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Alexxx [7]
2 years ago
5

Can someone help please

Advanced Placement (AP)
1 answer:
DiKsa [7]2 years ago
4 0

Answer: B is the answer

Explanation: as there is no certain cost for food eaten as it depends from place to place.

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Surface Area of a can is 517.8 cm^2. Maximize the volume of this can using the measured surface area.
mafiozo [28]

Answer:

r = 5.24 --- Radius

h = 10.48 --- Height

Explanation:

Given

Object: Can (Cylinder)

Surface\ Area = 517.8cm^2

Required

Maximize the volume

The surface area is:

S.A = 2\pi r^2 + 2\pi rh

Substitute 517.8 for S.A

517.8 = 2\pi r^2 + 2\pi rh

Divide through by 2

258.9 = \pi r^2 + \pi rh

Factorize:

258.9 = \pi r(r + h)

Divide through by \pi r

\frac{258.9}{\pi r} = r + h

Make h the subject

h = \frac{258.9}{\pi r} - r --- (1)

Volume (V) is calculated as:

V = \pi r^2h

Substitute (1) for h

V = \pi r^2(\frac{258.9}{\pi r} - r)

Open Bracket

V = 258.9r - \pi r^3

Differentiate V

V' = 258.9 - 3\pi r^2

Set V' to 0

0 = 258.9 - 3\pi r^2

Collect Like Terms

3\pi r^2 = 258.9

Divide through by 3

\pi r^2 = 86.3

Divide through by \pi

r^2 = \frac{86.3}{\pi}

r^2 = \frac{86.3*7}{22}

r^2 = \frac{604.1}{22}

Take square root of both sides

r = \sqrt{\frac{604.1}{22}

r = 5.24

Recall that:

h = \frac{258.9}{\pi r} - r

Substitute 5.24 for r

h = \frac{258.9}{\pi * 5.24} - 5.24

h = \frac{258.9*7}{22 * 5.24} - 5.24

h = \frac{1812.3}{115.28} - 5.24

h = 15.72 - 5.24

h = 10.48

Hence, the dimension that maximize the volume is:

r = 5.24 --- Radius

h = 10.48 --- Height

7 0
3 years ago
Which of the following people are in the greatest
Ilia_Sergeevich [38]
It would have to be the children because the others aren’t eating them
7 0
2 years ago
Read 2 more answers
(B) How could U.S. workers possibly compete with foreign workers who are making wages that are only one-fifth of the wages of U.
KonstantinChe [14]

The correct answer to this open question is this.

Although there are no options attached we can say the following.

The way U.S. workers could possibly compete with foreign workers who are making wages that are only one-fifth of the wages of U.S. workers is the following.

US workers have to demonstrate their value, supported by their experience and academic preparation.

It is clear that immigrant workers are going to accept low-paid jobs or less amount of money for the work they do. That has made some US companies prefer hiring immigrants. But let's accept it, there are many jobs that many Americans are not willing to do. We are basically talking about works in the factories, in some industries, in construction, or in housekeeping jobs.

In the corporate world, white Americans still dominate the management and directive roles. There are just a few immigrants that are at the top of the hierarchy, however, the next generation of immigrants are pushing hard(sons and daughters of immigrants).

And competence is good. So American people and youngsters in general, have to be conscious of this situation and try harder. In the end, up until today, American companies still prefer US citizens to manage companies and favor them when deciding who is going to escalate in the corporate ladder.

4 0
3 years ago
(100 points...this is urgent please help :> )What was the role of Valkyries in Norse mythology?
Advocard [28]

Answer:

Valkyries take the souls of people who died bravely in battle to valhalla

Explanation:

I am a mythology nerd

6 0
3 years ago
Read 2 more answers
What is the term used for assigning the responsibility of completing a task to another person?
djyliett [7]
You could say he has the <span>initiative or ready and willing. Commited or ownership of the problem</span>
4 0
3 years ago
Read 2 more answers
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