Each of them shakes hands with 109 others.
109*110 = 11990 handshakes were done.
5,000 because a coin has 2 sides so there is 50% chance flipping on tails.
Answer:
12pl where p represents the perimeter of the base and l the slant height.
Answer:
687
Step-by-step explanation:
use a Cal.
Answer:
see explanation
Step-by-step explanation:
given
f'(x) = 12cos x - 4sin x, then
f'() = 12cos() - 4sin()
[ cos() = -cos(), sin( = - sin() ]
= -12cos() + 4sin()
= - 12 × + 4 ×
= - 6 + 2 ≈ - 2.536 ( 3 dec. places )