How do I determine the dependent variable and independent variable of these relations?
Stacey Warren - Expert brainly.com
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a) the time it takes to drive 100 km and the speed of the car
b) the ages of students and the numbers of CDs they own.
c) the number of tickets sold for a school play at $8 per ticket and the revenue from ticket sales.
Time and distance are independent.Velocity is dependent on time and distance
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can you please explain why it is independent variable and why it is dependent?
Velocity is the amount of distance travelled in 1 second which shows why it is dependent on distance and time.But distance is not dependent on anything
how about for the other relations?
in general, you try to make the independant variable the one that has a steady rate of change; time, ticket price, aging are all pretty steady rates of change
This can be a bit tricky, but in general there is a best choice as to which is dependent and which is independent.
for (a) we have two choices:
The time of a trip depends on your speed
Your speed depends on the length of the trip
Does one of the choices make more sense to you?
Age depends on how many CDs you have
# of CDs depends on teen's age
$ brought in depends on # of tickets sold
# of tickets sold depends on how many $ were brought in
Can you choose which pair makes more sense?