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maksim [4K]
2 years ago
6

Which table shows no correlation?

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
3 0

Instead of adding 6 three times, you can multiply 6 by 3 and get 18, the same answer.

Similarly,

6 + 6 + 6 + 6 + 6 + 6 + 6 = 6 × 7 = 42

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2 = 2w × w × h

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Area of the lid = l × w = 2w²,

While the area of the sides = 2hw + 2hl

= 2h( w + l)

= 2\times \frac{1}{w^2}(w+2w)

=\frac{6w}{w^2}

=\frac{6}{w}  

Since, Material for the base costs $1 per m². Material for the sides and lid costs $2 per m²,

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=2w^2+4w^2+\frac{12}{w}

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C'(w) = 12w -\frac{12}{w^2}

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For maxima or minima,

C'(w) = 0

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For w = 1, C''(w) = positive,

Hence, for width 1 m the cost is minimum,

Therefore, the minimum cost is C(1) = 6(1)²+12 = $ 18,

And, the dimension for which the cost is minimum is,

2 m by 1 meter by 1 meter.

7 0
3 years ago
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