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Nina [5.8K]
3 years ago
14

Can any one please help me with math

Mathematics
1 answer:
baherus [9]3 years ago
4 0

Answer:

Step-by-step explanation:

0.5

\dfrac{1}{5}=0.2\\\\\\5 \% =\dfrac{5}{100}=0.05

Smallest to greatest:

0.05   ; 0.2   ; 0.5

5%  ; 1/5   ; 0.5

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Metal Fabrication If an open box is made from a tin sheet 10 in. square by cutting out identical squares from each corner and be
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Answer:

  • ength (l) : (10-2*5/3) = 20/3
  • width(w): (10 - 2*5/3) = 20/3
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Step-by-step explanation:

Let x is the side of identical squares

By cutting out identical squares from each corner and bending up the resulting flaps, the dimension are:

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The volume will be:

V = (10-2x) (10-2x) x

<=> V = (10x-2x^{2}) (10-2x)

<=> V = 100x -20x^{2} - 20x^{2} + 4x^{3}

<=> V = 4x^{3}  - 40x^{2} + 100x

To determine the dimensions of the largest box that can be made, we need to use the derivative and and set it to zero for the maximum volume

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=>

  • length (l) : (10-2*5/3) = 20/3
  • width(w): (10 - 2*5/3) = 20/3
  • height(h): 5/3
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Answer:

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