there are 6 red, 3 blue, 5 green, and 4 yellow marbles in a bag. two marbles are removed from the bag, one after another, withou
t replacement. what is the probability that both marbles removed from the bag are red?
1 answer:
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Break this problem down first. You have two lines each with length of 5. You also have two halves of a circle, combine them to get a full circle with a radius of 2. The formula to find the perimeter of a circle is
and this gives a perimeter of 12.566 for the circle. Add this to your sides and you get a total of 22.566 which is answer B
and this gives a perimeter of 12.566 for the circle. Add this to your sides and you get a total of 22.566 which is answer B