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Answer:
(x -2)^2 + (y +4)^2 = 18
Step-by-step explanation:
To find the constant the expression is equal to, fill in the coordinates of the given point and do the arithmetic.
(-1 -2)^2 +(-1+4)^2 = 9 + 9 = 18
The equation of the circle is ...
(x -2)^2 + (y +4)^2 = 18
Answer:
A
Step-by-step explanation:
Answer:
Collen's average speed was 11.875 miles/h
Step-by-step explanation:
The average speed is given by the total distance travelled divided by the time at which the route was completed. So in this case the total distance is 9.5 miles and the time to complete it was 0.8 hour. We then have:
average speed = total distance/ time
average speed = 9.5/0.8 = 11.875 miles/h
Collen's average speed was 11.875 miles/h
You have to have the same unit of measure. Here your units are "minutes" and "seconds". In order to compare the two, you must change to 240 seconds into minutes (dividing by 60 = 4 mins) OR change the 5 minutes into seconds (multiply by 60 to give you 300 seconds)
When you have the same denominator. Other than that have different denominators will not be possible.