Thursday

May 28, 2015

May 28, 2015

Total # Posts: 669

**Algebra**

the domain will be all real numbers because any number squared is positive
*November 1, 2009*

**basic chem conversion**

I have 760 mm Hg at 10 km. How do I convert this to atms? I know that 101.3 atm is equal to 760 mmHg but i dont know how the 10 km will affect this.
*November 1, 2009*

**social studies**

Search for roman empire religion culture war conflict in google and go to the first link
*November 1, 2009*

**Math**

thats the same as 6+4x=1 take out a 2 : 2(3+2x)=1 divide each side by 2: 3+2x=(1/2) take 3 from each side: 2x= (-5/2) then divide each side by 2 to get x: x= -5/4
*November 1, 2009*

**ms. sue**

please help We're going over hybridization right now, like sp3 and stuff. But I dont understand how you got it at all. Can you please tell me the hybridization for these two examples I made up and explain how you got it thanks 1. NH3 2. PF5
*October 20, 2009*

**science**

rolling friction- riding your bike or skateboard sliding friction-cartlige against your bone static friction- you trying to push a heavy bookcase fluid friction- when you ride your bike through the air (this is when an object moves through anything flowing. yes, air counts)
*October 20, 2009*

**Chemistry**

We're going over hybridization right now, like sp3 and stuff. But I dont understand how you got it at all. Can you please tell me the hybridization for these two examples I made up and explain how you got it thanks 1. NH3 2. PF5
*October 20, 2009*

**MATHS**

I meant 2098 I made a mistake
*October 20, 2009*

**MATHS**

3524 kg just double the mass of the truck when its half full
*October 20, 2009*

**Biology**

Enzyme is a protein that is a biological catalyst that increases the rate of a reaction. All enzymes are protein but not all proteins are enzymes
*October 20, 2009*

**Physics**

A ball is thrown directly downward, with an initial speed of 7.40 m/s, from a height of 31.0 m. After what time interval does the ball strike the ground? I thought it would be 31 m / 7.40 = 4.18 seconds, but it's the wrong answer.
*October 10, 2009*

**Physics**

The minimum distance required to stop a car moving at 46.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 80.0 mi/h, assuming the same rate of acceleration? Can I do a proportion or is this totally different?
*October 10, 2009*

**Mass Communication Studies**

What legal issues must be considered when digitally manipulating images downloaded from the Internet for use in a new book?
*October 6, 2009*

**science**

the doctor orders 0.200 mg of atropine im for you. the concentration recorded on the premixed syringe is 0.00100 g of atropine im per 10.0 mL of solution. how many mL should the nurse administer?
*October 4, 2009*

**science**

you have a daughter that weighs 11.0 kg. theh dosage for ibuprofen is 10.0 mg for every kg of body mass. the bottle has 20.0 mg of ibuprofen per cc of suspension. how many cc of suspension should you give her?
*October 4, 2009*

**Communication Law Studies**

Can publishing photos of people who are unaware that they are being taken can hold legal binding in court? If so how and under what statutes?
*September 21, 2009*

**college**

yes it is just posted the class for it. HCR/230 - CLAIMS PREPARATION II: FOOTING THE BILLS (AXIA)
*September 9, 2009*

**college**

Post a 200- to 300-word response to the following: Compare cost control strategies of employer-sponsored health plans, in which employers buy from insurance companies, to self-funded health plans, in which employers cover costs of benefits. Include the following factors: o ...
*September 9, 2009*

**Maths**

What is the reference angle for (27 pi)/5?
*August 14, 2009*

**Communication Studies**

Thanks for your insight to this question!
*August 3, 2009*

**Communication Studies**

Ah well first of all the person who goes to prison is found guilty of a crime. The hitting someone occurence could happen for any stupid reason. Your thoughts? How can I logically answer this question? If people feel that they must hurt or harm a person, what do the people do ...
*August 3, 2009*

**Communication Studies**

So to keep from feeling guilty they use a scapegoat or excuse?
*August 3, 2009*

**Communication Studies**

The question is what do they do not to feel guilty? They should feel guilty, but some people don't. Is there a logical answer to this question? Thanks!
*August 3, 2009*

**Communication Studies**

If people feel that they must hurt or harm a person, what do the people do to keep from feeling guilty about hurting that person?
*August 3, 2009*

