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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This means that p = 0.81

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E, D, A, B, C


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