1/2 probability because 30 is half of 60.
Answer:

Step-by-step explanation:
The attachment shows the working, and it shows the problem repeats itself every 6 digits of quotient.
Angles x, y, and z are 5s.
Angle x is a vertical angle to 5s, angles x and y are alternate interior angles so y is also 5s. And z is an alternate exterior angle to angle y.
I can't really figure out the number value of 5s with the given information.
Answer:
The unit vector in component form is
or
.
Step-by-step explanation:
Let be
, its unit vector is determined by following expression:

Where
is the norm of
, which is found by Pythagorean Theorem:


Then, the unit vector is:


The unit vector in component form is
or
.