# How do you find x in this equation? sqrt(x+11) = sqrt(x)+1

**MATH**

**How do you find x in this equation? sqrt(x+11) = sqrt(x)+1**

For this problem, you are going to square both sides of the equation: (sqrt(x+11))^2=(sqrt(x)+1)^2 Which gives us: x+11 = x+2sqrt(x) +1 We will then subtract both x and 1 from both sides of the…

2 educator answers

**TEACHERS**

**are you for or against teenagers working?why?what do you think of teenagers working? is it…**

I think I would rather not have teens working during the school year. I agree that it is too likely to affect their ability to do well in school and to enjoy their time in high school. I think…

10 educator answers

**REFERENCE**

**Bring out the difference between written English and spoken English?answer in detail**

While there are many differences, I would say that the primary difference lies in the discussion of how much more difficult written English is to learn than spoken English. Both require practice…

1 educator answer

**BUSINESS**

**Who has the highest ranking office within a company, the CEO or the Chairman of the Board?**

Every limited company organization is headed by a board of directors, and the chairman of this board of director is designated as chairman of the company. In this way theoretically the chairman of…

**A ROSE FOR EMILY**

**What are some examples of foreshadowing in “A Rose for Emily”?**

First of all, the story is not told in chronological order, so foreshadowing is a bit difficult to grasp until you’ve read the entire story. You must understand that at the end a decomposed body…

1 educator answer

**JOHN DONNE**

**Is Donne an intellectual realist?DiscussDONNE SELECTIONS FROM GRIERSON’S METAPHYSICAL POETRY?**

It depends upon which Donne. There are two: the early Donne focuses on the physical union of the male and female, while the late Donne focuses on the spiritual union of man and God. Both Donnes…

1 educator answer

**A ROSE FOR EMILY**

**Describe Homer Barron and explain why you think Emily’s attraction to him.**

Homer Barron comes into town from the North in charge of the men paving the sidewalks. The narrator calls him a Yankee – a big, dark, ready man, with a big voice and eyes lighter than his face……

1 educator answer

**A ROSE FOR EMILY**

**Miss Emily’s sanity is called into question. Give a valid example of her inability to cope…**

Consider her reactions to conflict and confrontation: When the mayors and aldermen come to collect the taxes that had once been “remitted” she receives them coldly – then states with finality “I…

1 educator answer

**A ROSE FOR EMILY**

**Give three examples of the town’s inability to deal normally with Miss Emily?**

THE TAX NOTICE. When a delegation of townspeople visited Emily to advise her that she owed property taxes, she told them that the taxes had been perpetually eliminated by a previous mayor (who was…

2 educator answers

**THE PASSIONATE SHEPHERD TO HIS LOVE**

**What is the theme/meaning of ‘The passionate shepherd to his love?’**

“The Passionate Shepherd to His Love,” by Christopher Marlowe, is a beautiful example of pastoral love poetry; that is, it depicts love in a rural, countryside setting. The entire poem is an…

1 educator answer

**RELIGION**

**Why is religion such a powerful force in shaping peoples actions?**

You mean besides the threats or promises of eternal damnation or paradise? Kidding. But those can obviously be pretty big motivators if the person being instructed believes in them and thinks they…

10 educator answers

**THE GREAT GATSBY**

**How is ambition and obsession shown in The Great Gatsby?**

All of Jay Gatsby’s hopes and dreams are depicted for readers through the critical eyes of Nick Carroway. Nick admires the purity, intensity, resilience, and strength of Gatsby’s obsession with…

2 educator answers

**ROMEO AND JULIET**

**Who sees Juliet’s funeral and carries the message of her death to Romeo?**

The answer to this question can be found at the very start of Act V, Scene 1. In that scene, Romeo in in Mantua. He is there because he has been exiled from Verona. This happened because he…

1 educator answer

**MATH**

**Evaluate the expression 4-||14|-11|**

To answer this question, we have to start looking at it from the inside and work our way out. |14| = 14 so the expression then becomes 4- |14-11| 14-11 = 3 so the expression becomes 4-|3| |3| = 3…

