# What are the componets in the bone that are responsible for the hardness of…

**SCIENCE**

**What are the componets in the bone that are responsible for the hardness of…**

Bones basically begin to form as cartilage. Shortly after, this cartilage is replaced by calcium. This process is called ossification and it takes many years to complete. Ossification occurs when…

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**LITERATURE**

**List the main characters in the book and give a brief description of the role each one plays in…**

jason papparis- corrinthan rug company own first to be affected by the anthrax. jack stapleton- medical examiner main character. laurie montgomery- medical examiner has the case of the…

**THE OUTSIDERS**

**What does Cherry explain as the difference between the Socs and the greasers? no**

To Cherry, the real difference between the greasers and the Socs is that the greasers are more of “real” people with real feelings. To her, the Socs are fake — they do not know how to truly feel…

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**MATH**

**solve for x and y if: y ( j 2 – 2 ) – x j ( j 4 + 3 ) = 2**

If x and y are not real, then we don’t have enough information to answer this question. So, assume x and y are real. Then: y ( j 2 – 2 ) – x j ( j 4 + 3 ) = 2 -2y + 2jy + 4x – 3jx = 2 + 0j The real…

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**GREAT EXPECTATIONS**

**Near the end of chapter 22 in Great Expectations Pip and Herbert talk about “looking about…**

This phrase seems to be an interesting way of saying that they are looking for something useful to do with their time, like a career or hobby, or some small way to stay busy and earn some money for…

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**FAHRENHEIT 451**

**In Fahrenheit 451, what is the Mechanical Hound and what is its purpose?**

The mechanical hound is this mechanism that is used to hunt down and kill people who have in some way violated the laws of the society. It is made of metal and is called a hound even though it has…

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**LAW AND POLITICS**

**Can one face charges for using the U.S. Mail to send false documents?I am not sending false docs….**

Yes, absolutely, especially if the documents are furthering some criminal enterprise. It then turns into mail fraud because you used the post to facilitate or enable some illegal activity. Further,…

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**GREAT EXPECTATIONS**

**In Great Expectations what first attracts Pip to Estella and then later attracts him when he…**

Pip, having grown up in rather humble circumstances with a rough sister as a mother and working-class surroundings, is dazzled by Estella’s beauty and grand circumstances. She is a beautiful young…

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**LAW AND POLITICS**

**What are some of the important roles of Congress today? and how do they differ from the early…**

I actually don’t see much in way of differences between the founders’ vision of Congress’ roles and the modern setting. It’s not as if the roles of Congress have been greatly redefined since the…

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**LAW AND POLITICS**

**Do you think that Congress is failing America & how would you go about getting congress back on…**

I have to say, I don’t think Congress is necessarily failing America. America might be failing Congress. Let me explain: The current set up of both houses makes it imperative to get re-elected….

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**INTO THE WILD**

**What is the context of Into the Wild?**

Rather broad question, but here goes: Krakauer’s interest in the story likely grew out of his own desire to challenge cultural norms, particularly when it came to taking on challenges of the great…

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**THE GIRLS IN THEIR SUMMER DRESSES**

**What is the conflict in “The Girls in Their Summer Dresses” by Irwin Saw?**

The central conflict in Irwin Shaw’s “The Girls in Their Summer Dresses” exists between Michael Loomis and his wife of five years, Frances. A conflict is “the struggle between opposing forces.” The…

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**THE KITE RUNNER**

**In The Kite Runner, how does Amir feel when he realizes he and Baba are alike, and how is it both…**

Amir was shocked about hearing of his father’s secret, and became very irate, even storming out on his longtime friend Rahim Khan, who was dying. Amir refers to an old cliche a writing teacher…

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**HISTORY**

**Describe the end of the first party system in the late 1810’s and the beginning of the second one…**

THe end of the first party system occurred after the war of 1812 and strangely left the country with only one party, the “Democratic Republican” party. The rise of the second party system coincided…

