4. A banking system provides users with several services:
(a) to check their accounts to see recent transactions and balances;
(b) to pay bills online;
(c) to buy and sell investments.
All of these services require a secure log-in. If the system crashes or the network
connection fails during a transaction, all the financial data must be left in a consistent
state.
a. Draw use case diagrams for these requirements. Use standard symbols and shapes. MS
Office Visio, Lucidchart, draw.io, Creately, Smartdraw or Figma are optional tools
b. Give the use case specification for paying a bill online.

Answer:

metal step-flashing flashing is commonly used to waterproof joints between sloping roofs and vertical walls.

Hope its helpful!

Answer:

step-flashing is the answer.

Explanation:

Answer:

Tailored Software

Explanation:

The tailored software is designed to meet the specific requirement of the users and form an important part of the organisational MIS (Management Information System). Tailored software can interact and share information with the various sub components of the organisational MIS.

Hence the answer is Tailored Software

The factor of Safety by Maximum Distortion Energy Theory is given as: N = 6.04

According to this idea, failure by yielding happens when the distortion energy per unit volume in a condition of combined stress equals that associated with yielding in a basic tension test at any location in the body.

Note that we are given the following:

A solid Steel bar subjected to a bending force of F = 55kN

Torsional load T = 30 kN-mm; and

Yield Strength (sy) = 280Mpa

Sut = 330 Mpa

The formula for Normal Stress is given as:

[tex]\alpha _{x}[/tex] = [UP/πd²] + [ (32* f * L)/πd³]

= [(4 * 8 * 10³)/π * (0.02)²] + [(32 * 55 *10³ * 0.1)/ π * (0.02)³]

= 25.46 + 7.003

[tex]\alpha _{x}[/tex]= 32.5 Mpa

Tyz = (16T)/πd³

= (16 * 30)/ π * (0.02)³

= 19.098

Tyz = 19.098

Following from the above, sate of stress, we have:

α₁ = αₓ = 32.46 Mpa; and

α₂ = Tyz = 19.098 Mpa;

α₃ = -Tyz = -p19.098 Mpa;

Utilizing the formula given by the Maximum Distortion Energy Theory:

α₁² + α₂² + α₃² - (α₁α₂ + α₂α₃ + α₃α₁)

= Sy²/N²

→ 32.46² + 19.098² + 19.098² - ( 32.46* 19.098 - 19.098² -32.46 *  19.098)

= 280/N²

N = 6.04

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Answer:

A split point twist drill is a self-centering speed bit with a cutting angle of 135 degrees. It is specifically designed to drill into metal and other hard materials without wandering around on the surface.

Explanation:

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It is to be noted that it is impossible to find the Maclaurin Expansion for F(x) = cotx.

The Maclaurin Expansion is a Taylor series that has been expanded around the reference point zero and has the formula f(x)=f(0)+f′. (0) 1! x+f″ (0) 2! x2+⋯+f[n](0)n!

as indicated above, the Maclaurin infinite series expansion is given as:

F(x)=f(0)+f′. (0) 1! x+f″ (0) 2! x2+⋯+f[n](0)n!

If F(0) = Cot 0

F(0) = ∝ = 1/0

This is not definitive,

Hence, it is impossible to find the Maclaurin infinite series expansion for F(x) = cotx.

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Flip-flops are normally used for all of the following applications, except  logic gates.

Flip flops are known to be tools that are used for counting. They come in different ranges.

Note that Flip flops are one that can be seen on counters, storage registers, and others and as such, Flip-flops are normally used for all of the following applications, except  logic gates.

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Answer:

Land capability is one aspect of land classification. For the determination of land capability, the usefulness of land for agriculture, forest and tourism is assessed solely on the basis of physical environmental factors.

Hence the capability denotes

Answer:

50m/Sec

Explanation:

v = u-gt

u = v + gt

v = 0

t = 5

g = 10m/sec2 (9.8 is accurate)

u = 0 + (5x10) = 50 m/Sec

Using knowledge in DFS algorithms it is possible to write code that can organize the vertices and create functions that understand the order of factors.

dfs(node)

{

mark node as visited

//initialize ans for this node to label of this node

ans=label[node]

for every neigbor of node

{

if the neighbor is visited

{

ans=minimum(ans,calculated[neighbor])

}

else if the neighbor is unvisited

{

call dfs(neighbor)

ans=minimum(ans,calculated[neighbor])

}

}

calculated[node]=ans

}

{

if the node is not visted{

call dfs(node)

}

}

for the given example graph we get minimum label for vertices as:

1 1 1 3 3 6 (in order for a,b,c,d,e,f), so the vertex with this label are c,c,c,e,e,f.

