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IrinaVladis [17]
3 years ago
7

What is the perimeter of the rectangle 5ft 1ft

Mathematics
1 answer:
Molodets [167]3 years ago
4 0

Answer:

....................

Step-by-step explanation:

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An elevator containing five people can stop at any of seven floors. What is the probability that no two people exit at the same
elena-s [515]

Answer:

Approximately 0.15 (360 / 2401.) (Assume that the choices of the 5 passengers are independent. Also assume that the probability that a passenger chooses a particular floor is the same for all 7 floors.)

Step-by-step explanation:

If there is no requirement that no two passengers exit at the same floor, each of these 5 passenger could choose from any one of the 7 floors. There would be a total of 7 \times 7 \times 7 \times 7 \times 7 = 7^{5} unique ways for these 5\! passengers to exit the elevator.

Assume that no two passengers are allowed to exit at the same floor.

The first passenger could choose from any of the 7 floors.

However, the second passenger would not be able to choose the same floor as the first passenger. Thus, the second passenger would have to choose from only (7 - 1) = 6 floors.

Likewise, the third passenger would have to choose from only (7 - 2) = 5 floors.

Thus, under the requirement that no two passenger could exit at the same floor, there would be only (7 \times 6 \times 5 \times 4 \times 3) unique ways for these two passengers to exit the elevator.

By the assumption that the choices of the passengers are independent and uniform across the 7 floors. Each of these 7^{5} combinations would be equally likely.

Thus, the probability that the chosen combination satisfies the requirements (no two passengers exit at the same floor) would be:

\begin{aligned}\frac{(7 \times 6 \times 5 \times 4 \times 3)}{7^{5}} \approx 0.15\end{aligned}.

5 0
2 years ago
6
Mumz [18]

Answer:

112.81 miles

Step-by-step explanation:

304.6 divided by 2.7

5 0
2 years ago
How do you find the arc length in a circle given any angle?
Nataly_w [17]

You find the circumference and multiply it by the central angle. If the central angle is in degrees, you divide that by 360. If the central angle is in radians, you divide by 2pi.

8 0
3 years ago
100 points! Which statements are correct interpretations of this graph?
prohojiy [21]

Answer: 3 boxes every 4 minutes, and 0.75 boxed every minute. And  0.75 boxes are filled per minute.

Step-by-step explanation: Hope This Helps!

5 0
1 year ago
447,077 is_______ than 347,077
Rina8888 [55]
447,077 is Greater than 347077
6 0
3 years ago
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