Resolva as equações exponenciais na incógnita X: A) (0,01)^x-1=1000 B) (4^x)^x=512^2 C) (0,25)^x-1=(.... Pergunta de ideia deMarcosphysique

Marcosphysique @Marcosphysique

January 2020 1 42 Report

Resolva as equações exponenciais na incógnita X: A) (0,01)^x-1=1000 B) (4^x)^x=512^2 C) (0,25)^x-1=(1\8)^1-x

Lista de comentários

cissa2401 A) (0,01)^x-1 = 1000
(10^-2)^x-1= 10³
10^-2x+2= 10³
-2x+2=3
-2x=3-2
x=-1/2

b)(4^x)^x= 512^2
4x² = 2^9^2
2²^x² = 2^18
2^2x²=2^18
2x²=18
x²=9
x=3

C) (0,25)^x-1= (1/8)^1-x
(25/100)^x-1=8^-1+x
(1/4)^x-1 = 8^-1+x
4^-x+1=8^-1+x
2^-2x+2= 2^-3+3x
-2x+2=-3+3x
3x-2x=2+3
x=5

5 votes Thanks 13

More Questions From This User See All

Marcosphysique January 2020 | 0 Respostas

Marcosphysique January 2020 | 0 Respostas

Marcosphysique January 2020 | 0 Respostas

Preciso de ajuda com essas contas...

Marcosphysique January 2020 | 0 Respostas

Marcosphysique January 2020 | 0 Respostas

Determine X: 2log2(X+1)=3

Marcosphysique January 2020 | 0 Respostas

Determine X: A) 1=log3^x B) 0=log2^x C) log2^x=log2^5 D) log2x=log^6

Marcosphysique August 2019 | 0 Respostas

Marcosphysique May 2019 | 0 Respostas

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

Helpful Links

Política de Privacidade

Termos e Condições

direito autoral

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.