Answer:
the formula for a function d(x) that describes the distance is
Step-by-step explanation:
We are going to define final point , and initial point , then we can use , so we obtain , by developing it
This formula describes the distance between those two points and involves x
A shape that has four corners and four sides like a square, rectangle, or dimond
Isolate the x variable, changing the equation to 10x = 50 - y
We're not done yet, so divide the whole equation by 10 to get x by itself
x = 5 - y/10
If y = 50, then all you have to do is plug it into the equation we've just created!
x = 5 - (50/10)
x = 5 - 5
x = 0
You find the rates of each computer on its own...
One does the job in 55 minutes which we can say is 1/55
The other has a rate of 1/45.
The question wants to know how long it would take both working simultaneously to complete the job...
t/55+t/45=1
(9t+11t)/495=1
20t=495
t=24.75 minutes (24:15)