If the radius of a circle is 4 cm what is the circumference

Answers

Answer 1
To start, since you know the radius of a circle is half of the diameter, and the formula for the circumference of a circle is C=Dπ (d is diameter) or C=2πr, you would first find the diameter of the circle which is 8 (you find this by multiplying the radius by 2). Then, if you multiply the diameter by π or if you want to round, use 3.14. This would result in 8π or 25.12 cm as your circumference. (hope this helps XD)

Related Questions

What African city sits at about 5 degrees north, 31 degrees east?

Answers

5 degrees north, 31 degrees east points out outskirts of the capital of the Republic of South Sudan, Juba. Juba is the largest in South Sudan and it also serves as the capital of Jubek State, one of the 28 states of South Sudan.

In the diagram which layer of rock is the oldest

Answers

Answer: the answer is f

Explanation:

how does atmospheric pressure distribute energy around the globe?

Answers

Changes in pressure cause wind to blow. 

Harnessing the sun’s energy to produce heat or electricity is what?
A.a major source of air pollution
B.nonpolluting
C.inexpensive
D.possible only in coastal areas

Answers

nonpolluting.

This question was on my quiz yesterday, and this was the correct answer!
I hope this helped! :) 

A sheltered body of water next to the shore is called a _______________.

Answers

A sheltered body of water next to the shore is called a harbor. ✅
A sheltered body of water next to the shore would be called a harbor.
Hope this helps!

What determines the size of a mineral crystal formed from magma?

Answers

When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.
Final answer:

The size of a mineral crystal formed from magma is determined by the rate of the magma's cooling and the concentration of specific elements or compounds in the magma.

Explanation:

The size of a mineral crystal formed from magma is determined primarily by two factors: the rate at which the magma cools, and the amount of specific elements present in the magma. A slower cooling rate generally allows larger crystals to form, as the conditions conducive to crystal growth last for a longer period of time. On the other hand, a rapid cooling rate limits the growth of crystals, causing them to be smaller. Moreover, the presence of specific elements or compounds can also influence the size of the crystals. For instance, a magma with a high concentration of silica is more likely to form larger quartz crystals.

Learn more about Mineral Crystal Formation here:

https://brainly.com/question/33474435

#SPJ2

Is lake ontario the closest to great lake to ottawa and canada?

Answers

Yes it is the closest

No, Lake Ontario is not the closest Great Lake to Ottawa, Canada. The closest Great Lake to Ottawa is Lake Ontario's neighbor to the west, which is Lake Huron.

Lake Huron is the closest Great Lake to Ottawa, Canada, although it is not directly adjacent to the city. Lake Huron is located to the northwest of Ottawa, with a distance of approximately 300 kilometers (186 miles) from the city.

In contrast, Lake Ontario, which is the easternmost Great Lake and directly south of Ottawa, is farther away, with a distance of over 400 kilometers (about 250 miles).

While both lakes are part of the Great Lakes system and provide significant water resources and recreational opportunities for the region, Lake Huron is geographically closer to Ottawa than Lake Ontario.

What is a half-life?
Question 2 options:


Half the time it takes for an organism to become extinct


The spontaneous breakdown of atomic nuclei


The time it takes for half a radioactive sample to decay


Atoms of the same element with a different number of neutrons

Answers

I'd go with option "C"

it is the time taken for the radioactivity of a specified isotope to fall to half its original value.

was it worth it? XD

1) The Great Lakes are ____of the Rocky Mountains

a) northeast
b) southeast
c) west
d) north

2)The Appalachian Mountains are______ of the Rocky Mountains

a) north
b) south
c) east
d) west

Answers

1) is A and 2) is C
Sorry if I’m wrong :)

Germany has access to markets for its goods because of its _____.


A) control of formerly Communist areas
B) natural resources
C) membership in the European Union
D) early industrial development

Answers

Your answer is most likely C

The Answer is:

C) Membership in the European Union


The Byzantine Empire fell in 1543.


TrueFalse

Answers

false... it fell in 1453

Which new york state city is located at 42°39' n 73°45' w?

Answers

The New York state city is Albany.

The answer is Albany.

Albany is the capital city of New York State. Its latitude is 42°39' N (north) and  73°45' W (west) longitude. The city of Albany is situated on the west bank of the Hudson River. This city is famous for its rich history, culture, architecture, and  higher education institutions. The famous Institute ‘Hudson River School paintings’ adding fame to Albany.  

What is the purpose of the SMCRA and what requirements does it dictate?

Answers

SMCRA stands for the Surface Mining Control and Reclamation Act of 1977 (SMCRA). The SMCRA is a federal law that controls how much the coal mining companies can pollute the environment. The Surface Mining Control and Reclamation Act regulates how old mines are reclaimed in addition to controlling how new coal mines are opened and how they operate.

