Saturday

September 24, 2016
Number of results: 22,320

**physics**

a boy pulls a bucket of water of mass sky from a well of depth 10 cm calculate the work done ?

*November 11, 2014 by mugilanjali*

**Algebra 2**

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

*November 18, 2014 by Alicia*

**Algebra 2**

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

*November 18, 2014 by Alicia*

**Algebra 2**

Quadratic Systems y=3x^2-5 x-y=3 Could you tell me the answer.I want to make sure I'm right and could you show work

*November 23, 2014 by Stephy*

**Algebra 2**

Solving Quadratic System x^2+4y^2=16 x^2+y^2=4 Please SHOW WORK I'm having trouble solve this...

*November 23, 2014 by Mesa*

**Chemistry **

What mass of AuCl3 contains 160.9 g of gold? My work i got 104.6 g Am i right?

*November 23, 2014 by Freedom*

**chemistry**

What mass of AuCl3 contains 160.9 g of gold? My work i got 104.6 g is that correct

*November 24, 2014 by Sammy*

**Math**

So I don't know how to do the work for the worksheet why didn't the circus manager want their human cannon ball to quit? I know the answer but I don't know how to get it.

*December 4, 2014 by 7th grade *

**social studies**

why would families allow their children to work in factories at a young age?

*December 17, 2014 by squadhunter*

**Calculus**

The function h(x) = x^3+bx+d has a critical point at (2,-4). Determine the constants b and d and find the equation of h(x). Show your work.

*January 2, 2015 by Daniel*

**Math**

Simplify each expression and state any non-permissible values. ( 3 marks - show your work) x/ x^2-3x-4 - 4/x+1

*January 7, 2015 by Alex*

**Math**

Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x/x+1 x x^2-1/x^2+x-6

*January 8, 2015 by Alex*

**Math**

Simplify each expression and state any non-permissible values. ( 3 marks - show your work) x/x^2-3x-4 - 4/x+1

*January 8, 2015 by Alex*

**Math**

Simplify each expression and state any non-permissible values. ( 3 marks - show your work) x/(x^2-3x-4) - 4/(x+1)

*January 9, 2015 by Alex*

**Math**

Simplify each expression and state any non-permissible values. (4 marks - show your work) (x^2-2x)/(x+1) x (x^2-1)/(x^2+x-6)

*January 10, 2015 by Alex*

**Physics**

how much work is needed to stop a 20kg bullet moving with a speed of 150m/s?

*January 20, 2015 by Hart*

**science**

ok i had some trouble but i think i figured it out work= force *power??

*January 26, 2015 by jordana*

**Physics**

Assume the distance axis is linear and da = 10.0m and db = 35.0 m. Estimate the work done by a force F in moving a 2.80 kg object from da to db.

*February 16, 2015 by Arianne*

**Calculus Chain rule**

y = (6x^2-6)^4/x I would appreciate it more if work was shown. Thank you (I have the answer but want to know how to do it)

*February 25, 2015 by Tom*

**physics**

how can we derive the work-energy theorem form Newton's second law of motion?

*March 16, 2015 by sarah*

**chemistry**

How many grams of CO2 are produced when 11.47 moles hexane combust? Show work please

*March 31, 2015 by sarah*

**algebra**

divide the fractions x+3 6 _______ divided by ____ xcubed x-3 show work please

*April 5, 2015 by jaimecarlon*

**Algebra**

State whether the equation is true, false, or an open sentence. Show your work. 3(2 + -8) = 3(-6 + 12) x + 5 = 22

*May 28, 2015 by Anon*

**tokarara**

Calculate work done if a force of 300N is applied at 30° to the horizontal and the body moves 20m

*July 14, 2015 by tina loko*

**physics**

Calculate the work done if a force of 300N Is applied at 30° to the horinzontal and body moves 20m

*July 15, 2015 by tina loko*

**Math(HELP!!!) PLEASE **

How would you convert 1.5 square iles to dm^2?? I don't know how to show my work for this particular one.

*September 23, 2015 by John*

**physics**

calculate the work done on n mole of a vander waal gas is an isothermal expansion from volume vi to vf.

*October 20, 2015 by abdulmueed*

**Chemistry**

what principles in UV-VIS spectroscopy and IR regions? how to work with organice molecules in both radiations?

*October 28, 2015 by jess*

**Science**

The man lifted the 15 pound weight 2 feet above his head. How much work was done?

*November 22, 2015 by Hannah*

**chemistry**

How do you work out the pKa of a substance from the titration curve that has two equivalence points?

*November 30, 2015 by Adam*

**Math**

Sarah and Noah work at Read On Bookstore and get paid the same hourly wage

*January 6, 2016 by Donna *

**Physics**

How much work does a weightlifter do on a 450 N barbell thathe lifts 2m into the air

*January 12, 2016 by Emma Roberts*

**Operations**

Could someone what do they mean by this question please.How does their work force reflect their global strategy?

*January 23, 2016 by Rose*

**Science **

Calculate the expansion work done when 50g of water is electrolysis under constant pressure

*February 3, 2016 by Natalia*

**math**

: Use the formula from Part I to find the midpoint of the segment with endpoints at (-2, -1) and (0, 9). Show your work.

*February 24, 2016 by jen*

**Chemistry**

How does salt hydrolysis work between sodium hydroxide and lactic acid in a titration?

*February 25, 2016 by Hannah*

**University of makati**

Calculate the work done to push the 5 kg cowling ball up to the ramp which is 20 degrees to the horizontal.

*March 9, 2016 by rench anonuevo*

**math**

7 over x + 8 equals 6/2 x solve for x show work and how can I get some help with this question results now

*March 9, 2016 by kelly*

**Integral calculus**

find the work required to pull up the anchor if the cable weighs 20 lb/ft in water

*March 16, 2016 by Anonymous*

**Integral calculus**

find the work required to pull up the anchor if the cable weighs 20 lb/ft in water

*March 16, 2016 by Anonymous*

**Physics **

A 3200 lb car traveling at 30 mi/hr speeds up to 60 mi/hr. How much useful work was supplied by the engine?

*March 18, 2016 by Reed *

**college mathematics**

e. Find the volume of a sphere with a radius of 8 meters. please show work.

*April 27, 2016 by Anonymous*

**Chemistry**

What is the internal energy if system absorbs 100J of heat and does 50J of work on the surrounding?

*April 26, 2016 by Ramsha*

**Chemistry **

Please check my work: What is the pOH of a solution containing [H+] = 1x10-11 M? log H=14-11 3 right

*May 3, 2016 by Jeremiah*

**Pre-Calculus**

Locate the foci of the ellipse. Show your work. x^2/36+y^2/11=1 c^2=a^2-b^2 c^2=36-11 c^2=25 c= ± sqrt25 c= ±sqrt5*5 is this correct?

*June 2, 2016 by Liz*

**Physics**

How much work is required to lift a bag of wheat (mass 50kg) to a height of 2.4m?

*August 31, 2016 by Abbey*

**Math**

How many diagonals can be drawn from one vertex of a 12 sided polygon. ****WORK NEEDED TO BE SHOWN****

*August 31, 2016 by ***GIOVANNI****

**Physics**

Calculate the work done by a 300N Force moving a 20kg object a distance of 50m

*September 4, 2016 by Danielle*

**Statistics**

A random sample of 384 people in a mid-sized city (city one) revealed 112 individuals who worked at more than one job. A second random sample of 432 workers from another mid-sized city (city two) found 91 people who work at more than one job. Find a 99% confidence interval for...

*October 26, 2012 by twetwewtw*

**Statistics**

A random sample of 384 people in a mid-sized city (city one) revealed 112 individuals who worked at more than one job. A second random sample of 432 workers from another mid-sized city (city two) found 91 people who work at more than one job. Find a 99% confidence interval for...

*November 4, 2012 by Huh*

**Math**

a citizens group wants to determine people's opinions about a new road. The members of the group conduct a survey at the largest part of the mall in the city. Which best describes the sampling method used by the citizens' group? A.) convenience sample B.) random sample...

