What were some challenges engineers faced in designing aqueducts.

● Companionship; animals could serve as pets or companions to humans.

● Income generation; we have people who raise animals to sell when matured.

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Answer:

C. \(1.90\leq x \leq 2.10\)

Explanation:

The question states that x has is value in between and including 1.9 and 2.1. So the number is greater than or equal to 1.9 but less than or equal to 2.1.

In option A \(x\geq 2.1\) this means that the value of x is greater than or equal to 2.1 which does not satisfy the condition mentioned in the question

In option D \(x\) is greater than or equal to 2.1 but less than or equal to 1.9 which does not satisfy the condition mentioned in the question.

In option C \(x\) is greater than or equal to 1.9 and less than or equal to 2.1 which does satisfy the condition mentioned in the question.

So, option C is correct.

Answer:

the anser is B

Explanation:

The FBI stands for  Federal Bureau of Investigation  and the CIA stands for Central Intelligence Agency.

The Federal Bureau of Investigation (FBI) is the body assigned the duties of Investigation and enforcement of federal laws regarding issues  national security, including terrorism, espionage, and cybercrime

To assist the president and other policymakers, the Central Intelligence Agency (CIA) is tasked with gathering, processing, and disseminating intelligence data relating to national security.

To safeguard national security objectives, the CIA engages in covert activities and supports foreign governments and intelligence agencies.

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Answer:

Declaration of a variable is for informing to the compiler the following information: name of the variable, type of value it holds and the initial value if any it takes. i.e., declaration gives details about the properties of a variable. Whereas, Definition of a variable says where the variable gets stored.

Explanation:

Have a good day

The Answers for the given question are as follow:

a. The model speed is approximately 31.62 rev/min.

b. The scale ratio is approximately 0.0417.

c. The estimated volume flow rate through the model is approximately 943.44 m^3/s.

d. The bearing thrust of the model is approximately 9.72 kN.

To calculate the required values for the water turbine model, we can utilize the concept of dynamic similarity.

a. To find the model speed, we can use the principle of geometric similarity, which states that the ratio of speeds is equal to the ratio of the square roots of the head. Thus:

  Model speed = (√(Model head))/(√(Full-size head)) * Full-size speed

              = (√4.9/√16.5) * 93.7 rev/min

              = 31.62 rev/min

b. The scale ratio can be determined using the equation:

  Scale ratio = (√(Model power))/(√(Full-size power))

             = (√37.5kW)/(√27MW)

             ≈ 0.0417

c. To estimate the volume flow rate through the model, we can use the power equation:

  Model power = (Model efficiency) * (Volume flow rate) * (Model head) * (Gravity)

  37.5kW = 0.88 * (Volume flow rate) * 4.9m * (9.81m/s^2)

  Solving for the volume flow rate:

  Volume flow rate = 37.5kW / (0.88 * 4.9m * 9.81m/s^2)

                   ≈ 943.44 m^3/s

d. To calculate the bearing thrust of the model, we can use the principle of force similarity:

  Bearing thrust model = (Model power / Full-size power) * Full-size bearing thrust

                      = (37.5kW / 27MW) * 7.0GN

                      ≈ 9.72kN

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Answer:

They have to do calculations and take measurements.

Explanation:

Measurements can be defined as the process which typically involves the process of identifying and determining the dimensions of a physical object. The dimensions include important parameters such as width, height, length, area, volume, circumference etc.

Since carpenters are saddled with the responsibility of constructing objects such as chairs, tables, stools, etc having various shapes and sizes, it is very important and essential that they have a good understanding (knowledge) of mathematics.

Hence, carpenters require an understanding and knowledge of mathematics because they have to do calculations and take measurements.

Answer:

They have to take calculations and measurements

Explanation:

I just took the test and got it right and carpenters often work on houses and stuff, and they need to take measurements and calculations when building the house.

Let’s first be less vague. We’ll say pressure, there’s an intensive property. Also, let’s identify a material. We’ll say water as its vapor behavior is so well understood.

