mayamaria2614 mayamaria2614
  • 16-10-2020
  • Mathematics
contestada

Suppose n(U) = 150, n(A) = 35, and n(B) = 89.
(a) If n(A U B) = 90, find n(A n B).

Respuesta :

UtsabDuwadi
UtsabDuwadi UtsabDuwadi
  • 16-10-2020

Answer:

34

first of all use formula:

n(AUB)=n(A)+n(B)-n(AnB)

Answer Link

Otras preguntas

explain the difference between these 3 types of galaxies. elliptical galaxies spiral galaxies barred spiral galaxies
what part of speech is few
Complete the paragraphs with the simple past forms of the verbs in parentheses. Use contractions when possible.
The region where a community lives can shape many aspects of the body. For instance, darker skin is common in tropical regions and those who live in exceptional
Explain how the oxygen found in earths atmosphere is related to plants
Tu peux aider moi sur cet travaille
'' Excerpt from run away home
help pls hurry! no links
A store owner bought a shirt wholesale for $35 and sold it in her store for $50. What is the percent increase?
How many calories would the American Academy of Pediatrics initially recommend for a 3. 3 pound infant that was born at 32 weeks gestation