mahayess9319 mahayess9319
  • 04-06-2018
  • Mathematics
contestada

When the square of three times a positive integer is decreased by the integer, the result is $2010$. what is the integer?

Respuesta :

chickenheadbum3
chickenheadbum3 chickenheadbum3
  • 04-06-2018
x = a positive integer
3x = 3 times the number
9x^2 = the square of 3 times the number
.
9x^2-x = 2010
.
9x^2 -x -2010 = 0
So x = 15 is the only integer solution.
.
Checking this value, we find:
9*225 -15 = 2010
correct.
.
Answer: x = 15 ;)

Answer Link

Otras preguntas

Conjugar Complete the chart with the appropriate verb forms conseguir contar perder mostrar
What is the third step in the prewriting process for an argumentative essay? forming a claim finding evidence developing a position organizing an outline
Describe one situation in which you sought guidance from the Lord and He guided you. Describe the circumstances, how you responded and what God did. What were t
Ryan and his friends flip 4 coins. What is the probability that they will flip 2 heads and 2 tails?
Instructions: Select the correct answer. An electromagnet is a device in which moving electric charges (current) in a coil of wire create a magnet. What’s one
This is the other part
Choose the correct product of (6x − 2)(6x + 2). (1 point) Choose the correct product of (6x − 2)(6x + 2). (1 point)
Like the declaration of independence, the u.s. constitution refers to our fundamental rights as "unalienable" rights. a. true b. false
Emma is going camping. Each side triangle on her tent is 5 feet tall. The square base is 4 feet wide. What is the surface area of her tent?
I need help with 2 please