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

Money is useful to people because it is __________.Select one of the options below as your answer: a. a medium of exchange b. prestigious c. nice to look at
An insect is able to walk across the surface of a pond without sinking because of the A. polarity of the water molecules. B. process of evaporation. C. surface
True or false. Milton was born into a prosperous Puritan family
Which is the most accurate way to estimate 52% of 45
The phase of cell division in which chromosomes align on the spindle equator halfway between the spindle poles is A. prophase. B. telophase. C. anaphase. D. me
In Act III, Scene 1, who hears these words from Titania? Thou art as wise as thou art beautiful. A. Puck B. Oberon C. Bottom D. Peaseblossom
(5y^4-3y^3+2y^2-6y+5)+(-3y^+6y^3-4y^2-4y-8) can someone simplify that
Which of the following terms refers to how genetic traits are expressed? A. Display B. Genotype C. Phenotype D. Dominance
ian has 12.2 ounces of ketchup he uses 1/20 of the ketchup every time he has buafflo burger how many ounces of ketchup are left after ian has eaten 4 burgers
Which is the most accurate way to estimate 52% of 45