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kow [346]
3 years ago
7

A 3x4x5 rectangular cuboid (e.g. a brick) is painted blue and cut into 1x1 cubes. what is the expected value for the painted sid

es of a randomly selected cube?
Mathematics
1 answer:
Anton [14]3 years ago
4 0

Answer:

8 cubes are painted on 3 sides

24 cubes are painted on 2 sides

22 cubes are painted on 1 sides

6 cubes are painted on 0 side

E = 3 * 8/60 + 2 * 24/60 + 1 * 22/60 + 0 * 6/60 = 47/30 = 1.567

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Step-by-step explanation:

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6x - 5y = 15, x=y+3 what does x and y equal
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

6x - 5y = 15....... (1)

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3 years ago
An item is priced at $80. It is on sale for 20% off the regular price. What is the sale price?
Masja [62]
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Answer: The Sale Price is $64.
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3 years ago
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Ksenya-84 [330]

Answer:

scale factor of 4

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3 0
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