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2 years ago

One thing to expect in the make-believe play of older preschoolers is

Social Studies

1 answer:

dimaraw [331]2 years ago

5 0

Well if you think back to your age you either played house or knights and dragons

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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

2 years ago

In what sense is the passage a challenge to medieval views and methods?

tino4ka555 [31]

Petrozavodsk is the correct one I think

4 0

3 years ago

2. The Boston Tea Party, the Intolerable Acts, and the Townshend Acts all were major

AnnZ [28]

Answer:

The American Revolution!!!!!!!!!!!!!!!

Explanation:

7 0

2 years ago

What is the main reason many people stop working on farms in mexico?

kumpel [21]

The main reason many people stop working on farms in Mexico is: <span>Not enough farm work
The Climate in Mexico is not very suitable for farm works because it has dry lands that contain fewer minerals and there is very little water source to sustain the farms' living.
</span>

7 0

2 years ago

a period when business is poor because is poor because people can't afford to buy goods or services and many workers lose their

V125BC [204]

Answer:

Recession or Economic stagnation

Explanation:

Due to the current pandemic, we might be heading into recession as many people have lost jobs so they cant afford stuff which is driving down US economy

7 0

2 years ago