mschwartz1901 mschwartz1901
  • 24-09-2021
  • Mathematics
contestada

Find the cardinality properties of n(G)=20, n(H)=30, n(G ∩ H) =5, find n(G ∪ H)

Respuesta :

LammettHash
LammettHash LammettHash
  • 24-09-2021

Using the inclusion/exclusion principle,

n(G U H) = n(G) + n(H) - n(G ∩ H) = 20 + 30 - 5 = 45

Answer Link

Otras preguntas

Find the equation of the line that passes through the points (-800,200)and(-400,300).
how does the word "person" give you a clue as to the meaning of personification?
When Mexico won its independence in 1821, it inherited the New Mexico province from Spain. New Mexico included all of the following EXCEPT ?A.Present-day New Me
Out of the 40 students in the 7th grade 60% of the students carry cell phones. What fraction of the students carry a cell phone?
Which development took place in Germany, Italy, and Spain during the 1930s?A.Governments became more democratic.B.Parliamentary governments had difficulty formi
What London locale, where many poor writers lived, became synonymous with hacks and scandal mongers? a) Elephant and Castle b) Grub Street c) Covent Garden d) C
Rock is to stone as pouring is to __________________________________.Relationship:_________________________________.
You start with a number. Double it. Square the answer. You get 400. What number did you start with?
Interjections are used most commonly in:A. speech.B. business letters.C. formal reports.D. memosCan someone explain this one for me?
There are three kinds of levers. What makes them different from each other?