Answer:
\left(3+i\right)y\left(3-i\right)=10y
Step-by-step explanation:
\left(3+i\right)y\left(3-i\right)
\left(3+i\right)\left(3-i\right)y
=y\cdot \:10
=10y
Answer:
Hence the value for the mean is 80 and the standard deviation for the original sample is 8.
Step-by-step explanation:
Mean = 83-3 = 80.
Here the standard deviation didn't change = 8.
Answer:
88°
Step-by-step explanation:
<h3>supplementary angle are angles that add up to 180°</h3>
r+92= 180
r= 180-92
r = 88°
-1/4
I really hope this helps
