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yawa3891 [41]
2 years ago
5

A bag contains 2 red marbles, 7 blue marbles and 8 green marbles. If two marbles are drawn out of the bag, what is the exact pro

bability that both marbles drawn will be blue?
Mathematics
1 answer:
dem82 [27]2 years ago
5 0
The overall probability it 7/17
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Answer:

  16.2

Step-by-step explanation:

The angle internal to the triangle at B is the supplement of the one shown, so is 65°. That is equal to the angle internal to the triangle at D. Since the vertical angles at C are congruent, the two triangles are similar by the AA theorem.

Corresponding sides of similar triangles are proportional, so we can write the proportion shown in the attachment:

  BC/FC = DC/AC

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Yup its right

Step-by-step explanation:

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