khaz8438 khaz8438
  • 13-07-2017
  • Mathematics
contestada

Prove that for all natural numbers n 8n-3n is divisible by 5

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-07-2017
8n-3n=n(8-3)=n(5)=5n=5 times n
5 is a factor of 5n so it is evenly divisible by 5
and since n is a natural number, it is the multiplier to make multipules of 5

Answer Link
konrad509
konrad509 konrad509
  • 04-08-2018

[tex] 8n-3n=5n [/tex]

One of the factors is 5, so the number is divisible by 5.

Answer Link

Otras preguntas

Most of New Zealand's land supports which economic activity? raising livestock harvesting timber growing crops mining bauxite
What factors dose 32 and 36 have in common
the movie lasted 105 minutes if the movie started at 1:15 pm at what time did it end?
Identify the inflection of the verb asks. infinitive. present, third person singular. past tense. present participle.
what two numbers add to 7 and multiply to 0??
Help!!! One no choices math question! What is the perimeter of the figure shown on the coordinate plane?
Which sentence does not contain any errors in capitalization? A. On surveys I typically identify my race as caucasian. B. The Center for the Arts has a new clas
Contrast unsuitable literature with good reading material.
Afton made a chicken dish for dinner. She added a 10-ounce package of vegetables vegetables and a 14- ounce package of rice to 40 ounces of chicken. What is the
Who led the effort to rebuild Athens after the Persian Wars? A. Miltiades B. Solon C. Pericles D. Lycurgus