Answer:
9x^2+4x+5
Step-by-step explanation:
f ( x ) = 5x^2 - 2x + 6
g ( x ) = 4x^2 + 6x - 1,
Add the functions together
f(x)+ g(x) = 5x^2 - 2x + 6 + 4x^2 + 6x - 1
Combine like terms
=9x^2+4x+5
Answer:
The length of CI is 10 units.
Step-by-step explanation:
It is given that ABCD is a parallelogram and diagonals AC and BD intersect at point I.
The diagonals of a parallelogram bisect each other.


![[\because AI=CI]](https://tex.z-dn.net/?f=%5B%5Cbecause%20AI%3DCI%5D)



The value of x is 12.

Therefore the length of CI is 10 units.
Answer:
x= -2
Step-by-step explanation:
y=x+4
y=2
2=x+4
-4+2=x
-2=x
x=-2
Answer:
x= 13, angle 1= 37, and angle 2= 53
Step-by-step explanation:
So you have 2x+11+1+4x=90 degrees
If you simplify it, it becomes 6x+12=90 degrees
Then, you rearrange; 6x=90-12 or 6x= 78
So then, x=13
For angle 1 its 2x+11= 37 degrees
And angle 2 is 1+4x= 53 degrees