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

A propert company sold 20% more houses in 2007 than it did in 2006. If the company sold 426 houses in 2007 calculate how many houses it sold in 2006

A dresser measures 3.5 feet tall and 6.25 feet long. To the nearest tenth of a foot, what is the diagonal length of the dresser?

a sunflower grows at a rate of 4 cm per day . the maximum height of a sunflower is 4 meters. can someone give me an equation.

the kansas nebraska act concerned which issue

If a given power plant released so2 gas with a volume v of 1200 m3 at a density ρ of 2.86 kg/m3 at standard pressure and temperature, how many moles n of so2 ar

A graduate student designs a research study. she hopes to show that the results of her experiment are statistically significant. what type of p-value indicates

Nosotros ________________ la cama todos los días. A. va a poner B. van a lavar C. vamos a hacer D. vas a limpiar

What is the function of the proteins encoded in the lac operon?

How did canon law differ from governmental law

At a price of $4 per pound there will be an excess ______ of ______ pounds of oranges per day. demand; 30 demand; 20 supply; 10 supply; 20