Whats’ the difference between the Trapezoidal Rule and Simpon’s Rule for approximating integrals?

August 26, 2018 Educator

SCIENCE

Why is the melting point of NaCl higher than that of MgCl2?

Sodium chloride (NaCl) has a melting point of 801 degree Celsius, while that of magnesium chloride (MgCl2) is 714 degrees Celsius. Both sodium chloride and magnesium chloride are ionic solids. Such…

1 educator answer

THE NECKLACE

What are some examples of real life people who are similar to Mathilde Loisel in Guy de…

In describing Mathilde as a character, we first must extrapolate the traits that make her salient and unique. Then, you can take those traits and make text-to-text, text-to-self, and text-to-world…

1 educator answer

REFERENCE

What is the deal with the devil in Doctor Faustus by Christopher Marlowe?

The deal made by Doctor John Faustus with the devil in Doctor Faustus by Christopher Marlowe is that Dr. Faustus would attain twenty-four years of power in exchange for his soul. The deals begins…

1 educator answer

SCIENCE

Calculate the mass of 6.022 × 10^25 atoms of oxygen. Is it 1600?

Hello! Actually, you are right. 6.022⋅10236.022⋅1023 is the Avogadro number, the number of particles in one mole of a substance. In our case particles are atoms of oxygen. It is also known that one mole…

1 educator answer

SCIENCE

Which force helps to keep things in their place?

Gravity is the force that keeps objects in their place. It is the force of attraction between any two bodies. This force is directly proportional to the product of masses of the two bodies and…

1 educator answer

THE LUMBER ROOM

Can Saki’s short story “The Lumber Room” be described as both humorous and serious? Justify your…

Saki’s story can indeed be considered both humorous and serious, for that is the nature of satire, and “The Lumber Room” is a satire of the upper crust of Edwardian England, the period before World…

1 educator answer

LITERATURE

What is the theme of “Where I’m From” by George Ella Lyon?

Lyon’s popular poem, “Where I’m From,” is about looking back on her life and remembering her origins. Lyon writes about her family, her culture, and her environment in search of her…

3 educator answers

THE DIARY OF A YOUNG GIRL

In Anne Frank: The Diary of a Young Girl, why does Anne Frank consider herself a bundle of…

Anne Frank receives a diary for her thirteenth birthday and starts writing in it before her family is forced to hide in what becomes known as the Annex. In Anne Frank: The Diary of a Young Girl,…

1 educator answer

ROMEO AND JULIET

In Act III of Romeo and Juliet, what does Mercutio think is the reason for Romeo refusing to fight?

Mercutio thinks Romeo refuses to fight with Tybalt when challenged because he is afraid of him. Neither Mercutio nor Tybalt knows Romeo secretly married Tybalt’s cousin Juliet and now feels well…

1 educator answer

WILLIAM SHAKESPEARE

What literary techniques are used and what are the effects of these techniques in Sonnet CXVI…

Shakespeare’s Sonnet 116 is about the definition of true love. While it is not as inventive as some of his other sonnets, the images and metaphors it contains effectively establish the idea that…

1 educator answer

THE BET

True happiness lies neither in material possessions nor in knowledge or learning. Materialistic…

In “The Bet” by Anton Chekhov, your first statement that “Materialistic life is futile, fleeting, illusionary, and superficial,” is proved by the banker himself. When he made the bet with the…

2 educator answers

IF I FORGET THEE, O EARTH . . .

Who are the main characters of the story “If I Forget Thee, O Earth…” by Arthur C. Clarke?

The main characters of Arthur C. Clarke’s story “If I Forget Thee, O Earth…” are Marvin and his father. In the story, Marvin and his father are revealed to be living on the moon. When Marvin sees…

1 educator answer

THE CAY

Why is Timothy’s death important (what does it teach Phillip) in The Cay by Theodore Taylor?

In The Cay by Theodore Taylor, Timothy’s death is important for a couple of reasons. First of all, Phillip quickly realizes how much Timothy has taught him in the amount of time they have been on…

1 educator answer

ANIMAL FARM

In Animal Farm by George Orwell, was the animal revolution successful?

In Animal Farm by George Orwell, the animal revolution was successful to the extent that the animals took over the farm from Mr. Jones and his wife, but in the long run, the animals (except for the…

1 educator answer

ENDGAME

How does the play Endgame by Sam Beckett reflect the values and cultural issues of the time the…

Endgame is part of a European tradition called Theatre of the Absurd that follows the horrors of World War II–including the Holocaust. More specifically, society had become gleefully entitled with…

SCIENCE

If you are given concave mirrors with focal length 10 cm, 15 cm and 20 cm, which one is most…

The concave mirror with the shortest focal length (10 cm) is the most suitable for a dentist mirror, while the concave mirror with the longest focal length (20 cm) is the most suitable for a…

1 educator answer

HISTORY

After the Second Great Awakening, which occurred around 1800, several new spiritual movements and religions took off with the common principle of emphasizing the importance of faith and in carrying…

1 educator answer

HEALTH

How can a sodium gradient be used to transport glucose from an area of low glucose concentration…

Glucose can’t move against its concentration gradient (from low to high concentration) by itself. In animal cells, glucose is co-transported into the cell with sodium ions through facilitated…

1 educator answer

SCIENCE

Write the chemical equation for: magnesium+oxygen -> magnesium oxide.

