Answer:
24 cm
Step-by-step explanation:
since the two triangles are similar,
10cm/20cm = 36cm _ h/h
Answer: 19
Step-by-step explanation:
Steps to solve:
f(x) = 1/2(4 - x) when x = 2
~Substitute
f(2) = 1/2(4 - 2)
~Subtract whats in parenthesis
f(2) = 1/2(2)
~Multiply
f(2) = 1
Best of Luck!
Answer: 
Step-by-step explanation:
Given: Perimeter of triangular garden = 
The sum of two sides of the garden = 
Perimeter is the sum of all sides of a triangle.
Third side = Perimeter of triangular garden - sum of two sides of the garden

The expression represent the third side =
.
It's called laissez-faire economics and is essentially what capitalism is built on.