08-08-2020
Mathematics

contestada

Solve the equation 1) 4.3^x+1 = 27+9^x
2) 3^x+5= 3^x+3+8/3

Respuesta :

dannielle dannielle

08-08-2020

Answer:

Step-by-step explanation:

4*3^x+1=27+(3^2)^x

(3^2)^x=(3^x)^2

3^x=t

4t+1=27+t^2

t^2-4t+27-1=0

t^2-4t+26=0

delta=4^2-4*1*26=16-84=-68<0

the equation has not real solutions

Answer Link

Otras preguntas

Story Of Mice and Men How would you compare the incident with the mouse in the first chapter with the killing of Curley's wife in chapter five. Note similarit

1. Which quadratic equation has 5 and - 4 as its solutions?

PLEASE HELP 50 POINTS OLUS BRAINLY

NEED HELPPPP!!!!!!!!!

If our planet was twice as far away how would the Earth’s orbit change?

GIVING BRAINLIEST!!!!!!!!!!!!!!!!!!!

[Integrated Marketing Communications Quiz]1. The most familiar and visible element of the promotion mix is [Answer: Advertising]2. Which of the following is a l

SOMEONE PLEASE HELP ME WITH THIS!! IMAGE DOWN BELOW!! ILL GIVE YOU BRAINLIST ANSWER!!

why were many african americans hesitant about moving from the south?

write a speech to incoming form one pupils enlightening them of the school rules