gggegthg gggegthg

12-09-2019
Mathematics

contestada

Find the difference. –12 – (–21) = _____ –33 –9 33 9

Respuesta :

12-09-2019

Answer:

9

Step-by-step explanation:

(-)(-) = (+)

(-)(+) = (-)

(+)(-) = (-)

(+)(+) = (+)

-(-21) = (-)(-21) = (+)21 = 21

-12 - (-21) = -12 + 21 use commutative property: a + b = b + a

= 21 + (-12) = 21 - 12 = 9

Answer Link

Otras preguntas

A 5 pound bag of rice cost $5.25 what is the unit price

Why is it important to not pick your teeth at the dinner table

The revolts against the Soviet Union were driven by calls for all of the following EXCEPT:a. Democratic reformsb. Self-determinationc. Economic reformsd. Women

Ms. Finch is getting new carpet installed in her living room and hallway. The carpet will not be on the stairs. The cost of installation is $12 per square yard.

Which of these sentences uses the word well correctly? A. Terry was a well basketball player. B. The bus is a well way to get to the picnic. C. That book was r

Which sentence paraphrases the central idea of this excerpt?

Given an acidic solution with a pH of 4.5, what is pOH of the same solution? A) 0 B) 7 C) 9.5 D) 14

What is the numerical equivalent of setenta

What makes up muscle tissue? O organisms O organ systems O organs O cells

WILL GIVE BRAINLIEST!!! Look at the branching tree diagram below. A slanting, horizontal line is shown. On the extreme left, there is a label that says Common A