michelleperezmp58 michelleperezmp58

25-09-2019
Mathematics

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For Exercises 51–60, use the following information:

U = {x | x is a natural number less than 20}

A = {x | x is an odd natural number less than 16}

B = {x | x is a prime number greater than 5}

(Note: The prime numbers less than 20 are 2, 3, 5, 7, 11, 13, 17, and 19.) Find the cardinality of each set.

Answer

58.

n(B′)

Respuesta :

sqdancefan sqdancefan

26-09-2019

Answer:

15

Step-by-step explanation:

We assume your "natural numbers" are positive integers. (Some authors also include zero.)

n(B) = 5

n(U) = 20

n(B') = 20 -5 = 15

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