These points are reflective off of the y-axis. (9,2/5) reflected over the y-axis is (9,-2/5)
Answer:
26.2
Step-by-step explanation:
PQ/QR = 8/16 = 0.5
tan(26.6) = 0.5
The wording of this question is a bit confusing... You can't write a sequence in sigma notation, but rather a series or sum. I think the question is asking you to write the sum of the sequence,

which would be

in sigma notation.
To do this, notice that the denominator in each term is a power of 2, starting with
and ending with
. So in sigma notation, this series is

Answer:
4/25
Step-by-step explanation: