Friday
January 30, 2015

Search: umm it won't work

Number of results: 19,195

Chemistry
What is the pH of a solution that has a concentration of hydronium ions that is 4.7 × 10-4 molar H3O+? Show, or explain, the work used to solve this problem.
June 13, 2011 by Johnny

math
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8y + 2x = 48 2x = 4y – 12
June 20, 2011 by Taina

algebra
solve using the eliminatin method. show your work. if the system has no solution or an infinite number of solutions,state this x+y=10 x-y=2
June 30, 2011 by Anonymous

algebra
solve using the elimination method. show your work. if the system has no solution or an infinite number of solutions, state this x+y=10 x-y=2
June 30, 2011 by Anonymous

Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = -36, 4x + 4y = 12
July 1, 2011 by Tammy

Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12
July 3, 2011 by toni

Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12
July 5, 2011 by gina

algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12
July 6, 2011 by tom

algebra
solve by the substitution method: 8m+n=47 m-5n=52 thank you having trouble completing please show all work so I can learn better
July 26, 2011 by Barbara

PHYSICS
Give some examples of applications that resulted from work done by physicists? Radios, Televisions, CD's, Computers, etc. Is my answer correct?
September 7, 2011 by Anonymous

Algebra
Sovle using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this -2x + 3y = -37.5 -4x + 0y = -24
September 18, 2011 by Destiny

Chemistry
What is the threshold energy of Chromium? I know the answer but i need to show work and through all the equations to get done i get lost. So can someone help me.
October 12, 2011 by Casey

physics
A uniform chain 10m long and weighing 6 kg permetre hangs vertically.calculate the work required to wind it up
October 14, 2011 by vishal

English Composition
We are to write a paragaph on how contentment plays a part when we balance school, work, and family. I'm not sure how to start.
October 17, 2011 by Diane

Psychology
example of work smarter, not harder. I need one sentence of how this phrase could apply to launching internet search.
October 20, 2011 by Sharon

college algebra
Solve the following equation in the real number system. Please show all of your work. 2x^3-3x^2-14x+15=0
October 29, 2011 by julez

math
In Jamison's backpack, he only keeps nickels and quarters. He has 30 coins in all. How many of each coin does he have? Show work.
November 1, 2011 by Cindy

Pre-Calculus
It may look lame but I can't work out how to solve (-9) sqrt(4-x^2) = 4x + 5sqrt2. I need some guidance, please.
November 20, 2011 by Helga

health care
What is the difference between descriptive and inferential statistics? Provide example how you could apply both in your work environment
November 22, 2011 by pj

geometry
please tell me if you know of any websites that would be helpful with information on Euclid's life, the scope of his work, and his importance to mathematics
December 18, 2011 by Brianna

pre calculus
Solve the exponential equation Express you solutions in exact form only Please show your work e^2x - 9e^x - 20 = 2
December 20, 2011 by anon

pre calculus
solve the following equation in the complex number system Please show all your work. 5x^5 + 32x^4 - 5x - 32 = 0
December 21, 2011 by Michelle

Chemistry
How many atoms are present in a sample of 2.0 x 10^23 molecules of C7H5(NO2)3? Do you use Avogadro's Number? And please show work.. :)
January 6, 2012 by Sunny

precalculus
solve the exponential equation express in exact form only show all work. 2e^x= squareroot 10e^x +3
January 11, 2012 by Sara

college algebra
Solve the following equation in the complex number system. Please show all of your work. 2x^5-3x^4-32x+48=0
January 18, 2012 by Jo

algebra 2
how do you find a quadratic equation if you are given the solutions such as x=2/3 and x=-4 can you work out the solution of how you got your answer please
January 18, 2012 by kay

physics
A uniform steel chain 20 m long and with a mass of 5 kg per m, hangs vertically. Compute the work required to wind it up
January 24, 2012 by joan

English
Does this sentence work? Lana, the protagonist of the novel, struggles to reach her dream, but only to encounter a succession of dilemmas from the .
January 24, 2012 by saphire

math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2
February 2, 2012 by Shirley

Math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2
February 2, 2012 by Shirley

English
F. Scott Fitzgerald dropped out of college to ..... begin writing. get married. join the army. work for his father.
February 5, 2012 by Sara

math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9
February 5, 2012 by Shirley

Calculus
Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out!
February 5, 2012 by Elaine

Medical Terminology
Why is it so important to know terms that are associated with all of thedifferent body systems even if you were to only work with onesystem?
February 6, 2012 by Tony

physics
under what conditions can you use the formula W=Fnetd to calculate the work done on an object? Describe at least two requirements.
February 25, 2012 by Anonymous

physics
Calculate the work required to lift a 20kg object from the floor to a height of 2 meters. Give your answer in Joules
February 26, 2012 by Darcie

