true or false: pre-civil war building technology included the first structural use of iron for buildings in the cast-iron fronts and building frames.

Answer:

Explanation:

Complements are used in digital circuits, because it is faster to subtract by adding complements than by performing true subtraction. The binary complement of a number is created by reversing all bits and adding 1. The carry from the high-order position is eliminated.

Answer:

You didn't write full questions

Explanation:

Where are options? You say following but there is no any option

Answer:

10.5

Explanation:

Convert to an equation for example P%* X=Y

P is 7.5% X is 140, so the equation Is 7.5 percent * 14= Y

convert 7.5% Into a decimal by removing the percent sign and deviding by 7.5/100= 0.075

Substitute 0.075 for 7.5% in the equation: 7.5%*140=Y becomes 0.075*140= 10.5

The water flow rate in an open channel in cubic feet per second is approximately 9.6 cubic feet per second.The correct answer is option D.

The water flow rate in an open channel in cubic feet per second if the channel is 3 feet wide, the water depth is 1.6 feet, and the water velocity is 2 feet per second is approximately 9.6 cubic feet per second.

What is the formula for calculating water flow rate in an open channel?The formula for calculating water flow rate in an open channel is as follows:Q = A × V,where Q represents the water flow rate A represents the cross-sectional area of the channe lV represents the water velocity.

In the given scenario, the width of the channel is 3 feet and the depth of the water is 1.6 feet.

Hence, the cross-sectional area of the channel can be calculated as follows:A = Width × Depth= 3 ft × 1.6 ft= 4.8 ft²Now, substituting the values into the formula of water flow rate,Q = A × V= 4.8 ft² × 2 ft/sec= 9.6 ft³/sec.

Therefore, the water flow rate in an open channel in cubic feet per second is approximately 9.6 cubic feet per second.The correct answer is option D.

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The probable question may be:
What is the water flow rate in an open channel in cubic feet per second (ft³/s) if the channel is 3 feet (ft) wide, the water depth is 1.6 feet (ft), and the water velocity is 2 feet per second (ft/s)?

Select only one:

A 11.2 ft³/s

B 8.4 ft³/s

C 7.2 ft³/s

D 9.6 ft³/s

E 4.8 ft³/s

The value of the site is $10,472,000.

The total construction costs are:

$6,000/m2 * 10,000m2 + $400,000 = $64,000,000

The professional fees are:

$64,000,000 * 0.13 = $8,320,000

The total development costs are:

$64,000,000 + $8,320,000 = $72,320,000

The developer's return for risk and profit is:

$72,320,000 * 0.20 = $14,464,000

The total cost of the development is:

$72,320,000 + $14,464,000 = $86,784,000

The expected rent is:

$3,000/m2 * 8,000m2 * 12 months = $28,800,000

The initial yield is:

$28,800,000 * 0.07 = $2,016,000

The value of the site is:

$86,784,000 - $2,016,000 = $10,472,000

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UAVs can be categorized like any other form of aircraft based on design features including weight, engine type, maximum flight altitude, operational duty, degree of operational autonomy, etc.

A drone is a type of unmanned aerial vehicle (UAV), which is an aircraft without a human pilot, crew, or passengers. Unmanned aerial vehicles (UAVs) are a part of unmanned aircraft systems (UAS), which also feature the addition of a controller on the ground and a communications network with the UAV. UAVs' flight can be remotely flown by a human operator, or it can have varying degrees of autonomy, such as autopilot help, up to fully autonomous aircraft that don't allow for human involvement. UAVs were initially created in the twentieth century to perform military tasks deemed "dull, unclean, or dangerous" for humans. By the twenty-first century, they had evolved into vital tools for the majority of militaries.

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UAVs can be categorized like any other form of aircraft based on design features including weight, engine type, maximum flight altitude, operational duty, degree of operational autonomy, etc.

A drone is a type of unmanned aerial vehicle (UAV), which is an aircraft without a human pilot, crew, or passengers. Unmanned aerial vehicles (UAVs) are a part of unmanned aircraft systems (UAS), which also feature the addition of a controller on the ground and a communications network with the UAV.

