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

Which two sentences in this excerpt from Franklin D. Roosevelt’s “Four Freedoms” speech suggest that going to war will result in a peaceful political system? A.
f(7) if f(x) = x + 10.
The beginning steps for determining the center and radius of a circle using the completing the square method are shown in the table. Step 1 [original equation]:
The monthly rents for five apartments advertised in a newspaper were $650, $650, $800, $1900, and $820. Use the mean, median, and mode of the rents to answer th
If f(x)=2(3x-5) when f(x) =74,what is the value of x??
At what age can you serve a jury
Logan's Roadhouse has become popular with a variety of people. It recently identified a primary customer segment in Millennials. To win over this demographic gr
Which is the first step to writing a narrative essay? write a complete first draft of the essay. create a list of citations for references. put possible ideas i
Consider triangle ABC. What is b?
two semicircles are used to make the shaded shape below one semiciricle has a diameter of 16 cm and the other has a diameter of 20 cm work out the area of the s