Wednesday

February 22, 2017
Total # Posts: 831

**calculus**

Find the derivative of y=(7x^(1/3))/(x^2+9)

*December 7, 2015*

**calculus**

Find the derivative of 4sinx(6cosx+9sinx) at x=¦Ð/6.

*December 7, 2015*

**calculus**

Use the Trapezoidal Rule to approximate ¡Ò8 4 ln(x2+5) dx using n=3. Round your answer to the fourth decimal place.

*December 2, 2015*

**Chemistry**

Determine the number of moles of N2 that are required to produce 12 mol of NH3 using the equation, N2 + 3H2 --> 2NH3. 12 mol NH3 x 1 mol N2/2 mol NH3 = 6 moles of N2.

*November 29, 2015*

**finite math**

discuss the argument that the y-intercept and the x-intercept should each be represented as separate ordered pairs.

*November 16, 2015*

**Math**

What is the expected number of rolls of both dice until you get a sum that equals 6? I know that p[sum = 6] = 5/36, but how do I find out: E[# of rolls until the sum = 6] = ? Thanks!!

*November 14, 2015*

**Math (algebra)**

Multiply (3x – 7)(3x – 5) A. 9x^2 + 6x + 35 B. 9x^2 + 36x + 35 C. 9x^2 – 36x – 35 D. 9x^2 – 36x + 35 I said it was letter A, but I got it wrong...please help

*November 10, 2015*

**Calculus**

The rate of growth dP/ dt of a population of bacteria is proportional to the square root of t with a constant coefficient of 9, where P is the population size and t is the time in days (0¡Üt¡Ü10). The initial size of the population is 700. Approximate the...

*November 9, 2015*

**calculus**

Evaluate ¡Ò(1+xe^x)/x dx

*November 6, 2015*

**calculus**

Evaluate ¡Ò(9tanxcosx+5)dx

*November 6, 2015*

**Math**

Hmm the answer key says 8.1. I got the same answer you did.

*November 5, 2015*

**Math**

Light passing through water loses 30% of its intensity every metre of water depth. At what depth will the light intensity be half of what it is at the surface? How is it 8.1? I don't know how. Thanks

*November 5, 2015*

**calculus**

A Norman window is constructed by adjoining a semicircle to the top of a rectangular window . (The diameter of the semicircle is the same as the width of the rectangular) If the perimeter of the Norman window is 20 ft, find the dimensions that will allow the window to admit ...

*November 4, 2015*

**Math**

I am given a graph and asked to derive the function from it. The answer key says y=(-3x^2-5)/(x^2-25)- use wolfram to graph for your convenience. I got the asymptotes but the -5 constant I don't get where it came from. Someone explain to me how to get that -5 constant?(I ...

*October 16, 2015*

**Math**

Why do we have to sub it back into the original function to get 0/0? If we got 0/x then it means it's a vertical asymptote right? and what about the oblique asymptote? We don't worry about it then?

*October 15, 2015*

**Math**

What is the: - vertical asymptote -horizontal asymptote -non permissible value of y=(x^2+x-12)/(x+4) ? So this simplifies to a linear function y=x-3. BUT the oblique asymptote is also y=x-3. So does this graph not exist? I am really confused.

*October 15, 2015*

**Math**

What's the volume function?

*October 1, 2015*

**Math**

A rectangular piece of metal with dimensions 14 CMA 24 CM is used to make an open box equal squares of side length X centimeters are cut from the corners and sides are folded up a polynomial function that represents the volume, V,of the box is: V(X)=x(14-2x)(24-2x). Determine ...

*October 1, 2015*

**Math**

500! is divisible by 21. How many times can 21 go into 500! ? The answer key does not simply state 500!/21 times, and my calculator does not have the capacity to compute such a large sum. Thanks!

*September 27, 2015*

**English**

Yes. Is this right?

*September 23, 2015*

**English( HELP!)**

The minority of people live as impotent and comply with the majority; the hesitation no longer exists by the State if the majority of just men breathe prison air. Would this be ok?

*September 23, 2015*

**English(HELP!)**

Ok thankyou. How about the 2nd part that I recently posted?

