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djyliett [7]
3 years ago
12

The measure of a square wall is 9 feet 7 inches on each side. Estimate the square feet a painter would have to cover to the near

est foot.
Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0
First, convert those inches to feet. 
7in =ish 0.5833333
(you find this by dividing 7/12 on a calculator)
Now you just square 9.583333333
9.583333333^2
9.583333333 * 9.583333333
91.84027777ish
Rounded to the nearest foot, means the answer is 92ft.
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Answer:

There is a 40.96% probability that he answers exactly 1 question correctly in the last 4 questions.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either it is correct, or it is not. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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

And p is the probability of X happening.

In this problem we have that:

There are four questions, so n = 4.

Each question has 5 options, one of which is correct. So

What is the probability that he answers exactly 1 question correctly in the last 4 questions?

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There is a 40.96% probability that he answers exactly 1 question correctly in the last 4 questions.

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3 years ago
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AVprozaik [17]

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3 years ago
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in a game using two dice, a person wins if the outcome is a prime number. Find the probability of winning.
AlexFokin [52]

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7 0
3 years ago
A circle and a square can intersect at how many points
SSSSS [86.1K]

If the circle has the same center as the diagonals of a square and the radius of the circle is smaller than 1/2 the diagonal of the square but larger than 1/2 the length of the side of a square, then there are 8 points of intersection -- 2 at each corner of the square.

If the radius of the circle is smaller than 1/2 the side length of the square and the center is as described above, there are no points of intersection.

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3 years ago
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Aneli [31]

Answer:

20.4 ft

Step-by-step explanation:

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A quick way to do use this setup is to multiply 33 by 6, then divide by 9.7.

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7 0
2 years ago
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