Physics
This problem is about the work-energy theorem. What is the final speed of the particle? Express your answer in terms of K_f and M.
March 1, 2012 by Jenni

algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -8x – 2y = -28 -3x + 5y = 47
March 4, 2012 by Anonymous

algebra
Write the slope intercept equation for the line that passes through (14,-2) and is perpendicular to 7x-10y=18.Please show work.
March 19, 2012 by sherry

math - please help
What is the rotational speed (rpm) of the 64 in diameter rear tires of a tractor traveling at 6.5 mph if there is no slippage? How do I work this? Thank you.
March 31, 2012 by Nilan

us/101
How do you think collaboration fosters a critical thinking? How might the two work together in your academic and personal life?
April 5, 2012 by poppyseed

physical science
Sarah lifts a 345 g shopping bag a distance of 1.2 meters onto a shelf. How much work was done?
April 12, 2012 by Katie

Science
Eight bricks 6 cm thick with mass 1.5kg lie flat on a table.how much work is required to top them one on another?
May 14, 2012 by Christopher

algebra
i have to write a number in the block to make this true how do i get the answer for 70-30=40- please show me a example so i can complete my work
May 22, 2012 by avonia

social studies
what does this sentence mean im doing a project on queen eilzabeth i *how did his or her work signal a rebirth or show an interst in humanity?
May 22, 2012 by Anonymous

physics
Mitch carries a large cat from one end of his bedroom to the other.does he do any work?if not why? if so,what energy change is occurring?
May 31, 2012 by lisa

PHYSics PLEASE I NEED HELP
wally holds a pillow over his head for an hour does he do any work ? if not y? what energey changes is accouring?
June 1, 2012 by lisa

math
Determine if each function is even, odd or neither. Show all work and include an explanation of any symmetry that exists. A) y = x^4 + 4x^2 B) y = 3x^3 - x - 3 C) y = x^5 - x^3 + x D)y = 3
June 9, 2012 by liban

math
Determine if each function is even, odd or neither. Show all work and include an explanation of any symmetry that exists. A) y = x^4 + 4x^2 B) y = 3x^3 - x - 3 C) y = x^5 - x^3 + x D)y = 3
June 11, 2012 by liban

algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x-6y=2 -8x+6y=-26
July 3, 2012 by Ann

algebra
Solve using the elimination method. Show your work. If the system has not solution or an infinite number of solutions, state this. -2x-8y=-42 -4x+6y=-18
July 3, 2012 by Ann

Algebra
Solve using the elimiation method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x=6y= -2 -8x+6y= -26
July 5, 2012 by Ann

science
how much work is done in bringing three electrons , which are intially a great disance apart to how fats will it be moving then it is at distance ?
July 19, 2012 by mohit

Physic
Calculate the average speed of an oxygen molecule (with a mass of 5.3e-26 kg) at room temperature (300 Kelvin)show your work
July 22, 2012 by Luis

COM/215
REVISE Studying is hard work many students find they study better when they take regular breaks.
August 8, 2012 by Sonia

Maths
What steps were taken to get px-2x^2 to be p-4x?? I can't work out what happened to the 'x' after 'p'. I can see that 2x^2 equals 4x though. Any help would be much appreciated :) Thanks
August 14, 2012 by Cara

math
The following sets of ordered pairs are functions. Give a rule that could describe each function. Please show your work. A.{(5,3),(7,5),(11,9),(14,12)} B. {(2,5),(3,10),(14,17),(5,26)}
August 18, 2012 by mary

college algebra
graph the function and state the vertex axis of symmetry, the intercepts, if any: f(x)=x^2-8x+15 Please show work so i can understand this. thank you
August 18, 2012 by alli

college algebra
analyze the graph of the following function. r(x)= x^2+x-6 -------- x^2-x-2 there are 8 steps but they dont make sense to me... please show work!! thanks
August 21, 2012 by alli

math
Show that f and g are inverse functions algebraically. f(x)=x^3/2 g(x)=3 cuberoot 2x My work so far: (3sqrt2x)^3 ------------ 2 I need help on the numeral part of the expression
September 11, 2012 by Annie

statistics
A student scored 30 percent on a test, and was in the 24th percentile. Explain these two numbers! Please show work!
September 29, 2012 by Anonymous

science
a person needs to push a lever down with a force of 16.5N and a distance of 0.75 to lift the rock 0.25m. how much work is done?
October 18, 2012 by sassy

CHEMISTRY
Describe how you would prepare 250. mL of a .500 stock solution of sodium hydroxide. (show all work)
October 28, 2012 by TYLER

Chemistry
what mass of water will be formed by reaction of 3.50g of methylamine (8CH3NH2) with 15.0g of perchloric acid (13HClO4)? Answer is 99.1. How do you work this?
November 6, 2012 by Michelle

college algebra--I really need help!!
Find the domain of the composite function FOG f(x)= 2/x-3; g(x)= 7/x please show work so I can undestand
November 25, 2012 by Ladybug

Chemistry
How to work out: The half-life of Indium-116 is 14 seconds. How long will it take for 32g of this isotope to decay to 1.og?
December 1, 2012 by Anonymous

maath
how many times did the minute hand of a clock rotate during March this year ? please explain how you work it out,thanks
December 2, 2012 by wan