So, if what you are asking is would the pressure of saturated water vapor that boiled off of pure water be different than the pressure of saturated water vapor that was generated from a solution (let’s not require it be saturated) of, say, water and sugar that was mostly sugar, if the temperatures are equal then the answer is yes. Why? Because the boiling points are different.

For example, if you were to find saturated vapor in a system at atmospheric pressure above water, then that steam would be at 212 °F and 0 psig (14.7 psia). Water vapor above a 50%+ DS (dissolved solid to water by mass percentage) solution of dextrose and water would have a partial pressure lower than atmospheric in the same setting. Why? Because we still have a ways to go before that solution will actually boil.

Now, when you do reach its boiling point you will have a vapor that is at 0 psig but it will not be saturated. It will instead be superheated, as the dextrose molecules have a negligible vapor pressure. The vapor you get is basically all water (with some tiny entrained but not vaporized sugar droplets), and as the boiling point was greater than the saturated temperature for that pressure it’s superheated out of the gate. If you were to take it out of that system and allow it to desuperheat on its own (without the addition of a water spray) it would lose pressure to achieve saturation.

I hope that helped.

The volume of 1 liter of liquid water will remain unchanged when the pressure doubles and the temperature remains constant at 14.7 PSI.

The volume of a liquid, such as water, is generally considered to be almost incompressible. Therefore, when the pressure applied to a liquid increases while the temperature remains constant, the volume does not change significantly. This is known as the isochoric or constant volume condition.

In the given scenario, the pressure doubles from 14.7 PSI to 2 * 14.7 PSI = 29.4 PSI. However, since the temperature remains the same, the volume of the liquid water will not be affected. It will still be approximately 1 liter.

This conclusion is based on the fact that water is considered to be incompressible under ordinary conditions. In reality, there may be very small changes in volume due to the compressibility of water, but these changes are typically negligible and can be disregarded for most practical purposes.

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Answer:

False

Explanation:

Answer:

False............................

Explanation:

Answer: Fusion

Explanation:

It has a tendency to fuse stuff

The correct answer is Option B).

GMA (MIG) welding is a fusion welding process.

Given data:

GMA (Gas Metal Arc) welding, also known as MIG (Metal Inert Gas) welding, is a fusion welding process. In GMA/MIG welding, a consumable electrode wire is used to create an electric arc between the wire and the workpiece. The arc heats and melts the base metals, and a shielding gas, typically a mixture of argon and carbon dioxide, is used to protect the weld pool from atmospheric contamination.

During the welding process, the molten electrode wire and the base metal fuse together to form a solid weld joint. This fusion of the materials is characteristic of fusion welding processes, where the base metals are melted to create the weld.

Hence, GMA/MIG welding is considered a fusion welding process.

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Pressing Shift key will change the justification of a wall. The correct option is D.

The Shift key On a keyboard, the modifier key Shift is used to type capital letters and other "upper" characters.

On the left and right sides of the row beneath the home row, there are normally two shift keys.

When drawing a wall, hold down the CTRL key to flip it over or reverse its parts. From the Properties Palette, a wall's justification can be set to Left, Right, Center, or Baseline.

You may also hold down the SHIFT key while sketching the wall to cycle through the possible defences.

Thus, the correct option is D.

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Answer:

Using a straight edge and pencil is one way to create a straight line on a roof, but it may not be the most efficient or effective method depending on the size and shape of the roof.

A chalk line is a tool commonly used for creating straight lines on large surfaces, such as roofs. It consists of a long string coated in colored chalk powder that is pulled taut between two points on the roof. When the string is released and snaps back onto the roof, it leaves a straight line of chalk powder that can be used as a guide for cutting or marking.

Using a chalk line is generally faster and more accurate than using a straight edge and pencil, especially for long distances. However, it may not be appropriate for all situations, such as if the roof surface is too uneven or if the chalk powder would be difficult to clean up. In these cases, using a straight edge and pencil may be a better option.

