He can conclude that the system of equations has no solution since one equation in it always results with false equivalency.
Hope this helps.
r3t40
The answer would be C.
Sin2 cot2=sin2*cos2/sin2=cos2
Which is not equal to the others.
Hope this helps:)
<h2>
Answer</h2>
The answer to this question is 0.9
<h2>
Explanation</h2>
We know that
sequre of 9 is equal to 81 as 
Then sequre of 0.9 will be

So,
b = 
b = 
Exponent and square root cancel out each other
So, the answer is 0.9.
5 I think, cause if your 3/4 ways done you need to walk 1/2 more kilometers to be finished... So if you add 1/2 to 41/2 it equals 5
Answer:
8 in
Step-by-step explanation:
volume of a cube is found by multiplying three sides or finding the third power of a side
, where V is volume and s is side length
we are given that V = 512, so

![s=\sqrt[3]{512}](https://tex.z-dn.net/?f=s%3D%5Csqrt%5B3%5D%7B512%7D)
s=8