Pointers: What does a REFERENCE type refer to? (similar to pointer but not the same)

Answers

Answer 1

A reference type in C++ refers to an alias for an existing variable, similar to a pointer but with different syntax.

Unlike a pointer, a reference cannot be null and cannot be reassigned to refer to a different object once initialized.

Additionally, the syntax for working with references is different than for pointers, making it easier to read and write code that uses them.

References are commonly used as function parameters to avoid copying large objects and to modify values of objects passed into a function.

They are also useful for creating alias names for objects, improving code readability and maintainability.

Therefore, a reference type in C++ is a data type that allows for an alias or alternative name to be used for an existing variable in a program.

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Related Questions

What are the Attitude Control System Errors
that impacted the TIMED NASA mission?

Answers

The Attitude Control System (ACS) is a system that governs the spacecraft's position and orientation in space. When it comes to the TIMED mission, the Attitude Control System (ACS) had two major issues, which are elaborated below:1. A pitch rate gyro drift: It was discovered that one of the pitch rate gyros was affected by a constant drift, which was most likely caused by radiation exposure.

This resulted in attitude estimation errors, which meant that the spacecraft was pointed in the wrong direction.2. An ACS magnetic sensor failure: A sudden voltage spike caused a magnetic sensor's permanent failure, which then resulted in large attitude errors. The ACS magnetic sensor is an important component of the ACS since it determines the spacecraft's orientation in space.

The sensor in question was unable to estimate the correct magnetic field vector and, as a result, could not calculate the spacecraft's orientation correctly. Both the pitch rate gyro drift and the magnetic sensor failure led to the spacecraft's inability to maintain its orientation in space.

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(just basic coding I can't wrap my around :L) Which of the following shows the assignment of a string to a variable? Select 3 options.

answer = input("How old are you? ")

answer = "23"

answer = (23)

answer = '23'

answer = 23

Answers

Answer:

The answer is A, B, D.

Explanation:

I hope this helps. Have a great day and be safe.

Help! I was doing my hw and I took a break and let my screen time out after like 10-15 minutes I turned it back on it showed this screen. I’ve broken so many things already and I have class tomorrow and all my stuff is on this computer I can’t I just can’t lose this computer so please help. I’ve tried powering it off, control-alt-and delete, and moving my mouse around but I can’t nothing pops up not even my curser so can all the computer smart people help me please I’m begging you!

Help! I was doing my hw and I took a break and let my screen time out after like 10-15 minutes I turned

Answers

Answer:

It looks like something got damaged or something with the operating system.

Explanation:

You should probably contact where you got the chromebook from and request a new one and have a tech at your school look into it. If its from school.

A solid weighs 20gf in air and 18gf in water .find the specific gravity of the solid​

Answers

Answer:

10

Explanation:

Specific gravity (also called relative density) is the ratio of the density of an object (or substance) to the density of a reference substance (mostly water). It has no unit and is given by the following;

Specific gravity = \(\frac{density-of-object}{density-of-water}\)

Specific gravity is also given by the ratio of the weight of the object in air to the loss of weight of the object in water. i.e

Specific gravity = \(\frac{weight-of-object-in-air}{loss-of-weight-in-water}\)            --------------(* * *)

In this case;

i. The object is the solid which has a weight of 20gf in air.

ii. The loss of weight of the solid in water is the difference between the weight in air (20gf) and the weight in water (18gf).

Therefore the loss of weight is

20gf - 18gf = 2gf

Now substitute these values from (i) and (ii) into equation (* * *) as follows;

Specific gravity = \(\frac{20gf}{2gf}\)

Specific gravity = 10

Therefore the specific gravity of the solid is 10

Thinking carefully about a speaker's reasoning and purpose can help you _____ that speaker's message. In other words, you consider the message and decide whether it is believable.

Answers

Thinking carefully about a speaker's reasoning and purpose can help you comprehend (understand) that speaker's message. In other words, you consider the message and decide whether it is believable.

What do you think is the purpose of the speakers in their speech?