**Communication Studies**

Thank you! I will check that out!
*July 29, 2009*

**Communication Studies**

What is a movie that shows an example of gender miscommunication? Are these characters on the margins of society, as depicted in the film, or are portrayed in a stereotyped way or as people who can be more honest because they are "marginal" people, those not co-opted...
*July 29, 2009*

**Math**

How do we express this in interval notation? x < 0 or 7 < x < 9
*July 26, 2009*

**Algebra**

Ok so the function is f(x)=k(x-r1)(x-r2)(x-r3) =k(x-(-5))(x-ã3)(x--ã3) Now to check this?
*July 21, 2009*

**Algebra**

What is r2 and r3 stand for? Not too sure how to check this. Can you show me please I got 10 more problems like this. Thanks!
*July 21, 2009*

**Algebra**

f(-5)= 1^3 +5(1)^2-3(1)-15 = -12. f(sqrt3) = 1^3 +5(1)^2-3(1)-15 = -12 f(sqrt-3) = 1^3 +5(1)^2-3(1)-15 = -12 Are these correct?
*July 21, 2009*

**Algebra**

Find a polynomial function of degree 3 with the given numbers as zeros. -5, sqrt3, -sqrt3
*July 21, 2009*

**Algebra**

Find the inverse of the relation: {(0,1),(5,6),(-2,-4)}
*July 20, 2009*

**Algebra**

Please Solve: t+1/3 - t-1/2 = 1
*July 1, 2009*

**Algebra**

Thank you for the help!
*June 17, 2009*

**Algebra**

f(x+h)-f(x)/h for f(x)= 4x+9 and simplify.
*June 17, 2009*

**Algebra**

I think I got it! Are the slopes of the given and parallel lines = ?
*June 17, 2009*

**Algebra**

so based on this her sales would be $740.16 money earned from weekly sales +225.00 base pay $965.16 Amy’s Weekly Paycheck Earnings
*June 13, 2009*

**Algebra**

Amy earns a weekly paycheck consisting of base pay of $225, plus a commission of 4.8% of her weekly sales. (a) Write an equation that can be used to determine Amy’s weekly paycheck P, given the amount of weekly sales s. (b) Determine Amy’s weekly paycheck if her ...
*June 13, 2009*

**Algebra**

Great! Thanks for the help! So R= 8 and the center is (-1,5) got it! Thanks again!
*June 12, 2009*

**Algebra**

That is what I thought, so the standard form would be (x-(-1]^2 + (y-5)^2 = 64
*June 12, 2009*

**Algebra**

ok based on that I would say the radius is 8 cause 8*8 = 64 and the center is (1,5)? Or do the signs change because of the equation (x-h)^2 + (y-k)^2 = r^2 making the center (-1,5)?
*June 12, 2009*

**Algebra**

State the center and the radius of the circle represented by the equation (x + 1)^2 + (y – 5)^2 = 64
*June 12, 2009*

**Algebra**

Thanks!
*June 1, 2009*

**Algebra**

0^2 = 0? Just wanna be sure
*June 1, 2009*

**Chemistry**

For one mole the ideal gas law is pV=RT , write down the exact differential dV. Would I be right to differentiate with respect to T and p separately?... V = RT/p dV = R/p - (RT)/(p^2)
*May 17, 2009*

**Chemistry**

In solution it would separate into ions. As this is a strong base it would be fully dissociated in solution i.e K+ ions and OH- ions.
*May 17, 2009*

**health**

Need help writing a report on nutritional value.
*May 14, 2009*

**Chemistry...Help?**

I believe the answer to part (B) can be found in your text in the chapter on Acid Rain. It that chapter, it states that Carbonic Acid acts in the environment to keep rainwater at a pH of between 5 and 7. It then goes on to dicuss the term acid rain as pertaining to ...
*May 12, 2009*

**calculus**

find the derivative for y= (tan^-1)e^x
*May 10, 2009*

**Accounting-business**

Can you please see if there is anything I can add to this. What are the ethical issues involved? What should Sue do and what decision-making approach should she take? This is what I have to this question so far. The Ethical issues are not following the accounting standards ...
*April 28, 2009*

**Accounting**

this is what I have to this question so far. Can you please see if there is anything I can add to this. What are the ethical issues involved? What should Sue do and what decision-making approach should she take? The Ethical issues are not following the accounting standards and...
*April 27, 2009*

