Wednesday

May 27, 2015

May 27, 2015

Number of results: 20,020

**Math**

Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1 ) and ( x - 2 ) respectively. If 2R1 + R2 = 6, find a. Please work the complete solution.
*April 14, 2013 by Steve*

**Chemistry **

Propose buffer components to hold a pH of 9.5, let the base have a concentration of 0.1 M show all work please
*April 21, 2013 by Roderick *

**math**

To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without calculating?
*May 3, 2013 by Jenny*

**math**

To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without calculating?
*May 3, 2013 by Jenny*

**Physics**

What is the minimum work in joules needed to push a 1840 kg car 14.0 m up a 12.5 degree incline? (Ignore friction.)
*July 8, 2013 by Sam*

**Organic Chemistry**

Chemical explanation of how drying agents, such as anhydrous sodium sulfate, work/dry?
*October 13, 2013 by Cheech*

**math**

What is the value of x in the equation x/2+x/6=2 I found a common denominater of 6 3x/6+x/6=2 4x/6=2 mult. both sides by 6/1 and you get 4x=12 so x=12/4 or x=3 Is this correct/ Thanks for checking my work
*October 18, 2013 by B8*

**Math (Algebra 1)**

How do I combine the following like terms? 4+2(-x+1)-5(x-1) I have the answer - 11-7x - but I need to know how to show my work in this problem. Thanks.
*October 19, 2013 by Jordan*

**mah**

does the prime factorization using exponents and then add 1 to each exponent. then he find the product of these numbers.will this method work why or why not
*October 22, 2013 by Anonymous*

**Calculus II**

A cable that weighs 1.5 lb/ft is used to lift 700 lb of coal up a mineshaft that is 400 ft deep. Find the work done.
*November 3, 2013 by Brian*

**science **

can you please give me a link to a detailed essay on gender differences in depression. I need a guideline to work from
*November 7, 2013 by letmewatchthis*

**grammer**

The lawyer suggested that you and he work to find an agreement outside the courtroom, for the trial would be long and unpleasant.
*December 10, 2013 by Anonymous*

**Pre cal**

determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out
*January 30, 2014 by shelly *

**physics**

the work function of zinc is 3.6ev what is maximum enegy photoelectron by ultraviolet wave of light 3000angstrome
*February 4, 2014 by Anonymous*

**algebra**

Solve the system by graphing: In order to receive credit for this problem you must show all your work. y=x+6 y=-3x+6
*February 19, 2014 by genny*

**english**

In Ernest Hemingway An author's attitude toward a piece of work? Answers are,tone, voice, style thanks
*February 27, 2014 by snow*

**math**

If you pay $585 a month or $135 a week for 2 work days, then how much do you get paid per day?
*March 31, 2014 by maria*

**essay help/english**

Social work in Adaption: Ethical Dilemmas and demographics (Wages,hours and job outlook etc.) thank you!
*April 6, 2014 by Anonymous*

**Algebra 2**

Solve the equation. Round your answers to four decimal places. Show all of your work! a. 54x = 90
*April 30, 2014 by denise*

**Physics**

design a pair of ear defenders and explain how they work using big idea of energy transfer
*May 11, 2014 by Jean Smith*

**6th grade math**

Determine whether each value of x is a solution of the inequality 4x-5<3 a. x=0 b. x=2 c. x=-2 d. x=4 Help please *show the work and answer!!
*May 27, 2014 by mathhh HELP!! Help!!! PlEASE!!!!*

**Math**

Write each expression using a single exponent. 20.) 8^10*8^9 22.) 2.6^12 * 2.6^12 Can you please show your work so I can get a better understanding of these problems?
*June 6, 2014 by InDireNeedOfHelp*

**Math**

MULTIPLY. WRITE EACH PRODUCT IN SCIENTIFIC NOTATION. 24.) (3 * 10^6)(2 * 10^12) 26.) (6 * 10^9) (5 * 10^4) Can you please show your work so I can get a better understanding of these problems?
*June 6, 2014 by InDireNeedOfHelp*

**Basic Physics**

I don't understand how to work this problem out: Find x-component of vector a ⃗ = (7.0m/s 2 , - y-direction) Please help
*July 9, 2014 by Katy*

**Honors Physics**

Give some examples of applications that have resulted from work done by physicists on the exploration of space.
*August 24, 2014 by X*

**algebra**

Write the equation for the following relation. Include all of your work in your final answer. Submit your solution. P = {(x, y): (1, 0), (2, 4), (3, 8), (4, 12),
*September 5, 2014 by Anonymous*

**counting**

My daughter home work wants her to count the animals in each picture and draw the correct number of counters to show how many
*September 15, 2014 by Anonymous*

**physical chem**

calculate work when 1mol of H2O is heated from 0-100 degrees C at fixed pressure of 1atm.
*October 19, 2014 by Anonymous*

**Math**

10. Estimate 30% of the student population. You must show all of your work and provide an explanation. *There are 850 students.
*October 26, 2014 by Ariana*

**AP physics**

An object undergoes a displacement x while a force F acts on it. If F does zero work, then the angle between F and x must be
*December 11, 2014 by ali *

**Algebra 2**

Find all of the zeros of each function 1. q(x)=2x^3-17x^2+90x-41 2.x^3-5x^2-7x+51 3.x^4-9x^3+24x^2-6x-40 Please show work!!! I want to learn how to do it.
*January 17, 2015 by Alicia*

**MATH**

For the following system of equations, what is the x-value of the solution? -x + 2y = 6 6y = x + 18 A. -18 B. 0 C. -6 D. 3 Confused? Still trying to work it out. Please help! Thanks
*January 20, 2015 by SkatingDJ*

**science**

find the no. of electron transferred between two ppints kept at a potential difference of 20V if 40 J of work is done
*May 15, 2015 by sandeep*

**social studies**

in what economic sector is a migrant worker most likly to find work in arbia and iraq?
*February 25, 2015 by Hannah*

**Chemistry**

Use your balanced equation to calculate the volume of 0.12 M Na3PO4 to stoichiometrically react with the 3.0 mL of Co (NO3)2. Show your work.
*March 1, 2015 by Chem*

**7th Grade Math.**

I have been trying to work this out but just cant. Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11 Thanks, ~JH
*March 3, 2015 by Jarrod*

**4th grade Science**

explain how your circulatory and immune systems work together to keep you healthy. Pleaseeeee help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*March 9, 2015 by Yellow*

**Life orientation **

Name and explain in detail four organizations/agencies that work to address human violations?
*March 19, 2015 by Tumelo koloti*

**Homeroom work**

ON a multiple choice question with 4 options, what are your chances of guessing correctly if you eliminate two answers? 10% 25% 33% 50% Is it 50%?
*March 22, 2015 by Jae*

**pre - CALCULUS**

Find the indicated sum. Show your work. 4 k=1 (-1)^k(k+11) ￼Inbetween the 4 and k , Theres a backwards 3 sign
*April 13, 2015 by Ciara*

**Mathh**

What is the rule for the function shown in the table? x: -1 | 0 | 1 | 2 y: -2 | 1 | 4 | 7 A. y= 1/3x + 1 B. y=3x + 1 C. y= 1/3x D. y= 1/3x + 1 Will someone please help and explain how I can work this out. I have trouble with these.
*April 29, 2015 by Anonymous *

**physics**

In a tug of war match, each side pulls with a force of 500N, but the rope does not move. How much work is done?
*May 18, 2015 by taylor*

**chemistry, plz check work**

NH3+H2S-->NH4HS <-- Kc=400 at 35 Celsius what mass of NH4HS will be present at equilbrium? My work NH3 H2S NH4HS initial 2 mol 2 mol 2 mol change -x -x +x equilibrium 2-x 2-x 2+x Kc=[NH4HS]/[NH3][H2S] 400=(2+x)/[(2-x)(2-x)] 400=(2+x)/(4-4x+x^2) 1600-1600x+400x^2=2+x 1598...
*March 2, 2009 by Anonymous*

**Improving your writing**

I hope I got it this time...Is the use of my semi colons and colon correct ? For the past three months there seems to be an ever-growing problem at our company of DMD Medical Supplies: The quality of work has been poor; the morale of various employees has been brought down; ...
*February 3, 2012 by Shawna*

**physics ( disregard last post)**

hey bob, this question average force of friction thanks a lot. i only don't get one part. Now, set the potential energy of the rubber band (stretched x cm) equal to the work done on friction. does it matter how much i stretch it and what does it mean when "You can measure k ...
*June 12, 2007 by James*

**math**

•Post a response to the following: Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reached 1 for an answer? You should have. How does this number game ...
*October 1, 2008 by Anonymous*

**Algebra Assignment**

Please check my work on this part of the assignment. Medical x-rays, with a wavelength of about 10^-10m, can penetrate completely through your skin. a. ultraviolet rays, which cause sun burn by penetrating only the top level of skin, have a wavelength about 1000 times the ...
*January 29, 2014 by Anonymous*

**Economics**

1. An economy's production possibilities frontier is also its consumption possibilities frontier. a. under all circumstances b. under no circumstances c. when the economy is self-sufficient d. when the rate of tradeoff between the two goods being produced is constant 2. The ...
*September 9, 2012 by Eric*

**English**

Can you please tell me if these sentences are possible? Thank you very much in advance. 1) Are the following adjectives related to weather possible: What's the weather like? It's wet/damp. It's foggy/hazy/misty (are they synonyms?) It's boiling/sweltering/muggy/close It's ...
*April 25, 2010 by Franco*

**math**

I have a question I have been working on since yesterday and I am not making this up. I couldn't get the right answer. If sin theta = -2/3, which of the following are possible? A: cos theta= -the sqr rt of 5/3 and tan theta =2/3. B: sec theta = 3/the sqr rt of 5 and tan teta...
*November 21, 2013 by lisa*

**World History (Ms. Sue)**

Do you agree with that which I have written? "Like their fictional characters, Romantics were misunderstood or rejected by the society around them. Nevertheless, they deeply valued ordinary people and their individual experiences in everyday life. Romantic art, music, and ...
*November 12, 2014 by Victoria*

**Physics**

A flea is able to jump straight up about 0.49 m. It has been said that if a flea were as big as a human, it would be able to jump over a 100 story building! When an animal jumps, it converts work done in contracting muscles into gravitational potential energy (with some steps ...
*September 22, 2008 by Jenny*

**Physics(Please respond)**

A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. Physics(Please respond) - Elena, Thursday, June 21, 2012 at 2:33am ÄU = Q - W Where ÄU is the change in the...
*June 21, 2012 by Hannah*

**Physics - KE/Inertia**

The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of three particles ...
*March 26, 2007 by COFFEE*

**proofread**

Instructions for this essay assignment (relection paper). For this paper, you should think about what you want to get out of your practicum experience. The 90 hours you spend at this site should be an opportunity not only for you to give something to the organization at which ...
*February 4, 2008 by Bizzy*

**Science**

Name one physical property and one chemical property that you could use to distinguish between water and gasoline. Write down, on a sheet of paper, three or four physical properties. Place them in a column. On another column write three or four physical propertis of water. ...
*March 17, 2007 by Lisa*

**Chemistry**

Please help! I have spent hours trying to work these three problems. How many grams of solid barium sulfate form when 27.1 mL of 0.160 M barium chloride reacts with 53.4 mL of 0.065 M sodium sulfate? Aqueous sodium chloride forms also. I have converted the 27.1mL to .0271L, ...
*September 21, 2013 by Anonymous*

**Physics HELP!!!!!!!!**

The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.0 x 10^5 Pa, and the horizontal divisions represent 4.5 x 10^-3 m3. The diagram is a upright rectangle divided into small squares (8 up and 6 across). ...
*April 22, 2007 by Mary*

**Math**

t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw ...
*October 15, 2009 by Salman*

**Calculus**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw ...
*November 22, 2009 by Bobby*

**someone correct my work please? fun, fun chemistry**

Okay. I'm very, very confused. The initial question is: predict the products of the electrolysis of a 1 mol/L solution sodium chloride. This is my work: The four different possible equations are: 2H2o + 2e- -------> H2 + 2OH- (V= -0.83) O2 + 4H+ + 4e- -------> 2H2O (V= 1...
*January 30, 2007 by Rienna*

**Chemistry**

Alexander, who weighs 180 lb, decides to climb Mt. Krumpett, which is 5570 m high. For his food supply, he decides to take nutrition bars. The label on the bars states that each 100-g bar contains 10 g of fat, 40g of protein, and 50 g of carbohydrates. In this problem you do ...
*January 26, 2010 by Kathy*

**physics HELP**

A 7450 kg satellite has an elliptical orbit, as in Figure 6.9b. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far...
*January 26, 2011 by maria*

**Physics**

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...
*October 3, 2014 by Steven*

**Physics **

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...
*October 3, 2014 by Steven*

**Chemistry- please check my work**

Question: The following equilibrium was studied by analyzing the equilibrium mixture for the amount of HCL produced. LaCl3(s)+ H2O(g) goes to LaOCl(s)+2HCl(g). A vessel whose volume was 1.25L was filled with 0.0125 mol of lanthanum (III)chloride and 0.0250 mol H2O. After the ...
*February 25, 2009 by eliz*

**Chemistry**

1.Cell respiration glucose is reacted wth oxygen in body to produce carbon dioxide and water how many liters of carbon dioxide would be produced if 90.0 g of glucose completely reacts with oxygen C6H12O6(s)+ 6O2(g) -> 6H2O(g) + 6CO2 (g) How many liters of carbon dioxide ...
*April 22, 2015 by John*

**WorldHistory**

Check? What were a peasants obligations to the lord of the manor? The peasant's obligations to the Lord of the Manor were based mostly on farming work. The peasant would work large proportions of their day on the land of their Lord, the rest of their day would be put toward ...
*May 3, 2013 by _*

**Socials**

Would abolishing child labour be an effective strategy to improve the lives of children? Why or Why not? I don't know the answer to this questions because I kind of think that this would be a good stragety but at the same time I don't. I think that it would be good if child ...
*November 28, 2009 by Sara*

**physics**

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on the floor. How much ...
*July 7, 2010 by Ricky*

**physics**

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on the floor. How much ...
*July 7, 2010 by Ricky*

**Chem**

Nitric acid can be prepared by bubbling dinitrogen pentoxide into water. N2O5(g) + H2O -> 2H+(aq) + 2NO3-(aq) a) How many moles of H+ are obtained when 1.50 L of N2O5 at 25 degrees C and 1.00 atm pressure is bubbled into water? b) The solution obtained in (a) after reaction...
*January 1, 2007 by Dave*

**physics**

a.)At rest, a car's horn sounds at a frequency of 410 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 381 Hz. What is the speed of the car? b.)Is the cyclist ahead of ...
*August 5, 2007 by sanchi*

**Writing**

Posted by Anonymous on Tuesday, August 27, 2013 at 7:10pm. Please give feedback and grade. Prompt:"Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a...
*August 27, 2013 by Anonymous*

**Physics**

A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 11.0 m in the first 6.00 s. What is the mass of the block of ice? *I notice two very common ...
*October 1, 2006 by James*

**Math....Please help I have a deadline for tonight!**

Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments. Answer: Show work in ...
*November 4, 2006 by Vianna*

**memo or letter**

informative message that tells one of your colleagues at work or one of your friends how to enroll at school. which woul dbe the best way to send it I am thinking a memo am I wrong yep I think that is correct! yep I think that is correct! What is wrong with an oldfashioned ...
*August 3, 2006 by april*

**math help**

Suppose you are managing 25 employees, and you need to form three teams to work on three different projects. Assume that all employees will work on exactly one team. Also, each employee has the same qualifications/skills, so any employee can serve on any team. The number of ...
*December 7, 2010 by aileen*

**Math**

Suppose you are managing 25 employees, and you need to form three teams to work on three different projects. Assume that all employees will work on exactly one team. Also, each employee has the same qualifications/skills, so any employee can serve on any team. The number of ...
*December 15, 2010 by David*

