Answer:
f2 = 5.22 + 6.82 - 2(5.2)(6.8) cos 166°
it is c becuse i have has this on my test 2 days ago
B. w = 4
Step-by-step explanation:
As we know, in a parallelogram length of opposite sides are equal.
so, AD = BC
⇒ 4w - 5 = 7w - 17
⇒ 12 = 3w
⇒ w = 4
milli = 1/1000, so milligams = 1/1000 of a gram.
So:
2000 milligrams * 1 gram/1000 milligrams = 2 grams.
(2×4×4)+(3×2×4)
56 is the answer