Answer:
-56
Step-by-step explanation:
You have a negative plus a positive which will give you a negative for the answer. Because you are adding a positive 28 to a negative 84 you get a negative 56.
Answer:
![\\\sqrt[1]{8}](https://tex.z-dn.net/?f=%5C%5C%5Csqrt%5B1%5D%7B8%7D)
![\sqrt[1]{8}](https://tex.z-dn.net/?f=%5Csqrt%5B1%5D%7B8%7D)
Step-by-step explanation:
The sides could be 10.2 inches or 15.7 inches.
See the attached picture for the equations:
Answer:
The answer is C
Step-by-step explanation:
Hope this helps.
-x^2 + 4 = 2x + 1
-x^2 - 2x + 4 - 1 = 0
-x^2 - 2x + 3 = 0
(x + 3)(-x + 1)= 0
x + 3 = 0 -x + 1 = 0
x = -3 -x = -1
x = 1
so x = -3 and x = 1