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Four combinations: tam ham mat hat Hope it helps (:!

Q: How many three letter combinations can be made from the letters in the word Math?

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12

Letters used in math are called variables.

Yes, if the three points are collinear.

His

In algebra, letters like a, b, x, y, all represent numbers. We use letters like this when we have an unknown number.

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12

Letters used in math are called variables.

axis

Yes, if the three points are collinear.

bookkeeping

In a mathematial equation the letters wither represent a variable or a constant.

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12p5

In algebra, letters like a, b, x, y, all represent numbers. We use letters like this when we have an unknown number.

For the first letter, you can choose any of the four. For the second letter, you can choose any of the remaining three. For the third letter, you can choose either of the remaining two. For the fourth letter, you don't get a choice, you have to use the one that's left. So 4x3x2x1 = 24 possible permutations.

nCr=n!/r!/(n-r)!

Math uses letters to indicate that specific numbers are not known or as an abbreviation for certain constant.