samitashahi594 samitashahi594

03-06-2021
Mathematics

contestada

1 point
n(A)=20, n(B)=15 and n(An
B)=10 then what is the value of
AU B. *
15
25
O 30
O 35
O This is a required question

Respuesta :

sk5634943 sk5634943

03-06-2021

Answer:

Step-by-step explanation:

I think the question is card(A)=20,card(B)=15,card(A∩B)=10, then what iscard(A∪B)

You can solve this question by drawing a picture like this to visualize the problem.

Thus the answer is card(A∪B)=card(A)+card(B)−card(A∩B)=25

Ver imagen sk5634943

Answer Link

Otras preguntas

If the ratio of side lengths of similar polygons is 6:11, what is the ratio of perimeters?

Evaluate the dot product of (2,4) and (1,2)

You invest $2000 at an interest rate that is compound annually after 5 years, your principal has increased to $2262.82 what is the interest rate? Round to one d

Describe what would likely happen to an ecosystem if either it’s producers or decomposers were removed. Be sure to explain your reasoning. ( please please help

Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom? The modern model is not as widely accepted by scientists as

How was Cyrus McCormick’s 1834 invention used?

A period of rule of a king is known as a(n)

Which of the following is NOT an organic compound? Bromine Protein Corn oil Methane

What started the Russo-Japanese War?

One can lessen the force that acts on an object True or false