Select the sets that are not functions.
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The general equation for computing the circumference of a circle is 
, where C is the circumference, and d is the diameter. (You might also see the equation as 
where r is the radius, because 
)
Computing the circumferences of the two circles, we get:
.
To calculate the ratio of two numbers, we can divide one by the other. You can look at this as "How many times does the denominator fit in the numerator?"
So the circumference of the complex impact crater is 2 times greater than the circumference of the simple impact crater.
Computing the circumferences of the two circles, we get:
To calculate the ratio of two numbers, we can divide one by the other. You can look at this as "How many times does the denominator fit in the numerator?"
So the circumference of the complex impact crater is 2 times greater than the circumference of the simple impact crater.
Total number of marbles = 10
Number of red marbles = 4
Number of blue marbles = 6
Probability =
The probability that the first marble is blue =
The probability that the first marble is red = ; 9 because 1 marble has already been taken out.
Joint probability= probability of event A * Probability of event B
= =