A roller coaster's height is given by the equation h= -0.46t^2+ 5t +75, where t represents the time in seconds. How long will it
take riders to pass over the hill and reach ground level? Hint: Set h = 0.
O 122.05 seconds
O 75.00 seconds
O 54.35 seconds
O26.71 seconds
O 122.05 seconds
O 75.00 seconds
O 54.35 seconds
O26.71 seconds
1 answer:
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Answer:
20 quarts of 6% butterfat milk and 40 quarts of 3% butterfat milk is used to make 60 quarts of 4% butterfat milk.
Step-by-step explanation:
We are given the following in the question:
Let x quarts of 6% butterfat milk be used and y quarts of 3% butterfat milk be used to make 60 quarts of 4% butterfat milk.
Thus, we can write the equation:
Total amount of 3% butterfat milk = 60
Thus, we can write the equation:
Solving the two equation, we get,
Thus, 20 quarts of 6% butterfat milk and 40 quarts of 3% butterfat milk is used to make 60 quarts of 4% butterfat milk.