LaraGad LaraGad
  • 12-06-2022
  • Mathematics
contestada

If 4^x * 5^y = 20, 4^y * 5^x * = 20^2 Then x + y =
1
2
3
4

with explanation pls

Respuesta :

surjithayer surjithayer
  • 12-06-2022

Answer:

Step-by-step explanation:

[tex]multiply\\4^x*5^y*4^y*5^x=20*20^2\\4^{x+y}*5^{x+y}=20^{1+2}\\(4*5)^{x+y}=20^3\\20^{x+y}=20^3\\x+y=3[/tex]

Answer Link

Otras preguntas

Discuss an example of evidence astronomers have learned about the universe using gamma rays, x-rays, and/or UV rays mounted on satellites. What impact has this
Who are the two groups of people Ismael faces danger from? from the book a long way gone
The product of a number and -3 is less than 27
During the Boston Tea Party the colonists who dumped the tea disguised themselves as women. True False
In an investigation, students determined the average rate of movement of gill covers of a species of freshwater fish at different temperatures. The results are
Life is a good book. The further you get into it, the more it begins to make sense.
I NEED HELP ASAP PLZ
Can someone help me with this ASAP
1 block: 19 houses = 20 blocks:???? Houses?
1.Polluted air is caused byA. Illegal loggingB. ReforestationC. Burning waste material​