Making sense of the world around us is referred to as reasoning. A communication must be evaluated during critical listening in order to be accepted or rejected.  Critical listening can be practiced while listening to a sales pitch.

Speakers must provide proof to back up their claims in order to be convincing. Listeners who pay close attention are wary of assertions and generalizations. When the speaker is not regarded as an authority on the subject of the speech, strong evidence is especially crucial.

Therefore, When communicating, speakers aim to achieve both broad and detailed goals. There are two main goals for speaking in college and beyond: to inform or to persuade. There is no clear distinction between the two; many talks will combine elements of both.

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the software engineering institute (sei) established a new model, called , which incorporates software and systems development into a much larger framework.

Answers

The software engineering institute (SEI) established a new model called the Capability Maturity Model Integration (CMMI).

This model incorporates software and systems development into a much larger framework that encompasses the entire organization's processes and practices. The CMMI model provides a set of best practices that can be applied across an organization to improve processes and achieve higher levels of maturity. The model consists of five maturity levels, with each level building on the previous one to provide a roadmap for continuous process improvement. The CMMI model provides a common language for organizations to communicate their process improvement goals and to benchmark their progress against industry standards.

By incorporating software and systems development into a larger framework, the CMMI model enables organizations to achieve greater efficiencies, reduce costs, and deliver high-quality products and services to their customers. The CMMI model has become a widely recognized and respected standard for process improvement in many industries, including aerospace, defense, healthcare, and information technology.

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in order to improve your dataset to get the most use from the power bi q&a feature, how should you name the tables in your data?

Answers

To improve your dataset to get the most use from the Power BI Q&A feature, you should name the tables in your data by following these steps:

1. Use clear and descriptive names: Choose table names that accurately represent the data they contain, making it easier for users to identify the right table when using the Q&A feature.

2. Keep names concise: Avoid using overly long or complex names, as they can be difficult for users to remember or type when using the Q&A feature.

3. Use consistent naming conventions: Stick to a specific naming convention, such as using singular or plural forms, capitalization, or underscores, to ensure consistency throughout the dataset.

4. Avoid special characters and spaces: Refrain from using special characters or spaces in table names, as they can cause issues when users search for them in the Q&A feature.

5. Include relevant keywords: Incorporate important keywords that users may search for when using the Q&A feature, making it easier for them to find the appropriate table.

By following these guidelines when naming the tables in your dataset, you can improve its usability and make the most of the Power BI Q&A feature.

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A user is troubleshooting a mobile device app that is displaying errors and has contacted the app manufacturer’s technical support team for assistance. The support technician needs specific information from the device about how the app is responding and what is happening to cause the errors.

Answers

Answer:

D. The method for retrieval is dependent on the specific app or device’s operating system.

i know i know i should be asking a question HOWEVER i have a task for you... PLAY LEGEND OF ZELDA BREATH OF THE WILD AND I"LL GIVE YOU BRAINLIEST!!!!!!

Answers

Answer: who doesnt play that down right amazing game?

Explanation: it is perfection

Answer:

I ALREADY HAVE OVER 1000 HOURS ON THE GAME! I STARTED IN 2019

Explanation:

Best game ever

how should you save a file if you want it to be compatible with older versions of microsoft excel

Answers

Answer: To save a file that is compatible with older versions of Microsoft Excel, choose the "Excel 97-2003 Workbook" option in the "Save As" dialog box.

Explanation: When you save a file as an Excel 97-2003 Workbook, it will be saved in a format that can be opened by older versions of Microsoft Excel. This format does not support some of the newer features of Excel, but it is a good option if you need to share a file with someone who has an older version of the software.

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Write the Python programs for the
following:
To input a number and check if it is
even or odd number​

Answers

Answer:

num = int(input("Enter a number: "))

if (num % 2) == 0:

print("{0} is Even number". format(num))

else:

print("{0} is Odd number". format(num))

How much would it cost to get the screen replaced on a Moto G7?

Answers

If you know enough about tech you can buy a replacement screen online for like $40.00 and do it yourself or might be around like $100 to get it fixed, depends on the place you go too.

