Answer:
84.85cm
Step-by-step explanation:
Let the sides of the square be x
The perimeter of the square = 4x
Get x using the pythagoras theorem
x^2 + x^2 = 30^2
2x^2 = 900
x^2 = 450
x = 21.21cm
Perimeter of the plate = 4(21.21)
Perimeter of the plate = 84.85cm
Answer:

Step-by-step explanation:
Circle is centred at (0, -2)
-> h = 0 & k = - 2
radius of the circle (r) = y-coordinate of the center = - 2
Equation of circle in standard form is given as:

Plugging the values of h, k and r in the above equation, we find:
![(x-0)^2 +[y-(-2)]^2 = (-2)^2](https://tex.z-dn.net/?f=%28x-0%29%5E2%20%2B%5By-%28-2%29%5D%5E2%20%3D%20%28-2%29%5E2)

This is the required equation of circle.
Answer:
I HELPED :D
Step-by-step explanation:
The slope of the line is 7/4
<u>Answer with Step-by-step explanation:</u>
We are given two tables and we are to complete the missing values.
For table one, we are to substitute the given values of x in the term
:
when x = 0, 
when x = 2, 
when x = 4, 
For table two, we are to substitute the given values of x in the term
:
when x = 0, 
when x = 2, 
when x = 4, 