# Fnd the values of x where the function y=x^3-3x^2+2 reaches a maximum and minimum, values of the…

**MATH**

**Fnd the values of x where the function y=x^3-3x^2+2 reaches a maximum and minimum, values of the…**

You should know that the function rea = 0ches its maximum or minimum at values of x that represent the zeroes of f'(x). You need to solve for x the equation f'(x) = 0 such that: (x^3-3x^2+2)’ = 0…

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**HISTORY**

**Compare and contrast the experiences of the English who settled Plymouth, versus those who…**

In general, the people who came to New England had a more pleasant life than those who came to Jamestown. They had longer life expectancies, better education, and just an all around better life….

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**SOCIAL SCIENCES**

**What cuisine goes best with Red wine? What cuisine goes best with Red wine?**

It used to be said to pair the color of the meat with the color of the wine. This meant that red meat like lamb, beef, or venison would go best with red wine while turkey and chicken, and most…

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**THE LADY WITH THE PET DOG**

**What is the conflict and plot of the story “The Lady with the Pet Dog” by Chekhov?**

In both Chevhov’s version and Oates’ version, the plot is the same though each is told from a different viewpoint, with a different setting for each. The story deals with Dmitri and Anna (the lady…

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**JULIUS CAESAR**

**How does the quarrel between Cassius and Brutus reinforce a major theme in the play Julius Caesar?**

Brutus accuses Cassius of taking bribes and being greedy. This speaks to the theme of greed within the play. It also relates to the theme of power. Why does Cassius want to take control of Rome?…

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**A BOY AT WAR**

**What happened in the end of the book A Boy at War?I need 5 words.**

In the aftermath of the attack on Pearl Harbor, the Pelkos receive a telegram from the Secretary of War, confirming that “Lieutenant Emory J. Pelko has been missing in action at Pearl Harbor since…

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**MATH**

**Two forces produce a maximum effect when acting at what angle? Two forces produce a minimum…**

We’ll apply the inner product to the vectorial structure of forces. In this type of additional structure, each pair of vectors in the space is associated with a scalar quantity, called the inner…

**MATH**

**Solve the quadratic x^2=9x/2 + 5/2 ?**

We’ll put the quadratic equation under the general form: a*x^2+b*x+c=0, where a,b,c, are the quotients and x is the variable, or unknown. We’ll re-write the equation, moving all terms to one side:…

**MATH**

**Simplify 1. 14(x+8)=112 2. 5x/35 + 3/21 = 16/56 – 9x/21 3. 12x – 100/4 = 36/6 – 7x**

1) To solve the first equation, we’ll remove the brackets: 14x + 14*8 = 112 14x + 112 = 112 We’ll eliminate like terms: 14x = 0 We’ll divide by 14: x = 0/14 x = 0 2) We’ll solve the second…

**HARD TIMES**

**How do Sissy Jupe and Bitzer represents the two opposite values of education?answers expected in…**

Well, Sissy obviously has a learning disability from understanding words to remembering facts all the way to misunderstanding innuendos, and not even realizing that she had been placed in the…

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**MATH**

**Prove (b^2+c^2)/4r^2 – 1 = cos A – cos (B-C) a,b,c=sides of triangle**

We’ll write (b^2+c^2)/4r^2 as: (b^2+c^2)/4r^2 = [(b^2)/4r^2] + [(c^2)/4r^2] We’ll apply the sine theorem: a/ sin A=b/sinB=c/sinC=2r, where r is the radius of the circumscribed circle to the…

**MATH**

**Calculate the expressions E(x)= 1+ sinx + cosx E(x)= sinx – cosx E(x)= 1 – cosx**

For the third expression, we’ll transform the difference of 2 trigonometric function, with the same name, into a product. We’ll write the expression E(x)= 1 – cosx as a difference of 2 function…

**MATH**

**Use the first principle to determine the derivative of the function. f(x) = 5x^3 + 3x^2 – 2x + 15**

According to the first principle of derivation, the derivative of f(x) or f'(x)= lim(h->0){[f(x+h)-f(x)]/h} Here f(x)=5x^3+3x^2-2x+15 f(x+h)=5(x+h)^3+3(x+h)^2-2(x+h)+15…

**MATH**

**Find x if cos3x=-(cosx+cos5x). X is in the interval (0,360).**

cos3x = -(cosx+cos5x) cos 3x = – 2{cos(x+5x)/2 }{ cos (5x-x)/2} cos3x = -2cos3x*cos2x cos3x+2cos3x*cos2x = 0 (cos3x)(1+2cos2x) = 0 cos3x = 0 or 1+2cos2x = 0 cos3x = 0 gives 3x= (2n+1)pi or x =…

