Tuesday

September 1, 2015
Number of results: 40,635

**chem**

How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C? Show all work used to solve this problem.
*February 8, 2012 by alex*

**Physics**

A man carries a 10 kg sack of groceries in his arms with a force of 50 N as he walks forward a distance of 10 m. How much work has he done? Is this a trick question?
*February 8, 2012 by Mishaka*

**English**

What was so great about Henry Wadsworth Longfellow when it came to his work? What inspired him make write the types of poetry that he had?
*March 6, 2012 by Anonymous*

**Algebra**

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55
*March 22, 2012 by sherry*

**Physics**

A 185kg refrigerator is loaded into a van by moving it up a 10.0m long frictionless ramp that is at an angle of 11.0 degrees. How much work is done?
*April 1, 2012 by Marilyn*

**Physics**

A monoatomic gas expands isobarically.What will be the percentage of heat supplied that increases the thermal energy and that involved in doing work for expansion?
*April 9, 2012 by Tulika*

**math**

Which value below is a possible solution to the compound inequality 0<3x<30? A. 5 B. 3.2 C. 45 D. -17 If you are substituting these number for x, then C and D do not apply; however, A and B both work. Is this how I should be doing it?
*April 12, 2012 by Jane*

**triggggggg**

Find the vertex and axis of symmetry of y = -2x^2 + 4x + 1. Show all of your work and justify your reasoning. Note: The ^ symbol means to the power.
*April 17, 2012 by cheyanne marie*

**triggggggg**

Find the vertex and axis of symmetry of y = -2x^2 + 4x + 1. Show all of your work and justify your reasoning. Note: The ^ symbol means to the power.
*April 17, 2012 by cheyanne marie*

**Pre calculus**

How do you work this problem? Find the exact value of sin 2u, cos 2u, and tan 2u given that cot u=3 and 180<u<270
*May 14, 2012 by Cynthia*

**MATH**

Write a two-step equation that needs the steps of addition then multiplication in order to be solved, and then solve it. Show your work.
*May 24, 2012 by leya*

**physics PLEASE I NEED HELP**

Wally now lift the box of the floor and put it on a shelf. Does he doing any work? If not why? If so .what energy change is accurring?
*June 1, 2012 by lisa*

**Society & Environment Engineering**

The art of getting work done from the people for the predefined goal is called a)Management b)Administration c)Both a & b d)None of these
*August 3, 2012 by Rajan*

**Algebra2**

Can Someone Check My Anwsers? 1. -17=10x+3 = x=2 2.9x+5=7x+3x-2 = x= 7/1= 7 #I Do Have My Work Shown, On a Seperate Sheet Of Paper . But I Want to Know If I Got My Answers Right.
*August 16, 2012 by Sara*

**pre-calc**

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*

**Science**

While rearranging a dorm room, a student does 378 J of work in moving a desk 2.8 m. What was the magnitude of the applied horizontal force?
*September 19, 2012 by KeKe*

**Calculus -Series3**

Find the sum of the following convergent series: (a) Ei=1 1 / (3i - 2)(3i + 1) I know that it equals: = 1/4 + 1/28 + 1/70 + 1/130 + 1/208 a= 1/4, but I can't figure out what r = 1/4 * 1/7 = 1/28, but from 1/28 to 1/70 and so on it doesn't work anymore.
*September 20, 2012 by Paul*

**geomatry**

the length of the radius of th dartboard is 9in. the diameter is represented by the expression 3x+3 write an equation that you cansolve for x then solve for x the x=5 but how do you work it out
*September 26, 2012 by shea*

**Math**

An invoice of $12,000 is dated April 5. The terms 5/10,n/30 are offered. Find the amount due if the discount is earned. Show your work.
*October 12, 2012 by Allie*

**physics**

A 67.5 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.090 m/s. How much work must be done to stop it?
*October 30, 2012 by tom*

**psych**

Alfred Binet's work is associated with intelligence testing visual perception psychopathology comparative psychology classical conditioning
*November 1, 2012 by george*

**physics**

two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?
*November 4, 2012 by Grane*

**physics**

two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?
*November 4, 2012 by Grane*

**Chemistry**

Can someone help draw/explain the Lewis Dot Structure for OPBr3. I've tried different things, but none of them seem to work.
*November 19, 2012 by M*

**psychology**

Can you give examples perhaps in a work setting or even in society on contrasting differences between a dominat culture and subclulture?
*November 28, 2012 by Tameika*

**Chemistry..**

A compound whose empirical formula is NO2 could have a molecular mass of what? a) 23 b)39 c)92 d)120 0 please explain and show your work.....
*December 17, 2012 by Anonymous*

