Answer:
34
Step-by-step explanation:
-5y=-45
y=-45/-5
=9
y=9
then
5y-11=5×9-11
=45-11
=34
There are two sides in a coin so the chance of getting tails is 1/2, which would be 0.5.
I'm not sure tho.
Answer:
It becomes lower
Step-by-step explanation:
This is because as the lowest value becomes larger, <em>one of the values becomes closer to the mean</em>, and as more numbers are closer to the mean, the standard deviation becomes lower.
Measure = 1/2 (120-30)
1/2(90)
45
Answer = 45°