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adoni [48]
3 years ago
6

The endpoints of a diameter of a circle is (-1,3) and (3,1). Find the center and radius of the circle.

Mathematics
2 answers:
lina2011 [118]3 years ago
3 0
Option C: center (1,2) and radius sqrt 5
Inessa05 [86]3 years ago
3 0

Here is the answer to the question.

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Lucas had 18 markers. He lent 1/6 of them to Isaac and 1/9 of them to Abby. In total, how many markers did he lend?
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In a race in which eleven automobiles are entered and there are no ties, in how many ways can the first three finishers come in?
viva [34]

Answer:

990 ways

Step-by-step explanation:

The total number of automobiles we have is 11.

Now, what this means is that for the first position , we shall be selecting 1 out of 11 automobiles, this can be done in 11 ways( 11C1 = 11!/(11-1)!1! = 11!/10!1! = 11 ways)

For the second position, since we have the first position already, the number of ways we can select the second position is selecting 1 out of available 10 and that can be done in 10 ways(10C1 ways = 10!9!1! = 10 ways)

For the third position, we have 9 automobiles and we want to select 1, this can be done in 9 ways(9C1 ways = 9!/8!1! = 9 ways)

Thus, the total number of ways the first three finishers come in = 11 * 10 * 9 = 990 ways

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Subtract 6 6/8 - 1 7/8​
Misha Larkins [42]

Answer:4 7/8

Step-by-step explanation:

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