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Alex73 [517]
3 years ago
6

S is a subset within a universal set, U. If S = {x, y, 4, 9, ?), which could describe U? U = {keys on a keyboard}

Mathematics
2 answers:
ki77a [65]3 years ago
8 0

Answer:

U = {keys on a keyboard}

Step-by-step explanation:

This is because x, y, 4, 9, ? are all keys located on a keyboard.

Katyanochek1 [597]3 years ago
4 0
Since U is a universal set where S is its subset, then set U should consist of all the letters, numbers and punctuation mark in a keyboard. In other words, universal set U consists of the following elements:
U = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
U = (x| x comprised of all the letters in the alphabet fro a to z)
U = (!,.,,,?,!:,;,",',-)
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