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**GUNS, GERMS, AND STEEL**

**Besides maintaining the status quo of kleptocracy, how else does religion in a practical sense…**

In my copy of the book, the best place to find this answer is on p. 278. There is a paragraph right before the section break on that page that explains it. Diamond says that there are two reasons…

2 educator answers

**A RAISIN IN THE SUN**

**In A Raisin in the Sun, why does Beneatha attack Assagai’s dream about Africa?**

I believe that Beneatha does so for a couple of reasons. First Asagai makes Beneatha realize that she is self-centered. While Asagai dreams of returning to his homeland and making it a better…

1 educator answer

**BEOWULF**

**What is the moral of the story?**

I think the first answer certainly is not wrong. I’m merely going to suggest an alternative. Because Beowulf is a classic epic – a tale of a hero, with specific super-human heroic qualities…

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**TO BUILD A FIRE**

**What flashback occurs in “To Build a Fire”?**

As the man comes to severe difficulty after falling in the water and struggling to light a fire, he thinks back repeatedly to the old man at Sulphur Creek. He had had a conversation with them man…

1 educator answer

**GUNS, GERMS, AND STEEL**

**In “Guns, Germs, and Steel”, Chapter Two, how did each of the six environmental factors affect…**

There were six environmental factors that affected the Polynesians. These were island climate, geological type, marine resources, area, terrain fragmentation, and isolation. The island climate…

**MATH**

**How to prove if 2 lines are parallel or coincidental? d1: 5x+3y-4=0 d2:10x+6y-7=0**

d1: 5x + 3y – 4 = 0 d2: 10 x + 6y – 7 = 0 Let us find the ratio d2/d1: If d1 and d2 are coincidental, then: a2/a1 = b2/b1 = c2/c1 10/5 = 6/3 = -7/-4 2 = 2 = 7/4 Then d1 and d2 are not…

1 educator answer

**MATH**

**Calculate the sum sin120+sin170+sin190+sin240**

sin 120 + sin 170 + sin 190 + sin 240 = Let us rewrite: sin (180-60) + sin (180 – 10) + sin (180+10) + sin (180 + 60) sin(180 – 60) = sin 60 in 2nd quadrant ( positive) sin (180 – 10) = sin 10…

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**MATH**

**Given the terms 2,3x+4,12, which are the terms of AP calculate x.**

2, 3x+4 , 12 are terms of A.P a1 = 2 a2 = 3x + 4 a3 = 12 We know that: a2 = a1 + r ==> 3x + 4 = 2 + r……..(1) Also: a2 = a3 – r ==> 3x + 4 = 12 – r……….(2) Now let us add (1) and…

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**MATH**

**Calculate a1+…+a100, a1…a100 are terms of A.P. and a1=2, a2=4.**

a1 + a2 + …+ 100 is an A.P a1= 2 a2 = 4 But a2 = a1 + r ==> 4 = 2 + r ==> r= 2 ==> a100 = a1 + 99r= 2 + 99*2 = 200 ==> A.P is : 2, 4, 6, 8, …., 200 S100 = 2+ 4 + 6 + ….+ 200 We…

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**RUMBLE FISH**

**What is the main conflict in the novel Rumble Fish?**

The primary conflict in Susan E. Hinton’s novel, Rumble Fish, concerns the relationship between Rusty-James and his brother, The Motorcycle Boy. The Motorcycle Boy has attempted to leave his former…

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**MATH**

**Determine a function f(x) =ax+b if the graph passes through A(-1;1) and forms with axis a…**

First, we’ll use the info that the graph passes through the point A. A belongs to the graph if and only if f(-1) = 1 f(-1) = -a + b -a + b = 1, so b = 1+a Now, we’ll operate the ox intercepting:…

**MATH**

**Verify d1 and d2 are coincidental. d1:2x+3y-1=0; d2:4x+6y-2=0.**

d1: 2x + 3y -1 = 0 d2= 4x + 6y -2 = 0 Let us factor 2 in d2: d2: 2(2x + 3y -1) = 0 We notice that d2 = 2*d1 That means that d1 and d2 has the same coordinates. Then d1 and d2 are coincidental.

