Answer:
4th option
Step-by-step explanation:
The chord- chord angle 67.5° is half the sum of the arcs intercepted by the angle and its vertical angle, that is
67.5 = 
(x + 90)
Answer: x=7.5
Step-by-step explanation:
Answer:
1/3
Step-by-step explanation:
1 ÷ 3 = 1/3
1 divided by 3 is one-third, and one-third written as a fraction is 1/3.
A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x isrelated to. For example, consider thefollowing sets X and Y.
Answer:
x=-1/3=10/3 y=-3x+10
Step-by-step explanation:
1. distribute
y+2=-3x+12
2. subtract 2
y=-3x+10
1.subtract 12
y-10=-3x
2. divide by -3
-1/3y+10/3=x
