n(A)=20,n(AUB)=42,n(A intersection B)=5.Find n(A-B)
in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer


n(A intersection B)=5

n(A-B)=n(A)-n(A intersection B)



Related questions

1 answer
1 answer
1 answer
asked Mar 21, 2014 in Other Math Topics by Mclawrence | 4.3k views
1 answer
asked Mar 4, 2013 in Geometry Answers by anonymous | 2.3k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
85,650 questions
91,290 answers
107,978 users