4687.5 Please vote me as brainliest if you think i helped and i attached a photo with work as well :) Have a great day
Answer:
Write the problem as a mathematical expression.
y=−x²+18x−72
Rewrite the equation in vertex form.
y=−(x−9)²+9
Use the vertex form, y=a(x−h)2+k , to determine the values of a, h, and k.
a=−1
h=9
k=9
Find the vertex (h,k).
(9,9)
Good Luck !
Step-by-step explanation:
Answer:
4x
Step-by-step explanation:
it will always be the Number beside the variables
Answer:

Step-by-step explanation:
The perimeter is the sum of the side lengths.
A rectangle has 4 sides: 2 lengths and 2 widths, so the perimeter formula is

The length is 20 meters and the width is 4 meters.

Multiply.

Add.

The perimeter of the rectangle is <u>48 meters. </u>
2(4)2 - 10 / 2 = 8(2) - 10 / 2 = 16 - 5 = 11 (FINAL ANSWER)