Two dice are thrown together. what is the probability of obtaining a triangular number?

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

there should be an link icon on the bottom of the text box you get. it looks like a paperclip!