Equations for m equals three times n devided by the difference of 4p and 5 n
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Answer:
C. 4 weeks
Step-by-step explanation:
We have the formula
We are looking for the value of t (number of weeks) when s = 150.
So, we isolate t (well, almost isolate, because it would be hard to read)
If we replace s by 150 we get:
We have 7t = 30.25. If we divide both sides by 7 we get the number of weeks: 4.32... so rounding it down to 4.
The average acceleration of an object is calculated as the final speed minus the initial speed divided by the elapsed time.
So:
Where
= final speed
= initial speed
= elapsed time.
Thus:
The acceleration of the cyclist is:
a = 2.667
The acceleration of the car is:
a = 3.75
The average acceleration of the car is higher than the average acceleration of the cyclist.