Answer:
The only incorrect way could be to call it PN
Step-by-step explanation:
NOP shows the angle from NOP from two lines
O shows that is declaring angle O
PON is just the reverse of NOP.
However, on the other hand, PN is incorrect because first of all, that's how someone notate lines, and second of all, PN does not exist.
:)
Answer:
2x² = -8
x² = -4
The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.
As we could "drag" these together, we could then do it the easy way.
56
+56
+56
-------
168
------------------------
Or we could also do the following:
56

3:
6

3= 18.
Carry the one.
5

3 = 15+1 (which was carried). = 16
(16+8) =
168
Answer: 7238.28
Step-by-step explanation:
She need 3 bags since the area of the triangle is base x height /2
Area 20*6=120
120/2=60
60/20= 3 since each bag covers 20m^2