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lorasvet [3.4K]
3 years ago
7

Hãy chỉ cho tôi học thực hiện phép tính lớp 9

Mathematics
1 answer:
butalik [34]3 years ago
4 0

Answer:

thật ngu ngốc

Stethật ngu ngốcp-by-step explanation

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Suppose you choose a marble from a bag containing 6 red marbles , 2 white marbles and 5 blue marbles you return the first marble
algol [13]

Answer:

30/169

Step-by-step explanation:

We need to know how many marbles in the bag

6 red marbles + 2 white marbles + 5 blue marbles = 13 marbles

P (red) = red / total = 6/13

We then put the marble bad so there are still 13 marbles in the bag

P(blue) = blue /total = 5/13

P (red then blue ) = P(red) *P(blue)

                             = 6/13 * 5/13 = 30/169

8 0
4 years ago
performance task applying probability concepts i need the work shown w answers any help is appreciated :)
nydimaria [60]
Where is the question?
5 0
3 years ago
Find the coordinates of the midpoint M and the distance between P(-6, -1) and Q(1,2). Round to the nearest
mixas84 [53]

Answer:

8.0

Step-by-step explanation:

6 0
3 years ago
Julia surveyed twenty households on her street to determine the average number of children living in each household. the tables
Lerok [7]

The difference between the mean of the sample and the mean of the population is A. 0.55

<h3>Calculations and Parameters:</h3>

Given the population data is:

0 3 3 1 3 2 2 2 5 4 3 3 3 0 1 2 0 2 3 3

The sample data is:

5 3 0 2 4

The mean of the population data is:
45/20= 2.25

The mean of the sample data is:

14/5= 2.8

Therefore, the difference between the mean of the sample and the population is:

2.8-2.25= 0.55

Read more about mean here:

brainly.com/question/20118982

#SPJ4

4 0
2 years ago
Estimate: 26÷5 <br>A:4 <br>B:30<br>C:20<br>D:5<br>​
tangare [24]

Answer: 5

Step-by-step explanation:

26/5 = 5.2 = 5

6 0
3 years ago
Read 2 more answers
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