I need these questions answered!?

Question

Well I'm doing this on a 'at home' exam book.

these are the last questions left to get my math credit for school.

here they are.

1.Write this in words

7C4

2.find the value of each of the following

6!

3!

5P3

7P4

7C4

______________

1How many ways can you arrange 6 books on a shelf?

2. A coach has 20 players. how many ways can the coach select 5 players to start the game?(assume that any play can play any position.)

Heres the last one

There is an upcoming election for mayor in Town X. The candidates are Jones, Smith, and Lee. In a poll 200 voters were selected at random 82 said that they would vote for Jones for mayor, 38 said they would vote for Smith, 59 would vote for Lee, and 21 were undecided. If there are 30,000 registered voters, how many votes can each of the three candidates expect to get?

Thanks for the help.

If this stuff seems a little 'easy' for you. have in mind that I have a disability in learning math.

Answer 1

you should ask your parents to help you not copying the answers from the internet!!!!!!

Answer 2

yea asking for help is the answe, if someone tells u on the internet u will never know how to work it out again, if u find out how to do them and they come up again u know wtf to do

Answer 3

honestly...your questions are hard!! LOLS..well i just wanna wish ya food luck in looking for the answers

Answer 4

! means factorial (multiply the number by all those that come before it). So 6! = 6 x 5 x 4 x 3 x 2 x 1 and 3! =  3 x 2 x 1

Answer 5

dam dont get it hope you figure it out!

Answer 6

Well, if this is an exam, the most I can do is offer you help on the few questions I understand.

For the "books" question, it may help you to actually acquire six books, or six of anything. For instance, take six different colour pencils (for this example, we'll say they're the colours of the rainbow: red, orange, yellow, green, blue, purple.) Line them up in colour order, as stated above. Count how many ways you can have a colour in each position. But a much EASIER way is to take the amount of books (six) and multiply it by the number of positions (six). I pretty much just spelled out the answer, but I'll make an example anyway. If I have four shirts and 3 pants, I can make a total of twelve different outfits.

I think you can apply this same lesson to the coach questions.

As for the voters, well I think this is about fractions. For instance, 82 out of 200 would vote for Jones (82/200). If 30.000 people is 150 times more people than 200 (divide 30.000 by 200), then simply take 82 times 150. So Jones can expect 12.300 out of 30.000 voters. Take this same lesson to the other candidates.

Please note that you should not 100% trust my answers, nor any answer anyone else on the internet provides. I can not promise you my techniques are accurate or correct, this is simply what I recall from my own math lessons.

Answer 7

The key word here is EXAM.  It's bad enough when people ask us to do their homework for them, but you want us to do your exam for you?!?!