*September 23, 2015*

**English (HELP!)**

How can I introduce 2 of these quotes with a Full Sentence & a Colon? Quote 1: “A minority is powerless while it conforms to the majority, it is not even a minority then; but it is irresistible when it clogs by its whole weight” (Thoreau 22). Quote 2: “If the ...

*September 23, 2015*

**English(HELP)!!**

Nevermind I meant Henry David Thoreau explained the value of revolution by writing, “ men possess personal rights to reject allegiance to the government, however, the majority of the people feel as if their authority is imaginable” (Thoreau 8).

*September 23, 2015*

**English**

Henry David Thoreau explained the value of revolution by writing, “ men possess personal rights to reject allegiance to the government” (Thoreau 8.) Is this ok?

*September 23, 2015*

**English**

How can I introduce 2 of these quotes with a SUBJECT VERB construction & a COMMA??? QUOTE 1) CITATION> (Thoreau 8). All men recognize the right of revolution; that is, the right to refuse allegiance to, and to resist, the government, when its tyranny or its inefficiency are...

*September 23, 2015*

**Math**

Any 2 points determine a line. If there are 6 points in a plane, no 3 of which lie on the same line, how many lines are determined by pairs of these 6 points? The answer key says 15, and the explanation is (6!)/(2!4!). Could someone explain to me why there is a 6, 2, and 4 ...

*September 21, 2015*

**Math**

A rectangle is inscribed in a circle of radius r. If the rectangle has length 2x, write the area of the rectangle as the product of two functions.

*September 17, 2015*

**Math**

Part a) asked for the equation for the area of rectangle- i got -2x^3+18x. Part b) asked for the equation after a horizontal stretch by a factor of 4- I got the y=2x*(-(1/4x)^2+9).

*September 14, 2015*

**Math**

A rectangle is inscribed between the x-axis and the parabola y=9-x^2 with one side along the x-axis. One side in touchin the x- axis and the opposite two vertices touch the parabola. A) Suppose the point (2,5) is the vertex of the rectangle on the original parabola. Use this ...

*September 14, 2015*

**Math**

A moving company charges $800 plus $16 per hour. Another company charges $720 plus $21 per hour. How long is a job that costs the same amount for both companies?

*August 30, 2015*

**math**

the product of the sum and the difference of two nu8mberts is 105. find the two numbers

*August 14, 2015*

**Physics**

An officer is investigating an accident. A car has struck a pedestrian at a school crosswalk.There are no witnesses to the accident. The officer measures the coefficient of friction at the accident site to be 0.55, and he measures skid marks that are 52m long. What is the ...

*July 26, 2015*

**English**

Could you help me with this guiding question as well please? "The narrative is interspersed with newspaper clippings and excerpts from official government documents. Why does Kogawa include these in her novel? What is their effect?"

*July 9, 2015*

**English**

But how do I get a thesis for a book? Like how should I state my opinion on it? Would my thesis just be- this book excels in perfectly capturing the beauty and harsh realities of this time?

*July 9, 2015*

**English**

Doing a book review assignment for Obasan by Joy Kogawa. It cannot be a typical summary , must be more essay like and have a thesis. I plan on discussing first and foremost a general quick plot summary emphasizing the important and prominent scenes of the book, which will fuel...

*July 9, 2015*

**Geography-~ Cultures**

Despite this discussion... I literally meant.. how would you respond to this topic or about this topic. I was not referring to the punctuation, grammar, and word usage but yes I'll go back to look through any errors.

*June 30, 2015*

**Geography-~ Cultures**

For an assignment, I had to write a discussion so here is my discussion. My question is: How would YOU respond to my discussion in a good college paragraph. With cultural blending and exchange comes a lot of change in a culture. This was acceptable in some areas and ...

*June 30, 2015*

**English Language & Composition**

I literally typed the INTRODUCTION that what was on my paper saying the "Iron Curtain" separated Spain so I'm confused. But either way. the point or question is whether I think Orwell was right in saying that our liberties are in danger now. For my essay, I have ...

*June 25, 2015*

**English Language & Composition**

Basically I need help with understanding what the question is asking? I need clarification on that in order to write my thesis.