**MATH**

**The sum of two numbers is 7 and the sum of the squares of the numbers is 109 . Determine the two…**

Let’s note the 2 numbers are “a” and “b”. So a+b=7 a^2 + b^2=109 But a^2 + b^2=(a+b)^2-2ab So, a^2 + b^2=109 and a+b=7, that means that after subtitution: 109=7^2-2ab 109-49=-2ab 60=-2ab ab=-30…

**MATH**

**Verify if 1/2*(sin u + sin v) = sin [(u + v)/2]*cos [(u -v)/2].**

We’ll consider u as being the sum of 2 angles, x and y, so x+y=u, and v is the difference of the same 2 angles, so v=x-y We’ll add u+v u+v=(x+y)+(x-y) We’ll eliminate like terms y and (-y) and…

**MATH**

**Find the seventh term of a G.P. if the sum of a1,a2,a3=21 and the product of a1,a2,a3 is 216.**

The nth term of a G.P. can be expressed as ar^(n-1), where a is the first term and r is the common ratio. We are given that the sum of a1, a2 and a3 is 21. This means: a+ar+ar^2=21 …(1) Also…

**MATH**

**f is divisible by g . g = ( x – 1 )^3 f = x^4 + ( m – 1 )*x^3 + ( n + 2 )*x^2 + x + p – 3**

f(x) =x^4+(m-1)x^3+(n+2)x^2+x+p^3. g(x) = (x-1)^3. f(x) is is divisible by (x-1)^3. Solution : Since f(x) the 4th degree is divisible by (x-1)^3, w we can write, f(x) as product of (x-1)^3 and…

**KUBLA KHAN**

**Explain lines 25-34 of “Kubla Khan”.**

Lines 25-30 describe the power of the waters of the river that flows through Xanadu. While the opening lines of the poem celebrate Xanadu as a human creation, this passage celebrate the creations…

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**MATH**

**Determine f'(1) , f(x)=(x+5)/(2x+1).**

Given: f(x) = (x + 5)/(2x +1) Let: u = x + 5 v = 2x + 1 Then: f(x) = u/v And: f'(x) = (u’v – uv’)/v^2 u’ = du/dx = 1 v’ = dv/dx = 2 Substituting values of u, v, u, and v’ in equation for f'(x):…

**SCIENCE**

This correct term is protostar not prostar. A protostar is one of the stages in the evolution of stars. This is the stage where a substantial mass has separated from giant gas clouds that lie…

**A&P**

**How can I start writing a thesis statement on theme for the short fiction of “A &P””A&P”…**

The first step in writing a thesis statement for any essay is to determine what will be the focus. If your professor has given you a prompt, use it. If the assignment was left open to you (as in,…

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**MATH**

**Raymond has 245 black socks and 246 blue socks in a pile. How many socks does he have to pull…**

To make a pair Raymond either has to have 2 black socks or 2 blue socks. In the pile there are 245 black socks and 246 blue socks. When Raymond pulls out the first sock it could be a blue sock or a…

**A ROSE FOR EMILY**

I would think that this would depend on the definition of “insane” that you are using when you answer this question. I think that you can argue it either way depending on how you define the term….

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**HISTORY**

**Please compare the atomic bomb with the firebombing techniques widely used throughout World Warr…**

The use of the atomic bomb is still so unique that it is difficult to compare it with more conventional bombing like the fire-bombing tactics used in Europe and in Japan near the end of WWII….

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**HISTORY**

**What was the wisdom of using the atomic bomb on the Japanese at the end of World War II?What was…**

This would obciously depend on who you ask and what perspective you bring to the question? Are you from Japan? If so you might suggest that there was no wisdom to it at all. Many historians have…

6 educator answers

**RULES OF THE GAME**

**What is the tone of “The Rules of the Game” by Amy Tan?**

When thinking about the tone of a short story we can also consider the content of the story to help us determine what tone is adopted. This short story, like “Two Kinds”, features the conflict…

1 educator answer

**MATH**

**I have a probability question explained below.A supermarket product is identified by a 9 digits…**

With 9 digit code we can have numbers 000 000 000 to 999 999 999 or 1000, 000,000 = 10^9 to represent different products. The first 5 digits could be same in 10*10^0 = 10 ways: i.e. 00000,…

**THE TEMPEST**

**Examine the conflict between benevolence and dictatorship in Shakespeare’s The Tempest?**

Since Propsero fancies himself the “ruler” of the island in the play, his relationship with his subjects — Ariel and Caliban — show both sides of his sovereign nature, which hint at aspects of…

1 educator answer

**LITERATURE**

**What is the theme of Premchand’s story “Panch Parmeshwar or Holy Panchayat?”**

The theme of “Holy Panchayat” is the importance of putting justice above one’s own interest. The story deals with two friends, Jumman and Algu. Jumman first has to appear before the panchayat when…

2 educator answers

**BUSINESS**

**Why it is important to examine management from different perspectives and what do you achieve…**

Let’s begin by looking at a school. When you ask a student who is the management, they would probably answer the teachers and the principal. If you asked a teacher the same question the answer…