UAVs' flight can be remotely flown by a human operator, or it can have varying degrees of autonomy, such as autopilot help, up to fully autonomous aircraft that don't allow for human involvement. UAVs were initially created in the twentieth century to perform military tasks deemed "dull, unclean, or dangerous" for humans. By the twenty-first century, they had evolved into vital tools for the majority of militaries.

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Answer:do me ti

Why not me

Why not me

do me ti

Why not me

Why not me

Do me ti

Why not me

Why not me

Explanation:

mitski

Answer:

In I-Q modulation technique, many symbols or signals with different amplitude and phase are generated. What is the map of all of the symbols called:____.

d. constellation diagram.

Explanation:

A constellation diagram is a representation of all the possible symbols that a system can transmit.  It shows these as a collection of points on the map.  For a signal modulated by a digital modulation scheme, the constellation diagram is used to display both the ideal (reference) signal and the actual measured signal on the same plot.  Modulation simply means the process of converting data into electrical signals so that they are optimized for transmission.

Answer:

4 balls

Explanation:

First, we find out how many tennis balls are there altogether.

There are 8 cans and each can has 3 tennis balls.

Total numberThese balls are shared with 6 players. So we divide the total quantity by 6 to find out how many tennis balls each player gets.

Each player = 24 ÷ 6 = 4

of balls = 8 x 3 = 24

Answer:

desire to make money that motivates people to produce and sell goods and services. ... rivalry among producers or sellers of similar goods and services to win more business. economic efficiency. wise use of available resources so that costs do no exceed benefits.

An average onshore wind turbine with a capacity of 2.5–3 MW can produce more than 6 million kWh in a year – enough to supply 1,500 average EU households with electricity.

Define Electricity?

.

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Over 6 million kWh can be produced annually by an onshore wind turbine with a capacity of 2.5–3 MW, which is sufficient to power 1,500 typical EU households.

The movement of electrical power or charge is called electricity. It is a secondary energy source, which means that it comes from the conversion of primary energy sources like coal, natural gas, oil, nuclear power, and others.

Electricity is the flow of charges in a conductor. The terminal moves charges from one end to the other. In most cases, it moves from a positive terminal to a negative terminal. Because the nucleus holds the electrons loosely, they can move around the body freely.

Even more can fit inside the outer shells. There may be as many as seven electron-filled shells in some atoms with many protons. Protons are strongly attracted to the electrons in the shells closest to the nucleus.

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When air is mechanically pumped/forced into the cylinder, the combustion chamber receives an increase in air pressure known as boost.

An air compressor that boosts the pressure of air delivered to an internal combustion engine is known as a supercharger. Due to the engine receiving more oxygen during each intake cycle and being able to burn more fuel, this results in a higher power output.

These forced induction systems include turbochargers and superchargers. These systems inject pressurized air into the engine using compressors. The engine receives more oxygen thanks to the compressed air, which contributes to a power boost.

The combustion chamber experiences a rise in air pressure as air is fed into the cylinder. This pressure increase, known as boost, is expressed in pounds per square inch (psi), atmospheres (ATM), or bars.

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Texas law requires children of certain ages, weights, and heights to be restrained by a federally approved child passenger restraint system, booster seat, or safety belt when transported in any motor vehicle other than a public carrier for hire or school bus. The correct option is C. All of the above.

This means that children who are younger than 8 years old, shorter than 4 feet 9 inches tall, and under 80 pounds must be secured in a child safety seat or booster seat. Children who are 8 years old or older or taller than 4 feet 9 inches must be secured in a safety belt. The purpose of these laws is to protect children in the event of a car accident and to reduce the risk of serious injury or death. The correct option is C. All of the above.

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(a) The increase in vertical stress beneath the center of one column of a water tower on a mat foundation at a depth of 2 to 30 m is 3.92 kPa.

(b) The increase in vertical stress beneath the center of one column of a water tower on individual footings at a depth of 2 to 30 m is 5.09 kPa.

The total increase in stress was 5.09 kPa.

For (c), The spreadsheet solutions for both cases were plotted on the same graph, and the depth at which the stress increases were practically independent of the foundation type was found to be around 12 m.

