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

Consumers rely on other organisms. why?
How did the people of Germany respond to the hardships and adverse conditions caused by the Great Depression?
Please help me with this question
Factors that encourage residents to settle in cities are called __________ factors. A. population B. urbanized C. pull D. push Please select the best answer
Which scenario is avoided because the constitution contains the supremacy clause?
What is the quotient?
the ratio of yellow to red balloons is 2:1 respectively. if there are 7 red balloons how many yellow balloons are there
if you are picking a number between 1 and 20 what is the probability that you will pick an even number or a multiple of three
Can someone show me how to solve this? and what formulas do i use?
Can someone explain how to find x and y? 65 points I have a geometry test tomorrow and I’m confused!!!