1 educator answer

**ROMEO AND JULIET**

**Romeo and Juliet, Act IV Questions? 1.Who discovers Juliet the following morning? 2.How does…**

It is in Act IV of “Romeo and Juliet” that Juliet’s Nurse discovers the cold and limp body of Juliet on the morning that she should marry Count Paris. Immediately after she discovers…

1 educator answer

**ROMEO AND JULIET**

**Romeo and Juliet?FRIAR LAURENCE Hold, daughter: I do spy a kind of hope,Which craves as…**

The context of this statement is that Juliet has already married Romeo. But now her parents are going to force her to marry Paris (they do not know that she has married Romeo). Friar Laurence…

2 educator answers

**SOCIAL SCIENCES**

**How has the government tried to help us out of the current recession? What have they done with…**

If you are talking about the US government, they have done a number of different things to try to get us out of the recession. With regard to monetary policy, the have tried to keep the money…

3 educator answers

**LITERATURE**

**What is the analysis of the word hero? such as the structure.**

The word ‘hero’ comes from Greek mythology and folklore and originates from the word ‘heros’. It originally referred to a demigod. The figure was humanized later as a figure, male or female in…

**THE BLACK CAT**

**What do cats symbolize in “The Black Cat” and “The Cats of Ulthar”?**

Cats symbolize wisdom and justice in both tales. In Poe’s “Black Cat,” the narrator begins by describing his love for creatures. But, “the disease of alcohol” begins to consume him, and he takes…

1 educator answer

**GIRL**

**In the story Girl, by Jamaica Kincaid . What is girl in the story? is she a daughter ,**

Kincaid has by quoted as saying that all of her fiction is based on autobiography, and that her own relationship with her mother has been difficult since Kincaid was nine years old. Thus, in…

**GRAMMAR**

**WE ………………………………. ENGLISH FOR FIVE YEARS.(STUDY)FILL IN WITH SUITABLE…**

The most correct would be to use the present progressive tense, “We have been studying English for five years.” That tense indicates that the action began in the past, but is still continuing. You…

1 educator answer

**SOCIAL SCIENCES**

**hi, i have been in true love with my instructor for 3 years. I cant tell him directly.what should…**

Definitely, listen to the previous responder. Your instructors responsibility is to instruct you and your responsibility is to learn. That is it, nothing more. A relationship between you and your…

6 educator answers

**SOHRAB AND RUSTUM**

**What is the main theme of “Sohrab and Rustum”?I’m having trouble finding the main theme.**

There are a couple of themes that the story “Sohrab and Rustum” addresses. First, the legend certainly discusses the irony of life. For much of his adult life Rustum seeks his long-lost son…

2 educator answers

**HENRY IV, PART I**

**Compare Prince Hal to Hotspur in Shakespeare’s Henry IV, Part I.**

Hal, who is otherwise known as Prince Henry of Wales and the future King of England, is very different from his counterpart, Hotspur. Hal enjoys a good time, and expends his energies plotting…

3 educator answers

**LITERATURE**

**What are some medieval elements in english romantic poetry?**

One of the most important aspects of English Romantic poetry is the opening up of subject matter to other times and people. While 18th cent. poets (e.g., Pope, Swift, Johnson) focused on either…

1 educator answer

**THE HOUSE ON MANGO STREET**

**The House On Mango Street who is the narrator and who is telling the story?**

This has been answered.

1 educator answer

**HISTORY**

**How did the Manifest Destiny play a role in the development of the United States in the 20th…**

First of all, please realize that we did not start either of the world wars. And I’m not convinced that we participated in either of them in order to spread democracy. But that said, if this is…

3 educator answers

**GOOD COUNTRY PEOPLE**

**What is the importance of family in “Good Country People”?**

The importance of family in O’Connor’s “Good Country People” is not central to the story, although family does play a part. Mrs. Freeman (which she isn’t–free, that is: she’s a tenant farmer) and…