**Accounting**

this is what I have to this question so far. Can you please see if there is anything I can add to this. What are the ethical issues involved? The Ethical issues are not following the accounting standards and ethics of accounting. Anne Distagne was the CEO of Linkage ...
*April 27, 2009*

**Chemistry**

How could the following transformation could be carried out. C6H5C=CH --> C6H5CH2CH20H I don't know how you would get a primary alcohol because I thought that following Markovnikov's rule any reaction would involve addition onto the other carbon.
*April 18, 2009*

**Accounting-business**

I need to write a paper on this can anyone help me please? Write a paper in which you assume the role of Kardell's Ceo. Assume there is a link between the chemical spill sonox and the Company and take immediate step to upgrade the plant to prevent future spillages.
*April 18, 2009*

**chemistry**

Would a thioester hydrolyse faster or slower than a normal ester and why? I think the thioester is slower, but I'm not sure why.
*April 13, 2009*

**Algebra**

So then the final answer is (m+4)(2a - 2)
*April 3, 2009*

**Algebra**

Factor (m + 4) (a – 5) + (m + 4) (a + 3)
*April 3, 2009*

**Algebra**

Please simplify. 5x ^-2 - 3y ^-1 _________________ x ^-1 + y ^-1
*April 2, 2009*

**Algebra**

Help please! I think this is the way to solve this problem, but am not sure. Any help is most appreciated. Thanks! Simplify (p^4 + m p^2m)^-4/(p^-4)^-m
*April 1, 2009*

**english**

I really dont have a question, but can you give me an example or sample of an outline of a historical person for a research paper.
*March 20, 2009*

**english**

Thank you GuruBlue and Ms. Sue!
*March 12, 2009*

**english**

Which is correct? If you do it correctly, it is hard. OR If you do it right, it is hard.
*March 12, 2009*

**Study Tips**

Any tips to help me study on a quiz [or any kind of tests] ? I have trouble getting all of the materials in my head. HELP?
*March 10, 2009*

**math**

Make a substitution. Let x = cos2t(theta) and you'll have 2x^2 + x-1 = 0 Then factor: (2x -1)(x +1)=0 x = 1/2 or x = -1 so cost = 1/2 or cost = -1 t = 60 degrees, 120 degrees or t = 180 degrees. In the second one, let cotx = 0 and cscx = 1/2 and now solve for the values ...
*March 10, 2009*

**math**

a quarter!:)
*March 2, 2009*

**Literature**

this is so helpful!
*February 21, 2009*

**Poem: I Hear America Singing By: Walt Whitman**

WOW, Great Explication!!!
*February 8, 2009*

**language**

What type of materials do you expect to review for your research paper?
*January 10, 2009*

**math**

how would you rathionalize the denominator of: f(x)= x/((x+4)^.5)-2
*January 4, 2009*

**IPC Science**

Everything you have been tested on, key concepts, terms ideas, as well as anything the teacher mentioned might be important.
*December 16, 2008*

**physics**

If a person radiates about 74 W of power at room temperature, how long does it take for a person to radiate away the energy acquired by consuming a 235 Calorie doughnut?
*November 22, 2008*

**Chemistry - please help**

I am not sure about the equation either. Obviously if I2 was being produced in the titration then the end point could be tested with starch, but the compounds I have found seem to be right according to the percentages, so I'm not sure what else the equation could be.
*November 21, 2008*

**Chemistry - please help**

An anyhdrous metal chloride, X, contains 37.4% Cl. X is a reducing agent, 0.895 g requiring 23.60 cm^3 of 0.100M KIO3 for complete oxidation in 3- 9M HCl. X reacts with potassium chloride to form an adduct Y, containing 14.8% K. Identify X and Y, and comment briefly on their ...
*November 21, 2008*

**Chemistry**

An anhydrous metal chloride, MCln, (1.500 g) is dissolved in water and the solution reacts with silver nitrate, requiring 47.34cm^3 of 0.5000M solution, to precipitate all the chloride as silver chloride. Identify M.
*November 20, 2008*

**Math**

For the harmonic potential V(x,y) = x^2 + y^2 a) Find the total differential, dV. For this I got dV = 2x.dx + 2y.dy b) Given that -dV = F(x).dx + F(y).dy, where F(x) and F(y) is the force in the x and y direction, respectively, write a differential equation describing the ...
*November 18, 2008*

