jamiffgg

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658

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test

Abraham’s mathematics exam had 30 algebra questions and 50 geometry ques-
tions, each worth 1 mark. He got 70% of the algebra questions correct, and
his overall exam mark was 80%. How many geometry questions did he answer
correctly? read more ..

jamiffgg Apr 11, 2020

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561

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help!

The number 6 has exactly four positive divisors: 1, 2, 3 and 6. What is the
the smallest positive integer that has exactly five divisors?

jamiffgg Apr 11, 2020