divineesumai2004
divineesumai2004 divineesumai2004
  • 24-08-2020
  • Mathematics
contestada

Given that 110ₓ = 40₅ , find the value of x.

Respuesta :

alisigwechinyere9
alisigwechinyere9 alisigwechinyere9
  • 24-08-2020

110x=405

1*x^2 +1*x^1 +0*x^0=4*5^1+0*5^0

x^2+x=4*5

x^2+x=20

x^2+x-20=0

x^2 +5x-4x-20=0

x(x+5)-4(x+5)=20

(x-4)(x+5)=20

x= 4 or -5

But a base cannot be negative so

x=4

Answer Link

Otras preguntas

Carr was shopping for a new racing motorcycle. He told Springsteen, the motorcycle dealer, that he needed the motorcycle to race on one-mile dirt tracks. Spring
The mass number of an element is the total number of protons and___?
Why is it helpful to create a research plan? Select one: a. A research plan helps you summarize the information you find. b. A research plan helps you search fo
Tetrahydrocannabinol can stay in your body up to
The hormone that regulates water reabsorption by the kidneys Group of answer choices only increases water permeability in certain portions of the kidney tubules
Order the following words for Transcription 1 pre-mRNA 2.Gene 3 DNA 4mRNA
Jordan grabbed his baseball glove and headed for the ballpark, excited that the championship game was finally here. Then Jordan remembered something that gave h
Let u = <-7, -2>. Find 4u
Identify the two pairs of complementary angles in the figure above. Justify your answer.
PLEASE PLEASE PLEASE ANSWER!