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Ymorist [56]
3 years ago
12

A bag contains 5 red marbles, 6 green marbles, and 3 blue marbles. If Cymra draws a marble, keeps it and then draws another marb

le, what is the probability that both marbles she draws will be red? 5/14×5/14 5/14 ×4/13 5/14×4/14 4/14×5/14
Mathematics
1 answer:
Tasya [4]3 years ago
8 0

Answer:

2.8

Step-by-step explanation:

the question says.... that we have 5 red, 6 green and then 3 blue....

we would 5+6+3=14 .....then 14÷5...because it was a red ball..... so 14 ÷5 = 2.8

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9 longer sticks were used.
This is how i get it.
1. change m to cm, 1m =100cm
2. add both together, divide by 16 =8.125. Which means 1 of the stick should more than 8, and 1 of the other stick should be less than 8
3. substitute the equation
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4 years ago
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7 0
3 years ago
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Step-by-step explanation:

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3 years ago
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6 0
3 years ago
A. Steven wrote an expression with 2 terms. The second term, which is the whole number 7, is subtracted from the first term. The
bulgar [2K]

Answer:

Part a)

Steve's expression is 2(2x+5)^{2}-7

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Part b)

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(3x^{2})+(25x)

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Step-by-step explanation:

Part a)

Let

n-----> the first term

The expression is

(n-7)

n=2(2x+5)^{2}

substitute

Steve's expression is

2(2x+5)^{2}-7

Evaluate for x=3

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Part b)

Let

n-----> the first term

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(3x^{2})+(25x)

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4 0
3 years ago
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