int a = 5, b = 12, l0 = 0, il = 1, i2 = 2, i3 = 3;
char c = 'u', d = ',';
String s1 = "Hello, world!", s2 = "I love Computer Science.";
1- s1.length();
2- s2.length();
3- s1.substring(7);
4- s2.substring(10);
5- s1.substring(0,4);
6- s2.substring(2,6);
7- s1.charAt(a);
8- s2.charAt(b);
9- s1.indexOf("r");
10- s2.IndexOf("r");

Answers

Answer 1

The given code snippet involves string manipulation operations such as obtaining string lengths, extracting substrings, accessing specific characters, and finding the index of a character in the strings s1 and s2.

What string manipulation operations are performed on the variables in the given code snippet?

In this code snippet, several variables are declared and assigned values of different types, including integers, characters, and strings.

The length of strings s1 and s2 can be determined using the `.length()` method.

Substrings can be extracted from s1 and s2 using the `.substring()` method, specifying the starting and ending indices.

The character at a specific index can be obtained using the `.charAt()` method, with the index specified.

The index of the first occurrence of a character can be found using the `.indexOf()` method, providing the character as an argument.

By utilizing these string methods and accessing specific indices or characters, various operations and manipulations can be performed on the given strings.

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Related Questions

Subject me not to trials,shame not my human form. "Explain".​

Answers

A girl living in a society where everyone has plastic surgery makes her feel increasingly out of place in the Korean body horror short Human Form.

What is Human form?

This animated short is a commentary on plastic surgery and humanity's obsession with what is considered to be "beauty," where we frequently idolize appearances.

It are impossible to achieve naturally and judge natural appearances as not looking "good enough" (which makes everyone a potential "fixer-upper" and gives the beauty industry more and more profits).

And given that several Asian nations have absurd beauty standards, this South Korean short is the ideal commentary on everything.

Therefore, A girl living in a society where everyone has plastic surgery makes her feel increasingly out of place in the Korean body horror short Human Form.

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Answer:

The poet seems to be humiliated and condemns himself for being human just physically. He is sure if Allah subjects him to examination, he would not be successful in it because he cannot tolerate or withstand them like a perfect human being.

Explanation:

Hope it will help ...

What category of computer would you place an N.series Nokia phone​

Answers

Answer:

In the last category

Explanation:

Your welcome

The category of computer in which you would place an N-series Nokia phone​ is a portable computer.

What is a computer?

A computer is a digital electrical machine that may be configured to automatically perform arithmetic or logical functions. Programs are general collections of operations that modern computers can do. These programs allow computers to do a variety of jobs.

There are different categories of computers. A mobile phone falls in the category of a portable computer.

Therefore, the category of computer in which you would place an N-series Nokia phone​ is a portable computer.

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A style sheet consists of CSS ______________________ that specify the layout and format properties to apply to an element. *

Answers

so the word your looking for is Properties so it would be

A style sheet consists of CSS Properties that specify the layout and format properties to apply to an element. *

scav

Using MATLAB write a function named frequency() that finds how many times a user chosen character exists in a given array of characters. Then use a main program that enters a character from the user and reports back the frequency of it (how many of it) in the array. Show your result for character 'e' in the following array x. x = "I understand that I am required to provide the text of my codes, not their pictures, neither their pdf versions. I also understand that for the results, I will do my best to provide a text version of the results, and if I cannot, then I will provide a picture of it, so help me god"

Answers

In this case, the character 'e' appears 19 times in the array. An example of how you can write the frequency() function in MATLAB to find the frequency of a user-chosen character in a given array of characters:

matlab

Copy code

function freq = frequency(arr, ch)

   freq = sum(arr == ch);

end

In this function, arr is the array of characters, and ch is the character for which you want to find the frequency. The function uses the sum() function along with a logical comparison arr == ch to count the occurrences of the character ch in the array arr.