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**GUNS, GERMS, AND STEEL**

**In chapter 2 of “Guns, Germs, and Steel”, what geographic region of the world are the Polynesian…**

I do not think that geographic region is the correct term here. Of course, all Polynesians live in the Pacific Ocean and not in any other region. I think what you are asking about is what kinds…

1 educator answer

**MATH**

**Which is the relative position of d1 and d2 if d1 : x – y + 1 = 0 and d2 : x + y – 3 = 0**

d1; x-y + 1 = 0 d2: x+ y -3 = 0 Now we need to see if d1 and d2 intersect at certain point which is the solution for both equations: Let us add both equations: ==> 2x -2 = 0 ==> 2x = 2 ==>…

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**MATH**

**Determine f(x) if f(3x+2) = 27x^3 + 30x + 9?**

f(3x+2) = 27x^3 + 30 x + 9 Let y = 3x + 2 ==> x = (y-2)/3 Now substitute: f(y) = 27[(y-2)/3]^3 + 30 [(y-2)/3] + 9 f(y) = 27(y-2)^3 / 27 + 10(y-2) + 9 = (y-2)^3 + 10(y-2) + 9 Let us open…

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**MACBETH**

**In William Shakespeare’s Macbeth, what is the significance of Act I, Scene 1?**

The opening scene of Shakespeare’s Macbeth, as all opening scenes do, acts as the exposition. As such, the introduction of the three sisters is significant. They declare, “Fair is foul, and foul…

1 educator answer

**AS YOU LIKE IT**

**Describe the love between Orlando and Rosalind in As You Like It.**

Shakespeare considers the nature and manifestation of Love in all of his comedies. Love was a big issue in his day, because the idea of marrying someone for love (rather than to create an alliance…

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**MATH**

**If a,b,c are in the interval [2,3] , prove that a+b+c+6(1/a+1/b+1/c)=<15.**

It is obvious that for any value of x, that belongs to [2,3], the inequality below still stands: (x-2)(x-3)=<0 We’ll remove the brackets: x^2 – 3x – 2x + 6 =< 0 We’ll combine like terms: x^2…

**SOCIAL SCIENCES**

**Explain what Erikson meant by “achieving a clear sense of personal identity,” and why is this so…**

Achieving a clear sense of personal identity means knowing who you are/want to be, and what your place in society is/will be. In Erikson’s stages of identity this takes place in the teenage years…

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**MATH**

**Calculate the length of the radius of the circumscribed circle to triangle ABC if C=pi/6 and AB=6.**

We have the triangle ABC where AB = 6 and the abgle C = pi/6 Since the circle if cirumscribed to the triangle, then : < ACB = (1/2) < AOB pi/6 = (1/2) < AOB ==> AOB = 2*pi/6 = pi/3…

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**MATH**

**Given the vectors a=mi+3j and b=(m-2)i-j, determine m in case of a and b are perpendicular**

We’ll write the vectors a and b in the standard form: a= xa*i + ya*j b = xb*i + yb*j The constraint for 2 vectors to be perpendicular is: xa*xb + ya*yb = 0 Now, we’ll identify xa,xb,ya,yb from the…

**THE BOOK THIEF**

**In The Book Thief what is the effect of action and suspense on your emotions?**

The Book Thief is an interesting book because the narrator, Death, gives away some things that are going to happen. For example, pretty early on in the novel, we know that Rudy is going to die….

1 educator answer

**MATH**

**Determine the coefficients a and c of f=ax^2+x+c if A(1,2) and B(0,3) are on the graph of f .**

The point A belongs to the graph of f, if and only if it’s coordinates verify the expression of f. f(1) = 2 f(1) = a*1^2 + 1 + c a+1+c = 2 a+c = 1 The point B belongs to the graph of f, if and only…

**MATH**

**In triangle ABC B=pi/6 and C=pi/4. Verify if AB/AC=2^1/2.**

To check if the given value for the ratio AB/AC is true, we’ll have to apply the sine theorem: AB/sin C = AC/sin B = BC/sin A = 2R But the values of the angles,B and C are given, so we can…

