Find the area of a circle with radius r of 2.5 inches. Round your answer off to one decimal point. Hint: The formula for the area of a circle is A = πr2 and π should be approximated to four decimal places.

A. 19.8 square inches
B. 18.1 square inches
C. 6.7 square inches
D. 12.5 square inches

Answers

Answer 1

The area of a circle with a radius of 2.5 inches is approximately 19.8 square inches.

Using the formula for the area of a circle, [tex]\(A = \pi r^2\)[/tex], where r is the radius of the circle, and substituting the given radius value of 2.5 inches, we get:

[tex]\[A = \pi \times (2.5)^2\][/tex]

[tex]\[A \approx 3.1416 \times 2.5^2\][/tex]

[tex]\[A\approx 3.1416 \times 6.25\][/tex]

[tex]\[A\approx 19.634 \text{ }\][/tex] square inches

Rounded off to one decimal point, the area is approximately 19.8 square inches. Therefore, the correct answer is A.


Related Questions

In the process of shaping, behaviors are ordered in terms of increasing similarity to the desired response. These behaviors are called ________. (3 points)

Answers

This is Successive approximations

Answer:

successive approximation

Explanation:

It is a method of shaping behavior in which responses which are similar to the desired behavior are identified and reinforced. At first the responses, that  are roughly similar to the desired behavior are reinforced. After this, only the responses that closely similar to the desired behavior are reinforced. This process eventually results in the desired behavior. This is referred to as successive approximation.

Every consecutive step towards the desired behavior is rewarded. The sequence of rewards, for different steps of the behavior increases the probability that the steps will lead to the desired behavior. The steps leading to the desired behavior should be identified chronologically complete the intended performance. The final behavior is divided into desired steps to be rewarded sequentially.

For example, a researcher may use shaping to train a rat during an experiment to press a lever. Rats are to be trained for this as they are not born with the ability to press a lever in a cage. To begin with, the researcher will reward the rat if it does some movement in the lever direction. After that to get rewarded, rat must actually take a step toward the lever. Now the rat has make more advanced move  to go over the lever in order to get rewarded and this will continue unless only pressing lever generates reward. The rat won't be rewarded for doing any past behaviors. Every time a rat is rewarded for a successive approximation which leads to the desired behavior.

What is the consequence of deforestation?
A.
increase in population
B.
increase in poverty
C.
increase in floods
D.
increase in forest land
E.
increase in quality of air

Answers

Increase in floods, by process of elimination this appears to be best option.  With fewer trees the speeds of water and run off increase which increases floods.

Increase in floods is the consequence of deforestation.

Answer: Option C

Explanation:

The act of cutting down of trees form an area without any intention to establish any future stand of trees is known to be Deforestation.  

It is also termed as clear cutting. There are many consequences that are related with the act of deforestation.  

The deforestation consequences include global warming, increase in floods, soil erosion, biodiversity loss and change in climate.  

Trees help in absorption and storing of larger amount of water when it rains. Due the act of deforestation, the flow of rainwater gets disturbed and these results in flood in most of the areas.

Doug has filled a long tray with an even layer of sand. Doug then uses two bricks to prop up one side of the tray. Next, Doug uses a watering can to pour water onto the high side of the tray. What natural process is Doug most likely modeling? A. an earthquake B. erosion C. the rock cycle D. a volcanic eruption

Answers

B. Erosion because water is a common agent of erosion weathering the surface it runs over

As more girls in the developing world are educated all of the following are consequences EXCEPT –

A) infant mortality decreases.

B) natural increase rate slows.

C) women assume more positions of power.

D) GDP increases.

E) more authoritarian governments arise.

Answers

E) because the rest are true, and it seems irrelevant

_____ prevention consists of identifying and treating psychological disorders in the early stages, before they become serious. A. Tertiary B. Secondary c. Primary d. Immediate

Answers

The answer to your question is C (Primary)

Primary prevention consists of identifying and treating psychological disorders in the early stages, before they become serious.

Hope this helps :)

After carefully reading both texts, compare how the actual words of Geronimo support what is written about him in the biography excerpt by Mildred Olson.


THE PASSAGES ARE THE PICTURES

Answers

I think the answer is" While still just a little boy, Geronimo began training to become a hunter and a warrior." I'm not sure how many sentences you can highlight but this sentence is my best conclusion

Hope this helps!

In a certain code DZMG means WANT. What does YVZW mean? A) BELT B) BEAT C) BEAD D) BART

Answers

I think its C) BEAD

Because if the Code DZMG means WANT then that means D=W, Z=A, M=N, and G=T. So based off of that I believe that in YVZW  the last two letters  ZW=AD. So then that  cancels out  all the other answer options which then gives you the only answer left which is C) BREAD.

First-hand personal experience is enough to base a statement of fact on.

A. True
B. False

Answers

I would say False because your experience could be completely different than someone else.

Answer:

false

Explanation:

If X = 9 units, Y = 6 units, and h = 5 units, then what is the area of the parallelogram shown above?

