
Therefore,

verified.
Hope you could get an idea from here.
Doubt clarification - use comment section.
A triangle's total angle equals 180 degrees. so put all the other values together and then subtract from 180 to solve for x
Answer:
First solve the inequality to determine the solution set. Solving the inequality we have



Then, the solution set is
. The solution is the interval
and it can be represented by the following graph.
Step-by-step explanation:
Answer:yes
Step-by-step explanation:
Given

a,b,c<0
For quadratic equation to have real roots Discriminant should be greater than zero
D>0

Thus

b is negative so its square is positive
a & c is negative so their product is positive
so Discriminant is Positive when

Answer:
19/6n - 7/2
Step-by-step explanation:
4n - 5/6n - 4 + 1/2
4 = 24/6
24/6 - 5/6
19/6
-4 = -8/2
-8/2 + 1/2
-7/2
19/6n - 7/2