Explanation:

Answer:

terminology

is the right answer

hope this is helpful

Since the  design team conducts a webinar with 25 potential users describing the qualities they find most useful in a new video design program, they are trying to  get more people into the field of Programming especially video design .and thus are testing the level of their skills to make inform decison.

A webinar's primary goal is to instruct, illustrate, or educate. While B2B (business to business) organizations frequently employ webinars for marketing.

You can immediately provide value to your audience through webinars. Leaders can share the appropriate information, instruction, and experience through webinars. Giving value first also helps to establish rapport and relationships. This then fosters a devoted following, which boosts sales.

Therefore, A creative area of stagecraft is video design or projection design. It focuses on the development of and integration of live camera feed, motion graphics, and film into the fields of theater, opera, dance, fashion shows, concerts, and other live events.

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Answer:

it is a water thing you put it on a hose so you can have different modes on how the water come out

Biomedical engineers may need to dilute solutions for several reasons. One common reason is to adjust the concentration of a particular substance to a desired level for experimental or clinical purposes.

Dilution allows for precise control over the concentration of a solution, enabling researchers or healthcare professionals to study the effects of different concentrations of substances on biological systems.

In biomedical engineering, dilution is often employed when working with drugs or therapeutic agents. By diluting a concentrated drug solution, engineers can create different dosages suitable for specific applications. This is crucial for ensuring patient safety and achieving desired therapeutic outcomes.

Additionally, dilution is necessary for calibration and quality control purposes in biomedical engineering. Diluting stock solutions of known concentrations can generate a range of standard solutions used to calibrate instruments, verify measurement techniques, or assess the accuracy of analytical methods.

Dilution plays a critical role in ensuring accurate and reliable data collection, analysis, and experimentation within the field of biomedical engineering.

In summary, dilution is an essential technique for biomedical engineers as it allows them to control the concentration of substances, customize drug dosages, and maintain accuracy in calibration and quality control processes, all of which are vital for research, development, and healthcare applications.

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Answer:

Okay got it

How many points are they. Send it to me I want to see it

Answer:Levees are the mainstay of the MR&T project flood-control plan. The system protects the vast expanse of the developed alluvial valley from periodic overflows of the Mississippi River.Life in Davenport, Iowa, revolves around the Mississippi River. ... The Mississippi is usually a source of pride, but this spring locals watched it ... It surged past 15 feet—flood stage, when water spills into areas not usually ... a river primed to over ow dramatically—a problem that climate change is .Floods on the mighty Mississippi River are larger and more frequent today than at any time in the past 500 years — in part, a new study suggests, because structures erected to control the river have increased the flood risk. ... The team examined three lakes that were cut off from the river around 1500, 1722 and 1776.Apr 4, 2018

Explanation:

Answer:

combining scientific knowledge, careful reasoning, and artistic invention in a flexible approach to problem-solving

Explanation:

In a cost-benefit analysis, the engineering team aims to evaluate the feasibility and value of installing new, more efficient solar panels on the International Space Station (ISS). They can use the following equation:

Net Benefit = Total Benefits - Total Costs

By using this cost-benefit analysis equation, the engineering team can make an informed decision about the installation of new, more efficient solar panels on the ISS.

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1. The advantages of saving for short, medium and long term goals are when you are diligent in saving, living with a calm mind, stable income, and having savings early on to support life when needed. Because we don't know how long we will continue to get consistent income from work, if we don't start saving early.

2. The purpose of saving for large purchases is that saving also makes it easier to make big purchases in the future, such as buying a motorbike, car or house. By saving, purchasing goods in large quantities will feel easier and less burdensome.

3. As a result, if we don't save for large purchases, we can use primary funds for large purchases, so that it will greatly interfere with fulfilling our needs.

4. Challenges that might prevent someone from saving for a big purchase:

The main problem preventing people from starting to save is not that they don't know where to find the money to save. However, because of the mindset about money.

Mentally, they see no benefit in finding the money from changing current expenses.

There are several benefits of saving, namely:

1. Learn to value money

When we save, we will know how difficult it is to collect and earn money. Thus, we will learn to think about how to best use this money according to needs, not just wants.

