Answer:
SA =64 pi units ^2
Step-by-step explanation:
The surface area of a sphere is given by
SA = 4 pi r^2
SA = 4 * pi * 4^2
SA =64 pi
SA =200.96
Answer:
4
Step-by-step explanation:
- u·(u−v)+v·(v−u)
- u^2 - uv + v^2 - vu
- u^2 - 2uv + v^2
- (u -v)^2 OR (v-u)^2
- (4.3 - 2.3)^2
- 4
8.9-3.3j=-2.2j+2.3
add 3.3j to both sides
8.9=1.1j+2.3
subtract 2.3 from both sides
6.6=1.1j
divide both sides by 1.1
6=j
Answer:
m1=12 and m2=168
Step-by-step explanation:
