maoelaoliveira0 maoelaoliveira0
  • 01-10-2018
  • Mathematics
contestada

Calcule:

a) (+9) + (-5) =

b) (+3) + (-4) =

c) (-8) + (+6) =

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 01-10-2018

a) 9 + -5 =  9-5 = 4

b)  3 +-4 = 3 -4 = -1

c) -8 + 6 = -2

Answer Link
Pauluck
Pauluck Pauluck
  • 01-10-2018
I have ued the zero pairs strategy, I hope you are familiar with that! Hope i helped!
Ver imagen Pauluck
Answer Link

Otras preguntas

The period from 1833-1901 in Europe history is called
Which proportion could be used to solve the problem below: 378 is 84% of what number? A. [tex] \frac{84}{100} = \frac{378}{x} [/tex] B. [tex] \frac{84}{100} =
Molar mass is measured in units of a. amu. b. milliliters. c. milligrams. d. grams/mole.
P-waves and S-waves are also known as a. surface waves. b. ground waves. c. transverse waves. d. seismic waves.
What is the catalyst defined as
What effect did the Iconoclast controversy have? (1 point) a) The use of icons was gradually forgotten. b) Religious opponents overthrew the emperor. c) The pop
The building of Jim's Hardware is assessed at $109,000. The tax rate is $86.95 per $1,000 of assessed valuation. The tax due is A. $8,695.45. B. $947.75. C. $8
Our bodies are born with what kind of immunity.
The recommendation for fiber intake is 10 - 15 grams a day. a. true b. false
What does the gypsy tell Miss Ingram that makes her unhappy? a. That her mother will soon die c. That she must return home as soon as possible b. That Mr. Ro