Charlie

Questions and responses by Charlie, page 4
  1. Calculus

    lim (2Q^(2)+5)/(q+2) q->2 lim |y+3| y->-3

    asked on October 27, 2012
  2. Maths

    For y= 2x squared + x - 1 the x-intercepts and the turning point respectively are?

    asked on October 21, 2012
  3. chemistry

    how would you, explain ans how calcium chloride [CaCl2] is bonded.

    asked on September 20, 2012
  4. earth science

    descibe the advanages of plotting data in graph form

    asked on September 19, 2012
  5. Physics

    An EM wave has a wavelength of 620 nm. What is its frequency? How would we classify it?

    asked on April 12, 2012
  6. Math

    What does KAPS mean in Math?

    asked on August 18, 2011
  7. statistics

    A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is? and The

    asked on July 26, 2011
  8. Algerbra 1

    A(1,4), (6,8) Round to the nearest tenth

    asked on May 24, 2011
  9. algebra

    how do you solve for y in the equation 1/y=(1/3)x^3-(253/12)

    asked on March 22, 2011
  10. Traveling(saving money)

    how much are plane tickets to: india england

    asked on February 23, 2011
  11. math

    write the 100-complement of 40

    asked on January 20, 2011
  12. math

    need help please. thanks evaluate and simplify. (8x/y) for x=10 and y=2

    asked on November 14, 2010
  13. Periodic Table

    Hello all, how does the periodic table determine the type of bonding of compounds Cheers Charlie.

    asked on October 13, 2010
  14. 11th grade

    Suppose you surveyed 50 students and 34 said that they approve of how the president is doing. Construct 90%, 95%, and 99% confidence intervals for the true proportion of students in your school who approve of how the president is doing. Be sure to

    asked on September 12, 2010
  15. College Physics

    A 50 kg skater moving at 5 m/s over frictionless ice grabs a rope stretched out 10m from a post and perpendicular to her path. She then moves in circles, spiraling inward as the rope wraps around the post. How fast is she moving when she is 2 meters from

    asked on September 11, 2010
  16. math

    desperately seeking help. work must be shown. answer must be in simplest form. Thanks 1 1 _ X _ 2 2

    asked on August 29, 2010
  17. Math

    I need to figure out what a deposit of 3500 a month, with 9 percent intrest compounded monthly, would be in 6 years. Any help would be greatly appreciated.

    asked on January 13, 2010
  18. Physics

    I have to plot a graph of Pressure gradient vs average velocity (water in a pipe, I have all the data). I plan to put the average velocity on the x axis, since I could control that better in an experiment. Do you agree/ Thanks. Charlie

    asked on August 10, 2009
  19. Thermodynamics

    Would someone explain entropy in simple terms please. Thanks.

    asked on May 3, 2009
  20. Physics

    If energy is 1/2 mv^2; and m and v are always positive.... How come the ground state energy of Hydrogen is a minus value? Charlie

    asked on April 14, 2009
  21. physics: relativity

    I think I can rearrange the Lorentz contraction equation, solving for v using: v=sqrt[1-(L/Lo)^2] x c^2 Would someone check my thinking please? Thanks

    asked on March 30, 2009
  22. math

    In the number 268,743 how many times greater than the 3 is the 6?

    asked on March 27, 2009
  23. math

    what is the answer to. Write the next 4 letters in this sequence: A,B,Z,Y,C,D

    asked on March 26, 2009
  24. math

    In the number 268,743 how many times greater than the 3 is the 6

    asked on March 26, 2009
  25. math

    the response from Ms writeacher did not show the answer

    asked on March 9, 2009
  26. math

    what is the value of 4 in 0.045

    asked on March 9, 2009
  27. Sig Figs

    In a 9V circuit, all the resistors are 20 or 40 kilo Ohms. Convention says that calcs should therefore be quoted to 1 sig fig, since the volts are the least accuracy. 2 seems better though. Any ideas?

    asked on February 22, 2009
  28. Physics

    I need to calculate the closest two parallel plates can get before they spark I have the voltage, and will use E=V/dist (rearranged) to get the distance. I THINK the field strength value I should use is 3x10^-6 Vm^-1. No other info is given in the

    asked on February 7, 2009
  29. Physics SHM

    Am self studying SHM, so sorry for the elementary questions. Would someone check/confirm some facts i think I've learned please. 1 If a sine wave graph starts at the origin at time = 0s, the sysyem is in equilibrium? 2 The amplitude at t= 0s is zero. 3

    asked on November 5, 2008
  30. college

    what's the most commonly overlooked reason for forgetting?

    asked on September 9, 2008
  31. Physics

    A spring of k=11 N/m has a block of mass 4 kg attached to it on a frictionless table. If the block is pulled a distance 0.15 m to the right and released from rest, how long will it take the block to return to its equilibrium position?

    asked on April 28, 2008
  32. Physics

    The position of some object moving along the x-axis is observed to be x(t)=9cos(pi*t/3+pi/4) meters. Find the frequency.

    asked on April 28, 2008
  33. business studies

    I was wondering could anyone help me with question 6 an page 302 of the Business Studies for households and enterprises Junior Certificate by Matt Hynes

    asked on October 13, 2007
  34. Graphing Functions

    Can someone point me to a starting point in graphing f(x)= 25/cos x If it weren't a fraction and a cosine, I'd try to build a table of coordinates. This one, I have no start point. Thanks

    asked on August 2, 2007
  35. One for drwls

    Thank you for answering my question. Can you steer me to making a quadratic from 1/4(x+3)^2-4 Then I can get the intercepts. Thanks Just multiply it out to put it in the standard form, ax^2 + b^2 + c (1/4)(x+3)^2-4 = (1/4)(x^2 + 6x + 9) -4 = (1/4)x^2 +

    asked on March 21, 2007

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