# How find the surface area of a cylinder if you know that the radius=10 cm and the height=17 cm?

**MATH**

**2y- x/3 = 12 what is the slope?**

2y-x/3 =12 To find the slope we need to rewrite the function with the standard form y=mx +b where m is the slope 2y -x/3 =12 2y = x/3 +12 Divide by 2: y= x/6 + 6 Then the slope would be x factor…

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**HILLS LIKE WHITE ELEPHANTS**

**Which conflicts and thems are present in the story “Hills like White Elephants” by Ernest Hemingway?**

Among the conflicts and themes present in the story “Hills Like White Elephants” are the problem of an unwanted pregnancy, the relationship between men and women, and the aimlessness and emptiness…

1 educator answer

**BUSINESS**

**Laissez-faire economists believe/Extrapolative expectations are expectations basedon ? On…**

The answer here is most definitely 3. Laissez faire economists believe that the government should stay out of just about all economic affairs. In fact the term laissez faire means something like…

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**HILLS LIKE WHITE ELEPHANTS**

**contextual clues lead us to assume that the operation that the American refers to is-what? in the…**

Contextual clues in the conversation between the two main characters in Hemingway’s story “Hills Like White Elephants,” lead us to believe that the operation the American man is referring to is an…

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**MATH**

**How find the surface area of a cylinder if you know that the radius=10 cm and the height=17 cm?**

We have cylinder with the radius of the base (r)= 10cm and the height (h)= 17 To find the surface area for the whole cylinder we need to calculate the area of the bases (2 circular baser) and the…

1 educator answer

**TO KILL A MOCKINGBIRD**

**Strong essay structure and examples?Hello, my exam is coming up really soon and I’ve been…**

Twelfth Night is a play, but it is still a story. I response to your request for examples of one character’s decision affecting others, you have several options. First of all, Viola’s decision to…

1 educator answer

**LITERATURE**

**what is the assumptions, ideologies , and discourses about children and childhood reflected in…**

I think the main assumption about children (in most literature) is that they are innocent, naive, and as a result of inexperience – ignorant. Of course this most often isn’t true (not even in real…

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**MATH**

f(x) = x^2 /(x-2) We know that if f= u/v , then f’= (u’v-uv’)/v^2 Now we will assume that: u= x^2 ==> u’=2x v= x-2 ==> v’ =1 Then f'(x) = [2x(x-2)- x^2(1)]/(x-2)^2 = (2x^2 -4x…

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**MATH**

**f(x) = x^3 + x^2 -2x find the value of f'(1)+f'(-1)**

f(x) = x^3 +x^2 -2x First we will calculate the derivative of f(x) f'(x) = 3x^2 + 2x -2 Now we will substitute with x=1 f'(1) = 3+2-2 = 3 Now we will substitute with x=-1 f'(-1) = 3-2-2= -1 Then…

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**MATH**

**x/2 + 3y =5 x+3y =3 slove for x and y**

x/2 +3y =5…(1) x+ 3y = 3…..(2) We are going to use the elimination method: First we will subtract (1) from (2) ==> x/2 = -2 Multiply by 2 ==> x= -4 Now to calculate y, we are going to use…

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**SOCIAL SCIENCES**

**In sociolinguistics, what distinction, if any, would you draw between code-switching and…**

In linguistics, code-switching and borrowing are two separate entities. Code-switching occurs when a speaker of two distinct languages switches between the two in conversing with another person who…

1 educator answer

**MACBETH**

**Why is King Duncan unhappy with the Thane of Cawdor?Why is King Duncan unhappy with the Thane of…**

I assume that you are talking about what happens in Act I, Scene 2. This is where Duncan is really quite mad at the Thane of Cawdor — enough so that he has him executed. The reason why King…

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**THINGS FALL APART**

**What role does weather play in the Things Fall Apart?**

In Things Fall Apart, Unoka, Okonkwo’s father, loves the weather and the changing of the seasons because he is an artist, not a farmer. Okonkwo, though, wrestles with the weather like he wrestles…

