Articles
Register
Sign In
Search
Adrianaconcurseira
@Adrianaconcurseira
May 2020
1
45
Report
Calcule três números x, y, z, diretamente proporcionais a 2, 3 e 4, sabendo-se que: 3x - y + 2z = 66.
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms and service
You must agree before submitting.
Send
Lista de comentários
Heberwagner
- x, y, z, diretamente proporcionais a 2, 3 e 4 => x/2=y/3=z/4
x/2 = z/4 => x = z/2 // y/3 = z/4 => y = 3z/4
- para 3x - y + 2z = 66, obtemos:
3(z/2) - 3z/4 + 2z = 66 => 3z/2 - 3z/4 + 2z = 66 => mmc (2,4) = 4
6z/4 - 3z/4 + 8z = 66 => 6z - 3z + 8z = 66.4 => 11z = 264 =>
z = 24
x = z/2 => x = 24/2 =>
x = 12
// y = 3z/4 => y = 3.24/4 =>
y = 18
2 votes
Thanks 1
More Questions From This User
See All
adrianaconcurseira
October 2020 | 0 Respostas
Responda
adrianaconcurseira
October 2020 | 0 Respostas
Responda
adrianaconcurseira
October 2020 | 0 Respostas
Responda
adrianaconcurseira
October 2020 | 0 Respostas
Responda
adrianaconcurseira
October 2020 | 0 Respostas
Responda
adrianaconcurseira
October 2020 | 0 Respostas
Responda
Adrianaconcurseira
May 2020 | 0 Respostas
Responda
Adrianaconcurseira
May 2020 | 0 Respostas
Responda
Adrianaconcurseira
April 2020 | 0 Respostas
Responda
Adrianaconcurseira
April 2020 | 0 Respostas
Responda
Recomendar perguntas
Deividyfreitas
May 2020 | 0 Respostas
Vanessakellen
May 2020 | 0 Respostas
Guiduarter
May 2020 | 0 Respostas
Grazifer
May 2020 | 0 Respostas
Celiana
May 2020 | 0 Respostas
Leandrosilva85
May 2020 | 0 Respostas
Cleuana
May 2020 | 0 Respostas
Hevellin
May 2020 | 0 Respostas
Dannisanobie
May 2020 | 0 Respostas
Luceliasantos09
May 2020 | 0 Respostas
Em que ano foi encontrado o maio navio naufragado ?
×
Report "Calcule três números x, y, z, diretamente proporcionais a 2, 3 e 4, sabendo-se que: 3x - y + 2z = 66.... Pergunta de ideia de Adrianaconcurseira"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
Sobre nós
Política de Privacidade
Termos e Condições
direito autoral
Contate-Nos
Helpful Social
Get monthly updates
Submit
Copyright © 2025 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
x/2 = z/4 => x = z/2 // y/3 = z/4 => y = 3z/4
- para 3x - y + 2z = 66, obtemos:
3(z/2) - 3z/4 + 2z = 66 => 3z/2 - 3z/4 + 2z = 66 => mmc (2,4) = 4
6z/4 - 3z/4 + 8z = 66 => 6z - 3z + 8z = 66.4 => 11z = 264 => z = 24
x = z/2 => x = 24/2 => x = 12 // y = 3z/4 => y = 3.24/4 => y = 18