Which of the following seeks to understand every user and how they interact with technology to make these interactions better?HCIIHCICCUID

Answers

The answer option which seeks to understand every user and how they interact with technology to make these interactions better is: A. HCI

HCI is an acronym for human computer interaction and it can be defined as a design field that is typically focused on the interfaces between humans (end users) and computers.

Basically, human computer interaction (HCI) combines the following disciplines into a single field:

Ergonomics.Computer science.Human factors.Psychology.

Human computer interaction (HCI) was introduced in the 1980s, a period when personal computing was very popular.

The aim and goal of human computer interaction (HCI) was to make the interactions between computer and humans (end users) at different computer skill level, easier and more efficient.

Hence, human computer interaction (HCI) experts are saddled with the responsibility of observing how end users interact with computers while designing technologies that enhances a more efficient use of the computers by these end users.

In conclusion, human computer interaction is a design field that observes every user, seeks to understand them, as well as how they interact with computer technology to make these interactions more efficient and better.

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Answer:

wrong

Explanation:

If a company wanted to link the computerized functions of all its divisions and subsidiaries of the firm into an integrated software program that uses a single database in order to develop a more integrated system that improves customer service, it would most likely use.

Answers

Since the company wanted to link the computerized functions of all its divisions and subsidiaries of the firm into an integrated software program that uses a single database in order to develop a more integrated system that improves customer service, it would most likely use enterprise resource planning (ERP),

How does ERP operate and what does it do?

Business resource planning definition (ERP) is Enterprise performance management, a piece of software that aids in planning, budgeting, forecasting, and reporting financial outcomes for a business, is also a component of a full ERP suite. ERP systems enable data to flow between various company operations and connect them all together.

Therefore, Software for enterprise resource planning provides single-system solutions that connect processes throughout the company. These programs enable cross-functional cooperation, information sharing, and user interaction inside a single interface. They boost effectiveness, efficiency, and teamwork.

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Which correctly calls the add() function?
def add(a, b, c):
print(a + b + c)
add(2; 4; 6)
add(2 4 6)
add(2, 4, 6)
add(2 + 4 + 6)

Answers

The correct option is add(2, 4, 6) ,it is a correct function call to the add() function.

How to correctly call a function?

The correct function call to the add() function is add(2, 4, 6). In this call, the function is invoked with three arguments: 2, 4, and 6, which are separated by commas.

This syntax follows the standard convention for passing multiple arguments to a function in many programming languages.

The semi-colon (;) is not used to separate arguments in a function call. It is a syntax error to write add(2; 4; 6) as shown in the second option.

Similarly, in the third option add(2 4 6), the absence of commas between the arguments is incorrect and would result in a syntax error.

The fourth option add(2 + 4 + 6) is also incorrect because it attempts to perform addition within the function call itself.

Instead, the individual values should be passed as separate arguments to the function, as shown in the correct function call example.

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Grant has a mechanical engineering degree and he works for a large automobile manufacturer. When one of the robotic installers has issues, grant is there to problem solve and get things up and running. Grant's career falls in the _____ pathway of the manufacturing career cluster.

Answers

Since it states "robotic installers," which implies that he is performing instals, I would choose maintenance, installation, and repair.

You're beginning from scratch: Robots have not yet been developed. You're considering automation but are unsure of which jobs to automate. It can be challenging to determine early on whether a specific activity can or should be automated. When implementing a new robot system in this circumstance, there are tools available to provide you peace of mind. Planning, creating, and installing robotic systems are frequently the responsibilities of a specialist engineering company called Robotic System Integrator (robot SIer). In general, the SIer functions as a conduit between the user and the robot maker and directs users to the system installation. Kawasaki is a reputable robot manufacturer that is capable of acting as a robot system.

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Answer:

Maintenance, Installation, and Repair.

