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RSB [31]
2 years ago
8

LetA,B,CandDbe the following sets:A={red, blue, green, purple}B={red, red, green}C={red,{green}, red,{red, green},{green, green,

red}}D={blue, blue, blue, green, green, purple}Let the universal set forA,B,C,Dbe defined by:U={red, blue, purple, green}⋃P({red, blue, purple, green})Provide the answer to the following questions about the above sets. Justify your answers unless otherwisespecified.9(a) IsB⊆A? g
Mathematics
1 answer:
MAVERICK [17]2 years ago
6 0

Answer:

No it is not

Step-by-step explanation:

B is a subset of A but not all the elements in Set A are in B hence they don't contain equal elements

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Reduce <br>0.1 x squared - 8.1 x + 8 = 0 to<br>2x squared - x + 80 = 0<br><br>​
Yuliya22 [10]

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x = 8

x = -10

Step-by-step explanation:

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On the day a video was posted online, 5 people watched the video. The next day, the number of viewers have doubled. This trend c
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3 years ago
ANSWER PLEASE!!!!!!!!!!<br> if 5 hamburgers cost $12.50 how much would 12 hamburgers costs?
lubasha [3.4K]

Answer:

$30

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of
d1i1m1o1n [39]

The z-score of the sale of mobile phones on that day is 1.75

Step-by-step explanation:

The formula of z-score is z = (x - μ)/σ, where:

  • x is the score
  • μ is the mean
  • σ is the standard deviation

∵ The mean sale was 45

∴ μ = 45

∵ The standard deviation was 4

∴ σ = 4

∵ 52 mobile phones were sold on a particular day

∴ x = 52

To find z-score of the sale of mobile phones on that day substitute the values of x, μ, and σ in the formula of z-score

∵ z=\frac{52-45}{4}

∴ z=\frac{7}{4}

∴ z = 1.75

The z-score of the sale of mobile phones on that day is 1.75

Learn more:

You can learn more about z-score in brainly.com/question/7207785

#LearnwithBrainly

3 0
3 years ago
What is the smallest integer greater than 1 that is both the square of an integer and the cube of an integer?
serg [7]

Answer: 64

√64 = 8

∛64 = 4

5 0
2 years ago
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