Answer:
x=1
y=2
Step-by-step explanation:
Multiply the second equation by 2
and then solve!
Answer:



Step-by-step explanation:



I am joyous to assist you anytime.
Answer:
You divide the circumference by 2
Step-by-step explanation:
Divide the circumference by pi or 3.14 for an estimation. The result is the circle's diameter.
Divide the diameter by 2.
Answer:
78.88%
Step-by-step explanation:
We have been given that

The z-score formula is given by

For 

For 

Now, we find the corresponding probability from the standard z score table.
For the z score -1.25, we have the probability 0.1056
For the z score 1.25, we have the probability 0.8944
Therefore, the percent of the trees that are between 20 and 30 years old is given by
0.8944 - 0.1056
= 0.7888
=78.88%
Since, we don't have the actual graph, I cannot give you a final answer. However, I can explain how to find the answer.
If you are looking for the color that the fans like the least, just pick the bar that is the smallest. This will be the correct answer.