matthewyork2063 matthewyork2063

03-08-2018
Mathematics

contestada

If the average of 12 numbers is 14 and the average of 4 of those numbers is 18, what is the average of the other eight numbers?

Respuesta :

ciara180 ciara180

03-08-2018

(8 + X + Y)/3 = 12

multiply both sides of the equation by 3 to get 8 + X + Y = 36

subtract 8 from both sides of the equation to get X + Y = 28

So, the sum of the 2 missing numbers is 28

Answer Link

Otras preguntas

P(2,4) Q (6,8) R(4,7) T (9,12)

You are hired by a startup company as a security expert. You are asked to choose an effective method to host all the enterprise's services, which must be highly

the distribution of sale price (online) for four-year-old harley davidson touring motorcycles is approximately normally distributed with a mean of $14,000 and a

The nurse is caring for a client who has a wound to the right forearm following a motor vehicle accident. The primary care provider has ordered culture of the w

Show or explain why 0.5% is not equal to 1/2

The process of __________ is when the information contained within the nucleotides of a dna molecule is expressed as functional product called a protein.

Approximately how many hours of sleep per day does a middle-aged nurse require?.

According to piaget, a child who is in the ________ stage of cognitive development would fail a task of object permanence.

John is building a fence around his garden and has 150 feet of fencing. The length of his garden is 40 feet and the width of his garden is 50 feet. Does John ha

A reaction in which an element or compound reacts with oxygen to form an oxide compound is called a.