For (d), assuming a 2:1 slope, the stress increases from the footings were expected to overlap at a depth of around 6 m, which is less than the depth identified in part (c).

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Answer:

The fundamental difference between effective and less effective matrix organizations is whether the tension between different perspectives is creative or destructive. While various processes, systems and tools can help, what matters most is what top leadership says and does and how that flows through the organization in shared targets, clear accountabilities, live team interactions and team-building transparency and behaviors.

Getting matrix management right is linked inextricably to an organization’s culture - the only sustainable competitive advantage. Key components of a culture can be grouped into behaviors, relationships, attitudes, values and the environment.

Environment and values: Each organization has its own environment, context and bedrock values. Everyone needs to know what matters and why. Don’t try to do anything else until you’ve got that set.

Attitude is about choices: An organization’s overall strategy drives choices about which of its parts will be best in class (superior), world class (parity), strong (above average), or simplified/outsourced to be good enough. These choices help determine the need for a matrix and how best to design it.

Relationships and behaviors: This is why organizations have matrices. The most effective of them best balance focus and collaboration. They allow leaders and teams to build differential strengths and then work together to make the best possible decisions and scale enterprises with a creative tension that they could not do on their own.

My colleague Joe Durrett has worked all sides of matrix organizations in marketing at Procter & Gamble, sales and general management at Kraft General Foods and CEO of Information Resources, Broderbund Software and Advo. He has seen matrices at their best and at their worst and offered his perspective for this article along with his partners John Lawler and Linda Hlavac. The 12 ways to make matrix organizations more effective were built on their ideas.

Explanation:

Answer:

Work is the amount of energy transfered by a force.

Energy is the amount of power an object gets from its position or motion.

Power is the combination of all forces and movements of a system that is the rate at which work can be done by a system.

Answer:

a) \(L = 1.5\)

\(L_q = 0.9\)

\(W = \dfrac{1 }{8 } \, hour\)

\(W_q = \dfrac{3}{40 } \, hour\)

\(P = \dfrac{3}{5 }\)

b) The new backacter should be recommended

c) The additional backacter should not be deployed

Explanation:

a) The required parameters are;

L = The number of customers available

\(L = \dfrac{\lambda }{\mu -\lambda }\)

μ = Service rate

\(L_q\) = The number of customers waiting in line

\(L_q = p\times L\)

W = The time spent waiting including being served

\(W = \dfrac{1 }{\mu -\lambda }\)

\(W_q\) = The time spent waiting in line

\(W_q = P \times W\)

P = The system utilization

\(P = \dfrac{\lambda }{\mu }\)

From the information given;

λ = 12 trucks/hour

μ = 3 min/truck = 60/3 truck/hour = 20 truck/hour

Plugging in the above values, we have;

\(L = \dfrac{12 }{20 -12 } = \dfrac{12 }{8 } = 1.5\)

\(P = \dfrac{12 }{20 } = \dfrac{3}{5 }\)

\(L_q = \dfrac{3}{5 } \times \dfrac{3}{2 } = \dfrac{9}{10 } = 0.9\)

\(W = \dfrac{1 }{20 -12 } = \dfrac{1 }{8 } \ hour\)

\(W_q = \dfrac{3}{5 } \times \dfrac{1}{8 } = \dfrac{3}{40 } \, hour\)

(b) The service rate with the new backacter = 1.5 minutes/truck which is thus;

μ = 60/1.5 trucks/hour = 40 trucks/hour

\(P = \dfrac{12 }{40 } = \dfrac{3}{10}\)

\(W = \dfrac{1 }{40 -12 } = \dfrac{1 }{38 } \, hour\)

\(W_q = \dfrac{3}{10 } \times \dfrac{1}{38 } = \dfrac{3}{380 } \, hour\)

λ = 12 trucks/hour

Total cost = \(mC_s + \lambda WC_w\)

m = 1

\(C_s\) = GH¢ = 1300

\(C_w\) = 400

Total cost with the old backacter is given as follows;

\(1 \times 1000 + 12 \times \dfrac{1}{8} \times 400 = \$ 1,600.00\)

Total cost with the new backacter is given as follows;

