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prohojiy [21]
3 years ago
14

Multiply two and four-fifths negative five and two-thirds whats the answer

Mathematics
2 answers:
lubasha [3.4K]3 years ago
8 0
I estimated and I got 63.

Hope this helps.
ANEK [815]3 years ago
4 0
The answer to your question is -16/3
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A jeweler wants to minimize business costs and has found that the average cost in dollars per necklace is given by C(x)=0.5x^2-7
Vika [28.1K]

Answer:

The maximum cost is 41 dollars per necklace.

Step-by-step explanation:

The average cost in dollars/necklace is given by :

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To maximize the cost, find the value of x by putting dC/dx = 0

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Now put the value of x = 7 in equation (1).

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