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

Sports club has a membership of 800 and operates 26 baseball fields and 24 soccer fields. Before deciding whether to accept new members, the club council would
A box has 16 candies.12 red and 4 yellow.If you were picking candies from the box without looking.How many candies would you have to pick up to be certain to fi
Simplify 5 x 52 leaving your answer in index form.
If the circumference of a circle is 2 pie cm, what is the measure of it's radius? Write it..​
Help me please solve for x
a friend tell you that he/she has been receiving anonymous bullying messages online. you suspect that certain people are guilty .would you encourage them to rep
Solve this with the Factoring Formula: 2x² - 4x - 2 = 0 Show Your Work!!!
Select the correct answer. The motto "trust thyself" is based on which transcendentalist belief? A. One can ultimately rely on oneself to know what is right. B.
You ..... pick up your trash even if it's only if it's piece of paper. It's not required,but it's the right thing to do
In what month was the Declaration of Independence signed??