*June 25, 2015*

**English Language & Composition**

In this essay there are 6 sources. I would type it out but I doubt that someone will read all the sources to help me out. If you want, I could type every source out. Can someone help me explain what this is asking and how I could make a thesis statement out of it??? Now, the ...

*June 25, 2015*

**math**

country A has a growth rate of 3.8% per year. The population is currently 5,592,000 and the land area of country A is 14,000,000,000 sq yds. Assuming this growth rate continues and is exponential, after how long will there be one person for every sq yd of land?

*June 23, 2015*

**Physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.24 m/s. The car is a distance d away. The bear is 31.1 m behind the tourist and running at 4.50 m/s. The tourist reaches the car safely. What is the maximum possible value for d?

*June 12, 2015*

**Macroeconomics**

(Monetary Control) Suppose the money supply is currently $500 billion and the Fed wishes to increase it by $100 billion. a. Given a required reserve ration of 0.25, what should it do? b. If it decided to change the money supply by changing the required reserve ratio, what ...

*June 2, 2015*

**History**

Can you check over my research paper outline for me please?(excluding intro and conclusion- and u know my thesis already at this point haha) Para 1: Discussion of the drug in book called "Soma" that renders all citizens docile and unemotional(they do not even have ...

*May 30, 2015*

**History**

In Stalin, Hitler, Mussolini, Franko, along with other totalitarian regimes what actions/situations did each of them practise do which relates to any forms propaganda, direct control of citizens, economic control, and implementation of fear? Could you please provide web links ...

*May 30, 2015*

**English(Reed)**

Ms sue what I meant is that history happened, it was not original work of some author.

*May 29, 2015*

**English(Reed)**

Oh and also, I was wondering how I can include parenthetical references for history? My teacher says that anything that is prior knowledge does not need to be parenthetically referred to in my paper, but does history and its fact count for that?(I need at least three for my ...

*May 29, 2015*

**English(Reed)**

Same post, another question :) If propaganda is analogous to soma(body para 1), then what should I establish for the two other examples in my essay? Would the total control of the citizens' genetic, economic, social, and sexual freedoms be analogous to denial of ...

*May 29, 2015*

**English(Reed)**

In addition to examples(maybe it will help you with my request) I can also touch on Hitler's regime when German children were to enroll in youth groups to brainwash the children with the ideas and practices of Nazism.Stalin did something similar with his Great Terror ...

*May 28, 2015*

**English(Reed)**

If propaganda is analogous to soma(body para 1), then what should I establish for the two other examples in my essay? Would the total control of the citizens' genetic, economic, social, and sexual freedoms be analogous to denial of independence/direct control/manipulation(...

*May 28, 2015*

**English(Reed)**

.. continuing our conversation from my other post regarding Brave New World and totalitarianism research paper :) my response to your comment: Thanks for your opinions Reed, I have thought about it and decided on my stance. My thesis is now "The author, Aldous Huxley, ...

*May 28, 2015*

**Management**

Can someone verify my answer please? during a change-planning phase, the change agent communicates information gathered through diagnosis directly to the effected people. this process is called, A. direct feedback B. team building C. evaluation D. sensitivity training My ...

*May 28, 2015*

**English**

Ok I won't change my screen name again, my name is bethany, but I just use beth for short and bella to protect my identity- guess I forgot to do it here haha but its ok :p. And thanks for your opinions Reed, I have thought about it and decided on my stance. My thesis is ...

*May 27, 2015*

**English**

To answer your question, "So, how can we learn anything from Huxley's obvious exaggerations? What is Huxley saying we should guard against?" is it that Huxley wants to exaggerate the corrupt ideals of totalitarian perspectives on social stability and societal ...

*May 27, 2015*

**English**

Does my argument that the legitimacy of his depictions should be critiqued on strong for a research paper on this book?

*May 27, 2015*

**English**

I am writing a research paper on Aldous Huxley's Brave New World on the topic "totalitarian perspectives on societal order, control, and social stability" and how (my thesis- my teacher's assignment)the author's depiction is not particularly accurate, ...

