# A train covers a one third of the distance between 2 towns at a speed of 50 km*h^-1.Find the…

**PHYSICS**

**A train covers a one third of the distance between 2 towns at a speed of 50 km*h^-1.Find the…**

The train covers the entire distance that we’ll note as x. The 1/3 of distance is covered in the time t1, and the other 2/3 in the time t2. We’ll write the formula of speed: v = x/t (1) v1 =…

**OLIVER TWIST**

**What is the main theme that is developed in Oliver Twist?was the aim of the author to describe…**

Charles Dickens used his pen not only to entertain but also to shine a light on the ills in Victorian society. Nineteenth century England was a time of contradictions. It was a time of extreme…

2 educator answers

**POLITICAL SCIENCE**

**Please summarize this article about Pres. Obama and health care….**

This article is an opinion piece in a very conservative magazine’s website. It is from May of last year. In it, the author is severely criticizing Pres. Obama for his plan to create a new…

1 educator answer

**SCIENCE**

**Compare and contrast mitosis and meoisis. How does the chromosome number of the daughter cell…**

Mitosis is cell division. The result of this process is two identical daughter cells, each with the same number of chromosomes as the parent cell. This process is used by unicellular organisms as a…

1 educator answer

**EVERYDAY USE**

**In “Everyday Use”, what are some of the conflicts that Mama and Dee have?**

Interestingly, I think that the conflicts between Mama and Dee are very closely linked to the theme and the major symbol of this story. I think the theme of this story has to do with our heritage…

1 educator answer

**LITERATURE**

**the way of the world as a comedy mannersDiscuss The Way of the World as a comedy of manners.**

You haven’t had any responses here, but it might be because these would be better suited to the question forum. Your seeking very specific information that seems as if it would take a lengthy…

1 educator answer

**MATH**

**Decide the number of solutions of the equation?2*25^x = 1+5^x**

We need to find the number of solutions of 2*25^x = 1+5^x. Now, let Y = 5^x 25^x = 5^2^x = 5^x^2 = Y^2 So we can rewrite 2*25^x = 1+5^x => 2Y^2 = 1 + Y => 2Y^2 – Y – 1 =0 => 2Y^2 – 2Y + Y…

**SCIENCE**

**Red/green colorblindness is a recessive sex-linked trait. The gene which causes it is on the X…**

The only way a colorblind man could produce a colorblind daughter is that the father must be XcY, or colorblind himself. The daughter must inherit two genes for colorblindness to be expressed,…

1 educator answer

**SEAMUS HEANEY**

**What is Seamus Heaney’s attitude towards death in his poem “Mid-Term Break”?**

In the poem the tree is alive: “sways,” “waves,” “moves,” “shakes,” etc. The poet mentions the“comic rungs of the ladder,” the “nails,” the tree itself and the surrounding…

**THE THINGS THEY CARRIED**

**How does O’Brien emerge himself into the story as the narrator?i think it would be chapter 3**

The various stories, represented as chapters in O’Brien’s The Things They Carried, all tell a different angle, a different experience or event in the Vietnam War. At times it reads like a short…

1 educator answer

**MATH**

**Differentiate (x^2-1)/(x^2+1)?**

f(x)= (x^2 -1)/(x^2 + 1) Let f(x) = u/v such that: u = (x^2 -1) ==> u’ = 2x v= x^2 + 1 ==> v’ = 2x ==> f'(x)= (u’v-uv’)/v^2 = (2x(x^2 + 1) – (x^2 -1)2x ]/(x^2 +1)^2…

1 educator answer

**MATH**

**Find solutions of equation? 14^14x – 2*14^7x + 1=0**

14^14x – 2*14^7x + 1 = 0 We know that: 14^14x = 14^2*7x = (14^7)^2 ==> (14^7x)^2 – 2*14^7x +1 = 0 Let y = 14^7x ==> y^2 – 2y + 1 = 0 ==> (y-1)^2 = 0 ==> y=1 But y= 14^7x = 1 ==> 7x…

1 educator answer

**POETRY**

**What two sources of growth are mentioned in the poem “Haiku” by Basho?**

Basho’s haiku are filled with references to nature and cultivated lands, of course, which may qualify as one source of growth. In the poems, we come across frogs in ponds, scarecrows in…

1 educator answer

**MATH**

**Solve the quadratic. (don’t use formula) 7x^2+10x+3=0**

let f(x) = 7x^2 + 10x + 3 Let us factor: ==> (7x + 3)(x+1) = 0 Then we have 2 solutions: x1= -3/7 x2 = -1

1 educator answer

**SCIENCE**

**Are proteins destroyed when heated?**

As I recall from my biology classes, proteins are denatured, not destroyed, through heating. When food’s consistency is transformed through cooking, for example — meat and fish can became firmer…

