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1.Ohio entered the union on march1,1803, which can be written as 3/1/03. The date 3/1/03 is a " friendly date' because the product of the month and day is equal to value of the last two digits of the year. How many friendly date occur druing the year 2099?
2.A penny , a nickel and a dime are tossed simultaneously. What is the probability that exactly two of the coin show head when they land? Expreaa your answer as a common fraction.
3.four differenet coin are used in australia with values of 5,10,20 and 50 cents. The australian coin in sampson's pocket have a total value of 3.95, and he has at least one of each coin. What is the smallest number of coin that he could have in his pocket?
2006-12-03
18:31:25
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6 answers
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ghgh
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