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**SOCIAL SCIENCES**

**Find someone who speaks a dialect that is different from yours.Then list some of the regular…**

This sounds like an intriguing assignment, especially to me as I’m fascinated with languages and their development. First, let’s take a look at the formal definition of dialect in order to better…

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**A MIDSUMMER NIGHT’S DREAM**

**What is the significance of the play’s title?**

Quite a bit has been written about this title, and I suppose there are several subtle and surprising things that can be gleaned from it. There are a few clues, linguistically, that the title gives…

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**CATHEDRAL**

**choose a theme (e.g. coming of age, good vs. evil)what is the theme of cathedral by raymond casrver**

In the story “Cathedral” by Raymond Carver a variety of elements of short fiction contribute to theme. Raymond Carver uses a great variety of elements to render a theme that all members of society…

**THE SOUND AND THE FURY**

**Where is there an example of stream of consciousness scenes in Faulkner’s The Sound and the Fury?**

Your best examples of the stream of consciousness technique will come from the first two sections: Benjy’s and Quentin’s. Benjy is mentally challenged, and as such he has no true concept of time….

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**GEORGE ORWELL**

**What is the thesis to “Bookshop Memories” by George Orwell?**

Since “Bookshop Memories” is a reminiscence of a real part of George Orwell’s life, it is true that in one sense the memory is the thesis. In another sense, it might be said that Orwell’s thesis is…

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**MACBETH**

**How does Shakespeare present Lady Macbeth as evil and cunning?**

Your question presumes that Shakespeare portrays Lady Macbeth as evil and cunning; while she does do some pretty awful things, I’d characterize her as ambitious and ruthless. In either case,…

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**A TALE OF TWO CITIES**

**What could be another possible ending for A Tale of Two Cities?What could be another possible…**

How about making Sydney Carton’s vision of the future come true? Carton has a vision in which he sees that Lucie and Darnay will never forget him as they escape to England. Carton’s namesake,…

3 educator answers

**THE GREAT GATSBY**

**How can I compare Othello and The Great Gatsby for a comparative essay?**

One starting place for a comparison between Othello and The Great Gatsby is the mutual theme of corruption. In Othello, Iago is the villain who corrupts perceptions of reality so that realities are…

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**HISTORY**

**What do you believe to be the top three most important events in American History? Who, in your…**

That’s hard to say without criteria as to what’s important, but if I had to choose, I would rank my events like this, assuming American History starts at settlement: 1) Ratification of the…

3 educator answers

**BUSINESS**

**What does it mean if exchange rates have been floated?**

Currencies like Euros and Dollars are traded on the world market all the time, every day. Most countries allow the value of their currency against others in the world to be based on supply and…

1 educator answer

**A SUPERMARKET IN CALIFORNIA**

**Compare “A Supermarket in California” Allan Ginsberg and “A Noiseless Patient Spider” Walt…**

Both poems — Walt Whiman’s “A Noiseless Patient Spider” and Allen Ginsberg’s “A Supermarket in California” — are similar in a number of ways, some more obvious than others. Form and Meter: Both…

1 educator answer

**A CHILD CALLED “IT”**

**I need help on my thesis, please.I have two books that I have to compare; “A Child Called It “…**

Your thesis is centred around the first and third books of Dave Pelzer’s autobiographical account. There are several points that you can explore. Here are a couple of ideas- Pelzer’s work shows us…

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**SCIENCE**

**What is the boiling point of the element barium?I’m trying to make myself a periodic table and I…**

Hi. There are two possibilities from what I can see. The first is that the boiling point of an element can be expressed using different temperature scales and this may be what you are running in…

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**WUTHERING HEIGHTS**

**Explain Catherine as a child in Wuthering Heights?**

When Catherine is a child, she is lively, spoiled, strong-willed. At first, she resents Heathcliff when her father brings him home and both she and her brother refuse to have anything to do with…