2. Learn Discipline

The habit of saving is able to train us to be disciplined in managing finances because when we start saving, there must be pocket money that must be set aside.

3. Learn to Live Frugal

Saving is able to train us to distinguish between wants and needs, so that we don't easily use money for things that are not important.

4. Practicing Independence

By saving, we will learn to fulfill our needs and desires through our own efforts without having to ask or whine to have their wishes fulfilled.

5. Learn to Manage Finances

From saving, besides being able to tell what our needs and desires are, we can also make money management for our daily needs, such as how much money to eat, how much pocket money and so on.

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Answer:

C. Has a high rate of collisions

give me brainlist

Explanation:

Expressways are designed with safety features and regulations to minimize the occurrence of collisions. While accidents can still happen on expressways, they are not characterized by a specifically high rate of collisions.

Answer:

It's a dark story about a skilled assassin who was taken away from her family at a young age and grew up isolated, leading to the deterioration of her mental health. She began seeing a figure in the mirror who became her only friend and confidant. Despite the figure's warning, she grew close to her comrades and suffered a great loss when they were killed on a mission. When she asked her master for permission to give them a proper funeral, he refused, causing her to snap and kill him. The figure in the mirror continued to influence her, and her life became even more cruel and cold. The story leaves the girl's fate ambiguous, but it seems that she is still wandering, waiting for release from her pain.

Answer:

It's true

Explanation:

I took the quiz a few days ago and got it right!

Hope this helps:)

1) Total distance travelled by Newt during his entire trip is =1000m

His total relegation for his entire trip is =400m

2) Distance from A to B to A  is =400m

relegation from A to B to A is =0m

3) Distance from  B to C  is =300m

relegation from B to C is =300m

4) Average speed of entire trip = 5 m/s

Average haste of entire trip =2 m/s

5)  Average speed  from A to B to A  is 5 m/s.

Average velocity  from A to B to A is 0 m/s.

6)Average speed  from  B to C  is 5 m/s.

Average haste  from B to C is 5 m/s.

What is Distance?

Distance is the sum of an object's movements, anyhow of direction. Distance can be defined as the quantum of space an object has covered, anyhow of its starting or ending position.

What is relegation?

The term" relegation" refers to a shift in an object's position. It's a vector volume with a magnitude and direction. The symbol for it's an arrow pointing from the original position to the ending place.

What is Velocity?

The primary index of an object's position and speed is its haste. It's the distance that an object peregrination in one unit of time. The relegation of the object in one unit of time is the description of haste.

What is average speed?

The overall distance the object covers in a given quantum of time is its average speed. A scalar value represents the average speed. It has no direction and is indicated by the magnitude.

Average speed of entire trip =\(\frac{\text{total distance covered}}{\text{total time taken}}=\frac{1000}{200}=5\,m/s\)

4) Average haste of entire trip =\(\frac{\text{total displacement covered}}{\text{total time taken}}=\frac{400}{200}=2\,m/s\)

5) Average speed  from A to B to A  is  =  

                                                  \(\frac{\text{ distance covered from A to B to A}}{\text{ time takenfrom A to B to A}}=\frac{400}{80}=5\,m/s\)

Average haste  from A to B to A is =

                                                               \(\frac{\text{displacement covered from A to B to A}}{\text{time taken from A to B to A}}=\frac{0}{80}=0\,m/s\)

6) Average speed  from  B to C  is =\(\frac{\text{ distance covered from B to C}}{\text{ time takenfrom B to C}}=\frac{300}{60}=5\,m/s\)

Average haste  from B to C is =\(\frac{\text{displacement covered from B to C}}{\text{time taken from B to C}}=\frac{300}{60}=5\,m/s\)

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Question is uploaded into picture.

Answer:

N/A.

Explanation:

Cannot create an answer due to the lack of the question.

Answer:

Tool enginear??????

Explanation:

sorry for wrong spellin

Answer:

Explanation:

Answer:

crop rotation

Explanation: