# Homework Help

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### Showing All Questions Answered Popular Recommended Unanswered Editor's Choice in All Subjects Literature History Science Math Arts Business Social Sciences Law and Politics Health Religion Other

• History
Medieval bowyers, or fletchers, were very important members of society. At a time when warfare was the norm, bow and arrows were in high demand. The Medieval fletcher would wake up before dawn to...

Asked by rootsnattypr on via web

• Literature
The title of author Thomas Dyja's book The Third Coast consists of an informal term used to speak of any coastal region other than the West Coast and East Coast of the United States. Since coastal...

Asked by enotes on via web

• To Build a Fire
The natural setting of the brutal arctic conditions of the Klondike, conditions which are indifferent to the presence of a man, express Naturalism, a literary movement among novelists who viewed...

Asked by seabronr on via web

• The Doll's House
In Mansfield's "The Doll's House," the Burnell children are not allowed to associate with the Kelvey girls. The Burnell girls are members of the upper-class and a family friend (Mrs. Hay) has sent...

Asked by latoya891006 on via web

• Wuthering Heights
The roots of ambition in Wuthering Heights are present in both Heathcliff and Catherine. Heathcliff, who is taken off the street by Mr. Earnshaw, is mistreated by everyone in the family except his...

Asked by ninjakhan1486 on via web

• The Raven
To state that Edgar A. Poe was very fond of the Gothic mode may sound like a commonplace, since there are myriad of scholarly studies in the subject. What is not so often acknowledged is the fact...

Asked by trevalentine357 on via web

• History
The Progressives’ views on regulating business were that government should regulate business so that businesses could not abuse the people. They felt that businesses used their economic power to...

Asked by mariesme35 on via web

• History
The reason the Third Estate paid all the taxes under the Bourbon monarchy in France is that the kingdom had an inefficient, outdated tax system. Nobles and clergy received many privileges, one of...

Asked by Bern Martinez on via web

• Macbeth
First of all, he demonstrates his arrogance by demanding that the witches answer his questions. One might think Macbeth would express some humility or even cautiousness before these supernatural...

Asked by user7725868 on via web

• The Canterbury Tales
Irony is, generally, the difference between what you expect to happen and what really happens. In the case of Chaucer's "The Pardoner's Tale," from The Canterbury Tales, dramatic irony is used....

Asked by dylanw876 on via web

• Science
Specific heat and latent heat are intensive material properties. Intensive properties are properties of a material which don't vary depending on the amount of mass present. For example, if a block...

Asked by user7978718 on via web

• The Masque of the Red Death
When the striking of the great ebony clock announces midnight, the revelers halt and there is "an uneasy cessation of all things as before," signifying the guests' recognition of the force of time...

Asked by user6484588 on via web

In my view, it does not make sense for employers to be allowed to file grievances, at least if we are talking about grievances filed against workers or the union. This is because the employers...

Asked by dks9 on via web

• Everyday Use
Dee has gone out into the world and become successful. We don't exactly know what all she has succeeded at, but we do know she has had a very good education that her mother has paid for at great...

Asked by user6015404 on via web

• Of Mice and Men
Both Lennie and George are wearing clothing appropriate for traveling ranch workers: denim, black hats, and blankets to sleep on - wherever they happen to rest. The physical descriptions of each...

Asked by themasterragehd on via web

• Literature
All segregation, whether it is residential, social, educational, financial or political, always causes those who are set apart from having equal opportunities and advantages in society. For Walter...

Asked by user2610648 on via web

• The Healers
[First, please note that I have corrected the misspelled character name from “Araba Jessiwa” to Araba Jesiwa.] Literary techniques in the subject of Literature are many and varied because they...

Asked by user3496315 on via web

• Literature
Kill Shakespeare is a 12-issue comic book series created by Conor McCreery and Anthony Del Col with the purpose of helping a large audience better appreciate Shakespeare and to learn more about...