**calculus**

find the complex zeros of the polynomial function. write f in factored form. f(x)=x^3-10x^2+42x-72 please show work.
*December 22, 2012 by Jimmy-can someone please help*

**science**

how much gravitational potential energy does the pile driver have when it is lifted to a height of 15m? show work please
*January 7, 2013 by Taylor*

**science**

how much gravitational potential energy does the pile driver have when it is lifted to a height of 15m? show work please
*January 7, 2013 by Taylor*

**science**

you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why or why not?
*January 13, 2013 by ricardo*

**science**

you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why or why not?
*January 13, 2013 by ricardo*

**Trig**

Find the point on the terminal side of θ = three pi divided by four that has a y coordinate of 1. Show your work for full credit.
*January 20, 2013 by Mitchel*

**science**

what must the crane work against in order to lift the box upward? . wind . friction . gravity . cable tension
*February 6, 2013 by ninel*

**science**

While rearranging a dorm room a student does 286 J of work to move a desk 1.3 m. What was the magnitude of the applied horizontal force?
*February 21, 2013 by Valerie*

**science**

While rearranging a dorm room, a student does 286 J of work in moving a desk 1.3 m. What was the magnitude of the applied horizontal force?
*February 21, 2013 by Valerie*

**science**

While rearranging a dorm room, a student does 287 J of work in moving a desk 2.5 m. What was the magnitude of the applied horizontal force?
*February 25, 2013 by Kim*

**Life orientation**

What can thembi do to deal with the unethical behaviour?name 4 action she can take. 3.3.3 How should discrimination in the work place be dealt with?
*March 3, 2013 by Sarah*

**booker washington**

The lawyer suggested that you and __________ work to find an agreement outside the courtroom, for the trial would be long and unpleasant
*March 19, 2013 by dories*

**math**

a family walked 15 miles in one day . at that rate how many would they travel in 5 days? make a table to show your work
*April 4, 2013 by jill*

**science**

Calculate the work done by lifting a stack of books 0.5 m onto a table. The force you exerted eas 150N. Please help I am lost as how to do this
*April 5, 2013 by Cherie*

**Physics**

How much work is done pushing a wheel barrow full of cement 5.3m forward if a force of 500N is applied 20 degrees from the vertical?
*April 11, 2013 by Ted*

**science**

Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure. Show all your work.
*April 15, 2013 by bob*

**social studies**

The main work of representatives in a parliament is a.running trials b.trining an army c. kkeeping the peace d.making laws
*April 21, 2013 by Becky*

**science**

if a person puts 500 newtons into pushing an immovable wall that was 2 meters tall how many joules of work would they do
*May 30, 2013 by Hannah*

**English**

Could you help me to order these sentences, 1. Wha do you do couldallow us to couese in work time is. 2. To new might you skill a want about learning think.
*July 24, 2013 by Agus*

**Calculus**

A position function has the positions listed below. t 2 4 7 10 12 f(t) 34 98 155 205 271 Approximate the instantaneous velocity at t=5. show work.
*September 16, 2013 by DW*

**College Algebra**

solve the polynomial inequality and graph on number line. express in set interval rotation. Show work x^3 - 3x^2 - 9x + 27 < 0
*November 24, 2013 by Jenn*

**US History**

2. Explain how trusts, pools, holding companies, and communities of interest work to reduce competition and to introduce 'economies of scale.'
*January 9, 2014 by Adam*

**American History**

In the 1840s, the Spanish recruited _______ laborers to work on plantations in Cuba. A. Chinese B. Vietnamese C. Japanese D. Indonesian
*January 21, 2014 by Victoria*

**physics **

calculate the work done on a 1550kg elevator car by its cable to lift it 40 m at constant speed assuming friction average 125 n
*March 10, 2014 by Mohanad*

**physics**

a car thats 1000 kg is stopped and the brakes exert a force of 3000 N over a distance of 891 meter, how much work is done?
*March 12, 2014 by Anonymous*

**Multiply write the result in scientific notation.**

Its only practice work but I NEED the extra points. These are the problems I am having trouble with: (9*10^4) (8*10^6)
*May 30, 2014 by nonononono*

**chemistry**

what mass of the following compounds will dissolve in 200g of water at 30 degrees Celsius a) CuSO45H2O b) KNO3 c) NaNO3 how do a work it out, thanks
*July 24, 2014 by sylvie*

**Pre-Calc Help!**

I really need help with this question. Thanks! Find the zeros of the function algebraically. Be sure to show all work. f(x)=x^2-8x+15 --------------- 10x
*September 19, 2014 by Lori*

**english**

how do u write an outline over someone you admire like for instant my cousin who helped me in band, athletics and school work??
*September 23, 2014 by tessa*