Physics
How much work is done to the wagon by the girl pulling her brother shown in Figure 4.16, if she travels 25 m? F= (50N), 30 DEGREES ANGLE
December 13, 2012 by juninho

work test
ryan discounts an 80-day note for $15,000 at 12 percent. the bank discount is: (assume ordinary interest)
December 19, 2012 by peg

calculus
Find the midpoint of the line segment joining the points P1 and P2 P1=(-1,5); P2=(2,0) m=(x,y)=? type an ordered pair Please show work
January 1, 2013 by Lisa

ALLIED HEALTH
If you work in a hospital or doctor's office and assign numeric values to procedures and diagnoses for the purpose of reimbursement, you are a
January 24, 2013 by SAM

physical sciences
how much work is required to accelerate a can with a mass of 1000kg from 20 metre per second to 30m cubed
February 1, 2013 by gedletoon physics

MATH
2(7w-1w+7)>122 ? what work would i do? im just learning inequalties and i have a quiz tomorrow with problems like this, please help!
February 6, 2013 by PLEASE HELP ME

Calculus
How do I answer these questions. Please show work. The answers are through the link as a png image. THanks! h t t p : //goo.gl/NNf9A
February 8, 2013 by Madeline

ETSU
How much work is done when a force of 800.0 N is exerted while pushing a crate across a level floor for a distance of 1.5 m
February 9, 2013 by Rick

Chemistry
Determine the theoretical field of aspirin for a student who started the experiment with 2.489 g of salicylic acid. Show your work.
February 12, 2013 by Margaret

Chemistry
How many grams of magnesium sulfate would you need to make 0.500 L of a 10.0% M/V solution in water? Please show work.
February 18, 2013 by Margaret

English
For the speaker in "Local Sensibilities," pineapples represent: A: his favorite food. B: a Thankgiving ham. C: tourist D:work Answer B ?
March 4, 2013 by Ciara

English
For the speaker in "Local Sensibilities,"pineapples represent: A: His favorite food. B: A Thanksgiveing ham. C: tourists D: work. Answer: B ?
March 26, 2013 by Ciara

english
For the speaker in "Local Sensibilities,"pineapples represent: A: His favorite food. B: A Thanksgiveing ham. C: tourists D: work. Answer: B ?
March 27, 2013 by Ciara

physics
five joules of work are needed to shift .5 C of charge from one place to another. the potential differences between the places is
April 8, 2013 by Susan

physics
five joules of work are needed to shift .5 c of charge from one place to another. the potential differences between the places is
April 9, 2013 by Susan

physics
The work done by non-conservative forces is equal to the total change in kinetic and potential energy. True or False?
April 15, 2013 by kelsi

Math
Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/(m2)^2 + m2/(m1)^2. Please work the complete solution.
April 23, 2013 by Watson

Math
Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/ (m2)^2 + m2/(m1)^2. Please work the complete solution.
April 23, 2013 by Watson

social studies
Why should slaves have less hours to work? REMEMBER THINK LIKE A PERSON FROM 1855!!
April 25, 2013 by Aleyshka

5th grade math (dividing fractions)
Can you check this problem? How many twelfths are in one sixth? work: 1/6 divided by 1/12 = 1/6 * 12/1 = 2 ans= 2
May 13, 2013 by Alex

Physics
If the coefficient of kinetic friction is 0.25, how much work do you do when you slide a 45 kg box at constant speed across a 5.8m -wide room?
May 30, 2013 by James

math
15 tv were shipped 4 were defective if 2 tv's were random selected compute the possibility of both tv's working and the probability that at least one of the 2 tv does not work
June 6, 2013 by linda

English
Explain why the literary work captured your interest, using term and concepts form the text to support your explanation.
June 10, 2013 by gail

College Algebra
1 -1 -1 1 2 0 1 -3 -7 0 3 0 -2 2 10 6 2 4 5 9 -3Row1 + Row3 -6Row1 + Row4 How do I work this using a calculator I get so confused and I don't know where to go in order to input info.
July 6, 2013 by Julie

Chemistry
Calculate the work done (in joules) by a chemical reaction if the volume increases from 3.3L to 3.5L against a constant external pressure of 3.7atm .
July 12, 2013 by Karina

biology
Certain spider toxins work by inhibiting Ca2+ channels. Briefly explain how this works and what happens to the person.
July 13, 2013 by loveag

Carr Middle School
Math 601 divide by 57. I need to show all the work for this long division problem.
September 1, 2013 by Makayla

Mathematics
If a 75 kg person pedals a Monarch leg ergometer at 50 rpm, how much resistance is needed to work at a level of 11 METs?
October 6, 2013 by Natasha

physical science
A girl on a bicycle drags a wagon full of newspapers at .80 m/s for 30 min. using a force of 40 N. How much work is done?
October 27, 2013 by landon

Gen chem 2
calculate the work performed if a balloon contracts from11.75 L to 806 mL due to an external pressure of 3.9 atm.
November 6, 2013 by Stacey

American History!!!
How was the development of interchangeable parts an example of the move to make work "less skilled" in the early 1800s?
November 16, 2013 by Emily

Math
Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You
January 18, 2014 by Keith

physics
A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity
January 22, 2014 by izzy

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