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

(slope/y-intercept form). then,give me the slope (m) and y-intercept (b) 6x+7y=-42
3. Characteristics that are harmful to a species tend to decrease in frequency from generation to generation because these characteristics usually
Following the storming of the Bastille, the National constituent Assembly
What are the measurements of the bases and the area of the trapezoid? Enter your answers in the boxes. The bases of the trapezoid are __ m and __ m. The area o
What's 4x-2(3+9x) in standard form
Use proportion to convert millimeters to centimeters. A. x= 0.47 B. x= 4.7 cm C. x= 47 cm D. x= 470 cm
How is human papilloma virus spread?
What process moves the case forward in the juvenile justice process?
Which equation represents the line shown in the graph below? A. y = -5/4 x B. y = 4/5x C. y= 5/4x D. y = -4/5x
HELP? 100 POINTS AND BRAINLIEST