*March 17, 2014 by Cassie*

**college algebra**

3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t ¡Ý 0. What was the average score when they...

*February 2, 2012 by Please, Please Help!*

**algebra**

1.)If the airline charges $320 per passenger, find the profit made by the airline for flying 10,000 passengers from New York to Atlanta. Use the equation editor to show all work. Write a sentence to explain your answer. Remember: Profit = Revenue - Cost 2.)Approximate the ...

*August 10, 2016 by brandon b*

**Art**

During which time period were artists keenly interested in using the golden ratio in their paintings? A.Baroque Period B.Oriental Period C.Futuristic Period D.Renaissance Period When the Greeks built the Parthenon its dimensions nearly matched the golden ratio which is the ...

*March 2, 2015 by Anon*

**physics help needed very urgent !!!**

The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 55 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an applied force with a ...

*October 26, 2012 by helper*

**checking if grammar is proper **

Hi; I was wondering if my grammar looks good. Thank you I think teaching fables to children is a positive thing because fables teach children valuable lessons that will stay, and frame to the child’s characteristic. Like “The Three Little Pigs” fable teaches us to plan our ...

*November 12, 2011 by zahra*

**math**

1.Social Security laws allow you can collect full social security benefits at age 67 however; the law allows you to retired early at age 62 with a 30% reduced rate of benefits. If your full benefits were $1,000 a month, what would your reduced amount be at 62? You would have ...

*January 17, 2012 by anonumous *

**Thermochemistry**

Path A A sample of gas in a cylinder of volume 3.96 L at 327 K and 3.28 atm expands to 7.34 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J. Path B Path B has two steps. In the first step, the gas ...

*October 5, 2010 by Nick*

**English Improving writing**

please check this for me this what I have so far thanks for all of your help Brain Storming revised Paragraph 1 The problem is Jack and Rachel often have nothing to do Bonnie and Molly are working extra and have to work over time Melanie and Jessica share an administrative ...

*June 17, 2008 by Kaleigh-Anne*

**Algebra**

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. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number game using a variable ...

*April 21, 2008 by Candace*

**algebra**

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. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number game using a variable ...

*March 25, 2010 by Anonymous*

**Economics**

What is the common element in each column? Column A: The number of minimum wage jobs has increased. By 2025 blue collar work could be totally obsolete. The number of ATM’s is increasing faster than the rate of bank tellers. “We’re sorry all our operators are busy. Your call is...

*February 22, 2011 by Ann*

**Economics**

What is the common element in each column? Column A: The number of minimum wage jobs has increased. By 2025 blue collar work could be totally obsolete. The number of ATM’s is increasing faster than the rate of bank tellers. “We’re sorry all our operators are busy. Your call is...

*February 22, 2011 by Ann*

**Economics**

What is the common element in each column? Column A: The number of minimum wage jobs has increased. By 2025 blue collar work could be totally obsolete. The number of ATM’s is increasing faster than the rate of bank tellers. “We’re sorry all our operators are busy. Your call is...

*February 22, 2011 by Ann*

**Physics**

*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

*October 8, 2006 by Justin*

**Math**

Can somebody please explain to me how to factor trinomials that contain two unknown variables and are complex sum & product?? Examples: 2x^2 + 13xy + 15y^2 11x^2 + 14xy + 3y^2 I understand how to factor trinomials that only have x as the variable, but please someone help with ...

*April 4, 2007 by Danielle*

**special ed**

I need to make lesson plans for students with mental retardation. Can you please tell me what you think of my ideas. For Pre-K work on gross motor skills, play simon says, use songs that make the child use their motor skills (if you're happy and you know it, clap your hands, ...

*September 26, 2009 by Kristy*

**Math**

"Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and 248 cm?" I think the ...

*June 1, 2012 by Gia*

**intro to probability**

In a study of particulate pollution in air samples over a smokestack, X1 represents the amount of pollant per sample when a cleaning device is not operating, and X2 represents the amount per sample when the cleaning device is operating. Assume that (X1, X2) has a joint ...

