SkittlesandStarburst
SkittlesandStarburst SkittlesandStarburst
  • 23-11-2020
  • Mathematics
contestada

this is from khan academy and the question is in the image below.

this is from khan academy and the question is in the image below class=

Respuesta :

Saffrons
Saffrons Saffrons
  • 23-11-2020

Answer:

The answer is supposed to be -9, not 9.

Step-by-step explanation:

In step 2, when you are adding a negative plus a negative (-4 + -5) it should always come out a negative. So, step 3 should come out as -9 instead of 9.  

Answer Link

Otras preguntas

How did many southerners view the North in the mid-1800s? Southerners thought that the North's wage labor system was a bad system. Southerners thought that the
how do enzymes in your body make chemical reactions occur at safe temperature?
How did technological and corporate innovations help to vastly increase industrial production?
100 less than 146 sophiagraceandrosie
in a two week period it was sunny 3/7 of the days. how many days were sunny?
The length of a side of an equilateral triangle is x-4.5.First express it's perimeter as a sum. Next express its perimeter as a product. Explain why the two ex
Please help, U.S government Choose one of the following principles: rule of law, checks and balances, separation of powers, republicanism, democracy, or federal
there are 3x-2 trees planted in each row of a rectangular parcel of land. If there are a total of 24x-16 trees planted in the parcel, how many rows of trees are
80% of a number is 96. What is 25% of that same number? A. 20 B. 30 C. 40 D. 120
Whose unexpected reaction after one of George Whitefield's sermons demonstrated how powerful Whitefield's preaching style was?.