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August 28, 2016

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Number of results: 22,216

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

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

english
I posted my work a few minutes ago, can somebody check it for me please. thanks a lot. Rose
March 25, 2008 by rose

college algebra
Let f(x) = 1/x Evaluate and plot g(x)= -f(2x) + 1 Start with the innermost transformation and work outward in steps. There are 3 transformations
April 11, 2008 by Sarah

physics
the making of polymers is an example of the category of work done by chemists caledd _______ fill in the answeerrr
April 22, 2008 by christina

home economics
explain how supply and demand effect the prices of homes and be sure to shpw your work
June 14, 2008 by Lilah

literature
WHY IS THE PREFACE TO LYRICAL BALLADS CONSIDERED AS THE CENTRAL WORK OF LITERARY THEORY IN THE EIGHTEENTH CENTURY?
August 14, 2008 by klar maesen

Math
What are the like terms in the exprression 3ac = ab - ac = 2ab? Explain. Simplify the expression. Show your work.
September 2, 2008 by Maddy

help me
Which organizational structure mentioned in the text would work best for most human services organizations? Why?
October 1, 2008 by Anonymous

math home work
solve the following equations for the variable x 4x=y xyz=t 4xz=P y=xtz 3.5tpx=R
October 6, 2008 by sherri

integral calculus
can anyone give me a site that best explain about the topic "work" and "center of moment"... thanks... :)
October 7, 2008 by Akitsuke

Precalc, i really don't get my hw
how do i do this? factor x^4-x^2-20 over real and complex numbers I tried to do synthetic, but it doesnt work.=(
October 14, 2008 by Samya

math
Can you tell me the answer to: 3 1/2 = ______x 4 3/8. I keep coming up with 1 1/4 but it doesnt work out when I multiply it back. HELP!!!!
October 28, 2008 by JESSY

English
What does Martin Luther King mean by "Continue to work with the faith that unearned suffering is redemptive?"
December 2, 2008 by Jason

human resources
what are the most critical steps to successful implementation of high performance work systems?
December 23, 2008 by China

human resources
what are the most critical steps to successful implementation of high performance work systems?
December 26, 2008 by China

Employment
How old do you have to be to work at "Tim Horton's"? I cannot find a specific age minimum, so I'm assuming it's 16?
January 9, 2009 by Anonymous

romantic era of music
Richard Wagner's major work is a four-opera cycle called
January 12, 2009 by cheryl

Human Resource Management
What are the advantages and disadvantages of having a High School librarians work in a team?
January 16, 2009 by Anonymous

WG
i all ready did my work and i want to see if i got them right..... 1.what does a small blackened dot usually represent?
January 22, 2009 by hellen

math
how far will the bike travel if the wheel makes 5 revolutions? the diameter is 40cm. show work
February 19, 2009 by makyla

physics
What is the longest wavelength of light that will emit electrons from a metal whose work function is 3.10eV?
April 23, 2009 by Anonymous

physical education
i would like some work outs so i can raise my phys ed makes, any suggestions?
June 9, 2009 by jimmy junior

Math
Solve the equation: 4/3-x + 1/x+9 = 5/3-x Check all proposed solutions. Show work in solving and in checking.
July 7, 2009 by Crystal

Algebra Help
Please solve and check all proposed solutions. Show work for solving and checking: (x-2)/(x-1) + (2)/(x^2-1) = 0
August 3, 2009 by Jessica

Physics
Who was Isaac Newton? Write a brief paragraph about his life and work (include a bibliography)
August 15, 2009 by kt

MATH
i WANTED TO CHECK MY WORK THE QUESTION IS DIVIDE 4 1/5 BY 14 AND WRITE ITS SIMPLLET FORM...I THOUGHT THE ANSWER WAS 58 4/5
September 5, 2009 by A

math
i WANTED TO CHECK MY WORK THE QUESTION IS DIVIDE 4 1/5 BY 14 AND WRITE ITS SIMPLLET FORM...I THOUGHT THE ANSWER WAS 10/3
September 5, 2009 by sally j

physics
Who does more work if your friends pushes a something four times further than you with half the force?
October 1, 2009 by Joanna

Algebra
How do you factor -2x^2+x+15=0? I know it should be (2x ) (x ) but I cannot find two other factors which will yield 15 AND x. 5 and 3 doesn't work and neither does 15 and 1. Could you explain what could?
October 15, 2009 by Mitchell

Maths
how would you work out y=2/x and y=-n/x the minus is for the whole fraction please show your working thanks in advance :)
October 31, 2009 by Greg

physics
A spring has k = 88 N/m. Use a graph to determine the work needed to stretch it from x = 3.6 cm to x = 5.6 cm, where x is the displacement from its unstretched length.
November 17, 2009 by frank

maths
I'm doing a cashflow BUT I'm stuck on something. It says 1,440 pa paid monthly. What does pa stands for and how do i work it out?
December 15, 2009 by fatima

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