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lesya692 [45]
3 years ago
12

5. The circumference of a circle and the perimeter of a square are each 50 cm. Which figure has the greater area?

Mathematics
1 answer:
ra1l [238]3 years ago
8 0

Answer:

The circle has a greater area

Step-by-step explanation:

First, we are going to calculate the area of the square.

We know that it's perimeter is 50 cm, so the side of the square is:

50/4 = 12.5 cm

The area of the square is:

A = s^2

A = 12.5^2 = 156.25 cm^2

Now with the circle.

The circumference lenght is: L = 2πr

The radius is: r = L/2π

r = 50 / 2*3.14

r = 7.96 cm, which I'll round this value to 8 cm.

To get the Area of a circle:

A = πr^2

A = 3.14 * 8^2

A = 200.96 cm^2

Therefore, the area of the circle is greater than the square

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The probability that it will snow on the last day of January is 85%. If the probability remains the same of the first eight day
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Answer:

Here, we have:

P(5 days snow in this 8 days) = 8C5 x (0.85)^5 x (1 - 0.85)^3 = 0.084

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5 0
3 years ago
A hiker carried 1 gallon of water on a hike. She drank 1/2 of the water when she stopped to rest and gave an equal amount of the
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Answer:

The answer to your question is 1/8

Step-by-step explanation:

Data

Total volume = 1 gallon

Water drank by the hiker = 1/2

Water drank by each of his friends = ?

Process

1.- Calculate the water that he gave to his friends

Water gave to his friends = 1 - 1/2

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2.- Calculate the amount of water each friend received.

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3.- Conclusion

Each of the friends received 1/8 of the gallon.              

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