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Nitella [24]
3 years ago
9

A bag contains 4 green, 3 blue, and 5 yellow marbles. What is the probability of selecting a green marble, replacing it, then se

lecting a yellow marble?
Mathematics
1 answer:
irakobra [83]3 years ago
7 0

Answer:

5/36

Step-by-step explanation:

  • Total number in the universe = 4 + 3 + 5 = 12
  • Probability of selecting a green (first time) = 4/12
  • Probability of selecting a yellow (2nd time) = 5/12
  • P(gr then yellow) = 4/12 * 5/12 = 20 / 144
  • This reduces to 5/36
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3 years ago
Elect all of the ordered pairs that make the inequality y > x2 + 3x – 4 true.
Svetach [21]

Answer: The question seems unclear on what answer is actually wanted however I'll try showing some steps which make the inequality true but in reversed manner.

y > x2 + 3x – 4
y+4 > x2 + 3x
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4 - 3x > x2 - y
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x < (x2 - y - 4)/-3

The above ways are some inequalities which can show the inequality true

∩_∩
(„• ֊ •„)♡
┏━∪∪━━━━┓
  hope it helped
┗━━━━━━━┛

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2 years ago
What is the slope of a trend line that passes through the points (5, 80) and (7 65)?
WINSTONCH [101]

Answer:

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Step-by-step explanation:

The slope is found by

m = (y2-y1)/(x2-x1)

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