Answer:
Step-by-step explanation:
The given system of equations is now reduced:
1) 
, 
, 
, 
Given
2) 
By 1)
3) 
2) in 1)
4) 
By 1)
5) ![[c+(b+c)]+b = c](https://tex.z-dn.net/?f=%5Bc%2B%28b%2Bc%29%5D%2Bb%20%3D%20c)
4) in 3)
6) 
Algebra
7) 
Algebra
8) 
7) in 4)/Algebra
9) 
7) and 8) in 2)/Algebra
10) 9), 1), 7) and 8)/Algebra/Result
X=7
Explanation:
A triangle equals 180°, and they gave us one length already, and it says the one arm of the triangle is equal to the other so we know that the third angle is going to be the same as the second angle.
180=90+(6x+3)+(6x+3)
Combine like terms
180=96+12x
Subtract 96 from both sides
84=12x
Divide 12 by both sides
7=x
Now check it,
90+(6*7+3)+(6*7+3)
90+(45)+(45) =180
Answer:
A. It’s decreasing
Step-by-step explanation:
<em>Hey there!</em>
<em />
Well on the graph at points -1 and 1 we can tell the line is going down,
meaning the line is decreasing.
<em>Hope this helps :)</em>
Answer:
e
Step-by-step explanation:
