# Homework Help

We’ve answered 395,902 questions. We can answer yours, too.

eNotes Homework Help is a way for educators to help students understand their school work. Our experts are here to answer your toughest academic questions! Once it’s posted to our site, your question could help thousands of other students.

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

• Math
In the equation y= - 4 sin ` x/2` the amplitude is represented by the -4 as the standard equation is `y=a sin x` In the equation y=4 sin 4x the amplitude is therefore represented by the 4. The...

Asked by user2637494 on via web

1 educator answer.

• Math
Using binomial thereom we can say; `(ax+b)^5` = `sum_(r=0)^(r=5)` `^5C_r(ax)^rb^(5-r)` The coefficient of x^3 is given when r = 3 coefficient of `x^3 = ^5C_3xxa^3xxb^(5-3) = 10a^3b^2` `4320 =...

Asked by xdsmith on via web

1 educator answer.

• Math
`log_(b)[(x^3sqrty)/((z+1)^4)]` Expressing radical in the form of exponent we get` log_b[(x^3*y^(1/2))/(z+1)^4]` using the quotient property `log_b(x/y)=log_b(x)-log_b(y)`...

Asked by user354582 on via web

• Science
The specific heat value that you have provided is wrong for both glass and water. `c_(pw)= 4.187 J/(gC)` ` ` `c_(pg)= 0.84 J/(gC)` heat lost by glass = heat gained by `H_2O`...

Asked by jokojoko on via iOS

1 educator answer.

• Law and Politics
Subject-matter jurisdiction is the requirement that the court have power to hear the specific kind of claim that is brought to that court.(Cornell Law) Subject-matter jurisdiction may be...

Asked by leon2112 on via web

1 educator answer.

• Math
The value of a and b has to be determined given that 3a + 2i = (3 + 4bi)^2 3a + 2i = (3 + 4bi)^2 => 3a + 2i = 9 - 16b^2 + 24bi equate the real and complex coefficients => 9 - 16b^2 = 3a and 2...

Asked by asicannot on via web

1 educator answer.

• Law and Politics
A party may file for a summary judgement after one side of the complaint has presented all the facts and compared all the facts from both sides of the dispute, then argued that "there are no...

Asked by ltacher on via web

1 educator answer.

• Math
The equation of the horizontal tangent to the curve y = 3x^2 - 14x has to be determined. The slope of the tangent to a curve f(x) at any point where x = a is given by f'(a). If the tangent is...

Asked by lxsptter on via web

1 educator answer.

• Math
The roots of the equation z^2 + z + 1 = 0 are `z_(1,2) = (-1 +-sqrt 3*i)/2` `z_1 = (-1 +sqrt 3*i)/2` `(z_1)^4 = ((-1 + sqrt 3*i)/2)^4 = (-1 + sqrt 3*i)/2` `(z_1)^4 + 1/(z_1)^4 = (-1 + sqrt 3*i)/2...

Asked by econominty on via web

3 educator answers.

• The Night Thoreau Spent in Jail
Henry's dream serves as a catalyst for his new philosophy about change. Prior to the dream, Henry believes that he can impact social change by remaining apart from society in his refuge at Walden....

Asked by user9953447 on via web

1 educator answer.

• Social Sciences
This is certainly true of multicultural societies much more than it is true of societies in which the vast majority of people are of one culture. This does not mean that multicultural societies...

Asked by anitaanaya1234 on via web

1 educator answer.

• Black Beauty
The main purpose of Anna Sewell's writing of her novel Black Beauty was to bring public attention to the cruel practice in Victorian times of the restrictive "bearing rein" which forced horses'...

Asked by gulcan61 on via web

1 educator answer.

• Business
No, I do not believe that an in-depth background check is necessary for every applicant for every job at every company. Of course, this depends to some degree on what you mean by an in-depth...

Asked by ranger1980 on via web

1 educator answer.

• Math
Since the velocity is not constant, solve for the average velocity. `bar(v)=(v_f+v_i)/2` `bar(v)=(60+20)/2=80/2=40` Then, apply the formula: `bar(v)=d/t` where d - displacement and t - total time....

Asked by user1084003 on via web

1 educator answer.

• Math
To solve for z, plug-in the value of f(z).`5=|2z+3|` Then, apply the property of absolute value which is if |x|=a, then `x=+-a` .So removing the absolute value sign results to:`+-5 = 2z + 3` Then,...