Asked by enotestest on via web

• To Kill a Mockingbird
Sheriff Tate’s expression of “let the dead bury the dead” is another way of saying “put this matter to rest.” In hopes of returning Maycomb back to its normal, everyday routine, Sheriff...

Asked by hanaafaneh on via web

• Math
We have to be careful here because of absolute value sign. We need to know where the function under absolute value changes sign (in the interval of integration), which is at x=pi in this case....

Asked by enotes on via web

• Math
Hello! Find the indefinite integral: int((sqrt(y)-y)/y^2)dy=int(y^(-3/2)-1/y)dy=(-2)*y^(-(1)/(2))-ln(y). Then substitute y from 1 to 4: (-2*4^(-1/2)-ln(4))-(-2)=-1-ln(4)+2=1-ln(4) approx -0.386.

Asked by enotes on via web

• Math
Hello! First find the indefinite integral, int(x/(2)-2/x)dx=int(x/2)dx-int(2/x)dx=(x^2)/4-2ln(x). Then substitute x from 1 to 2: (2^2/4-2ln(2))-(1^2/4-2ln(1))=1-2ln(2)-1/4=3/4-2ln(2) approx...

Asked by enotes on via web

• Math
You need to evaluate the integral, hence, you need to use the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_0^1(5x - 5^x)dx = int_0^1(5x)dx - int_0^1 5^x dx...

Asked by enotes on via web

• Math
You need to evaluate the integral, hence, you need to use the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_0^1(x^10 + 10^x)dx = int_0^1(x^10)dx + int_0^1 10^x...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(u) du = F(b) - F(a) int_(pi/4)^(pi/3) csc^2 theta d theta = int_(pi/4)^(pi/3) 1/(sin^2...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_0^(pi/4)(1+cos^2 theta)/(cos^2 theta) d theta =...

Asked by enotes on via web

• Math
Before evaluating this integral, simplify the expression in the integral using trigonometric identities. The following Pythagorean identity will be useful: tan^2(theta) + 1 = sec^2(theta) Start...

Asked by enotes on via web

• Math
We will make substitution x=t^6. Therefore, the differential is dx=6t^5dt and the new bounds of integration are t_1=root(6)(1)=1 and t_2=root(6)(64)=2. int_1^64(1+root(3)(x))/sqrt x...

Asked by enotes on via web

• Math
Hello! Consider the denominator first: sinh(x)+cosh(x)=(e^x-e^(-x))/(2) +(e^x+e^(-x))/(2)=e^x. Therefore the integrand is equal to 2 and the integral is 2*(10-(-10))=40.

Asked by enotes on via web

• Math
Hello! This integral is a table one, int(dr)/(sqrt(1-r^2))=arcsin(r)+C.   Therefore the definite integral is equal to arcsin(sqrt(3)/2)-arcsin(0)=pi/3-0=pi/3 approx 1.047. =arcsin(r)+C.

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) You need to expand the cube such that: (x-1)^3 = x^3 - 1 - 3x(x-1)...

Asked by enotes on via web

• Math
Hello! (t^2-1)/(t^4-1)=1/(t^2+1). Therefore indefinite integral is arctan(t)(+C). Substitute t from 0 to 1/sqrt(3) and obtain arctan(1/sqrt(3))-arctan(0)=pi/6-0=pi/6 approx 0.524.

Asked by enotes on via web

• Math
We have to be careful because of the absolute value. We need to know where the function under absolute values is positive and when it is negative in the given interval. It is also a good idea to...

Asked by enotes on via web

• Math
Hello! Consider two intervals: (-1, 0) and (0, 2) to simplify |x|: int_(-1)^2(x-2|x|)dx=int_(-1)^0(x-2|x|)dx+int_0^2(x-2|x|)dx= =int_(-1)^0(x+2x)dx+int_0^2(x-2x)dx=...

Asked by enotes on via web

• Math
You need to find the indefinite integral, hence, you need to remember that sec t = 1/(cos t) , such that: int (sec t)(sec t + tan t) dt = int (1/(cos t))(1 + sin t)/(cos t) dt int (sec t)(sec...

