Answer:
1/2
Step-by-step explanation:
We only care about the third coin
we could get heads or tails on the third flip
P (third coin will be heads) = outcome heads / total
=1/2
Answer:
D.
Step-by-step explanation:
If she connects it to any other point the angle would be more then 30 degrees.
9514 1404 393
Answer:
sum = ∑[n=1,5] 4^(n-4)
Step-by-step explanation:
First of all, you need to be able to describe the n-th term.
Here, we have ...
term #: 1, 2, 3, 4, 5
value: 4^-3, 4^-2, 4^-1, 4^0, 4^1
That is, the exponent of 4 is 4 less than the term number. So, the n-th term is 4^(n-4). The sum of the 5 terms shown is then ...

Answer:
66
Step-by-step explanation:
Answer:
<4 and <8
Step-by-step explanation:
Corresponding angles are at the same part of the intersection of
8 and 12 are corresponding angles
8 and 4 are corresponding angles