Answer:

The SMCRA is a federal law that controls how much the coal mining companies can pollute the environment. The Surface Mining Control and Reclamation Act regulates how old mines are reclaimed in addition to controlling how new coal mines are opened and how they operate.

Explanation:

All of the following are examples of benefits that people receive by altering the Earth’s environmental spheres, except __________.
A. the burning of fossil fuels to produce electricity
B. the terracing of a hillside
C. eutrophication
D. the construction of a home

Answers

Answer: letter c

Explanation:

Which US region has a population that is most likely to be dominated by people of Irish, Italian, Puerto Rican, and African American backgrounds?

Answers

id say the northern region because i was born in Pittsburgh and there is a lot of Italian and African influence
Probably the northern region.

If freshwater is continually being recycled, why are there water shortages?

Answers

I think water shortages happen when the recycling water process is too slow, or when the water is used up too fast.
Because the use of water is too much even tough we recycle it

why do astronomers find it difficult to locate extra-solar planets with telescopes

Answers

Ground-based telescope can not detect planet in the brightness of stars

Answer:

     About 300 planets have been located around stars other than the Sun, but this is usually by indirect measurements, such as the change in their passage over their stars' gravitational field, distorting the surrounding light.

  All the extrasolar planets detected so far were a hesitation on a chart, because most of them don't reflect any luminosity.

PLEASE PLEASE HELP!

All of the following are names for canyons except

Select one:
a. ravines
b. gorges
c. chasms
d. lowlands

Answers

Ravines and gorges are names for canyons. Therefore, A and B are eliminated. Chasm is also another name for a canyon, so C is out. Lowland is described for a land that’s lying low, based off of sea level. The answer is D: lowlands.

Final answer:

The term that does not refer to a canyon is 'lowlands'. While ravines, gorges, and chasms are all types of canyons or canyon-like structures, lowlands are flat or gently rolling terrain without steep sides or significant depth. So the correct option is d.

Explanation:

All of the following are names for canyons except lowlands. Here's why:

Ravines: These are small to medium-sized canyons typically carved by running water and are narrow and steep-sided.Gorges: Similar to ravines, gorges are typically deeper and more narrow canyons, often with a river flowing through them.Chasms: These are very deep, narrow openings in the earth's surface, and they can be similar to canyons but are often more dramatic in depth compared to their width.Lowlands: This term refers to areas of land that are low in elevation compared to surrounding areas, which does not describe a canyon. Lowlands are the opposite of highlands and do not have steep sides or a significant depth that characterizes canyons.

Canyons are known for having been formed by the process of erosion over millions of years. The Valles Marineris on Mars, though often referred to as a series of canyons, was primarily formed due to tectonic cracks rather than erosion by water. However, water played a later role in shaping these canyons. Other processes like wind erosion also continue to shape existing canyons on Earth. These terms describe various types of steep-sided valleys, which are often associated with rivers or ancient water flow, unlike lowlands that represent flat or gently rolling terrain.

Anti-semitism in russia in the late 1800s was a "push" factor that caused many people to leave their home country and migrate to the US.
True or False

Answers

The answer in this question is TRUE. Anti-semitism in russia in the late 1800s was a "push" factor that caused many people to leave their home country and migrate to the United States, this is true. It was a push factor, the anti-emitism in russia in the late 1800s, that cause many people to leave their home country and migrate to united states.

TRUE because ''push'' means putting them out ''pull'' means bringing them in.

what language is killing siberian?

Answers

language of the tuva

Sedimentary rocks are more a product of the _________ system whereas metamorphic and igneous rocks are more a product of the __________ system.

Answers

Explanation:

exogenic and ensogenic

The doldrums and the horse latitudes are both regions of

Answers

Answer:   30° latitude from the equator.
_____________________________

Which statement about a nonpartisan election is true? A. Successful candidates must be identified by party. B. Most school and city officers are chosen in this way. C. Successful candidates must be nominated by a major party. D. Most state senators are chosen in this way

Answers

Nonpartisanism is a lack of affiliation with or bias toward a political party. Therefore, the statement that is true about a nonpartisan election is -- B. Most school and city officers are chosen in this way.  These organizations claim to be nonpartisan but they also follow the policies of a political party.

Most school and city officers are chosen in this way. - GradPoint Answer

of the three landform regions in Central America, which has both a springlike climate and a cold climate

Answers

The answer is mountainous core.

A mountainous core

 

B Pacific coastal plains

 

C Caribbean lowlands

!!!!!!!ITS A!!!!!!!

