Jody has 3 red marbles, 6 blue marbles, and 8 yellow marbles. What is the ratio of red marbles to blue marbles?
1 answer:
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Option B: is the area of the compact disc.
Explanation:
The diameter of the compact disc is .
To determine the area of the compact disc, let us substitute the values in the area of the circle formula,
where
Substituting the value of d in , we get,
Thus, and
. Let us substitute these values in
, we get,
Simplifying, we have,
Multiplying, we get,
Thus, the area of the compact disc is
Hence, Option B is the correct answer.