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sladkih [1.3K]
4 years ago
13

I have 3 red marbles, 7 green marbles. probability of me getting green marble?

Mathematics
2 answers:
Eduardwww [97]4 years ago
6 0

Answer:

70%

Step-by-step explanation:

7 is 70% of 10.

3 is 30% of 10.

There is a 70% chance you get a green marble.

Sidana [21]4 years ago
3 0

Answer:

70%

Step-by-step explanation:

hpe it helps

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Can someone explain the steps to me. Please?
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juilo is paid 1.4 times his normal hourly rate for each hour he works over 30 hours in a week. Last week he worked 35hours and e
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So for a 30 hr week he will earn 11.80 * 30  =  $354

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4 0
4 years ago
Solve 3x + 9 = 24.<br> A. x = 5<br> B. x = 11<br> C. x = 12<br> D. x = 18
DIA [1.3K]

Answer:

A. x = 5

Step-by-step explanation:

3x + 9 = 24

→ Minus 9 from both sides

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4 0
2 years ago
John wants to nail a thumbtack on his circular board, pictured below. If the thumbtack is equally likely to be placed anywhere o
Nikitich [7]

Answer: A. 51%

Step-by-step explanation:

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In the figure below, we have the complete question.

According to that,

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Radius of inner circle = 5ft

The probability that the thumbtack will be placed on the inner circle

=\dfrac{\text{Area of inner circle}}{\text{Area of outer circle}}\\\\=\dfrac{\pi (5)^2}{\pi (7)^2}\\\\=\dfrac{25}{49}[π is canceled from numerator and denominator

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So, the probability that the thumbtack will be placed on the inner circle = 51%

Hence, the correct option is A. 51%.

6 0
3 years ago
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