Answer:
Step-by-step explanation:
A. the rate in which people fill up the hall in the first for minutes is 12
B. 95 people
C. the rate in which people fill up the hall between 10 and 15 minutes is 19
D. it was greater
I think the final answer would be 2x/3
For this case we have that if "y" varies directly with "x", then it is true that:

Where:
k: It is the constant of proportionality
We have according to the data that:

We find the value of "k":

Having "k", we find "y" when
:

ANswer:

Answer:

Step-by-step explanation:
we know that
The volume of the sphere is given by the formula

we have that
----> the radius is half the diameter
substitute


Answer:
The third option
Step-by-step explanation:
60+y=180
y=120