The French club is holding a car wash fundraiser. They are going to charge $20 per car , and expect between 30 and 100 cars. Ide
2 answers:
Answer: Independent variable → number of cars
Dependent variable → money raised
Domain →30 to 100 cars
Range → $600 to $2000
Step-by-step explanation:
The independent variable here is the number of cars and the money raised by the club is dependent on the number of cars sold.
We know that the domain is the set of values of the independent variable from the least to maximum.
Since, they expect between 30 and 100 cars.
Therefore, the reasonable domain= 30 to 100 cars
The range is the set of values of the dependent variable, it is generally from the least to maximum.
The least amount they earn =
The maximum amount they earn =
Therefore, Range = $600 to $2000
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Answer:
or exact is −0.70710678...
Step-by-step explanation:
Getting the point!
- If we look at the unit circle and we find
we see it is in the 3rd quadrant.
- We know that all points in the 3rd quadrant have both negative x and negative y values.
- We know that all radians with the base of 4 on the unit circle have the points of
- Because we are in the 3rd quadrant and both x and y are negative we know the point of
Finding the sin!
- Because we know that sin is asking us for the y value
- We can just look at the point and find the y value!
- the y value is
- Because this fraction does not need to be rationalized we are good!
- Use a calculator to find the exact value and you get -0.70710678...
- The final answer is
or exact is −0.70710678...
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