Can an empty set be a universal set?

Mathematics

2 answers:

sertanlavr [38]3 years ago

8 0

Answer:

The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements.

elixir [45]3 years ago

6 0

Answer:

The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements, the empty set contains no elements of the subsets. The empty set is also called a Null set and is denoted by '{}'.

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Question 2: show working out

kherson [118]

Answer in fraction form is exactly 2/27
Answer in decimal form is approximately 0.07407

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Explanation:

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So 4+9+12 = 13+12 = 25 people play one instrument only or they play both.

We have 27 people total meaning that 27-25 = 2 play neither instrument.

Divide the values 2 and 27 to get
2/27 = 0.07407
this value is approximate (rounded to five decimal places)

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3 years ago

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