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

hubungan ham dengan pancasila

Which family need is fulfilled by expressing your feelings in a positive, truthful manner? A. love B. respect C. commitment D. effective communication

Which is equal to 42 • 48? a. 416 b. 410 c. 46 d. 4−6

what is the estimate of 19% of $53

Which of the following statements is true? a. Money is a medium of exchange. c. Money serves as a store of value. b. Money is a unit of account. d. all of the a

any notable feature of an organism is called

750 is divisible by which of these numbers? a. 2 3 4 5 and 9 b.2 3 4 5 6 and 10 c. 2 3 4 6 and 9 d. 2 3 4 5 6 9 and 10

You are creating identical candy bags using 18 chocolate bars and 30 peanut butter cups. What is the greatest number of bags you can fill using all the candy? S

Which shows the phrase the product of a number and 3 as a variable expression? A. n+3 B. n-3 C. 3n+3 D. 0.01d + 5( 0.10d)

Which of the following is a declarative sentence? A. Where is John taking Mary on their date? B. John asked Mary to go on a date. C. John and Mary are dat