natcowart natcowart
  • 01-11-2014
  • Mathematics
contestada

9 to the x-5 power=27

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 01-11-2014
[tex]9^{x-5} =27 \\\\ 3^{2(x-5)}= 3^3 \\\\ 2(x-5)=3 \\\\ 2x-10=3 \\\\ 2x=3+10 \\\\ 2x=13 \\\\ \boxed{x=\frac{13}{2}}[/tex]
Answer Link
konrad509
konrad509 konrad509
  • 01-11-2014
[tex]9^{x-5}=27\\ 3^{2(x-5)}=3^3\\ 2(x-5)=3\\ 2x-10=3\\ 2x=13\\ x=\frac{13}{2}[/tex]
Answer Link

Otras preguntas

What will most likely cause a lender to approve credit? O A historic credit score of 500 O Most payments paid on time O A large amount of debt owed O A long cre
on topographic maps , contour lines that are close together indicate
Use the given financial data to indicate which firm has the higher degree of each type of risk. Which firm has more business risk
What do I do to get the right answer
if a difference between two variables is statistically significant, which of the following can be concluded
what is the area of the regular hexagon
A solenoid has 450 loops each of radius 0.0254 m. The field increases from 0 T to 3.00 T in 1.55 s. What is the EMF generated in the coil? (Hint: What is the ar
In ΔOPQ, the measure of ∠Q=90°, OQ = 24, QP = 7, and PO = 25. What is the value of the tangent of ∠O to the nearest hundredth?
Where can i get an antibody test and is it reliable?
Read the excerpt from "Protecting the Great Barrier Reef." Pollution is another significant environmental threat. The vibrant ecosystems and habitats of the Gre