1 educator answer

**LITERATURE**

**What are the causes of the decline of Jacobean Drama?**

The decline of Jacobean drama was the result of the victory of the Parliamentarians in the English Civil War. The Round heads beheaded Charles I and his son, Charles II, was exiled. The…

1 educator answer

**MATH**

**Given x^3-4x^2+2x+1=0. There are 2 possible positive roots 1 possible neg. root and 1 possible…**

x^3-4x^2+2x+1=0 Let us substitute with x=1 ==> 1-4+2+1 =0 Then x1=1 is on of the roots for the equation, then (x-1) is a factor; ==> f(x) = (x-1)Q(x) To determine Q(x) we will divide f(x) by…

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**JACQUES DERRIDA**

**What’s the definition of the idea of “play” as developed by Jacques Derrida?**

According to Jaques Derrida, “play” is elemental in the concept of the integrity, the unity, of absence and presence, which are the play of difference. Play is “the disruption of presence.” It is…

1 educator answer

**SCIENCE**

**How can we prevent earthquake?in this question i am asking ways to prevent earthquake and damage…**

There is no way to prevent earthquakes from happening. Since they are caused by the movements of plates that make up the Earth’s crust, they cannot be prevented by any means that human beings now…

4 educator answers

**MATH**

**Find out the solution of the equation sinx = cos ?**

sinx= cos x ==> sinx-cosx=0 Square both sides: ==> (sinx-cosx)^2=0 ==> sin^2(x) -2sinxcosx +cos^2 x= 0 But sin^2 x + cos^2 x =1 and 2sinx cosx =sin2x ==> 1-sin2x=0 ==> sin2x= 1…

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**POETRY**

**In the poem “Night of the Scorpion,” what impact would the incident have made on the child’s…**

There is a specific feeling of helplessness that would have emerged in seeing the effect of the sting on the mother. Death was not instantaneous. It took a long period of time, with villagers…

1 educator answer

**GULLIVER’S TRAVELS**

**What’s the theme of Gulliver’s Travels written by Jonathan Swift?**

That answer is available to you right here on eNotes – see the link below. This work is a political satire disguised as a travel tale. As Lemuel Gulliver travels all over the world, he learns…

1 educator answer

**MATH**

**Solve using analythic methods arcsinx + arccosx = pi/2 if x belongs to [ -1, 1]**

f(x) = arcsinx + arccosx = pi/2 If f(x) equals a constant number , then the derivative of f is zero. Let us verify: f'(x) = (arcsinx + arccosx)’ = 1/sqrt(1-x^2) – 1/sqrt(1-x^2) =0 Then f(x) =…

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**MATH**

**Determine function image where f(x) = x/( 1 + 4x^2 ) f:R->R.**

f(x) = x/(1+x^2). To determine the image set. Solution: We know that f(x) = x/(x+4x^2) is a continuous function. Also f(x) = x/(1+4x^2) = 1/(1/x+4x) is maximum or minimum according as the nominator…

**GUIDE TO LITERARY TERMS**

**What are the definitions for real- realitity, metaphysics and ideology in the context of literary…**

This is a very vast question, I am afraid. I can only touch some basic chords and will expect you to do the reference-work to elaborate the points, I mention. 1. Real-Reality— a) Plato’s Republic…

**MATH**

**Which are the values of the f function f(x) = m/(x + 1) – mx, to increase on the set (-1, infinite )**

f(x) = m/(x+1) -mx To find where the function is increasing, we need to calculate the first derivative, if f'(x) is positive, then the function is increasing for the interval. Let us calculate…

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**LITERATURE**

**What is an apparatus for Foucault and Althusser? What is its connection to institutions?**

Michel Foucault and Althusser are both philosophers, interested in the social operation of power or the circuit of power so to speak. They both study the complexnetworking of power in the social…

