Jaysonwantsmoore Jaysonwantsmoore
  • 25-06-2020
  • Mathematics
contestada

If A={A,15,E,17,18, B,20} and B={ X,22, F,42, Y,62,72}, then what is n(A∪B)?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 06-07-2020

Answer:

  14

Step-by-step explanation:

There are 7 elements in each set, and no elements are shared. The number of elements in the union of the sets is then ...

  n(A∪B) = 7+7 = 14

Answer Link

Otras preguntas

Each pail of plaster covers 90 square feet of ceiling. What is the least number of plaster you would need to buy to cover the ceiling of a square room with wall
The Supreme Court reviewing and ruling on acts of other branches of the government is called a. supremacy. c. judicial review. b. law review. d. Supreme ruling.
What is the basic building block of all matter
Which of the following is NOT an element of poetic structure? A. Meter B. Stanza C. Refrain D. Imagery
Multiply these binomials using foil method (b+3)(b-9)
American urbanization during the first half of the 19th century was made possible primarily because of advances in A) consumer electricity. B) food preparation
mrs randall earns £235 per week. she receives a 3% pay rise. calculate the pay rise and her new weekly wage
What can a karyotype inform us about a person?
Which of the following most effectively condenses the underlined sentence by using deletion and substitution? A. After all, how could one prove one had flown an
NO FAKE ANSWERS OR ELSE I WILL REPORT What is the average temperature or range of temperature in a desert?