1 educator answer

**MATH**

**Decide the monotony of function f(x)=x^27+x^25+e^(x^3)?**

The monotony of a function establishes the increasing or decreasing behaviour of the function. In order to prove that f(x) is an increasing function, we have to do the first derivative test. If the…

**EVERYDAY USE**

**In “Everyday Use”, who or what is the narrator’s intended audience for this story?**

I think it is important to focus on the setting of the story to think about the kind of message that Walker is wanting to convey and, in addition, the kind of audience she has in mind. This story…

1 educator answer

**MATH**

**Prove that f(x)=-2x+3 is inveritble. If f is invertible, find f^-1.Find the point of the graph of…**

To prove that f(x) is invertible, we’ll have to prove first that f(x) is bijective. To prove that f(x) is bijective, we’ll have to prove that is one-to-one and on-to function. 1) One-to-one…

**SCIENCE**

**If the D.N.A. sequence is ATGCGCAGTTATTGCGAT what is the mRNA sequence?**

The convention for converting a DNA code to mRNA code is as follows: DNA matches with mRNAA matches with UT matches with AG matches with CC matches with G Following that convention: DNA:…

2 educator answers

**MATH**

**In an election 8%of the votrs didnt cast their votes.the winner by obtaining 52%of the total…**

We are given that in the election 8% of the voters did not vote. Let the total number of eligible voters be N. So the number of people who voted is N*(1-.08) = 0.92*N . Now the winner has 52% of…

**MATH**

**Find out cube of 25 with short cut method.**

To find the cube of 25 We know that (a+b)63 = a^3+3ab(a+b)+b^3. a = 20 and b =5. Then bt formila: 25^3 = (20+5)^3 25^3 = 20^3+3*20*5(20+5)+5^3 25^3 = 8000+300(25)+125 25^5 = 8000+7500+125 25^3 =…

**SHOGUN**

The term “black ship” in this story is used to refer to any of the ships that was used (usually only once a year) to ferry money and some goods from Asia back to Europe. During the time in which…

1 educator answer

**MATH**

**if a sum of money grows to 144/121 times when invested for 2 years in a scheme where the interest…**

Let us assume that the yearly rate of interest is R. Now we are given that in 2 years the amount invested becomes 144/121 times. We also know that when interest is compounded annually, an amount A…

**SHAKESPEARE’S SONNETS**

**What is the element in Sonnet 109?I have been going at this for hours, and I think it’s metaphor,…**

I’m no expert in Shakespeare’s sonnets, but I’ll do my best to help out here. I think that you’re right. Let’s go with metaphor. (Periphrasis might be another option, if that’s a familiar term for…

1 educator answer

**SCIENCE**

**What differentiates their fundamental frequency? In a guitar all the strings are of the same…**

The formula for the fundamental frequency of a stretched string is given by: sqrt [ T/ (m/L)]/ 2*L , where T is the tension in the string, m is the mass per length and L is the length of the…

**GUIDE TO LITERARY TERMS**

**What is the meaning of “to annotate a passage”?**

One annotates a passage that need explanation to be completely understood and appreciated. Often, in works of literature, an editor will annotate the text in the margin (or at the bottom of each…

1 educator answer

**OF MICE AND MEN**

**What is a good thesis statement to use in an essay about Curley’s wife isolation and loneliness?…**

You might like to try and take a slightly different angle by focussing on something a bit more attention-grabbing. When I read this novel what strikes me is how my emotions are torn between equal…

3 educator answers

**HAMLET**

**Which text/source does eNotes use for its original version of Shakespeare Hamlet?As there are…**

I did not edit the Entoes text of Hamlet, let me be clear about that upfront, but I have read enough different editions (and it’s better to call each distinct Hamlet a different “edition” rather…

1 educator answer

**PORTRAIT D’UNE FEMME**

**Why does the poet use a French title instead of an english one in “Portrait D’une Femme”?**

If you’re talking about Ezra Pound’s poem “Portrait d’une femme,” the answer is pretty simple, in a way, I believe: Pound was a full-blown modernist writer, and modernists like Pound and T.S. Eliot…

1 educator answer

**BUSINESS**

**Which is that one factor you look out for while purchasing a car?**

Of course, this will differ greatly depending on the person answering. For me, when I go to buy a car, I know what size of car I want and then I look for something that is going to give me good…

2 educator answers

**MATH**

**Could you factorize the following? 2(2x-1)^2 – 3(x-3)^2 = 5(x+3)(2x-1)I’m sorry. That was meant…**

2(2x-1)^2 – 3(x-3)^2 = 5(x+3)(2x-1) We solve the above equation using factors : 2(2x-1)^2-3(x-3)^2 = 5(x+3)(2x-1) 2(4x^2-4x+1) -3(x^2-6x+9) = 5(2x^2-x+6x-3) (8-3)x^2+(-8+18)x +2-27 = 10x^2+25x-15…