2 educator answers

**THE CASK OF AMONTILLADO**

**Please help me write a short paragraph interpreting this quotation.”At length I would be avenged;…**

To me, this is saying that Montresor is not just blindly angry. He is not going to go and get his revenge without thinking. This tells us that he is a cool and calculating man, not some…

2 educator answers

**MATH**

**Demonstrate that f(x) is an increasing function if f(x) = x + cosx .**

f(x)=x+cos x To find if the function is decreasing or increasing we need to determine the derivative. If the first derivative is positive, then the function is increasing. If the first derivative…

1 educator answer

**MATH**

**If 1 + 5^x – (2*25^x) = 0 solve the equation in R .**

1+5^x -(2*25*x)=0 Let us simplify the function: 1+ 5^x – 2*5^2x)=0 Now assume that y=5^x 1+y-2y^2 =0 Now we have a function is the standard formula : 2y^2 -y-1=0 Factorize: (2y+1)(y-1)=0 y1= -1/2…

1 educator answer

**MATH**

**Find two solutions to solve sin15 + sin75 .**

sin15+sin75 Method (1) We know that sinx +siny = 2sin (x+y)/2 * cos(x-y)/2 sin15+sin75 = 2sin(45) * cos (-30) = 2(sqrt(2)/2) (sqrt(3)/2) = sqrt(6)/2 Method (2)…

1 educator answer

**MATH**

**Solve [(9x^2 – 9y^2)/(6x^2y^2)]/[(3x + 3y)/(12x^2y^5)] .**

(9x^2-9y^2)/(6x^2 y^2) / (3x+3y)/(12x^2 y^5) = (9x^2 -9y^2)*(12x^2 y^5) / (6x^2 y^2)(3x+3y) = 12 (3x-3y)(3x+3y)*(x^2 y^5) / 6(x^2 y^2)(3x+3y) Now reduce similar: = 2(3x-3y)*y^3 = 6(x-y) y^3 To…

1 educator answer

**MATH**

**If the function f(x) = (2x)/(x^2 + 1) determine the extreme values of the function .**

f(x)= 2x/(x^2+1) First we will determine the derivative f'(x) Let f(x)= u/v u= 2x ==> u’=2 v= x^2+1 ==> v’= 2x f'(x)= (u’v-uv’) /v^2 = [2(x^2+1) -(2x)(2x)]/( x^2+1)^2 = 2x^2+2…

1 educator answer

**MATH**

**which are the solutions of sin2x = 2sinx?**

sin2x = 2sinx ==> sin2x-2sinx = 0 sin2x= sin(x+x) = 2sinx cos x ==> 2sinx cos x -2sinx=0 Factorize 2sinx ==> 2sinx(cosx-1)=0 Then the sloutions are: sinx=0 or cosx=1 x1= arcsin 0 =…

1 educator answer

**MATH**

**Given that f(x) = ln x – [2(x – 1)/x + 1]. Prove that if x > 1, then ln x > [2(x – 1)/x…**

f(x) = lnx-2(x-1)/x+1] To show that for x>1, lnx >2(x-1)/(x+1). We know that: For -1 < y <1. ln(1+y) = y – y^2/2 + y^3/3 + y^4 /4 ……… -ln(1-y) = y +y^2/2 + y^3/3 +y^4/4 +………

**MATH**

**Solve the equation lg(x + 1) – lg9 = 1 – lg(x) .**

log(x+1)-log9 = 1-log(x) We know that logx-logy= log(x/y) and log10 =1 Substitute: log(x+1)/9 = log10-log(x) log(x+1)/9 = log(10/x) ==> (x+1)/9 = 10/x ==> x(x+1)= 90 ==> x^2+x -90=0…

1 educator answer

**MATH**

**Calculate the value of the expression: (1/1 + i) + (1/1 – i)**

1/(1+i)+1(1-i) To evaluate this, we need a common denominator. The easy way to get a common denominator is to multiply the two denominators together like so: (1+i)*(1-i) = 1+i-i-i^2 Combining like…

