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

Write a new simple sentence with 1 subject and 1 verb.​
Which biome is least affected by humans?​
I'm writing an essay at the moment and this is literally the last assignment I need to give in after the one I'm doing, and it's 2:30 am so- I would appreciate
plsss give the ans which figure is write​
If a=6 and b=4, evaluate the following expression:20−2a+3b​
Isolate the x-variable in the equation 3x = 6 + 9y. Answer asap.
Of the following two gases, which would you predict to diffuse more rapidly? SO2 or CI2
When Emma was little, she loved to color. As a busy high school student, she doesn't have much free time. Her swim practice was canceled, so she decided to grab
On November 15, 2019, Tim, a cash basis taxpayer, gave his Daughter Nancy 1000 shares of JP Morgan common stock, which Tim purchased on June 30, 2015 for $60,00
what kind of question i need to ask​