**Math- AP Calc **

If 3x+xy+4y=8, what is the value of d^2y/dx^2 at the point (1,1)? My work: 3+(x)(dy/dx)+(y)+4(dy/dx)=0 dy/dx(x+4)=-3-y dy/dx=-3-y/x+4 2nd Dervative: (x+4)(0-dy/dx)-(-3-y)/(x+4)^2 (x+4)(-(-y-3/x+4))-(-3-y)/(x+4)^2 (x+4)(y+3)/(-x+4)+(y+3)/(x+4)^2 *Mult. everything by (-x+4) ...
*October 6, 2014 by David*

**Math**

Solve the quadratic function y=2x^2-14x -16 by completing the square. Round roots to the nearest hundredth, if necessary. Show your work.
*October 30, 2014 by Alex*

**work with parents and families**

To succeed, a parent-caregiver relationship must be based on mutual A. Trust B. Wariness C. Doubt D. Ability A.
*November 2, 2014 by Amanda*

**Geography**

How to write a letter to the Indian Prime Minister highlighting the issues to do with Sweatshops,who work in them and what effect they are having on the people and the country....
*November 3, 2014 by Damian Donarski*

**Physics**

1) Please describe the structure of a hurricane,and how they work. Include a discussion of how energy is transferred from the warm ocean water up to the sky.
*November 6, 2014 by Devynn*

**Algebra 2**

More About Complex Numbers Find the conjugate of each number. 1.)squ root of 3-7/8i 2.) 2-mi 3.) 6 Please show work I need help
*November 18, 2014 by Alicia*

**Chemistry/Physics**

When 1mol of a gas burns at constant pressure, it produces 2430J of heat and does 5kJ of work. Calculate change in H, q, and in kJ?
*November 20, 2014 by Vanessa Ozuna*

**Math--1 question**

Find the mean, median, mode, and range of the data: 32, 34, 30, 35, 33, 31, 54. If necessary, round to the nearest tenth. Show your work.
*November 26, 2014 by Anonymous*

**physics**

A robot arm expends 15J of work to extend a spring 10cm from its equilibrium position. How much force is required?
*November 30, 2014 by Leah*

**Algebra 2**

Solve each polynomial equation. If a solution occurs more than once, state it's multiplicity. 4x^4-13^2+9=0 Please show work I need help
*December 11, 2014 by Alicia*

**mrr high school**

Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.
*January 2, 2015 by mona*

**Chemistry**

HAve to find a formula to work out the energy required to thermally decompose water into hydrogen and oxygen.
*January 12, 2015 by Big*

**chemistry**

How much work is done at 1.2 atm and 316 K when 1 mole of propane undergoes combustion? C3H8 (l) + 5O2 (g) → 3CO2 (g) + 4H2O (l)
*January 21, 2015 by madison*

**physics **

You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and it moves upward with an acceleration of 0.760 m/s2.
*February 8, 2015 by Eva*

**Physics**

While rearranging a dorm room, a student does 312 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force?
*February 13, 2015 by yazi*

**Vectors Math**

A 5 N force which acts along the direction vector (2, 3), moves an object from A(1, 3) to B(3, 7). Find the work done if the given units are metres.
*February 23, 2015 by Jaidon B*

**math please help **

In a triangle, we have <ABC = <ACB = <DEC=<CDE, BC = 8, and DB = 2. Find AB. How should i approach this? will sss similarity work?
*April 2, 2015 by Gem*

**pre-calc**

Use mathematical induction to prove that the statement is true for every positive integer n. Show your work. 2 is a factor of n2 -n+2
*April 17, 2015 by Ciara*

**Physics**

Calculate the work required to pull a wagon along a horizontal road for 4.0x10^2 m at a constant speed of 3.0 m/s if the force of friction is 8.0 N.
*April 28, 2015 by Richard*

**ANT101 **

The ___ method of anthropology is useful in many different work settings. (Points : 1) marketing pedagogical statistical participant observation
*May 2, 2015 by Anonymous*

**Math**

I need help with one of the algebra with pizzazz worksheets. Its DD-39 AKA "Why did the banana go out with the prune?" I got the answers but not the work. Please help.
*May 27, 2015 by Bayley*

**Chemistry**

What is the total internal energy change (∆E), in J, of a system that releases 202.90 J of heat and absorbs 315.7 J of work from the surroundings?
*June 10, 2015 by Katie*

**fct Omoku Nigeria**

Calculate the work done when a system raises a volume of water of radius 5.0mm through 10cm in thermodynamic.
*July 8, 2015 by mokwe chioma Rose*

**Physics**

How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)
*August 18, 2015 by Anonymous*