*April 20, 2008 by amelie*

**physics**

You are travelling in your 2000 kg car at 12.5 m/s and wish to accelerate to 17.3 m/s in 4.28 seconds, how much work, to the nearest joule, is required? -------------------------------------------------------------------------------- 4 In the previous problem what is the ...

*May 22, 2013 by blah physics*

**English**

1) 2025 is it only two thousand and twenty-five or could you also say twenty twenty-five? 2) in 2000 (is in two thousand/in the year two thousand) 3) How many films did he appear in? Or In how many films did he appear? 4) Which part did film director.. offer to him? (Or What ...

*January 4, 2010 by Franco*

**physics**

I have tried the ideal gas law to find the temp and Pressure so that i could then find the work but i am not getting the right answer in the end. any suggestions? 3.1 One kilogram of air in a piston-cylinder device undegoes a thermodynamic cycle composed of the following ...

*June 18, 2007 by jody*

**Algebra**

1. √(9y - 196) + √196 = √49 My work: I squared all 3 roots and got 9y - 196 + 196 = 49 The - 196 + 196 cancels out and we are left with 9y = 49. divide 49 by 9. = 49/9. I'm pretty sure this is wrong. Can you show me where I messed up? 2. √x(√9 - 4...

*March 11, 2014 by Student*

**English**

@ words : 1- curtail 2- devastate 3- digress 4- incentive 5- incorporate 6- indispensable 7- intermittent 8- rigor 9- squander 10-succumb Linda never had to work hard to make good grades in high school. But in college, where the ___(8)___ of course work were greater, she soon ...

*October 23, 2014 by William*

**physics**

A 1.5 kg snowball is fired from a cliff 12.5m high with an inital velocity of 14 m/s directed 41 degrees above the horizontal. a) how much work is done on the snowball by the gravitaitonal force during its flight to the flat ground below the cliff? b) what is the change in the...

*January 4, 2007 by Jamie*

**Physics**

A perforated bead of mass 37g moves on a frictionless horizontal circular track of radius R=0.65m. The track runs through the bead. When the bead is at rest in the horizontal position, it is tied to a spring at the centre of the track. The unstretched length of the spring is R...

*October 20, 2013 by Anonymous*

**College Algebra**

A new employee at a sales company is offered one of three different possible salary packages, A, B and C. The new employee will work 15 hours per week. Package A: $105 for the 15 hours of work each week. Package B: $60 plus a commission of 8% of all sales during the week. ...

*November 28, 2014 by Mang*

**Engineering**

Your Swine manure pit is rectangular measuring 50' by 100' and is 4' deep. If you use a 1" diameter hose 2 hours each day at 8 ft per second velocity to remove the manure from your swine pins how many days worth of storage space do you have in your pit? In other words how ...

*September 10, 2006 by matt*

**chemistry**

I have two that I can not figure out: #1: calculate the MOLALITY of 10.00 g/L of the salt, if its molar mass is 100.0 g/mol and solution density D=1.100 g/mL work: 10.00 g NaCl x (1mL/1.100g) x (1kg/1000 mL)= 0.00909 kg 100.0 g x (1 mol NaCl/58.4 g Nacl)= 1.7 mol 1.7/0.0090= ...

*November 21, 2015 by sam*

**College Algebra**

A tennis club offers two payment options: Option1: $35 monthly fee plus $4/hour for court rental Option 2: No monthly fee but $6.50/hour for court rental. Let x = hours per month of court rental time. a) Write a mathematical model representing the total monthly cost, C, in ...

*November 16, 2007 by Alicia*

**ENG091**

Subjects & Verbs. I was wanting to check my work please before I turn it in. 1.Abraham Lincoln was carrying two pairs of glasses and a penknife on the night of his death. Ans:Abraham Lincoln and was carrying 2.On his way to work, George stopped for gas. Ans:George and stopped ...

