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  • Linear Algebra. System of Linear Equations in Two Variables.?

    Can you find the values of a and b for which the resulting system has a unique solution?

    2x - y = 3

    ax + by = 6

    Explain.

    1 AnswerMathematics9 years ago
  • Calculus Integration by Parts?

    No matter how many times I work this I can't figure it out.

    INTEGRAL(x^3(1+x^2)^1/2)dx

    This is what I've done

    u=(1+x^2)^1/2 dv=x^3

    du=x(1+x^2)^-1/2 v=x^4/4

    So,

    (x^4/4)(1+x^2)^1/2- INTEGRAL((x^4/4)x(1+x^2)^-1/2)

    This is where I'm stuck. I have to take the integral again, but once I do I have to take it again and again. It's an endless chain. Please don't tell me the answer, but if you could point me in the right direction, that would be fantastic. Also, if anyone knows about like a free online tutor for calculus or something let me know. Thanks.

    2 AnswersHomework Help9 years ago
  • What should the title of my essay be?

    I'm writing an essay about my college's extremely damaged sidewalks and how they are a health risk to everyone on campus. I'm not very good at titles and was wondering if I could get some suggestions or maybe advice on choosing my own title.

  • Is this gramatically correct?

    I'm wring an essay an can't remember whether to use who or whom.

    "The woman whom I considered to be a second mom..."

    That's how I have it written. Is that gramatically correct or should it be who?

    1 AnswerHomework Help1 decade ago
  • Ideal Gas Law? Finding the constant?

    How do I know what the constant is to do the Ideal Gas Law?

    My homework problem says:

    A sample of 1.00 moles of oxygen at 50(degrees) C and 98.6 kPa occupies what volume?

    So far I have the equation:

    98.6V=1(R)323

    I need to find the constant so I can find the volume? Am I making any sense? How do I find the constant. (Please don't give me the answer.)

    3 AnswersChemistry1 decade ago
  • Ideal Gas Law? Finding the constant?

    How do I know what the constant is to do the Ideal Gas Law?

    My homework problem says:

    A sample of 1.00 moles of oxygen at 50(degrees) C and 98.6 kPa occupies what volume?

    So far I have the equation:

    98.6V=1(R)323

    I need to find the constant so I can find the volume? Am I making any sense? How do I find the constant. (Please don't give me the answer.)

    2 AnswersChemistry1 decade ago
  • I have a taskbar problem?

    I'm not exactly sure of how to word this so please excuse the potential vagueness.

    On my taskbar, where it shows the windows that you have open (it gives the title of the page), those have moved to the right side of the taskbar. It is really annoying me. Does anyone know how I can fix that?

    3 AnswersMonitors1 decade ago
  • What "Bones" episode is this?

    I only remember one scene. I think it was at the end of the episode. Booth and Brennan were sitting in the diner and Booth started talking about making love.

    The conversation went kinda like this:

    "...When two people make love. That is when they become one."

    "It's physically impossible for two people to occupy the same place."

    "I know. But the point is, is that we try. And you know what? We get close."

    "Close to what? Defying the laws of physics?"

    "That's right, Bones. A miracle."

    I only remember so well because I absolutely love that scene. And I wanna see the episode again. Can someone please tell me? Thanks.

    2 AnswersDrama1 decade ago
  • What's your favorite song?

    What's your favorite song and who sings it?

    7 AnswersOther - Music1 decade ago
  • Barbara Mandrell at the CMA Awards?

    Does anyone know where I can find the bit of the CMA's where Barbara Mandrell comes up to talk about her induction into the country music hall of fame. I've looked on YouTube and I can't find it. My mom hasn't seen it and she's a huge fan of Barbara. She's mad I didn't wake her up and tell her. lol. Anything helps. Thanks

    4 AnswersCountry1 decade ago
  • What's the name of this song and who sings it?

    A man sings it.

    I only remember that the boy asks the girl if she would like to go out with him or something. But she tells him that she's already taken. Then, later the same boy and girl get married and have a son. The son asks, Mommy, will you marry me? And she tells him that she's already taken.

    I remember hearing this a while ago and thought it was really sweet. However, for the life of me, I can't remember the name of the song or who sings it.

    6 AnswersCountry1 decade ago
  • Buffy the Vampire Slayer?

    I'm not sure why I have an urge to ask this question now... but I do.

    What are your 5 favorite episodes?

    Mine are:

    1. Hush

    2. The Body

    3. The Wish

    4. Passion

    5. Once More, With Feeling

    3 AnswersDrama1 decade ago
  • Aren't we all so happy???!!!!!?

    Yay!!!! Chuck has been renewed for a third season! Everyone do a celebratory dance! Woo-hooo! Read more!

    http://dailycontributor.com/chuck-season-3-is-offi...

    2 AnswersDrama1 decade ago
  • American Idol Winners. Favorites?

    Who are you favorite winners?

    Mine are: (in order)

    1. Carrie Underwood

    2. Kelly Clarkson

    3. David Cook

    4. Jordin Sparks

    5. Fantasia

    6. Ruben Studdard

    7. Taylor Hicks

    15 AnswersReality Television1 decade ago
  • Question about Medium?

    I've never seen it before. It looks pretty good. Is it worth checking out?

    4 AnswersDrama1 decade ago
  • Norman Gentle... Nick whoever?! American Idol?

    He is PLAIN AWFUL! It's as simple as that! What are the judges thinking keeping him around?? Tatiana is just awful, too! Such a drama queen! I hate her! What do you think? Who are some of your favorites?

    7 AnswersReality Television1 decade ago
  • Any Oracle experts out there?

    Okay. I'm doing my Oracle homework and I keep getting and error. I don't know what's wrong. I'm following the example. Does anyone know what's wrong?

    SELECT department_id, last_name, salary

    CASE department_id WHEN '10' THEN '1.25'*salary,

    WHEN '90' THEN '1.5'*salary,

    WHEN '130' THEN '1.75'*salary,

    ELSE salary

    END AS "New Salary"

    FROM employees

    The error I'm getting is:

    FROM keyword not found where expected.

    **PS. If this is in the wrong section... sorry. Not quite sure where it goes other than Homework Help**

    2 AnswersProgramming & Design1 decade ago
  • What's this Kelly Clarkson song?

    On American Idol, they previewed a new song of hers. What's the name of it?

    2 AnswersRock and Pop1 decade ago
  • What Charmed episode is this?

    I don't remember much about the episode except that Phoebe got thrown into a mirror and got glass shards stuck in her back. I don't know what season this is so that's all I can give you.

    1 AnswerDrama1 decade ago
  • Full online episodes of Chuck?

    Where can I watch free online episodes of Chuck? Don't say youtube b/c it's not there. Thanks.

    2 AnswersDrama1 decade ago