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

If the government were to give millionaires a tax cut, what would LIKELY happen to the number of potential CEOs? A. The number of CEOs would decrease B. The nu
Review pages 4 and 5 of the passage. Click or tap the underlined sentence that BEST shows that President George H.W. Bush believed that earlier laws did not do
- The species composition of a community will change over a long period of time if the (1) environment changes (2) environment remains stable (3) same plants re
WILL GIVE BRAINLIEST IF ANSWERED WELL!!!
Explain why your friend is able to insert parentheses without changing the value of the expression provide a possible reason for doing this
I need help! lol Write the reaction needed to remove a glucose molecule from a polysaccharide, 100 glucose molecules long. and this: write the reaction needed
When AB is multiplied, what element is in e23
Though one is in jail and one is not, what similarities exist between Jefferson’s and Grant’s situations? Where would each character fall on Maslow’s hierarchy
State whether the percent of change is a percent of increase or a percent of decrease. Then find the percent of change. Original 15, New:45
If the area of a base of a prism is 24 cm², what is its cross sectional area?​