Answer:
20
Step-by-step explanation:
12 times 5/3 =60/3=20
Answer:
4/3
Step-by-step explanation:
80 to 60 means a ratio. That means 80:60, which means 80/60, which simplifies to 4/3.
Answer:
3
Step-by-step explanation:
A direct variation is of the form
y = kx
We know x and y so we can find k
81 = k *27
Divide each side by 27
81/27 = 27k/27
3=k
The constant of variation is 3
Answer:
c
Step-by-step explanation:
the perimeter of the sector