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# 1. Prove that the value of the expression a^2–a is divisible by 2 for...

1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2. Prove that the sum of three consecutive exponents of the number 2 is divisible by 14. ### Other questions on the subject: Mathematics Mathematics, 20.06.2019 18:04, umezinwachukwuebuka1
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Suppose that as a part of a game at a charity carnival players are invited to spin a wheel fora chance at winning either a small medium of large prize. the wheel is constructed so that the probability that a player wins a small prize is .45. if a random sample of 40 players is selected, then p is the proportion of players in the sample who win a small prize. draw the normal curve for the sampling distribution of p.
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1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2....

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