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2 years ago

What were the strengths and weaknesses of classical Chinese society?

1 answer:

4 0

Weaknesses include but are not limited to

-a weak central gov't

-political confusion

- differing philosophies

-communist society

-gender inequality

-social division "caste system" (but it could also be a strength in the sense that everyone knew their place"

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A zoo has 15 monkeys all but 8 die how many are left?

fenix001 [56]

7 is the answer good luck

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2 years ago

Read 2 more answers

Pavlova-9 [17]

Answer:

1750-1900 = -150

Explanation:

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2 years ago

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

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3 years ago

Which of Brazil climate zones has a good chance of snow? Plzzzzzz answer?!?!?!!!!???!??

topjm [15]

The correct answer is - Temperate highland.

The climate type in Brazil, in which the snow is a common occurrence in certain period of the year, is the temperate highland climate zone. It is located in the southern part of the country, and it is a climate zone where the dominant land features are the highlands.

Snow can occasionally occur in the other climate zones, like the temperate oceanic (also in the southern part of the country), or even in the tropical monsoon climate zone in the southeastern part of the country, but that is very rare.

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2 years ago

Why did Angela and Malachy McCourt marry in New York?

tatuchka [14]

E- Angela was pregnant

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2 years ago