1 educator answer

**MATH**

**Determine tg [pi/2 – arctg(1/2)] .**

tg(pi/2 -arctg(1/2) We know that : ctg (x)= tg(pi/2 – x) ==> tg(pi/2 -arctg(1/2)= ctg (arctg(1/2) = ctg(arc ctg (2) = 2

1 educator answer

**MATH**

**If a + b = 5 and a*b = 2 . Calculate the sum (a/b) + (b/a) .**

a+b=5……(1) a*b=2……(2) From (2) : a= 2/b or =2/a Substitute in (1) 2/b +b =5 ==> 2+b^2 =5b ==> b^2 = 5b-2….(3) 2/a+ a =5 ==> 2+a^2 =5a ==> a^2 = 5a -2 ….(4) Add (3) and…

1 educator answer

**MATH**

**Determine the second grade function if f(-1) = 1, f(0) = 1 , f(1)= 3.**

f(x) = ax^2 + bx + c f(-1)= a-b+c = 1 f(0) = c= 1 f(1)= a+b+c=3 Substitute with c= 1 a-b+1 =1 . ==> a=b a+b+1 =3 2a = 2 ==> a=1 a=1 b=1 c=1 Then the function is : f(x)= x^2 +x +1

1 educator answer

**MATH**

**If tg(-x) = 1-2tg(x). Solve the equation in the set [0,2pi).**

tg(-x) = 1-2tg(x) We know that tg(-x)= -tg(x) ==> -tg(x) = 1-2tg(x) ==> tg(x) =1 ==> sinx/cosx=1 ==> sinx =cosx x= pi/4 and 5pi/4 x={pi/4 , 5pi/4}

1 educator answer

**MATH**

**Determine the sum of all natural numbers, formed from two digits, which are divisable by 11 .**

The numbers dividable by 11 are: 11 , 11(2), 11(3), 11(4),…, 11(9) The sum is: S= 11+ 11(2)+…+11(9) = 11(1+2+…+9) We know that 1+2+…+n= n(n+1)/2 = 11(9)(9+1)/2 = 11(45)= 495 S = 495

1 educator answer

**ESSAY LAB**

**An essay on cloning, genetic engeenering and grafting all in one.just an essay with food…**

I am no scientist, but it appears as if you must write an essay about cloning, genetic engineering and grafting with regard to plants, is this correct? Are you looking for a topic related to this,…

1 educator answer

**TO KILL A MOCKINGBIRD**

**What is “circumstantial evidence”? What has it got to do with Toms conviction?this is in chapter 23**

Actually, circumstantial evidence can be both something you see or hear as well as something you can touch. For example, if the defendant in a case owns a gun and that gun was used to kill…

2 educator answers

**THE ONES WHO WALK AWAY FROM OMELAS**

**What is the dark secret of “The One who Walk Away from Omelas” by Ursula K. Le Guin ?**

Essentially, the dark secret in LeGuin’s story is that everyone’s happiness in Omelas is dependent on the abuse and neglect of a child. Consider this line from the enotes summary of the story:…

1 educator answer

**HOWL**

**I am reading Allen Ginsberg’s “Howl” and I have to talk about author’s representation of escapism…**

This poem, a modern epic, is considered a major representation of the work of the Beat poets of the 1950s and 1960s. As such, it is an angry, anti-establishment, anti-democracy, anti-military,…

1 educator answer

**ARTS**

**How can you describe POWERHow can you describe power or by what symbol can you describe power by…**

Power is such a “big” term. Power is a gun when you need to protect yourself. Power is a microphone when you need to speak up for what’s right. Power is money when you have to accomplish a…

2 educator answers

**ROBERT FROST**

**What is the function of nature in Robert Frost’s poetry?**

Most of Robert Frost’s poetry contains images and metaphors from nature, but even Frost once said of himself that he is not a “nature poet.” He says in almost all of his poems there is “a man.” It…

2 educator answers

**POETRY**

**What are the contrasts between the poems : – because i could not stop for death – stop all the…**

The Emily Dickinson poem is the only one of the three that presents death is a positive light. She presents death as a “kindly” person who stopped to pick her up and slowly traveled with her…