*May 27, 2015*

**Math**

Mr. Lee invested some money. Lost 4% in a stock and gained 3.2% in a bond. Overall he lost 11.2$. If he invested the amount in the stock to the bond vice versa, then he wouldve gained $3.2, how much is in the bond and how much is in the stock? I got: 0.96x+1.032y=x+y-11.2 0....

*May 26, 2015*

**math**

probability of 1/12; one out of twelve chance

*May 26, 2015*

**Math**

Mr. Lee took the $1200 he collected fr chinese new yea and invested some in a 6% bond, and the rest at a 4.5% T-bill. The return for the T-bill exceeded thay from the bond by $12. How much was invested at each rate?

*May 26, 2015*

**Math help**

Mr. Lee took the $1200 he collected fr chinese new yea and invested some in a 6% bond, and the rest at a 4.5% T-bill. The return for the T-bill exceeded thay from the bond by $12. How much was invested at each rate? Thanks!

*May 26, 2015*

**English**

What does the poem "Students" by Tom Wayman mean? I don't understand what the opening lines/sentence means- someone explain? I also don't see the irony of the last stanza either. How is it ironic? I know that it basically shows Wayman and his attempt for ...

*May 26, 2015*

**Math**

If you subtract twelve from twice a number, the result is eight. What is the number?

*May 17, 2015*

**Pre-Algebra Please do Help !!!**

Which function rule represents the data in the table? x= -3,-2,-1,0,1 y= 1,-2,-5,-8,-11 a. y= -3x-8 b. y= 1/3x-8 c. y= 1/3+8 d. y= 3x +8 i don't know if it is b or c

*May 8, 2015*

**English**

Ok thanks for the advice. Though do you think the topic I have chosen is competent for a 1000 word paper(meaning there is enough I can research upon it?)?

*April 29, 2015*

**English**

What type of society & government is Brave New World by Aldous Huxley? And what aspect from the novel is relatable to history or modern society? I need to find something to challenge(a topic/idea/argument Huxley made in his novel) and write a research paper to back up my ...

*April 29, 2015*

**English**

I don't think foreshadowing was used though, because the story starts with a guy after a driving test, driving his mom around when he meets two terrible accidents in which his mother starts to scream- another twist because the ride was going smoothly until now. Then plot ...

*April 27, 2015*

**English**

Ok so there is a plot twist to th story and that is the "twist". But i do't know how the author "intentionally misleads the reader"?

*April 27, 2015*

**English**

In the short story "Test" by Theordore Thomas, it is carefully constructed to offer the readers many unexpected twists and turns. Identify these twists and explain how the author intetionally misleads the audience in each case. Please help!! Thank you for your time~

*April 27, 2015*

**math**

Marteen wants to paint 2/3 of her room today.She wants to paint 1/4 of that before lunch.How much of her room will she paint before lunch today? A.1/12 B.1/6 C.5/12 D.11/12

*April 14, 2015*

**Macroeconomics**

#4 should be B; lower.

*April 5, 2015*

**Macroeconomics**

Please check my answers; stuck on a few questions on my homework. 1. In the long run, an increase in the supply of bank loans is matched by a __________ in the price level and the quantity of real loans is __________. A. rise; unchanged B. rise; increased C. fall; unchanged D...

*April 5, 2015*

**Macroeconomics**

So now I understand #1. the excess supply occurs when the quantity supplied exceeds the quantity demanded, meaning that producers are willing to sell more than consumers are willing to buy. This causes the price of coffee to fall as firms out the price to sell the coffee.

*April 4, 2015*

**Macroeconomics**

can you let me know if I'm on the right path... 1. if it's not A; has to be "D" 2.the only other answer that would make sense is "C" 3. a tradeoff is the balance achieved between two desirable but incompatible features. .. so it's "D"

*April 4, 2015*

**Macroeconomics**

working on homework & stuck on these three questions. Someone please check if I answered these correctly; Thank you! 1. In the event of excess supply in the coffee market __________. A. the price of coffee will increase B. the price of coffee will decrease C. the supply of ...

*April 4, 2015*

**University of Phoenix**

In the equation y = 4 x, if the value of x is increased by 2, what is the effect on the value of y ?

