Answer:
-4.51500
Step-by-step explanation:
X= -jy+11 this the answer you can use mathaway.com to help for your answers
2.5, because 6 2/3 - 4 1/6....
First, find the most common denominator! Which is 6.
Multiply the bottom term to 2 times. (To get 6.) Now do the same for the top! So 6 4/6 - 4 1/6
Second, you subtract!
2 3/6
Third, if your teacher has ever taught you this or not....
If she did: Simply 2 3/6 into 2 1/2!
Finally,
2 1/2 can be 2.5, 2 3/6, or just 2 1/2!
Answer:
The focus is: 
Step-by-step explanation:
Given

Required
Determine the focus
The focus of a parabola

is:

So, we have:

Cross multiply

Rewrite as:

Rewrite as:

Express 8 as 4 * 2

By comparison with: 

So, the focus
is:


8(8 + X) = 16
64 + X = 16
-64 -64
X = -48