The probability of any particular sequence of N flips of a fair coin is 2^(-N).
Your probability of the given sequence of 3 coin flips is
2^-3 = 1/8
B. 36
<span>Multiply or count branches it's up to you.</span>
Answer:

Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

Remember that a central angle of
subtends for the area of a complete circle
so
by proportion
Find the area of the circle for a central angle of 

Answer:
-8x
Step-by-step explanation:
Subtract 6°x from -2x.
Answer:

Step-by-step explanation:
we know that
The circumference of a circle is equal to

where
D is the diameter
in this problem we have

substitute
-----> equation that give the value of the circumference