Now, let's write a main program that prompts the user to enter a character and reports back the frequency of that character in the array:

matlab

Copy code

% Main program

x = "I understand that I am required to provide the text of my codes, not their pictures, neither their pdf versions. I also understand that for the results, I will do my best to provide a text version of the results, and if I cannot, then I will provide a picture of it, so help me god";

% Prompt user for a character

userChar = input('Enter a character: ', 's');

% Call the frequency function

freq = frequency(x, userChar);

% Display the frequency

disp(['Frequency of "', userChar, '" in the array: ', num2str(freq)]);

In this main program, we first define the given array x. Then, we prompt the user to enter a character using the input() function with the 's' option to read it as a string. Next, we call the frequency() function to find the frequency of the user's character in the array x. Finally, we display the frequency using the disp() function.

When you run the main program and enter the character 'e', it will output the frequency of 'e' in the given array:

sql

Copy code

Enter a character: e

Frequency of "e" in the array: 19

In this case, the character 'e' appears 19 times in the array.

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as a result of this funding, the firm has contracted kevin to boost up its network strength so that it can traverse to more than one lan segment. which layer and protocol will they need to utilize to send traffic across multiple lan segments?

Answers

To send traffic across multiple LAN segments, the firm will need to utilize the network layer (Layer 3) of the OSI model and the Internet Protocol (IP) protocol.

Specifically, the firm will need to implement a router to connect the LAN segments, which operates at the network layer and uses the IP protocol to route packets between the different LANs. Routers provide a gateway between LANs, and they operate at the network layer by analyzing and directing packets based on their IP addresses. By routing traffic between LAN segments, the firm will be able to increase the reach and capacity of its network. Additionally, by utilizing IP, the firm can take advantage of the widely-used protocol and compatibility with other devices and networks.

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Which of the following are small speakers that rest inside each ear canal? A) earphones B) headphones C) headsets D) earbuds

Answers

Earbuds are small speakers that rest inside each ear canal. Therefore, option (D) is correct.

They are designed to be compact and lightweight, making them portable and convenient for personal audio listening. Earbuds typically have a separate speaker unit for each ear, and they are inserted directly into the ear canal, providing a close and direct sound experience.

They are commonly used with portable music players, smartphones, and other devices for private listening. Earphones, headphones, and headsets are broader terms that can encompass various types of audio devices, but specifically, earbuds refer to the small speakers that fit inside the ear canal.

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python's built-in function library eliminates the need for programmers to write new functions for actions like asking for user input or moving objects on the screen. true false

Answers

Answer:

True.

Explanation:

Python has a wide range of built-in functions that can be used for various tasks such as taking user input, manipulating strings and lists, performing mathematical operations, etc. This eliminates the need for programmers to write new functions for these common actions.

Which statement describes lossless compression?
OA. It is a method that converts temporary files into permanent files
for greater storage capacity.
B. It is a technique that accesses memory addresses to retrieve data.
C. It is a method that results in the loss of all the original data in a
file.
D. It is a technique that allows all of a file's data to be restored from
compressed data.
its d

Answers

D. It is a technique that allows all of a file's data to be restored from

compressed data. Lossless compression shrinks the image without sacrificing any crucial information.

More about lossless compression

A type of data compression known as lossless compression enables flawless reconstruction of the original data from the compressed data with no information loss. Since most real-world data exhibits statistical redundancy, lossless compression is feasible.

By utilizing a sort of internal shorthand to denote redundant material, lossless compression "packs" data into a smaller file size. Depending on the type of information being compressed, lossless compression can reduce an initial file that is 1.5 MB to roughly half that size.

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Which command in the Linux terminal enables you to find out information about a wireless network adapter

Answers

The command in the Linux terminal that enables you to find out information about a wireless network adapter is the "iwconfig" command. To learn more about this command, read the long answer below The Linux operating system offers a lot of features for users to explore, one of which is the ability to access wireless networks through wireless adapters connected to the system.

