Answer: 8.2
Step-by-step explanation:
As angles in a triangle add to 180 degrees,

So, by the Law of Sines,

Answer: 8.525
Step-by-step explanation:
Answer:
w=108
Step-by-step explanation:
Using the formula
P=2(l+w)
Solving for w
w=P
/2﹣l = 240
/2﹣12 = 108
Answer:
{x | x R, x ≤ 7 5/6 }
Step-by-step explanation:
we have

Convert mixed number to an improper fraction first


substitute

Multiply by 6 both sides to remove the fractions

Adds 38 both sides


Divide by 6 both sides

convert to mixed number

substitute

therefore
{x | x R, x ≤ 7 5/6 }