Seudónimo Seudónimo
  • 23-07-2014
  • Mathematics
contestada

Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number?

Respuesta :

Ryan2
Ryan2 Ryan2
  • 17-08-2014
[tex]a+b+c=22\\ \\ \frac{a+b+c+x}{4}=8\\ \\ a+b+c+x=32\\ \\ 22+x=32\\ \\ \boxed{x=10}[/tex]
Answer Link

Otras preguntas

In a lab experiment, 5400 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 4 hours. How many bac
An instrument that measures light from bodies in space is called what?
how to change decimals to percentages​
Please do the question.
what is 2 (x + 3) = x - 4
What are some good digital habits?
What is the first step in solving the equation 2(x-4)=-3(x+2)?
Gross Domestic Product (GDP) for Selected Years Year Change since previous year 2003 +2.5% 2004 + 3.9% 2005 + 3.2% 2006 +2.7% 2007 + 2.0% What is the chart trac
Which polynomial represents the sum below? (-x^3 + 3x^2 + 3) + (3x^2 + x + 4)
what is 8/5 + 7/5 i would like to know