The Linux terminal is the go-to option for managing these network adapters, and the "iwconfig" command is one of the commands that enable you to access and retrieve information about the wireless network adapter connected to your Linux system. Iwconfig is a Linux terminal command that is used to configure wireless network interfaces. This command is used to display wireless network adapter settings, including SSID, frequency, channel, and encryption key, among others.

The iwconfig command can also be used to change or modify wireless network adapter settings, such as SSID and encryption key, among others. This command is particularly useful for troubleshooting wireless network adapter connection issues or simply retrieving information about your wireless network adapter.In summary, the "iwconfig" command in the Linux terminal enables you to find out information about a wireless network adapter. This command displays wireless network adapter settings, including SSID, frequency, channel, and encryption key, among others.

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What are three risks of developing a strategic role for information systems ?

Answers

Answer:

The strategic role of information systems is to enhance the image of information Services in an organization. ... Strategic information systems are developed in response to corporate business initiative and they are intended to give competitive advantage to the organization.

The risks of developing a strategic role for information systems are:

Hardware and software failure.Malware.Viruses.

What are the threats to IT systems and data?

Note that hardware and software failure can lead to power loss or  it is one that can corrupt data corruption.

Note also that malware and viruses can disrupt computer operations and as such, they are the risks of developing a strategic role for information systems.

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write a python program to initialize the value of two variables then find sum

Answers

Answer:

JavaScript:

Let x = 10

Let y = 10

Console.log(x + y)

//outputs 20

C++:

Let x = 10

Let y = 10

The file is Math.cpp so,

std::cout << "" + y + "" + x

g++ Math.cpp -o Maths

./Maths

//Outputs 20

Answer:

#Ask the user for a number

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

#Ask the user for a number

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

#Calculate the sum of a and b

sum = a + b

#print the ouput

print(str(a) + " + " + str(b) + " = " + str(sum))

What is the primary function of NCEES? A. administering engineering examinations B. creating and amending ethical standards for engineers C. accrediting educational programs in the United States D. certifying engineering technologists and engineering technicians
RIGHT ANSWER ONLY

Answers

Answer:

NCEES is a national nonprofit organization dedicated to advancing professional licensure for engineers and surveyors. Learn more.

Explanation:

Answer:

A.  

administering engineering examinations

Explanation:

FILL IN THE BLANK. This type of software allows students to record, sort, mathematically analyze and represent numerical data in tabular and/or graphical forms. ___

Answers

Spreadsheets  software is a type of software allows students to record, sort, mathematically analyze and represent numerical data in tabular and/or graphical forms.

Why do people use spreadsheets?

One tool for storing, modifying, and analyzing data is a spreadsheet. A spreadsheet's data is arranged in a series of rows and columns, where it can be searched, sorted, calculated, and used in a number of charts and graphs.

Therefore, A program known as a spreadsheet, also referred to as a tabular form, is used to arrange data into rows and columns. This information can then be arranged, sorted, calculated (using formulas and functions), analyzed, or graphically represented to illustrate.

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Which of the following best describes the base case in the following recursive method?
public int factorial(int n)
{
int product = 1;
if (n > 1)
product = n * factorial(n-1);
return product;
}
n = 0
n > 0
n > 1
n ≤ 1
This method does not have a base case

Answers

The base case in the given method is n ≤ 1, as it determines when the recursion should stop and the method should start returning values.

How to identify the base case in a recursive method?

The base case in a recursive method is the condition that determines when the recursion should stop and the method should start returning values. In the given method, the base case is n ≤ 1.

When the factorial method is called with a value of n, it checks if n is greater than 1. If it is, it recursively calls the factorial method with the argument n-1, multiplying the current value of n with the result. This process continues until the base case is reached, where n is either 0 or 1.

Once the base case is reached and n becomes 0 or 1, the recursion stops, and the method starts returning values. In this case, the product variable is assigned a value of 1, indicating that the factorial of 0 or 1 is 1.

Therefore, the base case of n ≤ 1 ensures that the recursion terminates and provides the stopping condition for the factorial method.

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Write a program that HARDCODE a word, and then writes out that word once per line but for each line replace the first character of the word with a space and remove the last character of the word. Continue until no characters are left. (You will have to be careful with words having an odd number of characters.)

NOTE: As always, you can use input instead of hardcode.

Enter a word -->ABARACADABARA
ABARACADABARA
BARACADABAR
ARACADABA
RACADAB
ACADA
CAD
A

Answers

The program that illustrates the information will be:

public class Main

{

public static void main(String[] args) {

String s="ABARACADABARA";

int l=s.length()-1;//get the length of test string

System.out.println(s);

StringBuilder str=new StringBuilder(s);//Use string builder to replace characters

for(int i=0;i<s.length()/2;i++){

str.setCharAt(i,' ');//set character to space

}

What is a computer program?

A computer program is a set of instructions written in a programming language that a computer can execute.

Software contains computer programs as well as documentation and other intangible components. Source code refers to a computer program in its human-readable form.

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your company is moving toward final agreement on a contract in pakista to sell farm equipment. As the contract is prepared official ask that a large amount of money to be included to enable the government to update the agriculture research. The extra amount of money is to be in cash to the three officials you have worked with. Shluld you pay?
Is illegal or legal? How should you act in this situation? ​

Answers

Answer: No. I won't pay.

Explanation:

From the question, we are informed that toward the final agreement on a contract to sell farm equipment, as the contract is prepared official ask that a large amount of money to be included to enable the government to update the agriculture research and that the extra amount of money is to be in cash to the three officials you have worked with.

Based on the above scenario, I won't pay. From the analysis in the question, the three officials want to engage in fraud. The contract is towards its closing stage and any large amount of fund should not be regarded at that stage.

Another reason it looks sceptical is the fact that the officials want the money to be in cash. Giving them in cash can be termed bribery and this is punishable under law as it's illegal. The law may eventually catch up with my company and I'll have to go to jail if this is done.

In this situation, what I'll do is that I'll tell them I can't pay any amount to them in cash and if there's even any reason for any payment at that final stage, I need to speak to the appropriate authorities and not the three officials as they lack ethics.

I will not pay such money because the money is termed either as fraud or bribe and it is illegal in the transaction.

Basically, a contract is binded and enforced by payment of compensation to the seller in return for a goods or services.

When a fraud or bribe is involved in a transaction, either of the party have the right to void the contract.

In conclusion, I will not pay such money because the money is termed either as fraud or bribe and it is illegal in the transaction.

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the task is to ask the user for three numbers and find the average. which pseudocode gives you the comment outline for the task? ask the user for three numbers add the numbers divide by 3 print the average ask the user for three numbers, , add the numbers, , divide by 3, , print the average

Answers

The task is to ask the user for three numbers and find the average.

The pseudocode that gives you the comment outline for the task is ask the user for three numbers, , add the numbers, , divide by 3, , print the average

What is a Pseudocode?

This refers to the plain language that makes a description of the steps in an algorithm

Hence, we can see that The task is to ask the user for three numbers and find the average.

The pseudocode that gives you the comment outline for the task is ask the user for three numbers, , add the numbers, , divide by 3, , print the average

This helps to add the numbers and then find the average and then print the result as given above.

A simple algorithm for this would be:

Step 1: Enter three numbers

Step 2: Add the numbers

Step 3: Divide by 3

Step 4: Find the average

Step 5: End

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which is most harmful computer virus define​

Answers

Answer:

Spyware is the most harmful virus.

It enters into someones computer as a spy and steals the ones personal information, data and other codes.

Explanation:

How many questions are on TestOut Security Pro certification?

Answers

There are fifteen questions in the TestOut Security Pro certification test, around a dozen of them are lab simulations.

