At 9 games they will have paid the same amount. 111.06 plus 9 times 2.50 is equal to 14.84. I just did the equation (111.06+2.50x=14.84x).
From the information, it seems the runner is slowing down because the speed at 1st hour is 5km/h but at 3rd hour become 3km/h.
If v= velocity, v0= initial speed, t= time, and the a=acceleration then the function would be:
v= v0 + a * t
To find the acceleration you need to do this equation:
acceleration= velocity1- velocity3 / t3-t1
a = (3km/h-5km/h)/ (3 hour- 1 hour)
a = (-2km/h)/2hour= -1 km/hour^2
After that you need to find the initial speed. Try to put the 1st hour variable into the full equation. It would look like this
v= v0 + a * t
5km/h= v0 + (-1 km/hour^2 * 1 hour)
v0= 5km/h + 1km/h
v0= 6km/h
Then the full function would be:
v= 6km/h - 1km/h^2 * t
The graph would look like a backslash(\) from 6 gradually go down to 1.
Answer:
Dependent
Step-by-step explanation:
We are given that system of equations
(Equation I)
( Equation II)
(Equation III)
Equation III multiply by 3 and then add to equation I then we get
Divided by -7 then we get
Now , obtained equation subtract from equation II then we get
0=0
Hence, equation II is a linear combination of equation I and equation III.
Therefore, system is dependent because system has infinite solutions.
Substitute the value of x in equation I then we get
Yes it should be a negative nine not a positive nine
Have a nice day : )
Answer:
1+1
Step-by-step explanation:
