Answer:
8
Step-by-step explanation:
I haven't seen this video but the way I think of it is to compare the equation with a chemical balance. Both sides have equal weights and the pointer is at zero. To maintain the pointer at zero if we add/take away a weight from one side we have to do the same thing on the other side.
Answer:
2411.52
Step-by-step explanation:
1/3(3.14*16*16*9) = 2411.52
P=2(L+W)
=2(2.05+10)
=2(12.05)
=24.1
A=LW
=2.05 x 10
=20.5