Explanation:

I took the test

Write a program that takes a decimal number from the user and then prints the integer part and the decimal part separately. For example, if the user enters 2.718, the program prints: Integer part = 2 and decimal part = .718 in python

Answers

Answer:

Explanation:

The following was coded in Python as requested. It is a function that takes in a number as a parameter. It then uses the Python built-in math class as well as the modf() method to split the whole number and the decimal, these are saved in two variables called frac and whole. These variables are printed at the end of the program. The program has been tested and the output can be seen below.

import math

def seperateInt(number):

   frac, whole = math.modf(number)

   print("Whole number: " + str(math.floor(whole)))

   print("Decimals number: " + str(frac))

Write a program that takes a decimal number from the user and then prints the integer part and the decimal

Which of the following statements is true about scalability? Choose 3 options.

1. Scalability refers to the ability of hardware components to increase their capacity.

2. The cloud offers services to automatically scale your system and balance the workload between components.

3. An example of vertical scaling is adding a new server to the network.

4. Scalability should be considered very early in the project.

5. Horizontal scaling has fewer limits than vertical scaling.

Answers

Answer:

4, 5, 2

Explanation:

just did it on edge :)

True statements about the scalability are the options 2, 4, and 5 in the given question that says that

the clouds provide resources to scale the system and balance the workload between components on its own, and it should be considered at the beginning of the project. Horizontal scaling has fewer limits than vertical scaling.

Scalability is the ability of a system in which every component of hardware or software can be expanded quickly and easily to handle the increased workload.

Scalability helps in adapting the change to continue to perform well even there is a change in size or volume in order to meet a user or business requirement.

Vertical scaling is limited as it can increase as per the size of the particular server whereas horizontal scaling has the ability to scale wider.

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Which of the following statements is true about scalability? Choose 3 options. 1. Scalability refers

plz answer this....quickkkkk​

plz answer this....quickkkkk

Answers

C - Puts a list of items into order

Answer:

C. because a sorting algorithm is an algorithm that puts elements of a list in a certain order.

model of social relations, individuals go through life embedded in a personal network of individuals to whom they give and from whom they receive social support.

Answers

According to the social convoy theory of social relationships, people live their lives as part of a personal network of people to whom they provide support and from whom they receive it.

What is the meaning of social convoy?

The people that travel with us on the road of life are referred to as the social convoy. At every stage of development, this social grouping is a crucial component of successful adjustment and wellbeing.

As one matures and develops, they rely on these interactions and connections because all are social beings. Social convoy is a network of friends that travel through life with us and support us through both good and difficult times.

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The complete question has been attached in text form:

In the social ______ model of social relations, individuals go through life embedded in a personal network of individuals to whom they give and from whom they receive social support.

PLEASEEEE THIS IS NEXT PERIOD ,,,,Software providers release software updates on a regular basis. However, most people feel that they are unnecessary. Discuss why it is necessary to apply software updates regularly and how these updates affect the performance of the software programs.

Answers

if you do not update a software the system will not work properly

Answer: all it wants is to you to do is write about why software updates are important. example, because the software has a glitch they need to patch. In the update they patched it.

Explanation: May i plz have brainliest?

Given two integers dividend and divisor, divide two integers without using multiplication, division, and mod operator.The integer division should truncate toward zero, which means losing its fractional part. For example, 8.345 would be truncated to 8, and -2.7335 would be truncated to -2.Return the quotient after dividing dividend by divisor.Note: Assume we are dealing with an environment that could only store integers within the 32-bit signed integer range: [−231, 231 − 1]. For this problem, if the quotient is strictly greater than 231 - 1, then return 231 - 1, and if the quotient is strictly less than -231, then return -231. Example 1:Input: dividend = 10, divisor = 3Output: 3Explanation: 10/3 = 3.33333.. which is truncated to 3.Example 2:Input: dividend = 7, divisor = -3Output: -2Explanation: 7/-3 = -2.33333.. which is truncated to -2.

Answers

Use a loop to subtract the divisor from the dividend repeatedly until the dividend becomes less than the divisor.

Explain two integers dividend and divisor, divide two integers without using multiplication?

