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Mathematics 22 Online
OpenStudy (anonymous):

Which of the following integers are congruent modulo 6? -147,-91,-22,14,-2,2,4,5,21,185

OpenStudy (cwrw238):

modulo arithmetic - thats a long way back Divide by 6 and find remainders eg 24 / 6 = 2 remainder 2. So 14 and 2 are congruent

OpenStudy (cwrw238):

sorry - thats 14/6

OpenStudy (cwrw238):

185 / 6 = 30 remainder 5 185 and 5 are congruent modulo 6

OpenStudy (anonymous):

Thank you

OpenStudy (cwrw238):

yw

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