booklitogunz8740 booklitogunz8740

03-10-2019
Mathematics

contestada

Find the value of n(An B) if n(A) = 9, n(B) = 11, and n(AUB) = 15. n(An B) = (Type a whole number.)

Respuesta :

wagonbelleville wagonbelleville

03-10-2019

Answer:

n(A∩B) = 5

Step-by-step explanation:

given,

n(A) = 9

n(B) = 11

n(A U B) = 15

we need to find n(A∩B) = ?

using formula,

n(A U B) = n(A) + n(B) - n(A∩B)

n(A∩B) = n(A) + n(B) - n(A U B)

n(A∩B) = 9 + 11 - 15

n(A∩B) = 5

Answer Link

Otras preguntas

Is 9xy-6x = 7 a linear equation?

Which of the following factors in the decline of medieval Europe cannot be attributed to the Black Death? A England and France engaged in a century-long militar

Allows writers to restate the main ideas of a larger amount of text in their own words

During the nineteenth century, which of the following countries experienced a decrease in industrial production? A. China B. Britain C. Japan D. India

diffrences between meiosis 1 and meiosis 2 includes

what percent is 27.30 of 36.40 ?

9. Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. A. Doing interviews and brow

What do poppies symbolise

Roman numerals in an outline signify _____. 1.details 2.main ideas 3.subdivisions 4.secondary headings

how to rewrite in simplest radical form 1/-3/x^6