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Alex
3 years ago
15

1. A bag contains the letters of the word “PROBABILITY”.

Mathematics
1 answer:
Mama L [17]3 years ago
6 0

Since "PROBABILITY" has 11 letters in it, then every letter has 1/11 chances of getting picked, so the chances of getting an O tile would be 1/11, same for getting a B tile. But if you were to get both of them consecutively, then the chances would be 1/11 of 1/11 because you have 1/11 of a chance to get and O and then 1/11 of a chance to get a B. So you would be looking for 1/11 of 1/11, which means multiplying the divisor, 11*11=121. Therefore, you should have 1/121 chance of getting an O and B tile.

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Can anyone walk me through this?
Fiesta28 [93]

Assuming that we are solving in terms of n.


Start by distributing:

2(n + 5)

(2*n) + (5*2)

2n + 10 = -2


Subtract 10 to start toward isolating your variable:

2n = -12


Divide by two to finish solving:

n = -6

6 0
3 years ago
Read 2 more answers
Please Help me Put the numbers to order them from least to greatest. -2.86 -0.37 0.91 0.19 1.46
svp [43]

Answer:

Switch .91 and .19 and you're good

Step-by-step explanation:

7 0
3 years ago
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What is the length of the line segment with endpoints (−3,8) and (7, 8) ? Enter your answer in the box
ki77a [65]
Length = √(y2-y1)² + (x2-x1)²
l = √(8-8)² + (7+3)²
l = √10²
l = 10

In short, Your Answer would be 10 units

Hope this helps!
6 0
3 years ago
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What is the answer to this math question -5+1 2/3
lakkis [162]
-5 + 1 and 2/3 = 3 1/3
4 0
2 years ago
Which of the following rational number between 3/7 and 7/8 ?
Charra [1.4K]

Answer:

Step-by-step explanation:

There are two ways to do this. You could use your calculator to find out the decimal numbers that are equivalent to the two given fractions. Then check which one of the givens falls between these two numbers. I wouldn't do it that way -- not when you are told that the answer has 56 as the denominator.  So ...

The best way to do it is to change the two givens so that they have a denominator of 56

3/7 = 3*8/7*8 = 24 / 56

7*7 / 7*8 = 49 / 46

So you need a number that is between 49 and 24

There is only one 27 / 56

6 0
2 years ago
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