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What is The multiples 20 less than 90?
1, 2, 3, 4
How many Positive integers less than 1000 are multiples of 11 whose square roots are whole numbers?
Well, sweetheart, there are 9 positive integers less than 1000 that are multiples of 11 and have whole number square roots. Those integers are 11, 44, 99, 176, 275, 396, 539, 704, and 891. Math doesn't have to be boring, darling!
What are the multiples of 2 that are less than 30?
The multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, ...
How many positive integers less than 2009 are divisible by 28 but not by 12?
To find the positive integers less than 2009 that are divisible by 28 but not by 12, we need to find the multiples of 28 that are not multiples of 12. The least common multiple of 28 and 12 is 84, so we need to find multiples of 28 that are not multiples of 84. Since 28 = 2^2 * 7 and 84 = 2^2 * 3 * 7, the multiples of 28 that are not multiples of 84 are those that have an odd power of 2. The highest multiple of 28 less than 2009 that satisfies this condition is 1976. Therefore, there are 1976 / 28 = 71 positive integers less than 2009 that are divisible by 28 but not by 12.
Are all multiples of 6 also multiples of 2?
ALL even numbers are multiples of 2... so if there is an uneven multiples of six than they aren't multiple of two.
