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Serga [27]
3 years ago
8

There is a bag filled with 2 blue, 4 red and 3 green marbles. A marble is taken at random from the bag, the colour is noted and

then it is replaced. Another marble is taken at random. What is the probability of getting 2 the same colour?
Mathematics
1 answer:
Elis [28]3 years ago
7 0

Answer:

9 to 2 = 2+4+3=9 2 picks all together you have 9 marbles and you have 2 picks this will give you a ratio of 9 to 2

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What us the answer for this question $64 jacket; 20% discount
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$51.20 is the answer just use a calculator

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HELP ILL GIVE BRAINLIEST
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How do I solve mn + 9 when m= 5 and n= 3 do I multiply?
Natasha2012 [34]

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Step-by-step explanation:

5 0
3 years ago
Salim and Asma are going to a fair to enjoy themselves. Their parents give Rs 49 and Rs 45 respectively as spending money. At th
Galina-37 [17]

First, let's make a variable to represent the total amount of money each spent.

How about 'r'?

Since they both spent the same amount of money, you can represent the money they have left with these two equations:

49 - r

45 - r

Because one has 3 times more than the other, it can be represented like this:

49 - r = 3(45 - r)

49 - r = 135 - 3r

Subtract 49 from both sides:

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2r = 86

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They've both spent Rs 43

Good luck!

8 0
4 years ago
Simplify this algebraic expression completely.
nydimaria [60]

Answer:

2 (3 y - 4) <- Complete answer, but since you only have those choices it's

6 y - 8

Step-by-step explanation:

Simplify the following:

8 y - 2 (y + 4)

Hint: | Distribute -2 over y + 4.

-2 (y + 4) = -2 y - 8:

8 y + -2 y - 8

Hint: | Group like terms in 8 y - 2 y - 8.

Grouping like terms, 8 y - 2 y - 8 = (8 y - 2 y) - 8:

(8 y - 2 y) - 8

Hint: | Combine like terms in 8 y - 2 y.

8 y - 2 y = 6 y:

6 y - 8

Hint: | Factor out the greatest common divisor of the coefficients of 6 y - 8.

Factor 2 out of 6 y - 8:

Answer: 2 (3 y - 4)

5 0
3 years ago
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