maddia13 maddia13

02-09-2021
Mathematics

contestada

Given n(J) = 285, n(K) = 197 and n(J ∪ K) = 431, find n(J ∩ K).

Respuesta :

LammettHash LammettHash

02-09-2021

By the inclusion/exclusion principle,

n(J ∩ K) = n(J) + n(K) - n(J U K)

n(J ∩ K) = 285 + 197 - 431

n(J ∩ K) = 51

Answer Link

Otras preguntas

When do land breezes occur? A. At night B. During the day C. Both day and night D. At thermal equilibrium

6. Examine the following quote: "A week afterwards Dr. Lanyon took to his bed, and in something less than a fortnight he was dead." What theme is present in

Reproductive cloning is achieved by _____. A.making a copy of the individuals DNA and injecting into a pregnant individual B.inserting an individual's DNA into

Which mixed number is equivalent to the improper fraction 22 7 ? 3 6 7 3 1 7 3 3 7 3 2 7

How does the fire become uncontrollable in lord of the flies?

Please answer the blank

Based on the information in the article, what is the American Dream

sean worked 4.5 hours on saturday and 8hours on monday. he was paid $118.75 for two days . what is seans hourly wage?

What type of climate did the Fertile Crescent have?

PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER. PLEASE BE 100% SURE OF YOUR ANSWER Arrange the following events in chronological order. A. a, b, c, d B. b,