Answer:
5 11/36
Step-by-step explanation:
Answer:

Step-by-step explanation:
If
and
are the solutions to the quadratic equation, then this equation can be written as

In your case,

Then the equation is

The same shape but in a different location
Answer:
16.2
Step-by-step explanation:
r = k/x
72 = k/9
k = 72*9
When r = 40 ,
x = k/r
x = 72*9/40 = 16.2
Answer:
100 + 50p = t <u>or </u>t = 100 + 50p
Step-by-step explanation:
We know that they charge 100 initially and then an addition 50 for each person.
We add 100 to 50 but we do not know the amount of people, which leaves it unknown (p)
The total cost (t) is also unknown which stays unknown until we calculate the amount of people.