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Virty [35]
4 years ago
10

Describe methods you can use to show a proportional relationship between two variables ,x and y. Each method, explains how you c

an find the unit rate and the slope.

Mathematics
1 answer:
ivann1987 [24]4 years ago
8 0

Answer: Find answer and explanation in the attached document.

Step-by-step explanation:

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b) How many ways can you deal cards (from a deck of 52) to 4 people when each player gets 7 cards. 2 hidden and 5 visible. Assum
Mariana [72]

Answer:

{52 \choose 7}{45 \choose 7}{38 \choose 7}{31 \choose 7}{7 \choose 2}^4

Step-by-step explanation:

The dealing of the cards can be seen in the following way:

We first have to choose which 7 cards are going to be dealt to the 1st player. So we have to pick 7 cards out of the 52 available cards. This can be done in {52 \choose 7} ways. Now that we have chosen which 7 cards are going to be dealt to the 1st player, we have to choose which 2 of them are going to be the hidden ones. So we have to pick 2 cards out of the 7 cards to be the hidden ones. This can be done in {7 \choose 2} ways. At this point we now know which cards are being dealt to the 1st player, and which ones are hidden for him. Then we have to choose which 7 cards to deal to the 2nd player, out of the remaining ones. So we have to pick 7 out of 52-7=45. (since 7 have been already dealt to the 1st player). This can be done in {45 \choose 7}. Then again, we have to pick which 2 are going to be the hidden cards for this 2nd player. So we have to pick 2 out of the 7. This can be done in {7 \choose 2} ways. Then we continue with the 3rd player. We have to choose 7 cards out of the remaining ones, which at this point are 52-7-7=38. This can be done in {38 \choose 7}. And again, we have to choose which ones are the hidden ones, which can be chosen in {7 \choose 2} ways. Finally, for the last player, we choose 7 out of the remaining cards, which are 52-7-7-7=31. This can be done in {31 \choose 7} ways. And choosing which ones are the hidden ones for this player can be done in {7 \choose 2} ways. At the end, we should multiply all our available choices on each step, to get the total choices or total ways to deal the cards to our 4 players (since dealing the cards is a process of several steps with many choices on each step).

{52 \choose 7}{7 \choose 2}{45 \choose 7}{7 \choose 2}{38 \choose 7}{7 \choose 2}{31 \choose 7}{7 \choose 2}={52 \choose 7}{45 \choose 7}{38 \choose 7}{31 \choose 7}{7 \choose 2}^4

7 0
4 years ago
suppose that there were a positive correlation between the variables u and v. if v is 24 when u is 10, which of these is most li
Mkey [24]

Answer: 48

Step-by-step explanation: I got it wrong and it said the correct answer was 48

6 0
4 years ago
Help please I really need this !!!!
stealth61 [152]

Answer:

List 2

Step-by-step explanation:

i got it right

5 0
3 years ago
Hey bro whats] the x and y for these ones write number for witch is witch
USPshnik [31]

picture one x=8 and y=4

picture two x=-18 and y=-10

picture three x=7 and y=8

give me 5 stars so i will get a crown

7 0
2 years ago
6th grade math help me plzzz
lara [203]

Answer

THE ANSWER IS C

Step-by-step explanation:

7 0
3 years ago
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