Mathematics, 24.08.2019 13:10 ally0817
Three mathematicians are applying for a job. there are five hats, three white, two black. they’re lined up, and a hat is placed on each. the first person in line cannot see any hat; the second in line sees only the hat of the person in front of him; the third person sees only the hats of the two people in front of her. the first person to correctly figure out what color hat he has gets the job; you guess wrong and you are killed. assume these are intelligent mathematicians, and that they will do the logically correct thing at each stage — if something can be deduced, they will figure it out.
after a long pause, the first person, who cannot see any hats, says he knows the color of his hat. what is the color, and how does he know?
Answers: 1
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An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.
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Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?
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Factor the expression using the gcf. the expression 21m−49n factored using the gcf
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The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
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Three mathematicians are applying for a job. there are five hats, three white, two black. they’re li...
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