mikaikaa
mikaikaa mikaikaa
  • 03-11-2020
  • Mathematics
contestada

plz explain how to solve
-12 - (-21) i already know the answer but i need to show work thx

Respuesta :

gr00vinmax gr00vinmax
  • 03-11-2020
change the subtraction sign and the negative from -21 to addition
-12 + (+21) =9
Answer Link

Otras preguntas

Wetlands areas around an urban parking lot can filter out some of the chemical pollutants from the parking lot before they reach the groundwater. true or false
What is the fear of riding a boat called?
Why did congress pass the Embargo act of 1807? A.) Congress was preparing to declare war on England. B.) Congress was preparing to declare war on France. C.) Je
the memory card on Melcher's digital camera can hold about 430 pictures. Melchar used 18% of the memory card while taking pictures at a familly reunion.About ho
What's the answer to number 7
UGHHHH PLZ HELP !!!hate usa test prep
4. What are three examples of forms of music? Describe each form. 5. What is form in music?
What was the world's favorite constitition
How is DNA used as a template to make proteins?
1. A lake may disappear for all of the following reasons EXCEPT vegetation and sediment build up in the bottom. an outflowing stream erodes its bed below the