General formula of the circle
(x-a)² + (y - b)² = r²,
where (a,b) - coordinates of the center, r - radius of the circle.
(x-3)²+(y+4)²=4
(x-3)²+(y+4)²=2²
So, the center is (3, -4) and radius r = 2.
A. (3, –4); 2
Answer:
The child needs a score of 37.2 to move up to the next level of the competition.
Step-by-step explanation:
The mean is the sum of all scores divided by the number of competions. So

In which S is the sum of all her scores and T is the number of competitions.
The child has five competions:
Which means that 
She has to get a mean of at least 36.5, so 
Her scores are: 35.5, 36.3. 36.6, and 36.9. Her last score, i am going to call x. So

The child needs a score of _____ to move up to the next level of the competition.
This score is x. So




3000x + 1000y < 30000
2000x + 6000y < 30000
x = 7.5
y = 7.5
Answer:
20
Step-by-step explanation:
we expect to have the smae outcome so we just multiply the out puts by 5 to see what would happen after 125 draws