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**SCIENCE**

**If John and Jane have another child, then what are the chances that they will have another child…**

If John and Jane’s son was born with hemophilia, the son inherited this gene from his mother Jane. It is a sex-linked trait which means that it is transmitted on the X chromosome. The son would…

1 educator answer

**LITERATURE**

**In the story ‘Girls’ by Mrinal Pandey, how does the narrator fight for her rights as a girl child…**

Pande’s work represents the idea that what it means to be a woman in many parts of India, and the world, has to come under extreme analysis. The fact that the book opens with the statement of how…

1 educator answer

**PRIDE AND PREJUDICE**

**How are women represented in Pride and Prejudice?**

Certainly Jane Austen lived and wrote during an era when women were not considered intellectually, politically, nor socially equal to men. This is perhaps one reason she was not famous until after…

2 educator answers

**THE KITE RUNNER**

**How is Sohrab different from the other characters, and how are these differences a function of…**

Sohrab is the young son of Hassan and Farzana, who have been killed by the Taliban. Not only has he witnessed his parents’ execution, but afterwards he was sent to a dismal orphanage where he is…

1 educator answer

**MATH**

**a board is 19 feet long and is cut in to two pieces one piece is 13 feet shorter then the other…**

You need to be very careful understanding the wording when doing word problems. This one does have some tricky wording. When you are solving word problems like this, the first step is to write a…

1 educator answer

**SCIENCE**

**What is nondipping blood pressure?**

When we sleep almost all body functions slow down, the central nervous system slows the heart rate which acts to lower the blood pressure. Normally, while asleep the blood pressure will drop or…

1 educator answer

**BUSINESS**

**Draw up a business plan indicating the practicabilty and the profitability of the business of…**

A business plan has many different parts and often is several pages long. I have written two for actual businesses and they were each 30 – 40 pages long. The main components of a business plan…

1 educator answer

**SCIENCE**

**How do you view science and Technology how they affect life today assess both positive and…**

From a personal point of view, I am surprised and amazed that, in spite of technological advances that have shocked us all, lives have not become easier as promised, but we seem to be ever busier…

3 educator answers

**THE DARKLING THRUSH**

**Please explain the following lines from “The Darkling Thrush” by Thomas Hardy: “The ancient pulse…**

This is perhaps one of Hardy’s most well-known poems. It describes the speaker of the poem looking out across a barren, wooden landscape on one cold evening in winter. The sudden hopeful song of an…

2 educator answers

**SCIENCE**

**I need a science fair project and am not sure what project to do.I would really like to do either…**

There are many different types of science experiments that you could choose from. If you are thinking physics then perhaps you could create an experiment involving wind energy generators. This…

3 educator answers

**TEACHERS**

**In addition to considering literary quality what the other things should a 7th grade teacher…**

First and foremost, is it approved in your district for a group read. Each district tends to have a set of supplemental novels approved at specific levels. If you teach something in 7th grade for…

7 educator answers

**SCIENCE**

Biology is the scientific study of living things that include all plants and animals, and number more than than 2 million species. Living things cover all forms of with certain characteristics that…

**LAW AND POLITICS**

**Within which of the 3 branches of governments (legislative,executive &judicial) do you think the…**

I agree that the Executive Branch is where law enforcement belongs. If you look at the example of the Federal Government, the FBI – our nation’s police force – answers to the Director, who is…

4 educator answers

**SCIENCE**

**What role does magnesium play in health?**

Magnesium is a mineral found in various locations of the body including bones, muscles, and intracellular fluids. Dietary sources of magnesium include fruits, green vegetables, fish, and whole…

2 educator answers

**OTHELLO**

**Analyze the representation of women characters in Othello.Desdemona is given a different kind of…**

Yes, each of the women speak out, but aside from Othello listening to Emilia’s proclamation of Iago’s guilt at the end of the play (when all the damage has been done), none of them are heeded….

1 educator answer

**THE LEAP**

**Help me!The author’s choice of title refers to events in the story, but also has a freater…**

I think the title refers to various metaphorical leaps that the mother has to make in this excellent story. Consider how when lightning strikes the tent Anna needs to make a choice and makes a…

1 educator answer

**GRAMMAR**

**How does one write an “extended passage of dialogue?” Is it by using colon or starting a new…**

Writing dialogue doesn’t have one particular format that is required, but it is important that once you establish your formatting for dialogue, you stick with it. Here’s an example, from a novel…

1 educator answer

**SCIENCE**

**Why do diabetics have poor eyesight?**

Diabetes mellitus (DM) is one of a very few diseases that affects every organ and every organ system. Some individuals with diabetes mellitus who have poorly controlled blood glucose levels will…

2 educator answers

**SCIENCE**

Cerebral compression or compression of brain is a very serious health problem in which there is build up of excessive pressure on the brain. This kind of pressure can be caused by several…