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Mathematics, 06.01.2020 18:31 kennyg02
Ascientist wants to research the potential spread of germs by contact. she knows that the number of possible handshakes within a group of n people is given by the equation nequalsone half left parenthesis n squared minus n right parenthesis . everyone at a party shook hands. there were 171 handshakes in all. how many people attended the? party?
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Ascientist wants to research the potential spread of germs by contact. she knows that the number of...
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