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 is the adaptation to the arctic fox

Have you grown bored with the magazine selection at the local bookstore? Do you feel that magazines don't cover the same interests and events you care about? Yo

Two jackets have a combined cost of $98. Jacket A costs 12 less than Jacket B. How much doea each jacket cost?Let n stand for the cost of Jacket AEquation:____J

i really need help with this within a hour Because my teacher is calling me at 3 and talking about it

in general, non metals are: a. on your far left of the periodic table b.good conductors of electicity c.usually gasses at room temperature d. unable to bond

Please help me with this! Thanks:)

To which of the following terms must Pip agree to receive his "great expectations"? A. He must live with Mr. Jaggers. B. He must propose to Estella.

What’s the difference between dual credit and AP courses?

Decide whether the sentence is grammatically CORRECT or INCORRECT as written. No nos dejas. (Don't leave us.) correct incorrect

Tom’s young cousin is intellectually impaired. Tom just read an article about a twin study that found that intelligence is 60 percent genetic, so he complains t