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dlinn [17]
2 years ago
13

Again look at questions i asked earlier! its urgent please answer it correctly! ill brainleist you

Social Studies
1 answer:
natali 33 [55]2 years ago
7 0
He made great advances in agriculture, paper, and silk. Why was it necessary to make improvements in farming methods in ancient China? Trading routes called the silk road brought goods and ideas to and from China.
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A rectangular page is designed to contain 81 square inches of print. The margins at the top and bottom of the page are each 1 in
Nookie1986 [14]

Answer:

x = 11.02 inch by  y = 7.35 inch

Explanation:

Let the width of the print be = x

Then the width of the page is x + (1.5+1.5) = x + 3

Let the height of the print be = y

Then the height of the page is y + (1+1) = y + 2

Given the area of the print is 81 square inches

That means, xy = 81

Therefore, y = \frac{81}{x}

Therefore, the area of the page is

A = (x + 3)(y + 2)

   = (x + 3)(\frac{81}{x} + 2)

Now for least amount of paper to be used,

\frac{dA}{dx}=(x+3)(\frac{81}{x}+2)

\frac{dA}{dx}= \left (\frac{81}{x}+2  \right )+\left ( x+3 \right )\left ( -\frac{81}{x^{2}} \right )=0

\frac{81+2x}{x}=\frac{(x+3)(81)}{x^{2}}

81x+2x^{2}=81x+81\times 3

2x^{2}=243

x = 11.02 inch

Now y = \frac{81}{x}

          = \frac{81}{11.02}

          = 7.35 inch

Therefore the dimensions of thr page for the least amount of paper is x = 11.02 inch by  y = 7.35 inch

8 0
3 years ago
“To be a poor man is hard, but to be a poor race in a land of dollars is the very bottom of the hardships.”
oksano4ka [1.4K]

Answer:To be a poor man is hard, but to be a poor race in a land of dollars is the very bottom of hardships." I feel this quote is very important to the book. The quote speaks for itself, it's hard enough to be the lowest class of ones society, but being looked down by people makes matters worse.

Explanation:

4 0
2 years ago
The cabinet department with the largest number of full-time civilian employees is the department of
Degger [83]

Answer:

Defense

Explanation:

"The United States Department of Defense is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces." - wiki

4 0
3 years ago
What was the effect of the north blockaded the southern ports ?
34kurt

Answer:

Blockade of the southern ports was an important war times strategy of the North during the Civil War.

Explanation:

Northern forces organized a blockade of Confederate ports to prevent cotton exports and war material from smuggling into the Confederacy. It was a significant economic strategy that effectively prevented Confederate access to arms that could be manufactured by the industrialized north itself. Despite the economic loss  Britain and France remained neutral and therefore the international concern was not an issue anymore in the war.

7 0
3 years ago
Which factor threatens the viability of social security?
grandymaker [24]

Answer:

Answer....Long term Funding

Explanation:

Social security is a kind of monetary assistance for people in need of money, also, it can be inform of creating insurance scheme which will be of benefits to unemployed and disable people.

4 0
2 years ago
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