Magnesium metal reacts with oxygen gas, when it burns, to form magnesium oxide. This reaction can be written as: However, this is not a balanced chemical equation as oxygen atoms are not equal on…

2 educator answers

SCIENCE

Why is incoming shortwave radiation higher in early February than it is in early August at this…

Incoming shortwave radiation (such as ultraviolet radiation) is at a peak when the sun is directly overhead an area. In February, the position of the earth relative to the sun is such that the sun…

1 educator answer

SCIENCE

What are some materials that transmit ultraviolet light? Also, what are some materials that…

Ultraviolet light is often referred to as UV light. UV light is part of the electromagnetic spectrum. It is a form of radiation that cannot be detected by the human eye. There is a coating that can…

1 educator answer

TO KILL A MOCKINGBIRD

In what chapter of To Kill a Mockingbird does Dill’s mother re-marry, preventing him from…

In Chapter 12, Dill’s mother re-marries and he does not return to Maycomb County for the summer. Dill sends Scout a letter with a snapshot of his father enclosed. Dill tells Scout in the letter…

2 educator answers

ROMEO AND JULIET

In Romeo and Juliet, why has “Civil blood … made civil hands unclean”?

The quote is taken from the prologue to Act 1 and, in part, reads as follows: Two households, both alike in dignity,In fair Verona, where we lay our scene,From ancient grudge break to new…

1 educator answer

TO KILL A MOCKINGBIRD

What is meant by the question, “Why are characters born at certain times and in certain places?”

One thing it can mean to say that “characters are born at certain times and in certain places” is authors create and use characters to fulfill their own purposes. They create and use characters to…

1 educator answer

BUSINESS

What is the relationship between marginal costs and variable costs?

The relationship between these two kinds of costs is that the change in variable costs creates the change in marginal costs. Therefore, the slope of the total variable cost curve is the marginal…

1 educator answer

HISTORY

How did the frontier compare to the mythology of the Wild West?

Although it is rooted in certain aspects of history, the construction of the Wild West was more of a literary and, in some cases, political device. Despite the newly acquired territory in the west,…

1 educator answer

HISTORY

In what ways did the Spanish-American War reunify the nation post-war? Like a common enemy?

The Spanish-American War started off as an exercise in yellow journalism. Spain had a hard time controlling Cuba and Puerto Rico and had to use internment camps in order to fight the guerrillas…

1 educator answer

SCIENCE

A uniform rod of length 1.00 m is suspended through an end and is set into oscillation with small…

The time period of a physical pendulum is given by the following equation: T=2πImgd−−−−√T=2πImgd Where, T is the time period, I is the moment of inertia, m is the mass, g is acceleration due…

1 educator answer

ARABY

Compare the theme of alienation in “Araby” and “The Yellow Wallpaper” where the causes of both…

Since this assignment has some complexity to it, I want to show you not just the response but also my process in understanding the assignment and then completing it. To restate the issue, we’re…

1 educator answer

THE LOTTERY

Symbolism in “The Lottery” by Shirley Jackson. What do the black box and stones represent?

Oppression, chance, death, archaic traditions. Take your pick. The original paraphernalia for the lottery had been lost long ago, and the black box now resting on the stool had been put into…

1 educator answer

THE LISTENERS

How can I write a diary extract about arriving at the old house in the forest in “The Listeners”?

Walter de la Mare’s poem “The Listeners” is written in the third person, with a narrative viewpoint limited to the perceptions and thoughts of “the Traveller” in the beginning, but expanding…

1 educator answer

TO KILL A MOCKINGBIRD

In Lee’s To Kill a Mockingbird, why does Tom Robinson say he helped Mayella? Why is it a…

Mr. Gilmer questioned Tom Robinson on the witness stand. He asked him why he came into the Ewell’s yard to do odd jobs. Tom insisted that he only wanted to help Mayella because she seemed to do…

1 educator answer

LAMB TO THE SLAUGHTER

In “Lamb to the Slaughter” by Roald Dahl, what does Dahl want the reader to think/feel/understand…

I think one thing that Dahl wants us to feel is the emotional shift that the reader goes through. When the story begins, the reader can’t help but love Mary Maloney. She’s pregnant and very much…

