francescamarie76 francescamarie76
  • 05-04-2020
  • Mathematics
contestada

i’m giving brainliest

im giving brainliest class=

Respuesta :

07alexpm
07alexpm 07alexpm
  • 05-04-2020

Answer:

z=-7

Step-by-step explanation:

x+y=22(double the average as there are two parts

x+y+z=22 (as shown in the last part)+z=15 (average tripled as there are three parts

22+z=15

z=15-22

z=-7

Answer Link

Otras preguntas

which english thinker believed scientists should only accept ideas that have been proven through repeated observations and practical experiments?
how would non secretion of of saliva effect digestion of food in the mouth.
This white jazz musician helped increase the jazz audience by making jazz more acceptable in the white community. 1.duke Ellington 2.roy Acuff 3.benny Goodman
Which two values of x are roots of the polynomial below x^2 - 11x + 13
Drag values to complete each equation.
The function f(x) = 1/6(2/5)^x is reflected across the y-axis to create the function g(x). Which ordered pair is on g(x)? a.(-3, 4/375) b.(-2, 25/24) c.(2, 2/7
Name some differences between a motor and an electromagnet
Create your own equation chain using these numbers for the variable (a=10) (b=6) (c=18) (d=3)
A dictionary which lists words dealing with a particular subject is called a _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ dictionary.
Carrie is driving to a friend’s house for the weekend. The friend lives in a town 160 mi. away. So far, Carrie has driven 64 mi. What percent of the drive does