When passing the exam involves completing a setup assignment or drag-and-drop exercise that simulates a real-world security situation

Since it is an assignment for the course, I won't go into any significant depth about what is involved. But I will say this: You should revisit any Testout tutorial you can recall that covered using the Group Policy editor. In addition, I would suggest reading up on switch security in the "Network" lessons because the configuration jobs I encountered included a number of difficult-to-navigate elements.

Finish all the labs that are necessary for the course. You are simply "needed" to do anything each week in order to receive a score.

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Which of these expressions is used to check whether num is equal to value?
num ? value
num = value
num – value
num == value

Answers

Answer:

num-value

Explanation:

is should equal to zero if it is correct.

Answer:

It is num - value

Explanation:

I got it right on the test

(2) siontis gc, j€uni p, pilgrim t, stortecky s, b€ullesfeld l, meier b, wenaweser p, windecker s. predictors of permanent pacemaker implantation in patients with severe aortic stenosis undergoing tavr: a meta-analysis. j am coll cardiol 2014;64:129–140.

Answers

The article you mentioned is a meta-analysis titled "Predictors of Permanent Pacemaker Implantation in Patients with Severe Aortic Stenosis Undergoing TAVR," published in the Journal of the American College of Cardiology in 2014. The authors of the study are Siontis GC, Juni P, Pilgrim T, Stortecky S, Beullesfeld L, Meier B, Wenaweser P, and Windecker S.

The purpose of the meta-analysis was to identify predictors of permanent pacemaker implantation in patients with severe aortic stenosis who underwent transcatheter aortic valve replacement (TAVR). TAVR is a minimally invasive procedure used to replace the aortic valve in patients who are not suitable candidates for traditional open-heart surgery.

The meta-analysis likely included a comprehensive review of previous studies on the topic and synthesized their findings to draw overall conclusions. By pooling data from multiple studies, the authors aimed to provide a more robust analysis of predictors for permanent pacemaker implantation following TAVR.

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Which patient is undergoing aquatic therapy with therapeutic exercises? What is the length of the session? Who is the therapist in charge?

a. Tierra Falls, 15 minutes, Bridgette McClain

b. Tierra Falls, 30 minutes, Jonathan Risk

c. Tierra Falls, 30 minutes, Bridgette McClain

d. Robbie Koehler, 30 minutes, Steven Wilder

Answers

The answer is c. Tierra Falls, 30 minutes, Bridgette McClain.

What is aquatic therapy?

Aquatic therapy is a type of physical therapy that involves exercises performed in a pool under the supervision of a licensed therapist. It is a low-impact form of therapy that can help patients recover from a variety of injuries or conditions, including chronic pain, arthritis, and post-surgical rehabilitation.

The patient undergoing aquatic therapy with therapeutic exercises is Tierra Falls, as indicated in options a, b, and c.

The length of the session is 30 minutes, as stated in options b and c. The therapist in charge is Bridgette McClain, as mentioned in option c.

The therapist in charge of Tierra Falls' aquatic therapy session is Bridgette McClain, who is likely a licensed physical therapist or aquatic therapist trained to provide specialized care for patients undergoing aquatic therapy.

McClain will be responsible for designing and supervising Falls' therapy plan, adjusting it as needed to ensure that it is safe and effective for her specific needs.

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Consider the schema R = (A, C, D, E, H) and the following set of functional dependencies [10 F={A → C, AC → D, E = AD, EH} 1. Which of the functional dependencies of Fare nontrivial or completely nontrivial? 2. Apply Armstrong axioms to check whether A → CH can logically be implied or not? 3. Use attribute closure to check whether E → DH holds or not? 4. Check whether A is a candidate key? If not then check whether AE is a candidate key?

Answers

If A is not a candidate key, we can check whether AE is a candidate key by computing its closure. But since A is a candidate key in this case, we don't need to perform that check.

The functional dependencies in F can be categorized as follows:

A → C: Nontrivial (since the determinant A is not a subset of the dependent C).

