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telo118 [61]
3 years ago
7

The sum of two numbers is 7, and their difference is 1. What are the two numbers?

Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0
I think the two numbers are four and three. Hope this helps.
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A black shoe is selected at random from a bin of 6 black shoes and 4 brown shoes and not replaced. What is the probability that
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If 1 black shoe is selected from a bin of 6 black shoes and 4 brown shoes and not replaced, then there are 5 black shoes and 4 brown shoes remaining. To find the probability that the a black shoe will be selected out of 5 black shoes and 4 brown shoes, we divide the number of black shoes over the total number of shoes (Each selection of a shoe is independent).

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