4/16 and 1/4 happy to help :)
Answer:
It is 60.
Step-by-step explanation:
When shapes are dilated (when they get bigger or smaller), perimeter changes linearly—in direct proportion with length. This means if the scale factor is 2, then you multiply it by 2. 2 multiplied by 30 equals 60.
Answer:
I got 460.
Step-by-step explanation:
You multiply 115 by 4. Right?
We can't find explicit values for
and
, since there is only one equation, but two variables.
The best we can do is solve for one variable with respect to the other:
Solve for
:
subtract
from both sides:

divide both sides by
:

Solve for
:
subtract
from both sides:

divide both sides by
:

Answer:
16
Step-by-step explanation:
You can prove this by taking 16 and dividing it by 2, and you will see that the answer is 8
Hope this helped <3