465 mile on 15.5 gallons gasoline in city what is the rate in per gallon
2 answers:
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Answer:
Step-by-step explanation:
In this problem, it is given that,
The stopping distance, D, in feet of a car is directly proportional to the square of it's speed, V.
We need to write the direct variation equation for the scenario above. It can be given by :
To remove the constant of proportionality, we put k.
k is any constant
Hence, this is the required solution.
Answer:
Step-by-step explanation:
So we have:
Distribute:
Combine like terms:
Subtract 12x from both sides:
Add 30 to both sides:
Divide both sides by -16:
And that's our answer :)