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Answers by Kelly M.

ajacent angles (answer)

  Pictures are the easiest way to visualize adjacent and verticle angles.  Below are two links which illistrate the concepts. http://www.mathsisfun.com/geometry/adjacent-angles.html http://www.mathsisfun.com/definitions/vertical-angles.html

is any factor of 9 or 3 as a denominator always to be a decimal? (answer)

No, it is not always a decimal.  For example 3 is a factor of 9.  If you have 3 in both the numerator and denominator the expression is equal to 1.0 which is a whole number, not a decimal number.  A second example would be taking the factor 1 which could again equal 1.0 (when you...

what are all the common multiples of 12 and 15 (answer)

To determine the multiple of a number multiple that number by 1, 2, 3, 4, etc.  For example, the multiples of 5 are: 5, 10, 15, 20, 25, 30, 35, 40, etc. (5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15 and so on). The multiples of 10 are: 10, 20, 30, 40, etc. To find the common multiples of...

How can one division expression have more than one answer? (answer)

I think in this context the division expression referred to is any number divided by any other number. For example take the expression 30 divided by 6 which can be written as 30/6. In its simplest form it is equal to 5. However it could also be expressed as 15 divided by 3 (also written as 15/3)...