\(1 \times 1300 + 12 \times \dfrac{1}{38} \times 400 = \$ 1,426.32\)

The new backacter will reduce the total costs, therefore, the new backacter is recommended.

c)

Here μ = 3 min/ 2 trucks = 2×60/3 truck/hour = 40 truck/hour

\(\therefore W = \dfrac{1 }{40 -12 } = \dfrac{1 }{38 } \, hour\)

Total cost with the one backacter is given as follows;

\(1 \times 1000 + 12 \times \dfrac{1}{8} \times 400 = \$ 1,600.00\)

Total cost with two backacters is given as follows;

\(2 \times 1000 + 12 \times \dfrac{1}{38} \times 400 = \$ 2,126.32\)

The additional backacter will increase the total costs, therefore, it should not be deployed.

In Florida, any driver less than 21 years of age who is stopped by law enforcement and has a breath or blood alcohol level of 0.02 or higher will automatically be suspended of their driving privilege for 6 months.

This law is known as the Zero Tolerance law, and it applies to young drivers because they are at a higher risk of being involved in alcohol-related accidents. The purpose of this law is to deter underage drinking and driving by imposing strict consequences.

It is important for young drivers to understand the serious consequences of drinking and driving, not only for their own safety but also for the safety of others on the road. Therefore, if a driver under 21 is caught with a blood alcohol level of .02 or higher, their driving privilege will be suspended for 6 months.

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Answer:

Management Engineer.

Explanation:

A Management Engineer is someone with a commercial engineering understanding and marketing techniques.

The role of a management engineer covers overseeing the activities of all the engineering departments in an engineering firm particularly in the area of product development, implementation, and production.

This is to ensure the products meet and satisfy the business methods and techniques specifically in the area of cost efficiency and quality product.

Under Management Engineering there are subdivisions of Manufacturing and Industrial Engineer, which both fit the role of Malcolm.

Hence, in this case, Malcolm work as a Management Engineer

Answer:

Analysis

Explanation:

Plato

Answer:

4. Competent person

Explanation:

A competent person should inspect the crane

OSHA regulations only require that such equipment be inspected during initial use and annually thereafter by a "competent person"

The gas phase reaction of the C6H6(g) + Cl2(g) = C6H5Cl(g) + HCl(g)  will get the chlorobenzene and hydrogen chloride.

Given data :

C6H6(g) + Cl2(g) = C6H5Cl(g) + HCl(g)

Change in Free Energy: ΔG(20C) = -125.7kJ (negative, so the reaction runs)

Change in Enthalpy: ΔH(20C) = -119.9kJ (negative, so the reaction is exothermic)

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Answer:

Uh- dude if you think I'm gonna download that, think twice...

False. Fire extinguishing equipment cannot be frozen according to Ref. 213/91.

According to Ref. 213/91, fire extinguishing equipment cannot be frozen. Fire extinguishers are essential safety devices designed to combat fires effectively. They contain pressurized agents that are specifically formulated to extinguish different types of fires. Freezing temperatures can significantly impair the functionality of fire extinguishers and render them ineffective in emergency situations.

When fire extinguishing equipment freezes, several issues can arise. First, the contents of the extinguisher may expand as they freeze, potentially leading to ruptures or leaks in the container. This can cause the extinguisher to malfunction or become hazardous when used. Second, freezing temperatures can affect the performance of the extinguishing agent itself. Certain agents, such as water-based solutions, can solidify or lose their effectiveness when exposed to extreme cold.

It is crucial to store fire extinguishers in suitable environments that are above freezing temperatures. This ensures that the equipment remains in optimal condition and is ready for immediate use during emergencies. Regular inspections and maintenance are also essential to identify any signs of damage or deterioration that may compromise the functionality of fire extinguishers.

