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3 years ago

Which type of elevated stand does not need a tree?

Engineering

1 answer:

SashulF [63]3 years ago

4 0

Answer:

Elevated stands place the hunter above ground level. They can be tree stands placed in or against trees, or freestanding structures. They have become increasingly popular in recent years with both firearm and bow hunters.

Explanation:

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An engineer must design a rectangular box that has a volume of 9 m3 and that has a bottom whose length is twice its width. What

Jet001 [13]

Answer:

$Length =3$ $Height = 2$ and $Width = \frac{3}{2}$

Explanation:

Given

$Volume = 9m^3$

Represent the height as h, the length as l and the width as w.

From the question:

$Length = 2 * Width$

$l = 2w$

Volume of a box is calculated as:

$V = l*w*h$

This gives:

$V = 2w *w*h$

$V = 2w^2h$

Substitute 9 for V

$9 = 2w^2h$

Make h the subject:

$h = \frac{9}{2w^2}$

The surface area is calculated as:

$A = 2(lw + lh + hw)$

Recall that: $l = 2w$

$A = 2(2w*w + 2w*h + hw)$

$A = 2(2w^2 + 2wh + hw)$

$A = 2(2w^2 + 3wh)$

$A = 4w^2 + 6wh$

Recall that: $h = \frac{9}{2w^2}$

So:

$A = 4w^2 + 6w * \frac{9}{2w^2}$

$A = 4w^2 + 6* \frac{9}{2w}$

$A = 4w^2 + \frac{6* 9}{2w}$

$A = 4w^2 + \frac{3* 9}{w}$

$A = 4w^2 + \frac{27}{w}$

To minimize the surface area, we have to differentiate with respect to w

$A' = 8w - 27w^{-2}$

Set A' to 0

$0 = 8w - 27w^{-2}$

Add $27w^{-2}$ to both sides

$27w^{-2} = 8w$

Multiply both sides by $w^2$

$27w^{-2}*w^2 = 8w*w^2$

$27 = 8w^3$

Make $w^3$ the subject

$w^3 = \frac{27}{8}$

Solve for w

$w = \sqrt[3]{\frac{27}{8}}$

$w = \frac{3}{2}$

Recall that : $h = \frac{9}{2w^2}$ and $l = 2w$

$h = \frac{9}{2 * \frac{3}{2}^2}$

$h = \frac{9}{2 * \frac{9}{4}}$

$h = \frac{9}{\frac{9}{2}}$

$h = 9/\frac{9}{2}$

$h = 9*\frac{2}{9}$

$h= 2$

$l = 2w$

$l = 2 * \frac{3}{2}$

$l = 3$

Hence, the dimension that minimizes the surface area is:

$Length =3$ $Height = 2$ and $Width = \frac{3}{2}$

6 0

3 years ago

I need help with this ASAP pls help

Evgen [1.6K]

Answer:

the font is tooo small plz zoom i so i can help

Explanation:

3 0

3 years ago

16. Which polymers are recyclable?

MrRissso [65]

Answer:

Number 2 is HDPE, or High-Density Polyethylene. It is most commonly found in plastic bags, oil and detergent bottles, and toys. It is one of the simplest polymers to recycle. It is broken down into flakes, decontaminated and then reused for pipes, flower pots or reused as (non-food) bottles.

8 0

3 years ago

Telnet into a Web server and send a multiline request message. Include in the request message the If-modified-since: header line

KiRa [710]

Answer:

The following command is issued

in Windows command prompt

followed by the HTTP GET

message to the “utopia.poly.edu"

web server:

> telnet utopia.poly.edu 80

As the index.html page in the web

server was not modified since

Mon, 18 May 2015 09:23:34GMT,

the following outputwas displayed

when the above commands were

issued on Sat, 23 May 2015.

The first 4 lines are the GET

message and header lines input by

the user.

The next 4 lines (starting from

HTTP/1.1 304 Not Modified) are

the response from the web server.

Explanation:

File is also attach which might help to explain the answer.

5 0

3 years ago

How are laws and regulations different from one another? A, Laws are long-standing, while regulations can be modified quickly La

vichka [17]

Answer:

Terms in this set (18)

Original

Which agency is responsible for managing Florida's hunting laws and regulations?

*The Fish & Wildlife Conservation Commission

*The US Fish & Wildlife Service

*The International Hunter Education Association

*The National Rifle Association

The Fish & Wildlife Conservation Commission

How are laws and regulations different from one another?

*Laws are long-standing, while regulations can be modified quickly

*Laws can be modified quickly, while regulations are long-standing

*Laws are governed by the federal government while regulations are governed by the state government

*Violators of laws are taken to criminal court while violators of regulations are taken to civil court.

Laws are long-standing, while regulations can be modified quickly

Why were hunting laws and regulations initially enacted?

*To help market hunters get enough game to survive

*To protect wildlife from over hunting and market hunting

*To help hunters get a fair price for food from wild game

*To protect wildlife from fair chase and conservation efforts

To protect wildlife from over hunting and market huntingExplanation:

8 0

3 years ago

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