1 educator answer

HISTORY

How did government policy lead to conflict with Native Americans? What solutions might have been…

The United States government and the Native Americans had a lot of conflict in the 1800s. There are reasons for this. The government as well as the American people viewed the Native Americans and…

1 educator answer

THE LONE RANGER AND TONTO FISTFIGHT IN HEAVEN

What are some solutions for the narrator in Sherman Alexie’s “The Lone Ranger and Tonto Fistfight…

In Sherman Alexie’s “The Lone Ranger and Tonto Fistfight in Heaven,” the narrator struggles with the pressures put on him because he was supposed to be one of the Indians who made it off the…

1 educator answer

THROUGH THE TUNNEL

In “Through the Tunnel,” how is the mother an obstacle to Jerry’s initiation?

I believe that the “initiation” that your question mentions is Jerry’s initiation into adulthood. Or in becoming a man, whichever you prefer. I don’t feel that Jerry’s mom is too much of an…

1 educator answer

LITERATURE

Who is the author and what is the title of the short story that is commonly used as an example of…

I think you might be remembering “Miss Hinch” by Henry Sydnor Harrison. This story has irony, a couple of big plot twists, disguises, and a very telling hat pin. It was written in 1911, so it has…

1 educator answer

THE HOUND OF THE BASKERVILLES

I need to do eight character dossiers for The Hound of the Baskervilles by Sir Arthur Conan…

The Hound of the Baskervilles boasts many fascinating characters. Here are eight of the main ones. I am also including a link to the enotes summary of the novel to help you with the second part of…

1 educator answer

SCIENCE

What types of energy are used when someone plays a guitar?

While playing guitar, the most relevant types of energy involved in the process are the sound, kinetic, thermal, muscle, elastic and electric energy. The latter may not be involved if you’re using…

1 educator answer

THE BRONZE BOW

How are honor and duty reflected in The Bronze Bow?

In The Bronze Bow the character traits of honor and devotion to one’s duty are portrayed both positively and negatively by Daniel and Rosh, respectively. Daniel shows his devotion to his duty in…

1 educator answer

THE GREAT GATSBY

What are three facts that Gatsby reveals about his life in Chapter 4 of The Great Gatsby?

Three “facts” about Gatsby that are revealed in Chapter Four of The Great Gatsby are the following: His family “all died” and he inherited “a good deal” of money. Gatsby was educated at Oxford…

1 educator answer

THE MIRACLE WORKER

In the play The Miracle Worker, what are a few ways James is affected by Helen’s disabilities?

The Miracle Worker by William Gibson is a play which outlines some of the highlights and difficulties for Helen Keller’s family, and in particular, Annie Sullivan, as they struggle to help Helen…

1 educator answer

BUD, NOT BUDDY

In Chapter 12 of the novel Bud, Not Buddy, why does Bud think he is not a regular kid?

In Chapter 12, Bud gets a ride from Lefty Lewis to Grand Rapids and is dropped off at the Log Cabin. When Bud walks into the club, he thinks he’s spotted his real father, Herman E. Calloway. Bud…

1 educator answer

A WHITE HERON

In “A White Heron,” what was the relationship between Sylvia and old Mrs. Tilley?

Old Mrs. Tilley is actually Sylvia’s grandmother. Mrs. Tilley is very “thankful” to have Sylvia to help her around her farm and chase the old cow who gets out all the time. Mrs. Tilley had chosen…

1 educator answer

HISTORY

Evaluate the domestic and international leadership of Presidents Roosevelt and Truman during…

Franklin D. Roosevelt effectively ended the Great Depression with American involvement in war production. While the U.S. Congress had passed a series of neutrality acts in the 1930s in an attempt…

2 educator answers

OF MICE AND MEN

What are three ways that The Great Depression is represented in Of Mice and Men?

The Great Depression is represented by the fact that George and Lennie and most of the workers have no stable home, are very poor, and have jobs that do not last long. The story is set during the…

1 educator answer

HAMLET

How are Horatio and Hamlet different?

Though Hamlet and Horatio are both scholars and friends who become very close over the course of the play, the two men are, as your question points out, markedly different. One particular area…

1 educator answer

LAW AND POLITICS

Do you think that the theories from Keynes to the present time still support the ideology of…

Classical economic liberalism is based entirely on the theory of free markets, of allowing the economy to adjust itself with no or minimal government intervention. It grounds itself in the work of…

1 educator answer

LYDDIE

What does Cutler’s Tavern look like in Lyddie by Katherine Paterson?

In a word: BIG. Lyddie arrives at Cutler’s Tavern at the end of chapter two. She has been sold into indentured servitude by her mother in order to pay off the family debts. Lyddie’s place of…