If you wanted to eliminate the y-variable, what should your next step be? 3x-6y=12 4x-7y=8
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Answer:
Step-by-step explanation:
Distribute the 4
Subtract the 7
Subtract y and add 1
A bicyclist travels at a constant speed of 12 miles per hour for a total of 45 minutes
Domain x is number of hours
Range y is distance traveled
speed = 12 miles per hour
time = 45 minutes = = 0.75 hours
We know distance formula
Distance = speed * time
Distance = 12 * 0.75= 9 miles
Number of hours x is 0 to 0.75 hours
So domain is { }
Distance is 0 to 9 miles
So range is { }