Answer:
See below
Step-by-step explanation:
The 'mean' is the three numbers added together
then this sum is divided by 3
(5 + 7 + 9 )/3 = 21/3 = 7
0.476 is the answer to this question.
Answer:
(x -2)² +y² = 16
Step-by-step explanation:
The circle has its center at (h, k) = (2, 0), and has a radius of r = 4. The standard form equation is ...
(x -h)² +(y -k)² = r²
For the given values of (h, k) and r, this equation is ...
(x -2)² +y² = 16
Ok. so, you have a fraction. lets say it is, 5/20. and the other, is. 2/5. flip the first one, and multiply. so your answer would be, 25/40. hope this helps.