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a. If the message number is 128 bits long, it means that there are 2^128 possible unique message numbers. This is because each bit can take on two values (0 or 1), and with 128 bits, there are 2^128 possible combinations. Therefore, Alice and Bob could uniquely number 2^128 messages in this secure channel.

b. For authentication, an authentication function that provides a security factor of 256 bits is required. One commonly used authentication function is the HMAC (Hash-based Message Authentication Code) algorithm, which combines a cryptographic hash function (such as SHA-256) with a secret key. HMAC with a 256-bit key would provide the desired security factor.

c. To meet the required security factor of 256 bits for encryption, a symmetric encryption algorithm like AES-256 (Advanced Encryption Standard with a 256-bit key) can be used. AES-256 is a widely adopted encryption algorithm that provides a high level of security. It operates on blocks of data and uses a 256-bit key for encryption and decryption.

d. In the context of the secure channel, both authentication and encryption are needed to ensure secure communication between Alice and Bob. For authentication, a shared secret key is required between Alice and Bob. This key is used in the authentication function (e.g., HMAC) to verify the integrity and authenticity of the messages exchanged. So, a single shared key is needed for authentication.

For encryption, a symmetric encryption algorithm like AES-256 is used. In symmetric encryption, the same key is used for both encryption and decryption. Therefore, Alice and Bob would need to establish another shared key, specifically a 256-bit key, for encryption.

In summary, two shared keys are needed for the secure channel: one 256-bit key for authentication using HMAC, and another 256-bit key for encryption using AES-256. These keys would be securely exchanged and stored by both Alice and Bob to ensure the confidentiality, integrity, and authenticity of their communication.

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Answer:

 So its area A = 4 * 4sqrt(2) = 16sqrt(2) inches^2

Explanation:

In order to find the area of the section, we need to find the length of one of the diagonals.

Using the Pythagorean Theorem, a^2 + b^2 = c^2, we pick any side of the cube which in

itself is a square with sides 4 inches each.  The length of the diagonal of the square is

2(4^2) = c^2  or c = 4sqrt(2).

To calculate the area of the section, we must first determine the length of one of the diagonals. Using the Pythagorean Theorem, \(\bold{a^2 + b^2 = c^2}\), one selects any side of the cube which in its a square with four-inch sides.

           \(\to 2(4^2) = c^2 \\\\ \to c = 4\sqrt{(2)}\)

      \(\to A = 4 \times 4\sqrt{(2)} = 16\sqrt{(2)}\ inches^2\)

Therefore, the answer is "\(\bold{ 16\sqrt{(2)}\ inches^2}\)".

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Answer:

True

Explanation:

Those are the exact uses of a resistor

Answer:

\(I=3A\)

Explanation:

From the question we are told that:

Number of lamps \(N=4\)

Potential difference \(V=60v\)

Total Resistance of the lamp is \(R= 20ohms\)

Generally the equation for Current I is mathematically given by

 \(I=\frac{V}{R}\)

 \(I=\frac{60}{20}\)

 \(I=3A\)

Answer:

Control panel

Explanation:

The Control Panel is a component of Microsoft Windows which provides the ability to view and change system settings. It consists of a set simple computer programs (applets) that include adding or removing hardware and software, controlling user accounts, changing accessibility options, and accessing networking settings.

The fraction of light that will be transmitted through a 32 mm thickness of the transparent material is approximately 0.59049 or 59.049%.

To determine the fraction of light that will be transmitted through a 32 mm thickness of the transparent material, we need to use the information provided.

Let's assume that the fraction of nonreflected radiation transmitted through a 10 mm thickness is 0.90. This means that 90% of the incident light is transmitted through the 10 mm thickness.

Now, we need to find the fraction of light transmitted through the 32 mm thickness. To do this, we can assume that the fraction of transmitted light remains constant throughout the material.

Since 90% of the light is transmitted through 10 mm, we can say that 90% of the transmitted light will be transmitted through the next 10 mm as well.

This means that 90% of 90% (or 0.90) will be transmitted through the second 10 mm, which is 0.90 ˣ 0.90 = 0.81.

Similarly, 90% of 0.81 will be transmitted through the next 10 mm, which is 0.90 ˣ 0.81 = 0.729.

Continuing this pattern, 90% of 0.729 will be transmitted through the next 10 mm, which is 0.90 ˣ 0.729 = 0.6561.

Finally, 90% of 0.6561 will be transmitted through the last 2 mm, which is 0.90 ˣ 0.6561 = 0.59049.

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