maoelaoliveira0 maoelaoliveira0

01-10-2018
Mathematics

contestada

Calcule:

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

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

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

Respuesta :

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

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

How do you think pollination takes place in flowering plants?

an elastic cord 61 cm long when a weight of 75N hangs from it, but 85cm when a weight of 210N hangs from it. what is the spring constant of the cord

how many ways can you order a hot dog with the choices below?

Find the slope and y-intercept of each line:a. (x+2)(x+3)=(x-2)(x-3)+yb. x=my+bPlease show workings, and I won't accept nonsense answers! Don't answer the quest

the initial population of a town is 16,237 and it grows with a doubling time of 24 years. what will the popluation be in 2 years.

What is the focus of the parabola? y=−1/4x2−x+3

Identify the key components of the following events and how each led to the Civil War: Missouri Compromise, Compromise of 1850, Fugitive Slave Law, Dred Scott D

Use the distributive property to remove the parentheses -5(2x-3w-6)

Please answer this question correct now fast

A man walking on a railroad bridge is 2/5 of the way along the bridge when he notices a train at a distance approaching at the constant rate of 45 mph . The man