*March 23, 2015*

**stats**

.945

*March 16, 2015*

**Separation processes**

The question is sort of vague. I would ask your professor in the morning as to the definition of "low". Personally I would say that it is just more difficult since it does not specify that the relative volatility is one, it is just low. That is just an opinion. Hope ...

*March 12, 2015*

**calculus**

I got -119/36 ft^2/sec... not really sure how I got that...

*March 12, 2015*

**calculus**

A ladder 13 feet long is leaning against the side of a building. If the foot of the ladder is pulled away from the building at a constant rate of 8 inches per second, how fast is the area of the triangle formed by the ladder, the building, and the ground changing in feet ...

*March 12, 2015*

**utd**

A particle is moving around the ellipse 4x^2+16y^2=64 . At any time t, its x- and y coordinates are given by x(t) = 4cos t and y(t)= 2sint . At what rate is the particle’s distance to the point (1,1) changing at any time t? At what rate is the distance changing when t=pi/6?

*March 12, 2015*

**MATH**

I need help with a word problem. How many halves are there in two-fifths? 2/5 ÷ 1/2 = 4/5, so there are 2 halves is this correct

*March 4, 2015*

**MATH**

Please I need help with a fraction word problem. Peter and Eric bought a large pizza that has 12 slices. John and Eric ate all the pizza. If John ate 4/6 slices, how much did Eric eat? Who ate more pizza? My answer is Eric ate 4/12 of the pizza and John ate more than Eric. Am ...

*March 4, 2015*

**history**

Which of the following distinguished the Middle Colonies from New England and the Southern Colonies? A. peace treaties with Native Americans B. representative government C. prohibition of slavery D. ethnic and religious diversity

*February 23, 2015*

**Math Help!**

Oh I see, thank you so much for your help! You are so kind and very good at explaining.

*February 22, 2015*

**Math Help!**

#6?

*February 22, 2015*

**Math Help!**

Thank you reiny, makes sense! Can you help me with #5 too? Or the rest is you can?

*February 22, 2015*

**Math Help!**

Wow nice explanation thank you! Do you think you could help me with #1 and 5? These two questions are the ones I am most stuck o

*February 22, 2015*

**Math Help!**

I apologize for all these questions but I really need to get them done fast so I appreciate if you tried to answer some of them! 1. Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts in 2 more dollars ...

*February 22, 2015*

**Math**

Ok thank you! What about the second question I posted?

*February 22, 2015*

**Math**

Oh and another math question: If 45 is the sum of n consecutive positive integers, what is th largest possible value of n? I want to know how these 'consecutive numbers' questions work, like how do I list them in my equation?

*February 22, 2015*

**Math**

Every hour a clock chimes as many times as the hour. For example, the clock chimes 4 times at both 4:00 am and 4:00 pm. How many times does it chime from 4:00am through 11:00 pm of the same day including 4:00 am and 11:00 pm.? What is the proper way of doing this question ...

*February 22, 2015*

**Math**

Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts in 2 more dollars than the amount he put in on the previous day. After 10 days he has put 200 dollars in the jar. How much money did he pit in the jar on...

*February 22, 2015*

**Math**

t=2x-y+5 t=y-2z+10 t=2z-2x+6 Based on the system of equations above, what is the value of t?

*February 10, 2015*

**Chemistry**

Calculate the ΔHrxn for the following reactions using the heats of formation given in the table at the end of this assignment: a)The complete combustion of methane, CH4, producing water as a liquid. b)The complete combustion of glucose, C6H12O6, producing water as a ...

*February 4, 2015*

**math**

A tower casts a shadow 11 feet long. The distance from the top of the tower to the end of the shadow is 61 feet. how many feet tall is the tower? 61Squared = 11squared = h squared 3721 = 121 + h squared -121 = -121 3600 = h squared I get stuck at this point. Please help!

*January 22, 2015*

**science**

I don't know

*January 14, 2015*

**Physics**

An artillery shell is fired at an angle of 67.4◦ above the horizontal ground with an initial speed of 1860 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min

*January 13, 2015*

**math**

a job pays a salary of $19,00 the first year. during the next 10 years the salary increases by 4% each year. what is the lifetime salary over the 11 year period?

*December 13, 2014*