math helppp pleasee :)?

Question

eleven people are standing in a straight line to take a picture. however, jeff and michelle want to stand next to each other. how many distinctive ways are there to order the people in a straight line with the above condition?

thankss :)

Update:

oo one more problem pleasee :)

a fair coin is flipped three times and a fair die is rolled two times. what is the probability that the result comes out to be one head and the sume of the rolled numbers greater than 8?

Answer 1

Favorite Answer

You consider jeff & michelle as 1 unit , now you have 10 people in a line.

Also Jeff & Michelle can stand JM or MJ (two ways)

Answer 10P1* 2C1 = 10! * 2! = 7 257 600

Answer 2

2! *10!

Source(s): my brain

Answer 3

I would say 11! - 2(2!)