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 second option
Step-by-step explanation:
This is because the more samples she has, the closer her experimental probability will be to the real value.
Answer:add then divide
Step-by-step explanation:
I'm not sure where it starts and ends
Answer:
46°
Step-by-step explanation:
tan Ф = 21/20
Ф = tan-1 (21/20)
= 46°