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The Bidirectional Shift Register is the shift register that allows one to write a 5bit register if the series is shifted from left to right.

A 5-bit register is valuable because it can represent up to 32 items. It is to be noted that a bit is a digit that is binary that is indicative of two states.

While a 5-bit register can have a possible number of 32 values,

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Answer:

For civil engineering, the importance is that you want to ensure that your construction is in a good sturdy location.

Explanation:

Im at UNCC as a civil engineering student

The area moment of inertia for a circular cross-section with a 6 mm diameter will be 64 mm⁴. Option B is correct.

The moment of inertia is defined as the resistance offered in the rotation of the moment.

Given data;

The diameter of circular section ,d = 6 mm

The moment of inertia is, I

The moment of inertia for the circular cross-section;

[tex]\rm I = \frac{\pi d^4}{64} \\\\ \rm I = \frac{3.14 \times 6^4 }{64} \\\\ I = 63.585 mm^4[/tex]

The area moment of inertia for a circular cross-section with a 6 mm diameter will be 64 mm⁴

Hence option B is correct.

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Answer:

Explanation:

The forward-biased voltage drop of a semiconductor diode depends on the material it is made of and the method of fabricating the junction.

A silicon diode will have a voltage drop that can be estimated as 0.7 V. The actual value will depend on current and temperature.

A germanium diode will have a voltage drop closer to 0.3 V, again depending on current and temperature.

A Schottky diode may have a voltage drop between 0.2 and 0.3 V, so may be difficult to distinguish from a germanium diode.

If it measures 0.3 V, the diode is probably made of germanium, and is forward biased.

__

The reverse-biased voltage reading will generally match the open-circuit voltage of the testing device.

Answer:

Both are right

Explanation:

The Set Square should be placed against the lower edge of the T-Square, so the statement is true.

The T-square must be placed up against the edge of the drawing board. There must be no gaps otherwise the paper will not be set up correctly and drawing accurate horizontal and vertical lines will be impossible. The T-square must be placed up against the edge of the drawing board. There must be no gaps otherwise the paper will not be set up correctly and drawing accurate horizontal and vertical lines will be impossible.

With that being said, it is true that the set square should be placed against the lower edge of the T-square.

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The resources and instructions that should be used for the procedures of performing PMCS are:

PMCS is an acronym for preventive maintenance checks and services and it can be defined as the maintenance, checks, and services that are typically performed before, during, and after the use of any type of military equipment such as:

Basically, the resources and instructions that should be used for the procedures of performing PMCS are:

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The image of the drawing of a  surface development of a truncated cone is given in the image attached.

The term truncated cone is defined as any section of a cone or a pyramid that is said to not have a tip and it is one that ends in a plane that is often parallel to the base.

So therefore, The image of the drawing of a  surface development of a truncated cone is given in the image attached.

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The height at which the mass will be lifted is; 3 meters

Formula for efficiency is;

η = useful output energy/input energy

We are given

η = 60% = 0.6

Input energy = 4 KJ = 4000 J

Thus;

0.6 = useful output energy/4000

useful output energy = 0.6 * 4000

useful output energy = 2400 J

Work done in lifting mass(useful output energy) = force * distance moved

Useful output energy = 800 * h

where h is height to lift mass

Thus;

800h = 2400

h = 2400/800

h = 3 meters

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A statement which isn't true is that: B. we can find the Thevenin resistance for any circuit by zeroing all sources and finding the equivalent resistance of the resulting network.

In Electrical engineering, the true statements about Thevenin's theorem and Norton's theorem include the following:

In this context, we can infer and logically deduce that we cannot find the Thevenin resistance for an electrical circuit by zeroing all sources and finding the equivalent resistance of the resulting network.

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Answer:

Employees may request a separate closing conference without the employer present.