**chemistry**

how would you begin this question? An empty 15.0 L cylinder, .500 moles of gaseous PCl5 are added and allowed to reach equilibrium. The concentration of PCl3 is found to be .0220M. (Temp at 375K) PCl3(g) + Cl2(g) --> PCl5(g) i need to fine how many moles of PCl5 remain at ...
*April 28, 2007 by Anonymous*

**physics**

I keep on getting the second part wrong. Can you please tell me where I messed up? Thank you. The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. ...
*June 26, 2015 by Lola*

**ALGEBRA 1!PLZ HELP!**

Use the Substitution method to solve the system of equations. y - 2x = -5 3y - x = 5 Solve the first equation for y. y = 2x-5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back into the first equation and solve for y. Post ...
*November 6, 2006 by SANDRO!*

**Chemistry**

drwls, if you are there, I got an answer of 42.5 Kelvin, so then that means it is a negative number if converted to degrees Celsius? Question: The heat capacity of a bomb calorimeter is 87.5 kJ/K (this value is for the total heat capacity including that of the water jacket ...
*December 12, 2007 by Anne*

**math**

1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when b=8 and h=6 2)Determine the equation of any vertical asymtotes of the graph of f(x)=2x+3/x^2+2x-3 1) Area of a triangle is 1/2 b*h=A use the formula ...
*August 21, 2007 by Marissa*

**statistics**

To find out what people think, the Gallup Poll selected a random sample of 520 women and 506 men. The pollsters showed them a list of personal attributes and asked them to indicate whether each attribute was “generally more true of men or of women”. When asked about ...
*June 27, 2014 by Devin*

**7th grade math Ms. Sue please help I have no idea!**

#10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements? * *Show all your work for full credit* #11 The coordinate of rectangle ABCD are given. Find the coordinates of its image ...
*November 5, 2012 by Delilah*

**check over--**

this is a book review for 9th grade honors english. does it look OK? are there any errors or anything? thanks-- The novel Dairy Queen by Catherine Murdock is the story of 15-year-old D.J. Schwenk who lives in Red Bend Wisconsin. Her father gets injured and can no longer take ...
*May 29, 2008 by Anonymous*

**accounting**

Situation Parent, Inc. is contemplating a tender offer to acquire 80 percent of Subsidiary Corporation's common stock. Subsidiary's shares are currently quoted on the New York Stock Exchange at $85 per share. In order to have a reasonable chance of the tender offer attracting...
*January 14, 2010 by John Ackah*

**Math**

Determine the color, driver and mpg of each car by the information: * Five different drivers -- Cox, Durham,Gosling, Heynek and Wollinsky. ---------------------------------------- * Car colors-- blue, green, red, white and yellow. ---------------------------------------* Each ...
*August 29, 2008 by Mary*

**math help, test tomorrow!!!**

For 0 <or equal B <or equal 2 pi determine all solutions of sinB + cos B = SinBcosB find the area circle with a 7inches radius.use22/7.
*November 21, 2006 by hi*

**Science**

Explain why the life cycle and skin of the frog make it a good indicator animal if you want to determine the health of local ecosystems. Please please help. Thanks so much.
*September 9, 2007 by mary*

**Math**

To determine if 3417 is prime, you would have to try dividing 3417 by every whole number less than 3416. True or false and how did you get the answer
*December 4, 2007 by Beth*

**Statistics**

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what interval you would expect the middle 95% of the IQ scores to be found.
*February 25, 2008 by Math help*

**Biology**

Unit of measurement that scientists use to determine the diameter of an animal cell is the 1 - millimeter 2 - micrometer 3 - nanometer 4 - meter I am stuck on this question, but I believe it is #3 nanometer
*March 10, 2008 by Sarah*

**chemistry**

When referring to percent ionization values given in a acid/base table, how to determine what is the hydrogen ion concentration of a 0.10 mol/L solution of hydrofluoric acid?
*April 8, 2008 by Jay*

**Biology-Introduction to Animals**

Describe the organization of the animal kingdom and at least 6 physical characteristics scientists consider to determine the evolutionary relationships among animals.
*May 6, 2008 by Mike*

**math question**

I have the equation 3f+2.50h=240 and I want to make a table of values with at least five possible combinations. How do I determine which combinations I should use?
*June 1, 2008 by Calie*

**Grammar**

Determine the category of "friendly" in the following sentence. Use the substitution and co-ordination tests to justify your answer: David gave Mary friendly advice.
*October 6, 2008 by Danielle*

**math**

Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.
*July 26, 2009 by Amy*

**PHYSICS**

The four tires of an automobile are inflated to an absolute pressure of 200000 Pascals. Each tire has an area of 0.024 m^2 in contact with the ground. Determine the weight of the automobile.
*February 21, 2010 by Helen*