Daisyzuniga123 Daisyzuniga123

12-02-2015
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 :

apologiabiology apologiabiology

12-02-2015

x+y+z=22

(x+y+z+t)/4=8
subsitute
x+y+z=22
(22+t)/4=8
multiplly by 4
22+t=32
subtract 22
t=10

the fourth number is 10

Answer Link

Otras preguntas

how do i do this question

HELP ! Which body plan has an oral and an aboral side? cephalization radial symmetry asymmetry bilateral symmetry

What is the frequency of a wave that has a wavelength of 6 meters and a period of 10 seconds?

what is the picture depict? STOP CHILD LABOR NOW

Evaluate : ( 55 -15 ) x [10 + 32 + { 8 – 1 + 3 }]. For 6th grade simple please!!!

Two identical masses are attached to frictionless pulleys by very light strings wrapped around the rim of the pulley and are released from rest. Both pulleys ha

What is true at the equivalence point of a titration? moles H* neutralized = moles OH neutralized moles H* neutralized > moles OH neutralized moles OH neutra

ammonium chloride on heating decomposes to give Ammonia gas and hydrochloric acid write equation and balance it

Suppose that $10,000 invested in ABC at it's I.P.O. (initial public offering) price had been worth $700,000.00 after 14 years. What would the nominal interest r

You have at most $20.25 to spend at a market. Apples cost $0.30 each, and pears cost $0.70 each. Let [tex]a[/tex] be numbers of apples and [tex]p[/tex] be numbe