Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

use the addition principle for counting to solve the problem. if n(A)=5, n(B)=11, and n(A (upside down U) B)=3. what is n(A U B)?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!