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IceJOKER [234]
3 years ago
15

A bag contains 8 blue marbles, 11 green marbles, and 7 red marbles. Which is the probability of drawing a green marble, replacin

g it AND then drawing a red marble from the bag?
A. 18

B. 77/676

C. 9/13
Mathematics
2 answers:
aev [14]3 years ago
8 0

Answer:

I think it would be C. 9/13.

Arturiano [62]3 years ago
5 0

Answer:

B

Step-by-step explanation:

11/26 x 7/26 = 77/676

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Answer:

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3 years ago
Use the diagram below: H is the circumcenter of triangle BCD, BC = 18 and HD = 14. Find EH.
just olya [345]

Answer:

  • 10.72

Step-by-step explanation:

<h3>Given</h3>
  • H is the circumcenter of triangle BCD,
  • BC = 18
  • HD = 14
<h3>To find </h3>
  • Length of EH
<h3>Solution</h3>
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  • Point E is midpoint of BC, therefore BE = 1/2BC

<u>Using Pythagorean, finding the value of EH:</u>

  • EH = √(BH² - BE²) = √(14² - (18/2)²) = √(196 - 81) = √115 = 10.72
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