To divide two integers, dividend and divisor, without using multiplication, division, and mod operator, and truncate the result toward zero, you can follow these steps:

Determine the signs of the quotient by checking if dividend and divisor have the same or different signs.
Convert both dividend and divisor to their absolute values to work with positive numbers.
Initialize a variable, quotient, to store the result.
Use a loop to subtract the divisor from the dividend repeatedly until the dividend becomes less than the divisor.
Each time you subtract the divisor from the dividend, increment the quotient by 1.
Apply the sign determined in step 1 to the quotient.
Check if the quotient is within the 32-bit signed integer range ([-2^31, 2^31 - 1]). If not, return the appropriate boundary value.

For example, if dividend = 7 and divisor = -3:
The signs are different, so the quotient will be negative.
Convert dividend and divisor to their absolute values: 7 and 3.
Initialize quotient = 0.
Subtract divisor from dividend: 7 - 3 = 4 (quotient = 1). Then, 4 - 3 = 1 (quotient = 2). Now, 1 < 3, so we stop subtracting.
The quotient is 2.
Apply the negative sign to the quotient: -2.
The quotient -2 is within the 32-bit signed integer range, so the final output is -2.

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If a flowchart has a diamond with the words “yes” and “no” to the sides of it, then it is representing a program that is a sequence. true false

Answers

Answer:

yes bc i just took it and it's right

Explanation:

ik it

Answer:

True

Explanation:

It is true.

Hope this helped?

1. A perfect number is a positive integer that is equal to the sum of its proper divisors. A proper divisor is a positive integer other than the number itself that divides the number evenly (i.e., no remainder). For example, 6 is a perfect number because the sum of its proper divisors 1, 2, and 3 is equal to 6. Eight is not a perfect number because 1 + 2 + 4 = 8. Write a program that accepts a positive integer and determines whether the number is perfect.

Answers

Here's a Python code that accepts a positive integer and determines whether the number is perfect:

def is_perfect(num):

   factor_sum = 0

   for i in range(1, num):

       if num % i == 0:

           factor_sum += i

   return factor_sum == num

num = int(input("Enter a positive integer: "))

if is_perfect(num):

   print(num, "is a perfect number.")

else:

   print(num, "is not a perfect number.")

In this code, we define a function is_perfect() to determine whether a number is perfect or not. It takes an integer num as input and calculates the sum of its proper divisors using a loop. If the sum is equal to the number itself, it returns True, indicating that the number is perfect. Otherwise, it returns False.

We then take input from the user, call the is_perfect() function, and print the appropriate message depending on whether the number is perfect or not.

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Which formula calculates the total value of a single row of cells across a range of columns in excel

Answers

The formula which calculates the total value of a single row of cells across a range of columns in Microsoft Excel is: =SUM(C15:Y15).

Microsoft Excel can be defined as a software program (application) that is typically designed and developed by Microsoft Inc., to avail its end users the ability to analyze and visualize spreadsheet documents.

A spreadsheet can be defined as a file or document which comprises cells in a tabulated format (rows and columns), that are typically used for formatting, arranging, analyzing, storing, calculating and sorting data on computer systems through the use of Microsoft Excel.

In Microsoft Excel, the SUMIF function is a function which is used to calculate the total value of cells that meet a specific criteria such as:

Text.Dates.Numbers.

Hence, "=SUM(C15:Y15)" is a formula which can be used to calculate the total value of a single row of cells across a range of columns in Microsoft Excel.

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Which is NOT the quality of an entrepreneur?

a) self-discipline
b) non-risk taking
c) persistence
d) creative thinking

Answers

Answer:

Option b). is the right choice.

Explanation:

An enterpreneur must have a risk-taking quality.

Best Regards!

Answer:

b)

Explanation:

An entrepreneur is always ready to take risks

:) :)

What is a good, free to use, and non coding program or app that you can use to develop a video game on a Chromebook?
I want to make my own, but it's hard to find anything that is good, and free with no coding.

Answers

A good, free-to-use, and noncoding program or app that you can use to develop a video game on a Chromebook is Construct 3. Sparckman.

What is a non-coding program?

A style of web development called "no-code" enables both programmers and non-programmers to build software without writing any code by using a graphical user interface.

The underlying tenet of the no-code movement is that technology should encourage invention, not serve as a barrier to it.