**MACBETH**

**Why is King Duncan unhappy with the Thane of Cawdor?**

In Act One, Scene 2, the audience learns that the Thane of Cawdor has committed treason by joining the Norwegian forces against Duncan’s Scottish troops. Duncan is furious at the Thane of Cawdor…

1 educator answer

**MATH**

**Calculate tg 2a if a is a real number so sin a + cos a = 1**

sina + cosa =1 Square both side: (sin a + cos a )^2 = 1 sin^2 a + 2sinacosa + cos^2 a = 1 We know that sin^2 a + cos^2 a=1 ==> 1+ 2sina*cosa =1 ==> 2sina*cosa=0 We know that 2sina*cosa=…

1 educator answer

**HISTORY**

**What social, economic, and political forces motivated Americans to seek ways of controlling their…**

This sounds to me like a question about the time from about the 1820s to the 1840s. This was a time when America’s economy was changing. It was becoming more industrialized and more market-based….

3 educator answers

**MATH**

**If a belongs to R and tg a = 2/5 determine mod(sina).**

We know that (sin x)^2 = [(tg x)^2]/[1 + (tg x)^2] If tg x = 2/5 (sin x)^2 = (2/5)^2/(1+4/25) = 4*25/[25*(25 + 4)] We’ll divide by 25 and the result will be: (sin x)^2 = 4/29 mod (sin x) = 2/sqrt 29

**JOHN DONNE**

**What is the range and variety of imagery in Donne’s poetry?**

John Donne’s poetry is notable for the following types of focused imagery that go beyond the natural order: 1. Union of the male and female (above and beyond the physical) 2. Union of the human…

1 educator answer

**MATH**

**Determine the complex numbers z which verify the relation z +3i = 6z’ if z’ adjoint of z.**

To determine z for which z+3i = 6z’ where z’ is the adjoint of z. Solution: Let z = x+yi, where i = sqrt(-1). So z’ = x-yi. Therefore x+yi+3i = 6/(x-iy). x+(y+3)i = 6(x+yi)/[(x-yi)(x+yi)] =…

**MATH**

**If f is a first grade function demonstrate that fof is strictly growing .**

f(x) i s fist grade function. Then to show that fof is a strictly increasing. Soution: Let the first grade function be of the form: f(x) = ax+b. Then fof(x) = f(ax+b) = a(ax+b)+b = a^2*x + ab+b. To…

**MATH**

**Calculate the graph of the function f(x) = sinx – x + (x^3/6) and the following lines ox, x = 0…**

To calculate f(x) = sinx-x+(x^3/6) at x=0 and at x = pi/2. Solution: Put x = 0 in f(x) and we get the f(0) value: f(0) = sin0 -0+(0^3/6) = =0 When x= pi/2, put x= pi/2 in f(x). f(pi/2) = sin…

**MATH**

**Find out the biggest element in the set { cos1, cos2, cos3 } .**

We need to determine the biggest value among cos1, cos2, and cos3 Since 1 is in the first quadrant, then the cosine is positive, then cos1? 0 However, 2 belongs to the interval (pi/2, pi) =(3.14/2,…

1 educator answer

**MATH**

**Solve for x 16^x – 5*4^x + 4=0**

16^x -5*4^x +4 =0 We know that 16^x =(4^2)^x= (4^x)^2 (4^x)^2 -5*4^x +4 =0 Assume that 4^x=y y^2 -5y+4 =0 Factorize: (y-4)(y-1)=0 y1= 4 ==> y1=4^x1= 4 ==> x1= 1 y2=1 ==> y2= 4^x2 =1…

1 educator answer

**MATH**

**Calculate the real number x>=4, when 2, x-4, x are the consecutive terms of a geometric…**

2, x-4, x are terms of a geometric progression. Then, x-4 = 2r….(1) and x= (x-4)*r…(2) from (2) : x= xr -4r But from (1) we know that x-4=2r ==> r= (x-4)/2 ==> x= x(x-4)/2 -4(x-4)/2…