jo9nnaP5iCharchann
jo9nnaP5iCharchann jo9nnaP5iCharchann
  • 09-08-2016
  • Mathematics
contestada

assume n is an integer and solve for n.

|2n - 3| = 5

a. {-4, -1}
b. {1, 1}
c. {-1, 4}
d. {4, 4}

Respuesta :

dalendrk
dalendrk dalendrk
  • 17-08-2016
|2n - 3| = 5 ⇔ 2n - 3 = -5 or 2n - 3 = 5    |add 3 to both sides

2n = -2 or 2n = 8    |divide both sides by 2

n = -1 or n = 4

Answer: c. {-1; 4}
Answer Link

Otras preguntas

BRAINLIEST As President, Theodore Roosevelt showed little to no interest in conserving America's natural resources and wilderness true or false
Rosa spent $11.52 on 8 candy necklaces for each of her two friends. How much did each necklace cost?
whats a routine that helps with acne?
FOR 25 POINTS, AND BRAINLIEST! (easy math) According to the table, what was the approximate* difference in pounds in the debt between 1755 and 1762?*Approximat
President Wilson's Fourteen Points were largely unsuccessful in bringing about lasting peace because the League of Nations had a strong rivalry between its memb
What two media formed the first multimedia? audio and images together radio and television text and pictures together animated stories
At a basketball camp there are 10 girls for every five boys. What is the ratio for boys to the total number of campers?​
On ne sait pas qui croire parmi les deux .L'un dit ceci . l'autre dit ________A. voilaB. quoiC. celaD. ceci​
where it ended ww2?​
what do polar solvents dissolve in