Asked by enotes on via web

• Math
You need to find the indefinite integral, hence, you need to remember that 1 + tan^2 x = 1/(cos^2 x) = (tan x)'. int (1 + tan^2 x )dx = int (tan x)' dx = tan x + c Hence, evaluating the...

Asked by enotes on via web

• Math
You need to find the indefinite integral, hence, you need to remember that sin 2x = 2sin x*cos x , such that: int (sin 2x)(sin x) dx = int (2sin x*cos x)/(sin x) dx  int (sin 2x)(sin x) dx =...

Asked by enotes on via web

• Math
You need to evaluate the integral, hence, you need to use the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_(-2)^3(x^3 - 3)dx = int_(-2)^3(x^3)dx - int_(-2)^3 3...

Asked by enotes on via web

• Math
You need to evaluate the integral, hence, you need to use the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_1^2(4x^3 - 3x^2 + 2x)dx = int_1^2(4x^3)dx - int_1^2...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_(-2)^0 ((1/2)t^4 + (1/4)t^3 - t)dt = int_(-2)^0 ((1/2)t^4 dt +...

Asked by enotes on via web

• Math
We will use linearity of integral: int(a cdot f(x)+b cdot g(x))dx=a int f(x)dx+b int g(x)dx. int_0^3(1+6w^2-10w^4)dw=int_0^3dw+6int_0^3w^2dw-10int_0^3w^4dw=...

Asked by enotes on via web

• Math
We have to evaluate the integral: \int_{0}^{2}(2x-3)(4x^2+1)dx=\int_{0}^{2}(8x^3-12x^2+2x-3)dx =[8(x^4/4)-12(x^3/3)+2(x^2/2)-3x]_{0}^{2}...

Asked by enotes on via web

• Math
You need to use the following substitution to evaluate the definite integral, such that: 1 - t = u => -dt = du int_(-1)^1 t*(1-t)^2dt = int_(u_1)^(u_2) (1 - u)*u^2 (-du) int_(u_1)^(u_2) (u...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_0^pi (5e^x+ 3sin x)dx = int_0^pi 5e^x dx + int_0^pi 3sin x...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_1^2 (1/x^2 - 4/x^3)dx = int_1^2 1/x^2 dx - int_1^2 4/x^3 dx...

Asked by enotes on via web

• Math
int_1^4(4+6u)/sqrt(u)du =int_1^4(4/sqrt(u)+(6u)/sqrt(u))du =int_1^4(4u^(-1/2)+6u^(1/2))du =[4(u^(-1/2+1)/(-1/2+1))+6(u^(1/2+1)/(1/2+1))]_1^4 =[4(u^(1/2)/(1/2))+6(u^(3/2)/(3/2))]_1^4...

Asked by enotes on via web

• Math
You need to evaluate the definite integral using the fundamental theorem of calculus, such that: int_a^b f(x)dx = F(b) - F(a) int_0^4(3sqrt t - 2e^t)dt = int_0^4 3sqrt tdt - int_0^4 2e^t...

Asked by enotes on via web

• Math
You need to evaluate the definite integral, such that: int_0^1 x(root(3) x + root(4) x)dx = int_0^1 (x^(1+1/3) + x^(1+1/4))dx int_0^1 x(root(3) x + root(4) x)dx = ((x^(2+1/3))/(2+1/3) +...

Asked by enotes on via web

• Math
You need to evaluate the indefinite integral, such that: int f(x)dx = F(x) + c int (x^2 - x^(-2))dx = int (x^2)dx - int x^(-2) dx  Evaluating each definite integral, using the formula int x^n...

Asked by enotes on via web

int sqrt(x^3)root(3)(x^2) dx Before evaluating, convert the radicals to expressions with rational exponents. = int x^(3/2)*x^(2/3) dx Then, simplify the integrand. Apply the laws of exponent...