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expeople1 [14]
3 years ago
6

If f(x) = 3x2 1 and g(x) = 1 – x, what is the value of (f – g)(2)?.

SAT
1 answer:
Over [174]3 years ago
8 0

Answer:

14 is the answer

Explanation:

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ASAP PLEASE HELP: What is convection and how does it contribute to making Death Valley so hot?
Norma-Jean [14]

Answer:

Death Valley’s crazy heats are caused by a combination of the lack of water, geography, and materials that make up the valley.

The average yearly rainfall in Death Valley is only 2 inches. This is less than many other deserts in the world, averaging around 10 inches of rain annually. This intense lack of water also creates a lack of plants in the area resulting in the expanses of sand in the valley open to constant heating by the sun.

Image for post

Sea level in Death Valley

Driving into the valley you get to experience the geography of the environment, traveling from 1000 feet to 4000 feet above sea level and down to 100 feet below sea level. These mountain ranges you drive over top 4000 feet and surround the lowest point in the United States of 282 feet below sea level. This creates an interesting phenomenon of trapping the hot air within the valley.

Sand and rocks make up the valley floor which radiate a large amount of heat. However, because of the geography, this hot air cannot escape. Instead, the hot air rises along the valley walls, cools slightly and then falls back to the valley floor to be heated even more by the hot sand and low elevation air pressure. This concept of movement by heating and cooling is called convection and exists in many other life circumstances like the boiling of water or in a kitchen oven. Despite the movement of air and possibility of high winds, the winds do not do much to cool down the hikers in the valley because the wind is still very hot.

The heat can be so extreme that signs in the park advise turning off the air conditioning in certain areas to avoid overheating of cars, making the experience an even toastier one. Additionally, hiking is recommended only before 10am and with lots of water.

Despite the heat it is worth braving the heat to experience the truly unique views of Death Valley. This unique environment allows for rock formations, salt flats and expanses unlike anything else in the United States.

Explanation:

7 0
3 years ago
Different eating disorders and their characteristics brainly.
Flura [38]

Eating disorders are characterized by repeated attempts to control eating due to intense fear of gaining weight and the exaggeration of the importance of weight or body shape, some of these disorders are the following:

 

  • Anorexia is associated with a significant restriction in eating, fear of gaining weight and a distortion of body image.

  • Bulimia is characterized by large binges on food with loss of control over it and is associated with compensatory behaviors as a result of the guilt that this ingestion produces.

  • Binge eating disorder shows lack of control when eating, it is associated with great emotional discomfort.

Therefore, we can conclude that eating disorders are associated with fear of gaining weight and a self-assessment that is highly focused on body image.

 

Learn more about eating disorders here: brainly.com/question/14310118

7 0
3 years ago
The author indicates that caloric reduction extends the life of a mammalian cell by
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<span>initiating a series of steps that result in the increased production of certain enzymes</span>
5 0
3 years ago
why is martin luther king considered a hero of freedomand toleranace?research the jim crow laws tohelp you answer the question.​
AlladinOne [14]
He helped with the black people aswell anyways Rosa parks
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The poet Robert frost appreciated the mant literary honors the best placement for sentence 12 within the third paragraph would b
dusya [7]

The poet Robert frost appreciated the mant literary honors the best placement for sentence 12 within the third paragraph would work include “Fire and Ice,” “Mending Wall,” “Birches,” “Out Out,”.

<h3>What is Robert Frost acknowledged for in his poems?</h3>

Robert Frost becomes an American poet and winner of 4 Pulitzer Prizes. Famous works include “Fire and Ice,” “Mending Wall,” “Birches,” “Out Out,” “Nothing Gold Can Stay” and “Home Burial.” His 1916 poem, "The Road Not Taken," is frequently study at commencement ceremonies throughout the United States.

Robert Frost published his narrative poem The Death of the Hired Man in North of Boston in 1914. The poem is a conversation between farmer Warren and his wife Mary about their former farmhand Silas, an elderly man who has returned "home" to their farm to die. It is written in blank verse.

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#SPJ1

7 0
2 years ago
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