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

what division problem equals 24
Which country DOES NOT lie along the Ring of Fire? A. Japan B. the Philippines C. Indonesia D. Burma
the median of 10,31,36,36,38,42,47,48,49,52
What type of consumer is a ladybug? A. decomposer B. primary consumer C. secondary consumer D. tertiary consumer
what is the answer to 1+1
If the force of gravity changes, what happens to the mass of an object?
Which sentence best describes clustering? A. You write down words or ideas in chronological order. B. You're generating words that suggest possible themes for a
the world's smallest country is Vatican City it covers 17/100 square mile what is Vatican City area written as a decimal
The metric unit of force is the A. newton. B. kilogram. C. gram. D. nanometer.
lisa is painting a fence that is 26 feet long and 7 feet tall. A gallon of paint will cover 350 square feet. Write and slove a proportion to determine how many