The equation of a sphere centered at (h, j, k) with radius r is
... (x -h)² +(y -j)² +(z -k)² = r²
Your sphere has center (-9, 4, 1) and radius 4, so its equation is
... (x +9)² +(y -4)² +(z -1)² = 16
This can be written in general form as
... x² + y² + z² +18x -8y -2z +82 = 0
Answer:
81 apples
Step-by-step explanation:
7 divided by 2 = 3.5
63 divided by 3.5 = 18
63 red + 18 green = 81 total apples
Answer:3
Step-by-step explanation:depends how your using it
The answer would be
<span>B)
A' (-8, 5)
B' (-8, 8)
C' (-5, 7)
D' (-4.5, 5)</span>