Explanation:

it’s basically the answer lol

Answer:

Gap Analysis is the process of discovering discrepancies between two or more sets of data flow diagrams or discrepancies within a single DFD. it might be helpful

Answer:

the answer is simply 5000250 because the phenomicals add up to the mainstream with beacoups

Diode logic gates are not suitable for cascading operation because the pull-down or pull-up resistance within makes them a high output resistance device.

A cascading operation refers to a process in electrical engineering which involves the use of a circuit breaker's current-limiting capacity, so as to enable an installation of lower-rated and lower-cost circuit breakers.

According to the National Electrical Code (NEC), diode logic gates are not entirely suitable for cascading operation due to the fact that the pull-down or pull-up resistance within makes them a high output resistance device.

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The ideal response for the age standard deviation would be zero.

A standard deviation (or σ) is a measure of how distributed the data is in reference to the mean. When the standard deviation is low, the data are concentrated around the mean, and when it is large, the data are widely dispersed.

They invited 25 persons who recently turned 100 years old, so the majority of attendees will be between the ages of 100 and 102. There is extremely little likelihood that anyone will be older than 102.

Since the majority of the data are centered at 100, the standard deviation will be zero or very close to it.

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Which of the following best represents the standard deviation for the ages of the new centenarians?

0

100

30

25

The heavy plough is the most important tool that Miguel left out of his presentation. The correct option is D.

The heavy plough was an important tool in the Iron Age and Middle Ages because it allowed farmers to cultivate more land and produce more food. This led to a population increase and a more prosperous society.

The other tools mentioned are also important, but they are not as essential as the heavy plough.

The hammer is useful for building homes, but it is not as important as the plough for food production. The drinking vessel is essential for carrying water, but it is not as important as the plough for advancing food production.

Fencing is useful for creating separation between properties, but it is not as important as the plough for advancing food production.

Therefore, the correct option is D.

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The integrity of this system is critical to avoiding electrocution.

Electrocution refers to a process through which a certain amount of electric current (electricity) flows through the body of a living organism, thereby, causing death or leading to severe injury.

According to the occupational safety and health administration (OSHA), it is very important to protect wiring because it's the key to keeping an electrical system in good condition.

This ultimately implies that, the integrity of this system is critical to avoiding electrocution.

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Answer:
The most common reason a cruise control stops working is due to a blown fuse or a defective brake pedal switch. It can also be caused by issues with the throttle control system or the ABS. In older cruise control systems it can be caused by a broken vacuum line.

Feedback mechanisms gives a way to effectively to change behavior and it can be used to monitor Marissa's wellbeing by:

The aim of a feedback mechanism is one that is known to be forward focused as it helps to link one's current actions to your future results.

Therefore Feedback mechanisms gives a way to rightly to alter behavior and it can be used to monitor Marissa's wellbeing though asking her consistently how she feels, how she is  and getting her settled and one can be able to find what is wrong with her and address it.

See full question below

Due to a change in ownership and management of your facility, there has been a high turnover of managers in the past six months. Staff are very confused as to what to do, what is required and who to report to causing a lot of stress and issues in the workplace. The new management put into place a change management initiative to clarify business objectives and work roles. After a few weeks, things started to settle down and staff are performing better.

Beth, a support worker approached you one day and said that Marissa, a colleague has been having emotional breakdowns lately at work, crying unexpectedly, unable to concentrate on her tasks and taking longer breaks than usual. Beth needs to repeat instructions several times before Marissa can understand a task. Her actions are disrupting other staff and Beth is concerned about any accidents with client care due to Marissa's lack of concentration.

You invite Marissa for an informal meeting to find out how she's coping. Before the meeting, you checked Marissa's HR file and discovered that she is from the Philippines and English is her second language. She's a very hard worker and clients have commended her for her caring and sensitive nature.

In the meeting with Marissa, she nervously disclosed to you that she is worried about losing her job due to all the changes in management. She cannot afford to lose her job as she is a single parent responsible for her three children. She is also having a hard time coping with different instructions and expectations from different managers and she doesn't know who she can talk to anymore.

Question 1

Describe how you will a use a feedback mechanism to monitor Marissa's wellbeing and ensure that support measures are working.

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