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dexar [7]
3 years ago
11

A rectangular corral is enclosed using 120 m of fencing. The corral uses the side of a barn as one of its sides, so fencing is r

equired on three sides of the rectangular region. What dimensions would maximize the area enclosed by the fence?
Mathematics
1 answer:
Yuliya22 [10]3 years ago
8 0
The dimensions would be 40 m by 40 m.

To maximize area and minimize perimeter we make the dimensions as close to equal as possible.  Since we only need fencing on 3 sides, 120/3 = 40; we can use 40 for each side.  
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Need help question #3. Show steps please
Oksana_A [137]

Answer:

B.

Step-by-step explanation:

We are given:

\displaystyle \int \sqrt{x}\Big(9x^3-2\sqrt{x}+\frac{8}{x}\Big)\, dx

And we want to select its equivalent form.

Note that A is not valid. No integration property allows us to separate factors unless that factor is a constant.

We can simply rewrite and then distribute. First, by rewriting:

\displaystyle =\int x^{1/2}\Big(9x^3-2x^{1/2}+8x^{-1}\Big)\, dx

Distribute. Recall exponent properties;

\displaystyle =\int(9x^{3+1/2}-2x^{1/2+1/2}+8x^{-1+1/2})\, dx

Simplify:

\displaystyle=\int9x^{7/2}-2x+8x^{1/2}\, dx

This can then be separated (since its addition/subtraction) and integrated individually.

Hence, our answer is B.

8 0
3 years ago
Write this number in words form 3,388,198
Gwar [14]
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8 0
3 years ago
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Evaluate the numerical expression of 27 + 5 × 6
sesenic [268]
You have to use PEMDAS, by multiplying before you add. So when you multiply 5*6, you get 30 and add the remaining 27 to get 57.
4 0
3 years ago
State whether the following statements are true or false, and explain your reasoning.
Masja [62]

Answer:

Step-by-step explanation:

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b) A polygon with 21 sides has 432 possible diagonals. False

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6 0
3 years ago
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Alex_Xolod [135]
It is basically 8 thousand plus one thousand two hundred so your answer would be 9200
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