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eimsori [14]
3 years ago
11

The sum of a number, 1/6 of that number, 2/1/2 of that number, and 7 is 12/1/2. Find that number

Mathematics
1 answer:
kati45 [8]3 years ago
8 0
18/7. Is this the correct answer.
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C= 2 7r; for r<br> Plzz help
Nutka1998 [239]

Answer:

C/27=r

Step-by-step explanation:

C= 2 7r

C \div 27= 2 7r \div 27

C/27=r

5 0
3 years ago
Read 2 more answers
(14, -8 ) and (7, -6)
Aleksandr [31]

Answer:

-0.28

Step-by-step explanation:

(-6)-(-8)=2.

7-14=-7

2/-7=-0.28

5 0
3 years ago
Read 2 more answers
Consider rolling two fair dice one 3-sided the other 5-sided
Ne4ueva [31]

Since the dice are fair and the rolling are independent, each single outcome has probability 1/15. Every time we choose

1\leq x\leq 3,\quad 1\leq y \leq 5

We have P(X=x)=\frac{1}{3} and P(Y=y)=\frac{1}{5}, because the dice are fair.

Now we use the assumption of independence to claim that

P(X=x, Y=y) = P(X=x)\cdot P(Y=y) =\dfrac{1}{3}\cdot\dfrac{1}{5} = \dfrac{1}{15}

Now, we simply have to count in how many ways we can obtain every possible outcome for the sum. Consider the attached table: we can see that we can obtain:

  • 2 in a unique way (1+1)
  • 3 in two possible ways (1+2, 2+1)
  • 4 in three possible ways
  • 5 in three possible ways
  • 6 in three possible ways
  • 7 in two possible ways
  • 8 in a unique way

This implies that the probabilities of the outcomes of W=X+Y are the number of possible ways divided by 15: we can obtain 2 and 8 with probability 1/15, 3 and 7 with probability 2/15, and 4, 5 and 6 with probabilities 3/15=1/5

8 0
3 years ago
Um gato come 5 ratos por dia. Quantos ratos 5 gatos comem em 5dias?​
hram777 [196]

Answer:

1 gato come 5 ratos em 1 dia X 5 = 5 gatos come 25 ratos por dia

5 gatos come 25 ratos por dia X 5 = 25 gatos come 125 ratos por dia

5 0
2 years ago
Can someone help me this is urgent I really apressuare if someone did this at time please
Mariulka [41]
What's the question?

7 0
3 years ago
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