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

I keep completely messing up each time, can someone please help me? Thank you so much.

Which is the fastest-growing digital marketing platform? a. social media marketing b. social marketing c. sustainable marketing d. not-for-profit marketing e

Last week, there were 225 student absences at Johnson High. The circle graph below summarizes them by the day of the week on which they occurred. The central a

I need to simplify the expression for (5f)^-3

The Grolier Encyclopedia of Science and Technology is a

A machine produces 75 widgets an hour. How many widgets does it produce in 6 minutes

A chromosome that has its centromere located very close to, but not on, the end of the chromosome is called a

What was the advantages of living in a medieval city

Yolanda purchased a prepaid phone card for $25 . long distance calls cost 17 cents a minute using this card. yolanda used her card only once to make a long dist

Debra's penny bank is 2/3 full. After she removes 80 pennies, it is 1/2 full. How many pennies can Debra's bank hold?