Answer:
please help me with this so you can ready
Answer:
Volume left = 16π cm³ or 50.265 cm³
Step-by-step explanation:
Let's first find the surface area of the tennis ball.
S.A = (4/3)πr³
Radius of a ball = 2 cm
Thus;
S.A = (4/3)π(2)³
S.A = 32π/3
Since there are 3 radius balls that will make the cylinder full, then;
Surface area of 3 balls = 3 × 32π/3 = 32π
Now, formula for volume of cylinder is;
V = πr²h
r = 2 cm
h = 4 × 3 = 12 (since diameter of tennis ball is 4 cm)
Thus;
V = π × 2² × 12
V = 48π
Thus;
Volume left = Volume of cylinder - surface area of 3 balls = 48π - 32π = 16π cm³ or 50.265 cm³
Answer:
521.
Step-by-step explanation:
143
+ 378
= 521
Working from right to left:
First add the 3 and 8 = 11
write 1 underneath
and carry the other 1 to the second column.
1 +4+7 = 12. Write 2 and carry the 1 to the first column.
1 + 3 + 1 = 5.
Answer 521.
Answer:
it is commutative properties
The answer is C
12 * 4 = 48, 180 - 48 = 132
I hope this helps :)