Recent content by MichaelLiu

Hey @Opalg ! Thank you for your response! Would this be the correct answer? First way: 7C1 x 4C1 = 28 Second way: 7C2 x 4C1 = 84 Third way: 7C1 x 4C2 = 42 28 + 84 + 42 = 154 triangles

How many triangles can be made given the following dots? Thanks a lot!

Thanks a lot, @anemone ! Do you know the solution for part (b) as well?

Given the word "SWITZERLAND", in how many ways can we rearrange its letters so: a) There is at least one consonant between every vowel b) There is at least least two consonants between every vowel Thanks for your help!