Which of the following is unaffected by the Coriolis effect?
A. Earthquakes
B. Easterlies
C. Jet stream
D. Ocean currents
E. Westerlies

Answers

I would believe the answer to be (a) since the effect  has to do with wind force movement

Answer:

A. Earthquakes

Explanation:

    Coriolis's inertial force (or Coriolis Effect) is a movement perceived only by observers who are in a non-inertial frame of motion (for example, planet Earth). Newton's laws of motion are valid for inertial reference systems, ie without acceleration. To use them in a non-inertial system, one can adapt them by introducing fictitious forces. Therefore, it is common to call the Coriolis effect as a fictitious or inertial force, since it is only an acceleration (unit of measure is m / s² and not newtons).

Which type of rock tends to have ripple marks, mud cracks, and layers (strata)?
Question 1 options:


Extrusive igneous rocks


Sedimentary Rocks


Intrusive igneous rocks


Metamorphic Rocks

Answers

a) sedimentary rocks

Answer:

A) sedimentary rocks have

according to census 2000 more than one-third of the foreign born population lived in which region ?
a.)South
b.)West
c.)Midwest

Answers

South: This population increase is due to the significant need of better living that people wanted from the mexico and puerto rico area of the world. Do the the number of illegal immigrant coming into this country from the south, the need to reproduce to give a better living to their children became a reality. Imagreates crossed the boarder into the south to find better work and wages in order to take care of their families. This lead to a boom of foreign born population increase from the 1990's tp 2000.

What is the rotational kinetic energy of earth in its orbit around the sun?

Answers

The rotational kinetic energy of earth in its orbit around the sun is:
1/2 m w^2 R^2
I hope this helps a lot.


One of the Germanic tribes was the Vandals.


TrueFalse

Answers

True. They were a Germanic tribe that lived in the East in the 5th century AD. Most probably, they lived on the territory of today's Poland. Thanks to many fights for supremacy, the Vandals ended up on the Iberian peninsula and even across the Mediterranean sea, in North Africa. They entered the popular culture as a synonym of barbarous tribes who destroyed everything in their sight. In truth, they weren't better or worse than their contemporaries in this respect.

A ____ represents a three dimensional figure with three separate views such as the top view front view and right side view

•net
•orthographic drawing
•isometric drawing
•geometric solid

Answers

I believe the answer is D. geometric solid. Let me know if this helped.
A ____ represents a three dimensional figure with three separate views such as the top view front view and right side view


•geometric solid
Other Questions
1. Find the length (distance) of segments AB, CD, and EF.AB = CD = EF = 2. Find the midpoint of segments AB, CD, and EF.AB = CD = EF = 3. Find the slope of the segments AB, CD, and EF.AB = CD = EF = (c)Mrs. Dewalt looked at another hotel. She waited a week before she decided to book nights at that hotel, and now the prices have increased. The original price was $1195. The price for the same room and same number of nights is now $2075. What is the percent increase? Round to the nearest whole percent. Explain your answer according to the torah, where did the israelites go once they left Egypt? What sparked Lenin's turn toward communism?A. The lives of peasantsB. The lives of factory workersC. The killing of his siblingsD. All of the above Complete the following sentence._____ is the writing stage when you improve the overall quality of your writing by changing, adding, or deleting parts of it.A: PrewritingB: DraftingC: Publishing and presentingD: Revising Why is it important to review an essay outline?A. It helps you choose a topic for your essay.B. It helps you see if your topics are organized logically.C. It helps you check if your sources are credible.D. It helps you find grammar or spelling errors in your essay. What are some differences and similarities between the Jamestown colony and Plymouth colony??PLEASE HELP!!! 4.624 to the nearest 10m Shirley measures the thickness of a piece of cardboard with a ruler that has centimeter and inch markings. Which of the following is most likely the value that Shirley measures? If you find yourself in a situation where you are not comfortable with the level of physical intimacy, what should you do? A. Break up immediately with your partner. B. Blame Yourself for not being ready. C. State clearly and directly that you want to stop. D. Blame your partner for not being more attractive. What contributions did bernardo de galvez make to the american revolution? Korea was divided into north and south along the __________ after World War II.A.Mason-Dixon LineB.38th ParallelC.17th ParallelD.Tropic of Capricorn the number of peaches, p, is three less than half the number of grapes, g. which expression represents the number of peaches in terms of the number of grapesA.g/2-3B.2g-3C.g-3/2D.3g-2 If a radio station call letters must begin with either K or W and must include either two or three additional letters, how many different possibilities are there? The Maryland state law involved in the Supreme Court case of McCulloch v. Maryland What factor might cause an increase in a supply of a product What did napoleon announce on the third sunday after snowball's expulsion? Whose work does Da Vinci reference in his notes with this sketch? Vitruvian Man Tony is now three years older than howard. five years ago the sum of their ages was 59. now, tony is This is a mixture in which two or more substances are so completely blended that is looks like one substance. Steam Workshop Downloader