Answer:
The perimeter of the figure as a function of the number of triangles is
.
Step-by-step explanation:
According to the diagram, we get the following facts:
i) For one triangle (
), the total perimeter is (
).
ii) For two triangles (
), the total perimeter is (
)
iii) For three triangles (
), the total perimeter is (
)
iv) For four triangles (
), the total perimeter is (
)
From these information we conclude that the equation that determines the perimeter of the figure as a function of the number of triangles is
.
Answer:
x = 7
Step-by-step explanation:

1. 0.32
2. 5/12
3. 1/2
4. 8/9
hope this helps :)
brainliest?
I) -7s^2+28st+21su
II) -8c^2+20cd