Therefore, Construct 3 by Sparkman is a decent, no-cost, non-coding application or app you may use to create a video game on a Chromebook.

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Which tag do you use to create a Heading in HTML?
*
A) body
B) p
C) h
D) li

Answers

Answer:

C) h

Explanation:

In HTML, headings are created using the "h" tags. The h tags range from h1 to h6, with h1 being the highest level heading and h6 being the lowest level heading.

For example, to create a heading level 1 you would use the <h1> tag like this:

<h1>This is a Heading Level 1</h1>

The other tags A) body, B) p and D) li are used for different purposes in HTML. The <body> tag defines the document's body, <p> for a paragraph and <li> for a list item.

to deploy a series of test environments in the cloud, you want a script that will design and configure several servers, some network infrastructure, and firewall rules. what process will produce the script you need?

Answers

The process that will produce the script needed to design and configure test environments in the cloud is Infrastructure as Code (IaC).

The process that will produce the script required to design and configure several servers, network infrastructure, and firewall rules in order to deploy a series of test environments in the cloud is known as Infrastructure as Code (IaC).

IaC is an approach that enables the provisioning and management of infrastructure resources using code, typically in the form of scripts or configuration files. With IaC, the infrastructure setup becomes repeatable, version-controlled, and automated, allowing for consistent and reliable deployment of environments.

To generate the script, you would typically follow these:

1. Define the infrastructure requirements: Identify the servers, network components, and firewall rules needed for your test environments.

2. Choose an IaC tool: Select an appropriate tool such as Terraform, Ansible, or CloudFormation that supports the cloud platform you are using. These tools provide the necessary features to define and deploy infrastructure resources.

3. Write the infrastructure code: Using the chosen IaC tool, write code in the form of scripts or configuration files that describe the desired infrastructure state. This includes specifying server configurations, network settings, and firewall rules.

4. Provision the infrastructure: Run the IaC script, which will automate the deployment of the specified resources. The script will create the servers, configure the network infrastructure, and set up the firewall rules according to the defined specifications.

By leveraging IaC, you can ensure consistent and reproducible deployments of test environments, reducing manual effort and the risk of configuration errors. Additionally, IaC allows for version control, collaboration, and easy scaling of environments, making it an efficient and reliable approach for deploying complex infrastructure setups in the cloud.

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OSPF was conceived as the successor to RIP and as such has a number of advanced features. Discuss 3 (three) such advances of OSPF ( 6 marks) 3.4 Are interior routing protocols suitable for exterior routing? Motivate answer. ( 3 marks) Examine the sample router configuration session below (line numbers added for reference), and answer the following questions: Router >enable Router\#configure terminal Router (config)\#line vty 09 Router (config-line)\#no login Router (config-line)\#exit Router (config)\#enable secret passwd 999 NOP Router (config)\#hostname exam WNEH (a) What is the purpose of the commandsin lines 1,2, and 5-whyare they necessary? (b) What is the purposeof line 3 ? (c) What is the purposeof line 4 ? ( d) Which privileged access level password (line 6) has been configured here? Copy the letter of the correct answer to your exam pad. (a) 999 (b) passwd 999 (c) secret 999 (d) secret passwd 999 (e) passwd Router Windhoek has the following routing table: C10.0.0.0/8 is directly connected, Serial 1R 5.0.0.0/8 [120/1] via 172.16.0.1, Serial 2 R 192.168.0.0/24 [120/2] via 172.20.0.1, Serial 3 (a) Assuming that Windhoek is applying the Split Horizon principle, what is the content of Windhoek's next routing update... 1....sent out of interface Serial 2?2....sent out of interface Serial 3 ? (b) Assuming that Windhoek is applying the Poison Reverse principle, what is the content of Windhoek's next routing update... 1....sent out of interface Serial 2? 2...sent out of interface Serial 3 ?

Answers

Three advances of OSPF include: Fast Convergence: OSPF uses a link-state database and Dijkstra's algorithm to calculate the shortest path,  OSPF can handle large networks due to its hierarchical design.Support for Classless Inter-Domain Routing (CIDR): OSPF supports CIDR, which allows for more efficient utilization of IP addresses by enabling variable-length subnet masks.

