Step-by-step explanation:
-2x - 4 + 5y = 8
-2x + 5y = 8 + 4
-2x + 5y = 12
<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em><em>Good</em><em> </em><em>luck</em><em> </em><em>:</em><em>)</em><em> </em>
<h3>
Hello!</h3>

In order to find the vertex of a parabola, we use the following formula:

Remember, a parabola looks like so:

Now we know what a and b stand for.
In this case, b is -4, and a is -1:

Simplify:

Divide:


<h3>Notes:</h3>
- Hope everything is clear.
- Let me know if you have any questions!
- Enjoy your day!
- Always remember: Knowledge is power!
<h3>Answered by:</h3>

Answer:
After 16 rounds the champion of Ping-Pong player can be determined.
Step-by-step explanation:
This is an example of geometric progression,
First term = 65,536

Now we need to find which term is 1 in this GP.
N th term of GP is given by

Substituting

Seventeenth term of this GP is 1.
That is after 16 rounds the champion of Ping-Pong player can be determined.
Answer:
6cm
Step-by-step explanation:
The radius is half of the diameter. Being 12 inches, the radius will be 6 inches.