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egoroff_w [7]
3 years ago
10

Find the area of the shape shown below ​

Mathematics
2 answers:
Arlecino [84]3 years ago
7 0

Answer: 12.5

Step-by-step explanation:

area= 1/2 (2.5+7.5) 2.5

sorry if its not clear enough i dont really know how else to explain it

omeli [17]3 years ago
3 0

Answer: The area is 12.5 units squared

Step-by-step explanation: The trapezoid shown has the parallel lines (bases a and b) given and the vertical (perpendicular) height also given.

The area of a trapezoid is calculated as ;

Area = [(a + b)/2] x h

Where a is 2.5, b is 7.5 and h is 2.5

Area = [(2.5 + 7.5)/2] x 2.5

Area = [(10)/2] x 2.5

Area = 5 x 2.5

Area = 12.5 units squared

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In Leakwater township, there are two plumbers. On a particular day three Leakwater residents call village plumbers independently
Marianna [84]

Answer:

25% probability that all three residents will choose the same plumbe

Step-by-step explanation:

For each resident, there are only two possible outcomes. Either they choose the first plumbe, or they choose the second. The plumbers are chosen independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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

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.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Each resident randomly chooses one of the two plumbers.

This means that p = \frac{1}{2} = 0.5

Three residents:

This means that n = 3

What is the probability that all three residents will choose the same plumb

This is P(X = 0)(all choose the second pumble) or P(X = 3)(all choose the first pumble). So

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

P(X = 0) = C_{3,0}.(0.5)^{0}.(0.5)^{3} = 0.125

P(X = 3) = C_{3,3}.(0.5)^{3}.(0.5)^{0} = 0.125

p = P(X = 0) + P(X = 3) = 2*0.125 = 0.25

25% probability that all three residents will choose the same plumbe

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3 years ago
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Answer:

If the box had 40 caramel pieces there would be 42 pieces of chocolate

hope it's right and hope it helps you!

Step-by-step explanation:

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Step2247 [10]

Answer:

The answer is: 181.5 square centimeters.

Step-by-step explanation:

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Answer:

It is the left one.

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