dbsnabin9a13 dbsnabin9a13

21-07-2021
Mathematics

contestada

n(a)=60% n(o)=70% N(ano)=400 n(auo)complenment=10 find U and a only

Respuesta :

TyrantMC TyrantMC

21-07-2021

n(A∪B)=n(A)+n(B)−n(A∪B)=50+60−40=70

n(AΔB)=n(A∪B)−n(A∩B)

⇒70−40=30.

Answer Link

Otras preguntas

What can be said about the presidential administrations of the second half of the 20th century? A) They were very similar in foreign policy B) They approached d

Solve and graph this inequality. 3x-5 >19?

the same population at King Middle School is 52% female there are 637 girls at King Middle School what is the total student population at King Middle School how

three reasons why Bostonians felt the British were pushing them too far??

The force most responsible for holding the nucleus of an atom together is the: A. force of attraction between protons and electrons B. the force of repu

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate. In feet per minute, of the elevator?

term insurance covers the insured for the stated term of the policy. true false user: two statements are true of ordinary whole-life insurance policies?

In Dust Tracks on a Road, why did the author's grandmother worry about her attitude toward whites? A. She feared that whites would not have any respect for th

Harry Hess used new technologies made available in the 1950s to observe and measure A. seafloor spreading B. sediment deposition rates C. global climat

what is the Distribution property of multiply addends of number,the add the products