**Physics**

For the harmonic potential V(x,y) = x^2 + y^2 a)Find the total differential, dV. b) Show that dV is exact c) Given that -dV = Fx.dx + Fy.dy where Fx and Fy is the force in the x and y direction, respectively, write a differential equation describing the change of potential ...
*November 14, 2008*

**Math**

Find the integral of f(x)=a/(x^2+a^2) given that d/dx arctanx = 1/(x^2+1)
*October 28, 2008*

**intrest groups-gov and pol**

FYI: AS i mentioned before. I DID SEARCH THE INTERNET. i FOUND TWO DEFs. I WAS ASKING FOR CLARIFICATION =)
*October 25, 2008*

**intrest groups-gov and pol**

Define the term "dirty dozen" i found two definitions online is it : The US state department hit list of the 12 most wanted in Saddam's regime, including his sons Uday and Qusay, or The list of the twelve most persistent organic pollutants (POPs) banned at a ...
*October 25, 2008*

**social studies**

What materials were/are South America Koji huts made of?
*October 22, 2008*

**physics**

(A multiple part problem) Find the tension in the three wires that support a 10.2kg light fixture. Each wire forms 40° with the ceiling. Answer for top left wire. Find the tension in the three wires that support a 10.2kg light fixture. Each wire forms 40° with the ...
*October 20, 2008*

**Math**

Rearrange for J; n=(2J+1)exp(-(BJ(J+1))/(KT)) where T, B and K are constants
*October 12, 2008*

**Physics**

A first order exponential decay can be written as A(t)= Ae^(-t/r) where A(t) is the amount (of substance) after time t, A is the initial amount at time t=0 and r is the decay time. The fall time is defined as the time in which A(t) falls from 90% to 10% of its initial value. ...
*October 11, 2008*

**Maths**

I understand how you do it for T, but since there is more than one J, I don't understand how you make J the subject.
*October 10, 2008*

**Maths**

Rearrange for T and J; n=(2J+1)exp(-(BJ(J+1))/(KT)) where B and K are constants
*October 10, 2008*

**Networking LANs**

You have been contracted to build a network for a multimedia development firm that currently uses a 10-Mbps Ethernet network. The company requires a high-bandwidth network for the multimedia team, which constantly views and manipulates large files across the network. The ...
*September 29, 2008*

**english**

An understood pronoun is when you talk to someone but leave out the word "you", because its obvious that you are talking to them. Example: "You pick that up" could be said as "Pick that up" In the second sentence the "you" is unserstood...
*September 29, 2008*

**math**

First of all I don't just need the answer I need it explained where a third grader can understand it. I actually know the answer, but I don't know how to explain it to a third grader. ?Doug has 170 stamps in his collection. His first book of stamps has 30 more stamps ...
*September 18, 2008*

**Math**

I still don't quite get how you are explaining it. Can you explain in a different way?
*September 18, 2008*

**Math**

First of all I don't just need the answer I need it explained where a third grader can understand it. I actually know the answer, but I don't know how to explain it to a third grader. ?Doug has 170 stamps in his collection. His first book of stamps has 30 more stamps ...
*September 18, 2008*

**Math**

I think I have an answer to both the first and second problem. Problem 1-It appears you are subtracting 8 each time. 64-8=56 56-8=48 48-8=40 40-8=32 64,56,48,40,32 Problem 2-It appears you are adding 5 each time. 61+5=66 66+6=71 71+5=76 76+5=81 61,66,71,76,81
*September 18, 2008*

**science**

please help me with this challenge question, as i dont quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that it actually...
*September 8, 2008*

**7th grade science hypothesis question**

please help me with this challenge question, as i dont quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that it actually...
*September 8, 2008*

**Chemistry**

A block of metal has a width of 3.2 , a length of 17.1 , and height of 5.8 WHAT is the VOLUME OF THE BLOCK?
*August 28, 2008*

**Integers**

When you add integers, why do you subtract? -9+5=-4. I do not understand why there is an addition sign. How do you know when you are suppose to subtract.
*July 2, 2008*

**keybording and word processing**

a.?
*June 9, 2008*

**math**

(0.2x15) : (0.8x7.5) ::_________:(0.25x56)
*May 19, 2008*

**create table**

hmmmm I have answer, why dont u do your own college work?
*May 18, 2008*

**math**

y=4x - 3, work out the value of x when y =11
*April 26, 2008*

**music**

whats an important factor of jazz?
*April 15, 2008*