Answer:
Answer: 12
Step-by-step explanation:
Answer: B
Step-by-step explanation:
Answer:
Radius of sphere is 3 units.
Step-by-step explanation:
Volume of sphere is given by ![4/3 \pi r^3](https://tex.z-dn.net/?f=4%2F3%20%5Cpi%20r%5E3)
surface area of sphere is given by ![4 \pi r^2](https://tex.z-dn.net/?f=4%20%5Cpi%20r%5E2)
where r is the radius of the sphere.
Given that
The number of cubic units in the volume of a sphere is equal to the number of square units in the surface area of the sphere.
we equate formula of Volume of sphere and surface area of sphere
assuming r as the radius.
thus,
![4/3 \pi r^3 = 4 \pi r^2\\\\4/3 \pi r^3/ 4 \pi r^2 = 1\\=>r/3 = 1\\=> r = 3](https://tex.z-dn.net/?f=4%2F3%20%5Cpi%20r%5E3%20%3D%204%20%5Cpi%20r%5E2%5C%5C%5C%5C4%2F3%20%5Cpi%20r%5E3%2F%204%20%5Cpi%20r%5E2%20%3D%201%5C%5C%3D%3Er%2F3%20%3D%201%5C%5C%3D%3E%20r%20%3D%203)
Thus, radius of sphere is 3 units.
Answer:
8ac+3b-7a
Step-by-step explanation:
2ac+6ac+4b-b-7a=
Answer:
B. 3 to 2
Step-by-step explanation:
I calculated it logically