**English (MLA format)**

Hi, I was wondering what was the most proper way to incorporate a quote from a piece of work that is a quote from another piece of work. If this makes no sense... in my paper I'm quoting a quote from a document that we have discussed in class. Within this document the author ...
*September 26, 2011 by John*

**Help**

President Bush signed the new Bankruptcy Reform Act into law around April of 2005. This law went into effect in October of 2005. This means that filing a chapter seven bankruptcy is not as easy as it once was. Let’s get on the Internet and do some research to find out: How did...
*June 14, 2006 by Anonymous*

**Algebra 1**

3r-5s=-35 2r-5s=-30 multiply equation 2 by -1 then add the two equations. s will cancel and you can solve for r. Post your work if you need further assistance.
*January 18, 2007 by Candice*

**math**

Find the second derivative. y = sqrt(3x+4) I will be happy to critique your work. We don't do it for you. Thanks. Please post under one name. Thanks. who are u?
*February 20, 2007 by abc*

**Calc Help**

q=(1000/p+1)^2 - 1 find q' Please help. Question on review sheet. I will be glad to help you, or critique your work. What do you think the way to solve it is>
*May 1, 2007 by Evan*

**math**

my fith grader has a work sheet on stem and leaf plots. There is no workbook or examples that were given and i have no clue. Can you help me?
*August 29, 2007 by marie*

**human resources management**

how emotional and physical aspects of a person’s life can influence the employee’s effectiveness in the work environment
*October 26, 2007 by Lisa*

**Help With Math**

Using the quadratic formula to solve equations. -12^2 + 12 x-9 = -7x^2 10x^2 + 5x + 12 = 0 6x^2 + 12x = - 1 11x^2 - 7x -1 = 0 2x^2 -18x + 16 = 0 Can u show work to help me out
*November 13, 2007 by Monte'*

**Calculus**

If M is 30% of Q, Q is 20% of P, and N is 25% of P, then M/N equals which of the following? (a) 3/250 (b) 3/25 (c) 1 (d) 6/5 (e) 4/3 When I work this problem I keep getting 6/25, but that is not one of the choices. Any help would be greatly appreciated.
*November 28, 2007 by Arnold*

**Math**

How would you solve this for x using logarithims? I tried but when I plugged my answer for x back into the equation it didn't work at all. 4^2x = 9^x-1
*January 15, 2008 by Anonymous*

**government**

a staff agency a. supports other workers b. runs programs c. regulates businesses d. does business-like work c
*January 16, 2008 by jere*

**physics**

a 1200-kg automobile travels at a speed of 90-km/h (a)what is the kinetic energy? (b) what is the net work that would be required to bring it to a stop?
*January 26, 2008 by melissa*

**chemistry**

Under what conditions of temperature and pressure do you think that the gas laws would work best? List specifics.
*January 29, 2008 by Cindy*

**Physics**

How long does it take a 19 kW steam engine to do 6.8x10^7 of work? I have no idea how to solve this... Would someone please help?
*January 29, 2008 by Cassidy*

**Algebra II**

How do I work the following problem? I cannot find an example in my book that shows how to divide when there are two variables on top. 4-2i/7+3i Thanks for your help today.
*February 3, 2008 by Lucy*

**statistics**

What is an example of two events that are neither disjoint nor independent? (I have no idea how that would even work)
*February 26, 2008 by Mischa*

**science**

how do water powered mills work???? please help!!!!!!!! due tomorrow only in 5th grade make it not complicated
*March 20, 2008 by carly*

**US History**

Can you please tell me where can I find more info about Hannah Galler, a holocaust survivor: her life and work?
*March 25, 2008 by Jennifer*

**science**

the making of polymers is an example of the category of work done by chemists calledd ________ fill in the answerr. please helpp!
*April 22, 2008 by christina*

**chemistry**

how does band gap energy work? when dealing with voltages and color change from LEDs[depends on phosphorous percentage]
*April 26, 2008 by sara*

** human resources**

Analyze how emotional and physical aspects of a person's life can influence the employees effectivness in the work place
*August 1, 2008 by ebonie*