AC → D: Nontrivial (since the determinant AC is not a subset of the dependent D).

E = AD: Completely nontrivial (since the dependent E is not a subset of the determinant AD).

EH: Completely nontrivial (since both E and H are not subsets of each other).

To check whether A → CH can be logically implied using Armstrong axioms, we can apply the augmentation rule and the transitivity rule:

Augmentation rule: A → AC (using reflexivity)

Transitivity rule: AC → D (from AC → D in F)

Transitivity rule: A → D (using A → AC and AC → D)

Augmentation rule: A → AD (using reflexivity)

Transitivity rule: A → E (from A → AD in F)

Augmentation rule: A → EH (using reflexivity)

Therefore, A → CH can be logically implied.

To check whether E → DH holds using attribute closure, we start with E and compute its closure:

E+ = E (by reflexivity)

E+ = EAD (using E → AD in F)

E+ = EADH (using EH in F)

Since EADH contains DH, the closure of E includes DH. Therefore, E → DH holds.

To check whether A is a candidate key, we need to compute the closure of A:

A+ = A (by reflexivity)

A+ = AC (using A → C in F)

A+ = ACD (using AC → D in F)

A+ = ACDE (using E = AD in F)

A+ = ACDEH (using EH in F)

Since A+ contains all the attributes of R (A, C, D, E, H), A is a candidate key.

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ANWSER ASAP


Which description can be used for each item?


Drag each description that matches cell wall or cell membrane into the correct box.



cell wall
cell membrane




key word(s)

is not grid

more selectively controls what goes in and out of the cell

gives a plant cell it shape

rigid

acts like a skin

Answers

Answer:

Cell wall more selectively controls what goes in and out of the cell, it gives a plant cell its shape, is rigid.

Answer:

cell walls

rigid

gives a plant its shape

cell membrane

acts like a skin

isn't rigid

more selectively controls what goes in and out of the cell

Explanation:

cell walls are a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, etc

cell membrane is a barrier keeping the constituents of the cell in and unwanted substances out

hope this helps :D

Vani is trying to connect a microphone to her laptop. What are the two way she can connect the microphone?
1. through Bluetooth
2. through HDMI
3. through USB-C
4. through DisplayPort
5. through modem card

Answers

Correct answer is "Through Bluetooth" and "Through USB-C"

explanation: Plato correct answer

Vani can connect a microphone to her laptop using the following two ways Through USB-C and Through Bluetooth. The correct option is option (1) and (3).

Through USB-C: Many laptops nowadays come with USB-C ports that support audio input/output. Vani can connect a microphone directly to the USB-C port using a compatible USB-C to 3.5mm audio adapter or a USB-C microphone.

Through Bluetooth: If Vani's laptop supports Bluetooth connectivity and the microphone she wants to use is Bluetooth-enabled, she can pair the microphone with her laptop wirelessly. This allows her to connect and use the microphone without any physical cables.

Therefore, Vani can connect a microphone to her laptop using the following two ways Through USB-C and Through Bluetooth. The correct option is option (1) and (3).

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What is the unit of measure for energy

Answers

The answer is Joule i don’t know this word but i just looked up your answer and the word Joule came up.

Answer:

unit measure of energy is joule

Explanation:

In HTML, an opening tag and its closing tag must appear on the same line. True Or False​

Answers

Answer:

the answer is true, you cannot break the element apart EVERR!!!!!

Mr. Simmons has assigned a research project. Every student in the class will create a single page report about the recycling habits of an assigned state. The individual reports will then be combined to form a single 50 page reference manual. What can Mr. Simmons require each student use so that all page layouts follows a consistent style

Answers

Answer: template

Explanation:

In order for each student to have a page layout that follows a consistent style, then the students should have a template.

A template refers to a predesigned document that can be used can to create documents without having to think about formatting. When a template is used, the margin size, spacing, font style, etc are predetermined.

