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-BARSIC- [3]
3 years ago
9

Suppose U={1,2,3,4,5} is the universal ser and A={2,3}.what is A?

Mathematics
1 answer:
GaryK [48]3 years ago
6 0

Answer:

A is a subset of U.

Step-by-step explanation:

  • A set is usually defined as a collection of elements. In this case, U={1,2,3,4,5} is a set that contains the elements 1,2,3,4, and 5. A subset is a <u>set that has been formed by elements of another set.</u> Any selection of the elements of the set {1,2,3,4,5} can be a subset of U. For example, {1,2} is a subset of U, because it is formed by elements of U.
  • In this case, A={2,3} is another set, whose elements lie inside set U. Then. A is a subset of U.
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Answer:

y = 10

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Step-by-step explanation:

From the U theorem the sum of these two angles 120+2x+y = 180

same goes for the bottom part too:

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120+2x+y + 2x-y+140 = 180 + 180 add like terms (-y will eliminate +y)

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Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

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In this question:

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