Mathematics

Mathematics, 18.10.2019 23:00, quinteroalex2001

Alice's grandmother age is a composite number between 70 and 80. this number has a factor of 11. what number is it ?

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Mathematics, 23.06.2019 18:40, india73

Which is a true statement about the number 1? a. one is a factor of every whole number since every number is divisible by itself. b. one is not a factor of any number because it is neither a prime number nor a composite number. c. one is a prime number because it has less than two factors. d. one is a composite number because it has more than two factors.

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Mathematics, 02.09.2019 19:20, autumnguidry6867

Alice and bob have two positive integers, x and y respectively, glued to their foreheads, so that each can read the other’s number but not their own. they also know that |x − y| = 1. the following conversation is overheard between alice and bob: alice: i don’t know my number. bob: i don’t know my number. alice: i don’t know my number. bob: i don’t know my number. they say this to each other 200 times. and then we overhear them say: alice: i know my number! bob: i know my number too! can you explain the conversation and figure out the numbers x and y. you may assume that alice and bob each know that the other is extremely smart — so each is confident that if the other has sufficient information to deduce the answer then he/she definitely will.

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Mathematics, 19.09.2019 18:20, Binger4115

Which is a true statement about the number 1? one is a factor of every whole number since every number is divisible by itself. ❌one is not a factor of any number because it is neither a prime number nor a composite number. one is a prime number because it has less than two factors. one is a composite number because it has more than two factors. so wich one is correct

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Mathematics, 25.10.2019 06:43, keltaylor

Reggie ate 31 raisins which correctly describes 31 as a prime number or a composite number and tells the number of factor pairs 31 has? a 31 is a prime number because it has 0 factor pairs. b 31 is a prime number because it has 1 factor pair. c 31 is a composite number because it has 1 factor pair d 31 is a composite number because it has 2 factor pairs

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