**THE STARRY NIGHT**

**Does Sexton’s poem help you to see things in the painting that you had overlooked? Why or why…**

Vincent van Gogh’s painting “Starry Night” is one of contrasts, contrasts that Anne Sexton’s poem clearly illustrates. Against the movement of the stars, the sense of isolation that van Gogh and…

2 educator answers

**LITERATURE**

**Literary Character as a LoverThere have been several characters from literature that I have had…**

Wow. True literary confessions, eh? Well then, I must confess to having two, and my classes over the years will attest to them. One is Sydney Carton in A Tale of Two Cities. This man who has…

13 educator answers

**RELIGION**

**Why would you want to believe in a God who you’re supposed to fear? Not for me..Why would you…**

Obviously, this is a matter of personal faith and no one can tell you what to believe. My own personal opinion is that different people find their own ways to God and that there is no one way that…

4 educator answers

**A&P**

The answer above may be correct, but I do not think that this is really what Sammy is thinking. To me, he is not thinking about what he wants to be in the future or anything like that. When I…

2 educator answers

**A&P**

**Do Sammy’s observations reveal his youth?**

Sammy’s observations, such as “two crescents of white” (paragraph 1), suggest his extensive experience as a “girl watcher.” He has also watched older women, as is indicated by his disparaging…

**A&P**

The idea of fictional exposition is thus illustrated here, in the story “A & P” with enough material being introduced to make the conflict clear, but no more. The essential fact is that a story…

**A&P**

The exposition occurs simultaneously with the movement of the girls in the store. The essential character to learn about is the narrator, Sammy, and we find out much about him from his accurate and…

**RELIGION**

**evolutionDoes anyone still really believe that humans evolved from apes?**

The theory of evolution has been oftened misinterpreted; Darwin and other evolutionists have not stated that man came directly from apes. Instead there is a contention that man, apes, and monkeys…

2 educator answers

**MATH**

**Find the gradient of the line joining the points (3,3) and (4,-4)**

The gradient or slope of a line joining 2 points X1 and X2 with coordinates (x1, y1) and (x2, y2) respectively is given as: (y2 – y1) / (x2 – x1) Here x1 = 3 y1 = 3 x2 = 4 y2 = -4 So the slope =…

**MATH**

**State the gradient and y intercept of the line : y=3-5x**

The line given to us is in the form y = mx + c , where m is the slope of the line and c is the y- intercept. So there is nothing to be done here. Just take the coordinates from the equation. y = 3…

**A&P**

**What kind of character is Sammy?**

From Sammy’s language we learn that he has a strong sense of his own identity. His anger at the “witch” in paragraph 1, for example, indicates an awareness of his own worth when he is taken to…

**MARK TWAIN**

The story moves forward in fairly easy order. The exposition is in paragraphs 1–9; the complication in paragraphs 10–13; the crisis in paragraph 14. The climax occurs in paragraph 14, when…

**PLATO’S REPUBLIC**

**State the main idea in “Poetry and Unreality” by Plato.**

The main argument in Plato’s assertion is that poets conceal the reality that the philosopher is trying to expose. In their desire to want to be appreciated by the masses, the poet essentially…

1 educator answer

**MATH**

**If a plumber is paid $7.70 per hour, what would she earn in a 35 hour week?**

The rate of the earning of the plumber is $7.70. It is asked to know the earning in a 35 hour week. It is just multiplication of rate of earning per hour * number of hours worked that gives the…

**HISTORY**

**Explain the Endurance Shackleton’s legendary Antarctic expedition.**

Sir Ernest Shackleton’s Imperial Trans-Antarctic Expedition of 1914 established a goal which no explorer had yet completed: a crossing of the continent from Atlantic to Pacific Oceans. Shackleton’s…

1 educator answer

**TEACHERS**

**Top 100 Banned/Challenged BooksALA has posted a list of the top 100 books that were challenged or…**

Interestingly, although I have taught many of the works listed on the ALA list, in the Deep South, I have never had a work challenged. What I have seen, however, are challenges to the teaching of…

18 educator answers

**FIRST CONFESSION**

**Is it a funny portrayal of religion?**

The story is amusing and entertaining, and one does not need to be especially religious to appreciate the humor. Thus, we may laugh at Jackie’s embarrassment at his grandmother’s habits, his…

**FIRST CONFESSION**

**What about Jackie’s bad behavior?**

That childish divisions extend to adults is probably not unusual. Jackie’s lashing out against Nora with the knife and kicking his grandmother in the shins may be extreme, but Jackie is a small…

**FIRST CONFESSION**

**Why is the priest’s religion significant?**

Despite Jackie’s fears about communion, the priest makes sure that the confession is “good” because he brings out all Jackie’s guilt feelings. There is little question that the priest’s…