Answer:
8/19
Step-by-step explanation:
Use this rule: a b/c=ac+b/c
2x8+3/8
Answer:
y = -1/3
Step-by-step explanation:
Answer:
x-17.5
Step-by-step explanation:
angles in a triangle add to 180
3x+8+(2x-3)+5x = 180
simplify(collect like terms):
10x + 5 = 180
solve:
10x = 175
x=17.5
Answer:

Step-by-step explanation:
For any triangle, the Law of Cosines is given by
, where all three variables are interchangeable.
Therefore, we have:

Answer: B) Convenience Sample
Step-by-step explanation:
A convenience sample is used when pilot testing is to be done. In this case, the accounting professor wishes to know who would take a elective. Since this involves taking sample from part of population that is near at hand and can be easily taken. So it is a convenience sample.