evelyn has dance class every saturday it last 1 hr and 15 min and is over at 12 45 pm at what time does evelyns dance clas begin
1 answer:
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Answer:
Step-by-step explanation:
Let us write the equations in standard form:
We have
and
Since the eccentricity of this conic is less than 1, the conic represents an ellipse.
The second equation is .
This is a hyperbola, because eccentricity is more than 1.
The third equation is .
This is a parabola, because eccentricity is 1.
The fourth equation is .
This is also a hyperbola, because eccentricity is more than 1.
#1. Let x be the number of hours spent dog walking, then the amount of money earned dog working is 12x.
#2. Let y be the number of hours spent washing cars, then the amount of money earned washing cars is 18y.
#3.
#2. Let y be the number of hours spent washing cars, then the amount of money earned washing cars is 18y.
#3.