emily53
emily53
14-09-2015
Mathematics
contestada
the sum of three times a number and 12 is twenty
Respuesta :
SchwarzschildRadius
SchwarzschildRadius
14-09-2015
So,
"The sum of three times a number"
3n +
"and 12"
3n + 12
"is 20"
3n + 12 = 20
Subtract 12 from both sides.
3n = 8
Divide both sides by 3.
[tex]n = \frac{8}{3} \ or\ 2 \frac{2}{3} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
a person that chooses to live in another country
What is the new pressure? kPa
m = ____? Fill in the blank?
factor -1(x^(2)-3x-4) and pls show steps
For the equation 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O, how many units of NO3 are represented on the products side? I never learned what parentheses mean in chem
What is the perimeter of a square window with sides 36 inches long
42. What logical fallacy do these sentences display? * F. the incorrect assumption that most voters own property along the beach G. the false premise that tresp
Why does the Director use the word "Ford" when he says, "Oh, Ford!"..."I've gone and woken the children."? Brave new world
What would you do if you were in this situation? Would it be hard for you to have to tell someone about harassment? Why?
3. What is the degree of each of the following polynomials? a 25x3 + 12x2 - b. 81 - a + 5a3 c. 95 +23y4 - 9113 +68y2 + 28y - 100 d. 126 – 86² +63
