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stiv31 [10]
2 years ago
14

What is the minimum unit cost of C(x)=0.7^2-210x+27,464?

Mathematics
1 answer:
Vika [28.1K]2 years ago
6 0
No local extrema i think?
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What is the answer to how does a digit in the 10,000s place compared to a digit in the thousands place
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Jack drove to work in the morning at an average speed of 45 miles per hour. He returned home in the evening along the same route
Dmitry [639]

Answer:

Step-by-step explanation:

Let's say that the time it took him to get to work in the morning is  t hours. Then the time it took him to get home in the afternoon must be 1 - t hours. We know that for any trip, distance equals rate times time or d = rt . That means that the distance he drove to work is given by , but we also know that the distance he drove to get home must be the same distance, because he took the same route (and, presumably, no one picked up him house and moved it while he was at work) so for the trip home we can say  d = 30 × (1 - t) and since the distances are equal, we can say: 

45t = 30 × (1 - t)

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Since ,  d = rt

d = 45 ×(2/5) = 18miles

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