**MATH**

**Find x if 2^x+2^(x+1)+2^(x-1)=56**

We’ll write the terms 2^(x+1) and 2^(x-1) in a convenient way: 2^(x+1)=2*2^x 2^(x-1)=2^x/2 Now, we’ll re-write the equation: 2^x + 2*2^x + 2^x/2 = 56 We’ll factorize and we’ll get: 2^x(1+2+1/2) =…

**A SEPARATE PEACE**

**In A Separate Peace, why won’t Finny lie about his height?**

The discussion about height is found in Chapter 1, early in the flashback. Gene says he and Finny were the same height, five feet eight and a half inches. Gene adds that he himself had been…

1 educator answer

**MATH**

**Solve the equation cos2x+sinx=0**

To solve the equation, we’ll try to write it using just a single function. We’ll write cos 2x = cos (x+x) = cosx*cosx – sinx*sinx = (cos x)^2 – (sin x)^2 We’ll substitute (cos x)^2 = 1 – (sin x)^2…

**MATH**

**Given that d1 parallel to d2, d1:x+2y=6 and d2:2x+4y=11 , determine the distance between d1 and d2 .**

First, we’ll try to identify a point located on d1. We’ll put x = 0 in the equation of d1 and we’ll get: 0+2y=6 2y=6 y=6/2 y=3 So, the point located on d1 is A(0,3). We know that the distance…

**GUNS, GERMS, AND STEEL**

**From Guns, Germs, and Steel, how and why did technology developement differ from one place to…**

It is said that necessity is the mother of invention. How true. As humanity developed, our ancestors invented what they needed. Natural resources, of course, played an obvious role. In early…

1 educator answer

**MATH**

**Given that a belongs to (pi,3pi/2) and sina=-4/5 calculate tan(a/2).**

If the angle a is located in the third quadrant, that means that the values of the functions sine and cosine are both negative. First, we’ll write the formula for tg(a/2): tg(a/2) = sin a/ (1+cos…

**THE CHRYSALIDS**

**In The Chrysalids, in Chapter 2, how are David and the others’ secret connected to the sayings on…**

The signs you refer to actually appear in Chapter 2, and not just in the kitchen, but in the big room in the Storm’s house. Note how important these “truths” are to this community, that such signs…

1 educator answer

**MATH**

**Find the distance from the point A(1,1) to the line d : 5x + 12y – 4 = 0 .**

We have the point A(1,1) and the line 5x + 12 y -4 =0 We knwo that thwe distnce between a line an a point formula is: d = l x1*a + y1*b + c l / sqrt(a^2 + b^2) Now substitute: ==> d= l 1*5 +…

1 educator answer

**MATH**

**Which is the value of m so that the vectors u and v are collinear. u=(m+1)i + 8j and v=(m-1)i – 4j.**

u = (m+1)i + 8j v= (m-1)i – 4j In order for u and v to be collinear, then: xu/xv = yu/yv = n Now substitute: (m+1)/(m-1) = 8/-4 = -2 Now cross multiply: -2(m-1) = m+1 -2m + 2 = m+1 3m = 1 ==> m…

1 educator answer

**GREAT EXPECTATIONS**

**Why does Pip decide against confiding his heartache to Mr. Pocket in Chapter 33 of Great…**

After spending some time with Estella in the beginning of Chapter 33, Pip is, once again, tortured with love for Estella (who has, despite knowing him for many years, called him by name for the…

2 educator answers

**THE BIBLE**

**How do we know not to take this story literally. Can truth be communicated through fiction?The…**

First of all, a parable is, by definition, fictitious. For, it is defined as a narrative that illustrates a moral or religious lesson. Differing from a fable that can employ humans, animals, even…

6 educator answers

**GUNS, GERMS, AND STEEL**

**In the Epilogue Diamond restates his original question and sums up his major points. What is he…**

To get a detailed answer to this question, look at the last two pages of the book. This is where he lays out his argument with regard to looking at human history as a science. What he is saying is…