Answer:
Step-by-step explanation:
In order to find the circumference of a circle, we can use the formula for it, which is 
.
This formula states that r, the radius, multiplied by pi (3.14..) doubled will be the circumference.
Pi rounds to 3.14 usually.
So our new formula is:
We can now multiply.
Hope this helped!
Answer: C
Because it fails the vertical line test.
Put a pencil vertical on the graph.
Drag it along, if there are 2 lines that touch the pencil, it fails the test.
If there's only one, it passes.
Answer:
-4 and -5
Step-by-step explanation:
- 13/3 is equal to -4.3 so this is why i think this but it maybe wrong.
40/10 = 4 x 3.5 = 16 litres
16/2 = 8
Therefore 8 litres of pure water and 8 kites of pure acid
