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Lyss
Questions (5)
1. Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Sin(A+B).
a) 24/80 [b)] 84/85 c) 60/80 d) 60/85 Find Cos(A+B). a)
2 answers
3,646 views
Expand each binomial.
(L-2t)^2
5 answers
497 views
To push a 25.0kg crate up a frictionless surface incline angled at 25 degrees to the horizontal, a worker exerts a force of
1 answer
1,264 views
I got the following question wrong on a test "If a substance does not dissolve in water, but dissolves in oil, it is most likely
0 answers
501 views
One of the proverbs I have to explain "a word is sufficient for a wise man." Does this mean people shouldn't go on and on and on
1 answer
636 views
Answers (4)
41.8i?
44,286
Losing my wallet caused me great inconvenience.
1. Convert 2.55Kg to g 2.55Kg x 1000g = 2550g ——— 1Kg 2. Convert g to mol using the molar mass then multiply the heat of fusion 2550g x 1mol x 7.27KJ = 250 KJ ——— ———- 74.14g 1mol
