Answer:
The car was moving approximately at a speed of 37.74 miles per hour.
Step-by-step explanation:
We are given the following in the question:
The stopping distance of a car is given by

where d is the stopping distance in feet and r is speed of the car in miles per hour.
The stopping distance is 75 feet, we have to find the speed of the car,
Putting d = 75 in the equation, we get,

Thus, the car was moving approximately at a speed of 37.74 miles per hour.
Answer:
the answer would be c
Step-by-step explanation: Because the values inside of the parenthesis don't have the same variable, they cannot be combined. Using the 9 on the outside of the parenthesis you would multiply 9 by 3r, which gives you 27r, and 9 by -4 to create -36. The new equation would be 27r - 36, which is equivalent to the equation shown next to it.
Answer:
1 gallon ever 5 minutes here is the fraction form if you need it for a graph 3/15 or 1/5
Step-by-step explanation:
if there is 3 gallons gone and it is constant then on gallon goes every 5 minutes 15/3=5
Answer3:
Step-by-step explanation:
I do not know
Answer:
One.
Step-by-step explanation: