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60 numbers

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โˆ™ 2012-11-03 21:03:27
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How many two digit counting numbers are either multiples of 2 or multiples of 3?
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How many three-digit counting numbers are not multiples of 2?

The 3-digit counting numbers are 100 through 999 = 900 numbers.Half them are multiples of 2 (even numbers).The other half are not . . . 450 of them.


How many two-digit counting numbers are either multiples of 2 or multiples of 3?

45 multiples of 2 plus 30 multiples of 3 minus 15 multiples of 6 equals 60 numbers


How many three-digit counting numbers are not multiples of 5?

There are 720 of them.


How many four-digit counting numbers are not multiples of 10?

8100


How many two-digit counting numbers are greater than 70 or a multiple of ten?

- There are an infinite number of "counting numbers" that are greater than 70. - There are also an infinite number of "counting number" that are multiples of 10. So.... since you used an "OR" statement, this mean how many number are true for both statements above. That would be: AN INFINITE NUMBER of counting numbers. In fact, if you had said "AND", it still would be an infinite number: 80, 90, 100, ... and so on FOREVER. * * * * * The above answer has interpreted the questions as "two-digit counting numbers greater than 70" OR "a multiple of ten". Apart from the fact that there are not an infinite number of two-digit counting numbers greater than 70, the answer would be correct. But the answer could be interpreted as "two digit counting numbers" that are "greater than 70" OR "a multiple of ten". In that case, the first set is {71, 72, ... 99} and the second is {10, 20, 30, ... 90} with an intersection set consisting of {80 and 90} So there are 29 + 9 - 2 = 36 such number.

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How many two-digit counting numbers are either multiples of 2 or multiples of 3?

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