*July 17, 2013 by plg4366*

**Physics**

Which of the following forces does NOT have a zero work done on the object. Choices The normal force on a box that slides across a horizontal level floor. The weight on a box that slides across a horizontal level floor. The normal force on a box that slides down an inclined ...

*November 11, 2010 by rose*

**statistics**

Does it ever seem to you that the weather is nice during the work week, but lousy on the weekend? Cerveny and Balling (1998) have confirmed that this is not your imagination—pollution accumulating during the work week most likely spoils the weekend weather for people on the ...

*June 22, 2011 by Liz *

**Literature**

'Identify the issue one writer discusses, and then describe the general public's view is and what the writer's view is.' Story: Darkness At Noon Issue: People always judge disabled people, and think they can't work General Public's View: The general public believes that even ...

*December 29, 2009 by mysterychicken*

**Socials-Ms. Sue**

What other strategies have been proposed to end child labour? Restrictions for age limits for certain jobs, the amount of times per day and which days. Restrictions for salary apply as well. The safety for these young youths at work is ensured. The workplace for these young ...

*November 29, 2009 by Sara*

**Art**

During which time period were artists keenly interested in using the golden ratio in their paintings? A.Baroque Period B.Oriental Period C.Futuristic Period D.Renaissance Period •• When the Greeks built the Parthenon its dimensions nearly matched the golden ratio which is the ...

*February 11, 2016 by Kiana *

**hard 5th Grade Math**

Two 5th grade classes raised money for their local animal shaelters.There are 20 students in Class A. Each student raised 12$. There are 26 students in Class B raised 1.5 times as much as each student in Class A. A. How much money was raised altogether in both classes? Show ...

*October 1, 2012 by Kristiana*

**Math**

What is 14.5 of 60? Showing Work Is this supposed to be 14.5% of 60? If so, take 0.145 (decimal form) times 60 for your answer. I hope this will help.

*January 17, 2007 by jordan and brooke*

**Please Check My Math Work**

a^2 - 2ab - 15b^2 This is what I got: (a-5b)(a+3b) Correct! x^4+2x^3-4x^2-5x-6 DIVIDED BY x^2+x-2 My answer: x^2+x-3 remainder of -12\x^2+x-2

*February 7, 2007 by Margie*

**calc**

differentiate y=ln(x^5-e^x) Please show the steps in solving change it to y=ln u dy/dx= dy/du * du/dx and of course, dy/du= 1/u I will be happy to critique your work. 1/4x * 4/4x = 4/x Is this correct?

*April 11, 2007 by quita*

**math**

Identify the vertex of the parabola xsquared-8x-28y-124=0 We will be happy to critique your work or thinking.

*May 7, 2007 by Sam*

**math**

my work book is asking me to descrive how to use a ten-thousand square to round to the nearest 100

*September 11, 2007 by Camilo*

**economics**

a job can be advertised as a a)free space b)work gap c)empty posting d)vacant position

*October 2, 2007 by christal*

**math**

show work If the bill at a restaurant including 155 tip is $65.32. What was the cost of the meal alone?

*November 6, 2007 by shanae*

**Adv. Algebra- Conics**

Find the equation of a hyperbola with foci of (0,8), and (0,-8) and Asymptotes of y=4x and y=-4x Please show work!!!

*November 19, 2007 by Paragon*

**social studies**

Yes that website would work but my teacher said we werent aloud to use wikipedia.

*November 29, 2007 by logan*

**French**

I don't like to work because it is tiring. =Je n'aime pas travailler parceque c'est fatigant. Is it correct?

*December 10, 2007 by Miche*

**Algebra 1**

126a(-1/9a)(1/7a cubed) and the answer to this in my book says -2a to the fith. How does it work, i've tried multiple times.

*December 11, 2007 by Elizabeth*

**programming techniques**

how do modular program work, can you show me an example of it using dowhile pseudo code.

*July 11, 2008 by alberto*

**re: English**

Please read the post I have posted today afternoon regarding my resume work.

*January 14, 2008 by Manny to ANYONE*