Question

In how many ways can 1 man and 1 woman, in that order, be selected from 7 men and 8 women?

Answer 1

7C1 * 8C1

Answer 2

in that order : \[7\times 8\]

Answer 3

=56

Answer 4

is that the formula?

Answer 5

no that is the 'multiplication principle' which says if i can do one thing n ways and another thing m ways then the number of way i can do them both is n times m

Answer 6

like those problems that say you have 3 choice of appetizer, 4 of entrées and 2 desserts then you have 3*4*2 different possible meals

Answer 7

A department store manager wants to display 7 brands of a product along one shelf of an aisle. In how many ways can he arrange the brands?
so you would do 7*1?

Answer 8

think that you have seven slots in which to put 7 items. you have 7 choices for the first one. so far 7 ways

Answer 9

now one brand is used and so you have 6 choices for the next slot. so far 7*6

Answer 10

now you have 5 choices for the fifth slot, 4 choices for the 4th etc. and you have to multiply all these together by the multiplication principle

Answer 11

answer is
\[7\times 6\times 5\times 4\times 3\times 2 \times 1\]

Answer 12

this number is also written as 7!

Answer 13

ur awesome lol

Answer 14

ty

Answer 15

i have a worksheet on scp im reading the textbook but it dosent break it down for me to good so im just trying to understand it

Answer 16

scp?

Answer 17

sequential counting principle

Answer 18

got it
any more ?

Answer 19

o yea lol

Answer 20

got time for one more if you want to ask

Answer 21

At a high school cafeteria, diners can choose one vegetable from a choice of 4 vegetables, one meat from a choice of 3 meats, one serving of bread from among 4 breads, and a dessert from among 2 desserts. How many meal configurations are possible?

Answer 22

lol

Answer 23

we just did this remember? look above!

Answer 24

i would do 4*3*4*2?

Answer 25

xactly

Answer 26

yes but what confused me is when it says choose one vegetable from a choice of 4 vegetables,

Answer 27

so i thougt i had to do the 4*3*2*1

Answer 28

yes one choice of the 4, so you have 4 choices. silly english i know, but that is what it means.

Answer 29

now i will go have lunch myself. you look to be in good shape for this.

Answer 30

have a good lunch.. wish i can buy for helping me