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Viktor [21]
3 years ago
6

There are 4 pieces of paper, numbered 10 to 13, in a hat. After another numbered piece of paper is added, the probability of pic

king a number between 10 and 13 inclusive is 4/5. Which of the following numbers could
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0

Answer: The fifth piece of paper could have any number 9 and less or 14 and greater.

Step-by-step explanation:  The list of choices is not given in the question, but it makes sense that the new number would not be a duplicate of any of the numbers 10, 11, 12, 13. Otherwise that would change the probability to 5/5.

So any other number could be a possibility.

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Model 2 equivalent fractions for 9 eighths
siniylev [52]
19/16 and also 81/72 
6 0
4 years ago
Read 2 more answers
Solve for x: 2/3+1/3x=2x
velikii [3]

Answer:

x=2/5 or

x=0.4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Given two points A and B, there is only one segment that you can name: AB. With three collinear points A, B, and C, there are th
aksik [14]

Answer: 10

Imagine you have 2 slots or boxes that are empty. They represent the possible choices for the letter you pick. For example, you can place B in slot 1 and D in slot 2. There are 5 choices for slot 1 (A,B,C,D,E) and four choices for slot 2. Why 4? Because after we pick the letter for slot 1, we have one less letter to pick from. We can't reuse that letter.

Now multiply those values 5 and 4 to get 20. There are 20 different ways to pick a pair of letters from a pool of 5 total. However, order does NOT matter because the segment AB is the same as BA. Since order doesn't matter, we are doubly counting when we shouldn't. In other words, our count is two times higher than it should be. Instead of 20 pairs, it's actually 20/2 = 10 pairs. That's why the answer is 10.

The list of 10 segments are: {AB,AC,AD,AE,BC,BD,BE,CD,CE,DE}

Side note: you can use the nCr combination formula with n = 5 and r = 2 to get the same answer.

4 0
3 years ago
Please help me and explain well!
Fynjy0 [20]

Answer:

i can see the image

Step-by-step explanation:

brainliest me

8 0
2 years ago
Mr. Smith's class has 28 students. They all put in an equal amount of money to get Mr. Smith an end of year gift. If they collec
ivann1987 [24]

Answer:

Step-by-step explanation:

28 students all give $128

so,

\sqrt[28]{128}= v  v=6

Each student gave 6 dollars. This is true due to the fact that

\sqrt[28]{128}=6

28X6=128

3 0
2 years ago
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