Asked by mattlimey on via web

1 educator answer.

• The Crucible
I don't see Tituba as someone who actively seeks to lead the girls into witchcraft or convert them into being witches. Rather, I see her as someone who has little in way of social identity. She...

Asked by nlr040895 on via web

1 educator answer.

• Math
Is this a trick question? I tried every factoring I could find of 3.5 and .1, but none of them would give me 3.2 when I FOILed to check my answer. I resorted to using the Quadratic Formula, and I...

Asked by loishy on via web

1 educator answer.

• Science
Most oceanic trenches form in subduction zones. A subduction zone is where one tectonic plate slides under or subducts beneath an adjoining plate. The trench forms immediately above the...

Asked by user9272778 on via web

1 educator answer.

• History
I hold more sympathy for Macbeth than I do for Mubarak. I would be willing to accept that Macbeth was good in nature prior to crossing that line into moral depravity. I think that the fact that...

Asked by hozaien on via web

1 educator answer.

• Science
(a) Given radius of the orbit (r)=4.6x10^7 m Gravitational force(F)=228 N. Let mass of the earth be M and mass of the satellite be m. Then by the Newton's law of gravitation force F...

Asked by tayaah on via web

1 educator answer.

• Science
Let us say the datum is at the level of umpires hand. Using equations of motion under gravity for the travel of coin comes to max height. `uarrv^2 = u^2+2gS` `S = (v^2-u^2)/(2g)` `S =...

Asked by nasirjam on via web

1 educator answer.

• The Great Gatsby
Earlier in Chapter One, Nick describes Tom Buchanan as having a "rather hard mouth and a supercilious manner." Later, in the passage cited above, Tom's haughtiness is demonstrated as he responds to...

Asked by coutelle on via web

1 educator answer.

• Social Sciences
The main advantage of money over barter is that money is always going to be usable. Barter is very often not possible. This is because of the need for what is called a “coincidence of wants”...

Asked by yemawe52 on via web

1 educator answer.

• History
According to World Book Encyclopedia, the Sahara is the world's Largest Desert at 3.5 million Sq Mi. However, technically all of Antartica's 5,100,000 Sq Mi is desert too, as its annual...

Asked by luisespinoza57836 on via web

1 educator answer.

• Math
Given `x^2+y^2=34` `xy=21/2` To find value of `2((x+y)^2+(x-y)^2)` We know `(x+y)^2=x^2+y^2+2xy` `(x-y)^2=x^2+y^2-2xy` therefore `(x+y)^2=34+2xx21/2` `=34+21` `=55` `(x-y)^2=34-2xx21/2` `=34-21`...

Asked by pkgslg on via web

• Stare Decisis
This phrase comes from Latin and means something like “let the decision stand.” It is a general principle of law in the United States as well as in other countries. What it means is that once...

Asked by ltacher on via web

1 educator answer.

• As You Like It
In many ways, As You Like It is a satire of the pastoral genre. To create the satire, Shakespeare makes use of and portrays the ridiculousness of many conventions found in the genre, such as the...

Asked by prak10 on via web

1 educator answer.

• Fathers and Sons
Setting is the time and place of the work. It includes historical events and the cultural backdrop. In this case, you need to look at where the story took place. In Russia in the mid-1800's,...

Asked by user289692 on via web

1 educator answer.

• Math
Given function is `z=w^(3/2)(w+ce^w)` . Differentiating with respect to w we get `dz/(dw)=d/(dw){w^(3/2)(w+ce^w)}`...

Asked by carrawaych on via web

1 educator answer.

• Science
The products are shown in the following scheme: + 2CH_3COOH Ba^2+ + CO_3^2- ---> BaCO3 (s) ---> Ba(CH3COO)2 (aq.) + H2CO3 --> H2O + CO2(g)...

Asked by spock5 on via web

• Business
Since the recruitment and hire of an expatriate is a significant expenditure, organizations should have a plan of action that would maximize the likelihood of an expatriate's success. One part of...

Asked by granny54 on via web

1 educator answer.

• Math
We know that the college decides the suspend classes at the point were 60% of the students are ill. So, we will first take the 60% of the number of students. So, we take the 60% of 6000. 60% of...