OSPF's fast convergence is achieved by utilizing a link-state database, which contains information about the network's topology. Each router floods updates about its directly connected links to other routers in the network, allowing them to build and maintain an accurate picture of the network.

The hierarchical design of OSPF enhances scalability. By dividing the network into areas, OSPF limits the exchange of routing information to routers within the same area, reducing the overall complexity and traffic overhead. This design enables OSPF to handle larger networks with improved efficiency.

The support for CIDR in OSPF allows for more efficient utilization of IP address space. With CIDR, variable-length subnet masks can be used, enabling more flexible allocation of IP addresses. This helps conserve address space and provides greater flexibility in network design. CIDR support is particularly crucial in today's internet, where the depletion of IPv4 addresses necessitates efficient address allocation and management.

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The portion of an axon that communicates with its target cell is the Select the correct answer. What does the policy of dtente mean? A. A cease-fire B. A normalization of relationships C. A relaxation of tensions D. An incursion. A scuba diver descends 10 ft in an hour. If he is at -40 feet, how many hours has he been descending? we could not locate the shipment details for this tracking number. details are only available for shipments made within the last 120 days. please check your information. Which effect demonstrates a positive influence of rock music on US culture?-scientific jobs-political causes-lifestyle-racial equality (Circle all correct statements; 5% of this exam grade)a. All 3 species A, B, and C are present on the surface as adsorbed species b. Only A is present on the surface as adsorbed speciesc. A and C are present on the surface as adsorbed speciesd. Only B is present on the surface as adsorbed speciese. None of A, B, and C are present on the surface as adsorbed speciesf. Only C is present on the surface as adsorbed species Name the polygon that has one angle measuring 90 and the others measuring 45 each. Consider a sandwich retailer in a supermarket. Averagely, customers come at a rate of 1 customer every 3 minutes. The current throughput efficiency is 25% and a average number of 6 people stand in the queue waiting to be served. Lets suppose that at the beginning of the serving process, there are already 6 people in the queue. 1. Please calculate the average time to serve a single customer in the current situation? (Hint: Use Littles law to calculate the throughput time, and then calculate the work content) 2. How many staff are needed currently to ensure that there are never more than 6 people in the queue? 3. Suppose the manager wants to increase the throughput efficiency to 40% by increasing the average time to serve a single customer, how many more staff does he need to hire? Consider a sample with data values of 10, 20, 12, 17, and 16. Compute the z-score for each of the five observations. z-score for 10 -01.25 Incorrect: Your answer is incorrect. z-score for 20 1.25 Correct: Your answer is correct. z-score for 12 -.75 Correct: Your answer is correct. z-score for 17 .5 Correct: Your answer is correct. z-score for 16 .25 Correct: Your answer is correct. why is moss usually found in a moist environment a) Substance A is put into a glass jar. It expands to fill all the available space.Substance A is: In your opinion, what components of a free market are the most important? Why? How will you influence others to do good deeds or actions? how does usgs distribute its current generation of topographic maps? A salad dressing recipe calls for cup of oliva oil for every cup of vinegar. How many cups of vinegar are needed for 2 cups of olive oil? calculate the equilibrium concentrations of nh3 and h2s if a sample of solid nh4hs is placed in a closed vessel and decomposes until equilibrium is reached *HURRY PLEASE WILL MARK BRAINLIEST*Many countries embrace multiple languages because they...have people of many different nationalities within their borders.have determined that doing so is essential to participating in a global economy.are forced to do so by the international community.want their people to spread their culture around the world.struggle to agree on one unifying language to adopt. Which expression is equivalent to (a^8)^4 the standard enthalpy of decomposition of the yellow complex nh3so2 into nh3 and so2 is 40 kj/mol. calculate the standard enthalpy of formation of nh3so2. What is the value of n in the equation 1/2 (n - 4) - 3 = 3 - (2n + 3)?A. n = 0B. n = 2C. n = 4D. n = 6HELP PLEASE!!!!