A recipe for Macaroni and cheese calls for 2 1/3 cups of milk. How many cups do u need to make 1/2 of the original recipe
2 answers:
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The average speed is the ratio between the distance covered, and the time elapsed to cover that distance.
The total distance is the sum of the three distances covered:
Similarly, the total time elapsed is
So, althought you didn't always travelled with the same speed, you globally covered 170km in 1.75 hours. This leads to an average speed of
Answer:
(2,2) and (3,1)
Step-by-step explanation:
Since we're given the value of y in the second equation, we can replace the y on the left side of the first equation with 4-x, giving us
We can factor the expression on the right to get us
Solving and
gets us the solutions
, which we can plug into the second equation to get us
So, our solution set is the pair of points (2,2) and (3,1)