Asked by andrewmezzo on via web

1 educator answer.

• Warring States Period
The "Warring states period," which lasted from about 500 to the 200s b.c.e., ushered in considerable social change and intellectual ferment in China. Perhaps the most important ideology to emerge...

Asked by user9290616 on via web

1 educator answer.

• Business
An investment banker is " an individual who works in a financial institution or investment arm of a corporation who is responsible for raising capital" or involved with the associated research and...

Asked by Mizdee on via web

1 educator answer.

• She Stoops to Conquer
One of the factors that strongly indicates that Marlow and Kate will enjoy a happy and productive marriage is the way in which Kate has seen the best and worst of Marlow. Thanks to her disguise,...

Asked by rozh on via web

1 educator answer.

• Ajax
Sophocles wants to communicate the dangers of hubris through Ajax' characterization. A strong warrior, it is pride that ends up ruining Ajax. He believes himself to be the best warrior, worthy of...

Asked by dominiquebeuk on via web

1 educator answer.

• Math
The equation of the tangent to `f(x) = sqrt(x + 4)` at x = -2 has to be determined. The value of the derivative of f(x) at x = -2 gives the slope of the tangent. `f'(x) = 1/(2*sqrt(x+4))` . `f'(-2)...

Asked by amanda-panda on via web

3 educator answers.

• Math
Let us say you can care X number of dogs and Y number of other pets per day. It is given that you can care at most 10 pets per day. This means the maximum number of pets you can care is 10. The...

Asked by panda199814 on via web

1 educator answer.

• Marriage and Divorce
The main goal of any romantic relationship is to achieve a situation in which you and your partner live together for the rest of your lives. Usually, this would be done in the context of a...

Asked by readeal3 on via web

1 educator answer.

• Forensic Science
Forensic science is a wonderful development and its contribution to humanity is multi-faceted. It helps solve so many problems in human life, particularly in the detection of mysteries relating to...

Asked by kc76384 on via web

• Science
There are many advantages to using satellites that span a wide range of purposes such as communication, military, entertainment, navigation, and meteorology. Without communication satellites, for...

Asked by honeybunny27 on via web

1 educator answer.

• Math
You need to convert the given parametric form of equation of the line into cartesian form, such that: `x = 11 + 3t => x - 11 = 3t => t = (x - 11)/3` `y = 2 + 0*t` You need to substitute `(x...

Asked by yoory08 on via web

1 educator answer.

• Business
HITIS which stands for the Hospitality Industry Technology Integration Standards is a project with the purpose of recognizing and standardizing general function, processes and common interfaces...

Asked by sta112 on via web

1 educator answer.

• The Red Badge of Courage
Most soldiers are afraid of battle, even if they pretend they are not. One of the main themes of the book is that everyone is afraid. Courage does not mean not being afraid; it means working...

Asked by user1830170 on via web

1 educator answer.

• Poetry
In "Enter Without So Much as Knocking," the contemporary poet Donald Bruce Dawe creates an impression of a suburban family that is materially well-provided for, but spiritually empty. The poem...

Asked by tamanimat on via web

1 educator answer.

• Trifles
Ironically, the women are inconsequential in the beginning of Glaspell's play; in fact, they are simply brought along with their husbands and seem reluctant to enter the farmhouse in which a murder...

Asked by babypiggy on via web

1 educator answer.

• Science
The reaction of `Cu^(2+)` ion with `NH_3` draws some complication since `NH_3` has lone pairs and is considered as electron donor. On the other hand, `Cu^(2+)` has vacant orbitals which can...

Asked by spock8 on via web

1 educator answer.

• Coming of Age in Mississippi
Interestingly enough, I think that Moody would suggest that it was the very idea of "coming of age" idea that helped to spark the Civil Rights Movement. Certainly, the same institutional barriers...

Asked by heslop16 on via web

1 educator answer.

• The Great Gatsby
You need to spend time making some decisions and doing some planning for your composition. It might be easiest to start with the location for your story. What is a type of environment that you...

Asked by paulinatmm on via web

1 educator answer.

• Health
"The ovaries are two small organs... located in the female pelvis. They are attached to the uterus, one on each side, near the opening of the fallopian tube." Each ovary contains "about 1-2 million...

Asked by anat-n-phys on via iOS

1 educator answer.

Showing 221951–222000 of 266,220