Answers

this question is impossible for us to answer because we don't have the parallelogram to see.

Which is the second step in visual character development?

Answers

Step 1: Identify Your Characters & Their Roles in the Story. ...

Step 2: Get Inside Your Character's Head. ...

Step 3: Research, Research, Research. ...

Step 4: Strong Dialogue = Stronger Character Development. ...

Step 5: Show, Don't Tell.

The second step in visual character development is creating a 3-D model of the character.

1. Concept art: The initial step in character development involves brainstorming and sketching out various concepts for the character's appearance, personality, and style. This helps establish the visual direction before proceeding to the next stage.

2. Creating a 3-D model: Once the concept art is finalized, artists create a detailed three-dimensional model of the character using digital sculpting software like ZBrush or Maya. This step involves sculpting the character's form, defining proportions, and adding intricate details.

3. Animating the character: After the 3-D model is completed, animators rig the character by adding a digital skeleton and controls for movement. This allows them to animate the character performing various actions and expressions.

4. Texturing: Once the 3-D model is rigged and animated, artists add textures to the character's skin, clothing, and accessories to enhance realism and visual appeal. This step involves painting or digitally applying textures to the model's surface.

In summary, creating a 3-D model of the character is the second step in visual character development, following the initial stage of developing concept art.

The complete Question is given below:

Which is the second step in visual character development?

A. developing concept art for the character

B. animating the character

C. creating a 3-D model of the character

D creating skin and costume textures

Which of the following correctly describes NIMS?
A. A static system used during large-scale incidents.
B. A communications plan.
C. A systematic approach to incident management.
D. A response plan.

Answers

Answer:

Your correct answer is C. A systematic approach to incident management.

Explanation:

The option that correctly describes NIMS is  C. A systematic approach to incident management.

Which  describes NIMS?

NIMS is an abbreviation for the National Incident Management System. It is a method used in the United States to manage incidents in a systematic way. This provides a complete structure for managing various types of incidents, including big incidents.

NIMS sets up rules and guidelines for different groups to work together during emergencies. This system  helps different groups work together better during emergencies. It makes communication and coordination easier so that the response to incidents is quicker and more effective.

Hence option c is correct.

Read more about NIMS here:

https://brainly.com/question/30487407

#SPJ6

A country’s manufacturing jobs are being outsourced to lower-wage countries. What policies might the government implement to improve the situation?

I. Lower tariffs on imported goods
II. Offer retraining in high-need jobs
III. Invest in research and development
IV. Encourage workers to return to work on farms
I and III
I and IV
II and III
II and IV
III and IV

Answers

Offer retraining in high-need jobs. It seems to be the only option that applies.

True or False. After you declare bankruptcy, you will not face serious financial repercussions.

Answers

False, bankruptcy has several financial repercussions spread out over many years. The amount of years can vary.

false ,when you declare bankruptcy, all your debts are erased.

hope this helps:)sorry if it doesnt

plz mark brainliest

Which of the following is least likely to be an effect of noise pollution on humans?
Decreased cortisol levels
Decreased productivity
Increased risk of heart disease
Loss of sleep
Short-term hearing loss

Answers

I think it’s Decreased productivity but I might be wrong.

Answer:

Option (1)

Explanation:

Noise pollution refers to the condition where there occurs increase in the volume of sound. It directly affects the physiological health of a person. It is mainly caused by the use of heavy machineries, vehicles, high music system.

The effects of noise pollution is very significant. It is responsible for the loss of sleep, short term hearing loss, heart diseases also gets increased because of sound pollution. A person losses his/her focus, as a result of which the productivity of a person decreases.

According to the research, it has also been found out that the exposure to high sound pollution leads to the increase in the cortisol level.

Thus, the correct answer from the given option is option (1).

Spray-applied coatings must be applied according to transfer efficiency standards using what technologies? A) High volume, low pressure (HVLP) guns B) Electrostatic guns C) Airless guns D) All of the above

Answers

D) All of the above is the answer

what was the impact of this growing conflict between farmers and business on American society

Answers

Answer:

Can u explain

Explanation:

You just found out that the balance in one of the company's bank accounts dropped below $0 to –$425.59. Now you must adjust the balance to include the $30 penalty that the bank will charge, and then transfer funds from another of the company's accounts. What is the balance after the penalty and before you transfer any funds? –$395.59

Answers

The correct answer is -$455.59.

The balance in the account after it is overdrawn is -$425.59, and the the bank charges them an additional $30 fee, which will be subtracted from the account.

-$425.59 - $30 = -$455.59

Describe the contribution of waste heat from energy conversion devices to projected climate disruption

Answers

Answer:

Waste heat from energy convertion plants has led to national warming.

Explanation:

Waste heat from the above plants are emitted directly into the environment, this heat does not become extinct, it becomes part of the environment causing a warming effect, and a negative change in the climate.

Further Explanation

Other than the above cause, global warming also contributes to the warming of the enviroment.