Which command would you use if you wanted to move row 6 in between rows 3 and 4 without overwriting any data.
Insert
Paste
Merge
Insert copied cells
Read Question

Answers

Answer:

insert

Explanation:

hi guys question true or false
it is okay to download or print a single copy of copyright material for your own use?

Answers

Answer:

FALSE.

Explanation:

You may not use copyright material, even if you print or download it.

The only exception is if you have permission.

Other Questions
Show how the country's tax revenues will change after mountainia's leaders adjust tax rates to create a cyclically adjusted budget deficit of $3 billion. six weeks after birth an infant is found to have developmental dysplasia of the hip. the nurse explains to the parents the benefits of early treatment. which is the rationale for the immediate institution of corrective measures? During a reaction in an aqueous solution, the concentration of bactantsdecreases and the amount of products increases. How do these changes inconcentration affect the reaction rate?A. The reaction rate decreases.B. The reaction rate varies unpredictably.C. The reaction rate increases.D. The reaction rate stays the same. what effect is achieved by including the text of the proposed era from 1923 along with the excerpt of the senate hearings from 1983? what is 3 5/15+2 2/5PLS HELP!! Coal is a very important resource in South Asia. Which country has the worlds fourth-largest coal reserves?A.IndiaB.the PhilippinesC.IranD.BangladeshPlease select the best answer from the choices providedABCD Drag the tiles to the correct boxes to complete the pairs.Match the natural resources to their uses.waterforestswetlandsparkspaperpreserving aesthetic valueirrigationtrapping sediments In the ______ stage of team development, members depend on the project manager to provide direction and structure. a. forming b. norming c. storming d. performing. .The figure below includes a semicircle andtrapezoid. Find the area of the figure. Friction is the _________ of one surface or object rubbing against another.ResistanceReversing Reaction george is 6.25 feet tall needs to know the height of a tree that he is going to cut down. he notices that he casts a 10 foot tall shadow when the tree casts a 28 foot shadow. Researchers investigated whether providing a fancy, foil-wrapped piece of chocolate with the dinner bill would lead to higher tips than not providing such a treat. Sixty-four dinner parties at a restaurant in Ithaca, NY were randomly assigned to receive such a piece of chocolate or not with their dinner bill. Of the 32 parties who received the chocolate, the average tip (as a percentage of the bill) was 17.84%, with a standard deviation of 3.06%. Of the 32 parties who did not receive the chocolate, the average tip (as a percentage of the bill) was 15.06%, with a standard deviation of 1.89%. Determine a 96% confidence interval for the size of the difference in average tips between the two groups customers make purchases at a convenience store, on average, every ten and half minutes. it is fair to assume that the time between customer purchases is exponentially distributed. jack operates the cash register at this store. a-1. what is the rate parameter ? (round your answer to 4 decimal places.) a-2. what is the standard deviation of this distribution? (round your answer to 1 decimal place.) b. jack wants to take a nine-minute break. he believes that if he goes right after he has serviced a customer, he will lower the probability of someone showing up during his nine-minute break. is he right in this belief? multiple choice yes no c. what is the probability that a customer will show up in less than nine minutes? (round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) d. what is the probability that nobody shows up for over forty minutes? (round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) which setences use rhetorical devices Having jumped out of the way,she waited for the speeding car to pass.(begin:After...) as the story opens the narrator is in jail awaiting his execution on the following day. find and write down two lines from the story that show this is true. Beneatha says that words will never hurt her right before Mr. Linder walks in the door how is this significant ? A raisin in the sun Write an equation in slope-intercept form that has a slope of 3 and a y-intercept of 6 D. none of the above 17. Which method of delivery is planned or prepared in advance. It is also the most spontaneous, energetic, and engaging speech delivery method? A. memorized B. manuscript C. impromptu D. extemporaneous which kind of tissue is designed to regulate temperature, secrete lubricents and protect the body from harmful substances