If 20 tickets cost $27, the unit price would be $0.74.
Answer:

Step-by-step explanation:
Given the expression

solving the expression



The multiply fractions are defined as

so the expression becomes



Refining

Therefore,
Answer: They add up to 180 degrees
Step-by-step explanation:
Answer:
0.5* sin(x)
Step-by-step explanation:
As well known sin (2A)= 2sin(A)*cos(A)
As in our case A=x/2 => cos(x/2*sin(x/2)=1/2*sin(x)=0.5*sin(x)