Answer:
the formula to find area of a circle is A=πr²
so the radius is 10
A=π10²
A=20π
I hope it helps
Find the common denominator for 3 and 10 which is 30 now the denominator is 30 and what you do with one side you do to the other so 6 7/10 turns into
6 21/30 and 2 1/3 turns into 2 10/30 now subtract them so 6 21/30-2 10/30=
4 11/30
The probability that a train is not late is 0.85
<h3>Probabilities</h3>
Probabilities are used to determine the chances of events.
The probability that a train is late is given as:
<h3 /><h3>Complement rule</h3>
The probability that a train is not late is calculated using the following complement rule
Substitute 0.15 for p
Hence, the probability that a train is not late is 0.85
Read more about probabilities at:
brainly.com/question/15246027
Answer: <13
Step-by-step explanation:
12 is the most, so 13 isn’t allowed. It has to be less than 13.
Answer: 81% of the variance in dependent variable is explained by this correlation .
Step-by-step explanation:
For X = Independent variable and Y=dependent variable,
If r= correlation coefficient , then we say <em> </em>of the<em> </em>variance in Y is explained by Variable X.
Given: r= 0.90
So, 81% of the variance in dependent variable is explained by this correlation .