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iris [78.8K]
3 years ago
10

As shown in figure

mula">
​

Mathematics
1 answer:
Ber [7]3 years ago
7 0

Answer:

12. \sqrt{3}(2+\sqrt{6} )

13. 9√2

Step-by-step explanation:

12. 4√3-√12+√18

4√3-2√3+√18

2√3+√18

\sqrt{3}(2+\sqrt{6} )

13.(2√12-3√1/3)√6

(4√3 - 3√(1/3))√6

4√18 - 3√(6/3)

12√2-3√2

9√2

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Step-by-step explanation:

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The  second (middle ) graph is the only one that works.

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The probability of her getting a red marble is the number of red marbles divided by the number of total marbles. Since she picked a green marble first, we must subtract one marble from the total number of marbles, so that the total # of marbles is 6 + 6 + 4 = 16 - 1 (green marble) = 15. Since there are 6 red marbles, our probability is 6/15 or 2/5. Converted to percentage form, this is 0.4 —> 40%
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