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Darya [45]
3 years ago
7

You are chatting with two of your friends and mention that you were born on a Sunday. What is the chance that at least one of th

ese friends was also born on a Sunday?
Mathematics
2 answers:
Lilit [14]3 years ago
6 0
1/7 because yenno there’s 7 days in a week & only 1 Sunday
BigorU [14]3 years ago
3 0

Answer:

2/7

Step-by-step explanation:

This is a very simple question worded very weirdly.

There are seven days in a week and only one Sunday in a week.

So the chance that one friend was born on the same week of the day is 1/7.

However, there are 2 friends and we are looking for the probability that at least one of these friends was also born on a Sunday, so we just add 1/7 + 1/7.

1/7 + 1/7 = 2/7, so the chance that at least one of the friends was also born on a Sunday is 2/7.

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Write the equation of a circle with a center at (-2, 3) and a radius of 4.
Ivan

Answer:

The equation of a circle:

(x+2)^2+(y-3)^2 = 16

Step-by-step explanation:

The equation of a circle:

(x-h)^2+(y-k)^2 = r^2

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-Since you already have the center and the radius, use them for the equation of a circle:

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Radius: 4

(x+2)^2+(y-3)^2 = 4^2

After you have the equation of a circle, simplify the radius by the exponent 2 :

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5 0
3 years ago
What type of data would weather be measured in a month?
Tju [1.3M]

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7 0
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This line segment will be dilated with the point of dilation at (4,1) and scale factor of 2. What is the x-coordinate of one of
IgorLugansk [536]

Answer:

<h3>8</h3>

Step-by-step explanation:

If a coordinate point (x, y) is dilated by a factor k, then the resulting coordinate will be (kx, ky)

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