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aleksklad [387]
2 years ago
11

1. Define sets

Mathematics
1 answer:
Rudik [331]2 years ago
4 0

Answer:

  • Set is a collection of specified object.
  • The types of set are Finite Set. A set which contains a definite number of elements is called a finite set. ...

Infinite Set. A set which contains infinite number of elements is called an infinite set. ...

Subset. ...

Proper Subset. ...

Universal Set. ...

Empty Set or Null Set. ...

Singleton Set or Unit Set. ...

Equal Set.

  • The operation used on sets are. 1 Intersection 2.Union 3.Difference 4.Compelement

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12

Step-by-step explanation:

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Cell phone companies estimate that the total number of text messages (t) since the beginning of the month can be modeled by t=40
GalinKa [24]

The desired number is the difference between the number of messages sent by the 16th day and the number sent by the 9th day:

... n = t(16) - t(9)

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3 years ago
Please help me with this question!
BigorU [14]
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3 0
3 years ago
A coat at a store is originally priced at $54.99. The store marks the price down to $32.99. To the nearest percent, what is the
Dmitry_Shevchenko [17]

Answer:

66.6%

Step-by-step explanation:

Step one

given

A coat at a store is originally priced at $54.99

The store marks down the price down to $32.99

Required

the percent decrease

Step two:

the percent decrease= change in price/ old price*100

the percent decrease= 54.99-32.99/54.99*100

the percent decrease= 22/ 32.99*100

the percent decrease= 0.666*100

the percent decrease= 66.6%

6 0
3 years ago
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