cygwtgp464 cygwtgp464

02-10-2021
Mathematics

contestada

no(A) = nob)-D CAO B) =40
n (AUB)= 10
n(U) =?

Respuesta :

goatpro961 goatpro961

02-10-2021

Answer:
n(A)=30
Step-by-step explanation:
n(A)+ n(B) -n(A∩B)=n(AUB)
let n(A) = x
x+20-10=40
x+10=40
x=40-10
x=30
hope this will help u

Answer Link

Otras preguntas

Energy in most ecosystems must flow through autotrophs because ______.

In 1734, a group of Austrian Protestants known as the Salzburgers arrived in the Georgia colony. What was the name of the settlement they built 25 miles northwe

What were the two primary drawbacks to the American Industrial Revolution?

15. After the Iranian Revolution of 1979 brought the Ayatollah Khomeini to power, fundamentalist Islamic sharia law was infused into Iranian government policie

Help on logarithmic equation

Billy is creating a circular garden divided into 8 equal sections. The diameter of the garden is 12 feet. What is the area of one section of the garden ? Explai

What is the sum of the positive integers k such that k/27 is greater than 2/3 and less than 8/9?

How are the types of energy in the electromagnetic spectrum defined? (Points : 3) by their atomic structure by their color by their amplitude by their wavelengt

A state's representation in the U.S. House of Representatives is based MOST specifically on A) equal representation. B) the state's population. C) the state's e

what is 39:60 as a fraction, decimal, and a percent?