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Earn +20 ptsQ: Everybody in a party shakes hands with everybody else the total number of persons in the room are 12How many ways are there of shaking hands?
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Continue Learning about Other Math
Which region had the largest number of persons 65 and over?
South
The number of persons per square kilometer in a country is called?
Population density.
What times what equals 11?
34
Why the number system was invented?
For a long time, people had no way to buy, sell, pay for, weigh, count, cook, measure, or build anything, and I can tell you they were getting just plain sick of it. Then one day a guy named Bernie from Cave-76 invented a system of numbers that made life much easier for everybody, and they all lived happily ever after.
There are 8 people at a party each person shakes hands with everybody else once how many handshakes are there?
28. The formula is (n * (n-1)) / 2, where n represents the number of people. You divde by 2 because each handshake covers two possibilities (ie, person #1 to person #8 is the same as person #8 to person #1).
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