Dr. Jones studies individuals' personal choices and personal growth. Dr. Jones's theoretical perspective is best described as cognitive behavioral humanistic psychodynamic

Answers

Answer:

Personal chocie and catering to an individual needs is a humanistic perspective in psychlogy.

Answer:

Humanistic psychodynamic

Explanation:

Dr. Jones's theoretical perspective is best described as cognitive behavioral. This perspective is the branch of psychology that studies the cognition of human beings.

This area seeks to understand how people perceive, learn, remember and represent particular information and how these patterns impact their behavior. That is, through this perspective, scientists study the personal choices and personal growth of individuals.

How do this global cities create a network of international relations and connections?

Answers

Answer:

Global cities create a network of international relations and connections in the following ways:

Explanation:

Global cities lead to development of transport mechanisms between them, this in turn enables connection between people in terms of economic, social and political reasons.Global cities are actors in the global market, this leads to heathy diplomatic ties between people in their respective states; for business to happen, then peace must prevail.Global cities also compromise the health of global political, social and economic relations especially when there arizes competition among them. The peoples of the world get to interact as a result of global cities which bring people from all corners of the world together.

What are the major theories of personality and their major terms for each one respectivly.

Answers

The four personality types include: Average: The most common type are people who are high in neuroticism and extraversion while lower in openness. Reserved: People in this type are not open or neurotic but they are emotionally stable. They tend to be introverted, agreeable and conscientious.

Which of the following is NOT an indicator of a well formatted document? a. The formatting draws the reader to key parts of the document b. The formatting enhances the document's contents c. Each line of the document has different formatting applied to it d. The formatting makes the document easy to read and understand Please select the best answer from the choices provided

Answers

If you use a mixture of formats in a single document, it can be confusing to the reader. This is the exact opposite of what formatting is supposed to do.

Answer: c. Each line of the document has different formatting applied to it.

Answer:the shape size and design

Explanation:

Which statement is true about the relationship between carrying capacity and population size?




A. If a population is more than the carrying capacity, it leads to a positive growth rate and increased population.

B. If a population is less than the carrying capacity, it leads to a negative growth rate.

C. If a population is less than the carrying capacity, it leads to a positive growth rate and increased population.

D. If a population is more than the carrying capacity, it leads to a neutral growth rate.

Answers

Answer:

The answer would be C if a population is less than the carrying capacity it leads to a positive growth rate and increased population...

Explanation:

Answer:

For plato family

C. If a population is less than the carrying capacity, it leads to a positive growth rate and increased population.

Explanation:

I just took the test .

Plzzz help 60 points

Answers

ok this is not answering your question but if you go to desmos you can enter in your points then you can rotate your shape

╦___________________________________╦

│Hope this helped  _____________________│

│~Xxxtentaction ^̮^ _____________________│

╩___________________________________╩    

With an increase in interest rates,

A. capital investment decreases, decreasing economic growth.

B. investment spending decreases, decreasing economic growth.

C. capital investment increases, increasing economic growth.

D. investment spending increase, increasing economic growth.

E. capital investment increases, decreasing economic growth.

Answers

E. capital investment increases, decreasing economic growth. People invest more and spend less with higher interest rates. As interest rates increase economic growth decreases.

The motor on a residential gun type oil burner is usually a ______ motor.

Answers

split-phase fractional horsepower

What is the role of each branch of government in the process of the federal government creates the laws that govern the entire nation

Answers

The legislative branch actually creates and votes on the laws. They also have the right to override any veto the president makes. So if the president vetoes a law that the legislative government makes, the legislative branch can override the veto with a simple majority

The executive branch actually enforces these laws and can pass executive orders which can override congress' ruling in an emergency

the judicial branch has the power to determine whether or not these laws are constitutional  

24. If one person will be doing all of the driving, __________ hours driving a day should be considered the limit.

Answers

This question is incomplete because it is missing the options, here is the complete question

If one person will be doing all of the driving, __________ hours driving a day should be considered the limit.

a. two to three

b. four or five

c. six to eight

d. ten

According to this, the correct answer is C. Six to eight hours

Explanation:

Driving requires complete concentration and attention, besides driving implies staying in only one position, while still moving. Due to this, as you drive the physical and mental effort causes you feel tired and therefore, your concentration and precision reduce. Because of this, it is recommended to drive only six to eight hours a day if only one person will be driving, because this is the amount of time a person can do the same activity without feeling excessively tired. This is important because in this way you avoid accidents that can be a result of the driver being too tired, and not paying enough attention while driving.

what is one example of the government limiting individual rights to protect the rights of others?


a) the government doesn’t establish an official US religion

b) the government says that people accused of crimes must be tried quickly

c) the government doesn’t allow the media to publish false claims about public officials

d) the government says that citizens have the right to own firearms

Answers

C. It’s the only choice that limits a right. Think about it, the rest are granting rights.

C
because it limits the individual right of the media to express themselves freely but protects others from getting misinformed
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