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Answer:
![-a^{2}](https://tex.z-dn.net/?f=-a%5E%7B2%7D)
Step-by-step explanation:
![\frac{-1}{a^{-2} } = \frac{-1}{\frac{1}{a^{2} } } = -1 * \frac{a^{2} }{1} = -a^{2}](https://tex.z-dn.net/?f=%5Cfrac%7B-1%7D%7Ba%5E%7B-2%7D%20%7D%20%3D%20%5Cfrac%7B-1%7D%7B%5Cfrac%7B1%7D%7Ba%5E%7B2%7D%20%7D%20%7D%20%3D%20-1%20%2A%20%5Cfrac%7Ba%5E%7B2%7D%20%7D%7B1%7D%20%20%3D%20-a%5E%7B2%7D)
Answer:
im pretty sure that the answer is D i know for a fact that it is D
Answer:
Yes, 2+4=6 6 > 5
Explanation:
For three line segments to be able to form any triangle you must be able to take any two sides, add their length and this sum be greater than the remaining side.
The equation has exactly 1 real solution.
You can find this by solving it.
8 - 4x = 0 ----> add 4x to both sides
8 = 4x ----> divide both sides by 4
2 = x
You can see there is only 1 and therefore it has one solution.