Articles
Register
Sign In
Search
Withrow
@Withrow
December 2019
1
57
Report
Resolva em R as equações:
a) 2^x+2 - 3.2^x-1 = 20
b) 5^x+3 -5^x+2-11.5^x=89
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
Comentários
2^x .2²-3.2^x:2^1=20
fazendo 2^x= m se 2^x=m
4m-3m/2=20 2^x=8
mmc=2 2^x=2³
8m-3m=40
5m=40 x=3, solução 3
m=40/5
m=8
b)5^x .5³-5^x .5²-11.5^x=89
fazendo 5^x=m se 5^x=m
125m-25m-11m=89 5^x=1
89m=89 5^x=5^0
m=89/89 x=0, a solução é 0
m=1
7 votes
Thanks 14
More Questions From This User
See All
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Complete the graps with the affirmative (A) or negative (N) forms of the verb to be.1. These books _____ mine. (N)2. Jane and Peter ____ married. (A)3. They____ rigth. (N)4. My brother _____ here at the moment. (N)5. My sister and I ____ in England. (A)6. It____ Monday today. (N)7. Jennie's surname _____Smith. (N)8. This class____ Boring. (N)9. My father____a doctor and my mother _____ a teacher. (A)
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Withrow
December 2019 | 0 Respostas
Responda
Recomendar perguntas
Deividyfreitas
May 2020 | 0 Respostas
BlackShot
May 2020 | 0 Respostas
Vanessakellen
May 2020 | 0 Respostas
Guiduarter
May 2020 | 0 Respostas
Mrzaine
May 2020 | 0 Respostas
O QUE SERIA AUTONOMIA?
Grazifer
May 2020 | 0 Respostas
Joazinho
May 2020 | 0 Respostas
a palavra rapidez formou se de qual derivacao
Celiana
May 2020 | 0 Respostas
Joazinho
May 2020 | 0 Respostas
Anatercia
May 2020 | 0 Respostas
×
Report "Resolva em R as equações:a) 2^x+2 - 3.2^x-1 = 20b) 5^x+3 -5^x+2-11.5^x=89.... Pergunta de ideia de Withrow"
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 © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
fazendo 2^x= m se 2^x=m
4m-3m/2=20 2^x=8
mmc=2 2^x=2³
8m-3m=40
5m=40 x=3, solução 3
m=40/5
m=8
b)5^x .5³-5^x .5²-11.5^x=89
fazendo 5^x=m se 5^x=m
125m-25m-11m=89 5^x=1
89m=89 5^x=5^0
m=89/89 x=0, a solução é 0
m=1