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ziro4ka [17]
4 years ago
14

There are 10 boys trying out for the track team. Truman and Ryan are the two fastest runners. If the coach randomly picks two bo

ys to run a sprint, what is the probability that he will pick Truman and then Ryan?
Mathematics
1 answer:
vichka [17]4 years ago
5 0
10 kids total

picking Truman would be 1 out of 10 or 1/10

then there would be 9 kids left so picking Ryan would be 1 out of 9 or 1/9

the probability of picking both would be 1/10 * 1/9 = 1/90
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Since each consecutive odd integer is separated by a difference of  2

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Given that the sum of three consecutive odd integers is 76 less then seven times the middle number

Which means,

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That is,

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So we get:

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