Abi

Most popular questions and responses by Abi
  1. MATH?!!?

    a store sells ladders. . the retail price was a 40m percent markup over the manufacturer price. .a month later, the store reduced the retail price of the ladder by 25 percent What percent markup is the new retail price over the manufacturer price?

    asked on February 9, 2014
  2. Chemistry (please check)

    1)Which of the following compounds has the largest lattice energy: LiF LiCl NaF NaCl 2)Which of the following compounds has the most ionic character in its bonding: CaBr2 GeBr4 KBr GaBr3 3)Using the electronegativity table on page 364 of your text, which

    asked on April 15, 2011
  3. Calculus (pleas help!)

    Find the slope of the tangent line to the ellipse x^2/36 + y^2/49 =1 at the point (x,y). slope =_______ Are there any points where the slope is not defined? (Enter them as comma-separated ordered-pairs, e.g., (1,3), (-2,5). Enter none if there are no such

    asked on March 17, 2011
  4. Precal

    An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width

    asked on June 13, 2013
  5. chemistry

    Determine the mass of CO2 gas that has a volume of 7.10 L at a pressure of 1.11 atm and a temperature of 31.0°C.

    asked on January 21, 2013
  6. Physics

    A 5.4 kg bag of groceries is in equilibrium on an incline of angle θ= 150. Find the magnitude of the normal force on the bag

    asked on November 30, 2010
  7. maths

    karim deposited a sum $ 9000 in a bank after 2 years he withdrew $ 4000 and the end of 5 years he received $ 8300. find the rate of interest on the sum he recieved

    asked on February 4, 2019
  8. Calculus

    Consider the function f(x)=sin(5x)/x. (a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(x)= ( I need the values of f(x) for each x) (b) Based on your table of values, what would you expect the limit of

    asked on February 9, 2011
  9. math

    A model airplane flies 18 feet in 2 seconds. what is the airplane's speed in miles per hour? round your answer to nearest hundredth.

    asked on August 23, 2017
  10. Calculus

    Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the

    asked on February 9, 2011
  11. Math

    A couple buys a $170000 home, making a down payment of 18%. The couple finances the purchase with a 15 year mortgage at an annual rate of 2.75%. Find the monthly payment.

    asked on July 31, 2016
  12. Math

    Lactose (MW:342 amu) makes up the vast majority of the carbohydrate. Calculate the molarity of lactose in buttermilk and compare it to that of protein.

    asked on October 12, 2013
  13. Calculus

    Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the

    asked on February 9, 2011
  14. MATH

    A yellow jacket can fly 4.5 meters in 9 seconds. find the unit rate in meters per second .

    asked on August 23, 2017
  15. Precal

    An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width

    asked on June 13, 2013
  16. Calculus

    Use the graph to estimate the limit: lim x->0 sin(3x)/x When x is in degrees lim x->0 sin(3x)/x = ________ I thought the the answer was (3*180)/pi but it's not... please help... Thanks

    asked on February 9, 2011
  17. calculus

    Two cars, one traveling north and one traveling west, collide at an intersection.The resulting momentum of the two cars together after the collision is 32 000 kg . m/s N30degreesW. Find the momentum of each car before the collision.

    asked on May 2, 2010
  18. Math

    If each 11 football teams In a college athletic conference played each of the other teams just once in a season, how many games would there be? As part of your answer, make a table. How many games would there be for 12 teams?

    asked on August 21, 2013
  19. Physics Urgent!!!!!

    OK, I know, I'm postin this way too many times but I'm halfway there now.... Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational

    asked on May 2, 2011
  20. Math

    Using vocabulary terminating non terminating repeating non repeating explain why the value 3.14is rational while the value for pie is irrational

    asked on January 30, 2018
  21. Physics (please help!!!!)

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 1, 2011
  22. Physics (please help!!!!)

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 1, 2011
  23. Physics Urgent!!!!!

    Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

    asked on April 30, 2011
  24. Simple Harmonic Motion

    have performed an experiment of simple harmonic motion and the values I got Mass(g) Distance (m) 200 0.438 250 0.398 300 0.345 350 0.312 400 0.297 450 0.281 500 0.259 I would like to know how to calculate the spring constant... since I have been having

    asked on February 8, 2011
  25. maths

    4x+3y=21 What is your question? You have simply stated the equation of a straight line. what is a prime factorazation?> expressing a number in terms of its Prime factors eg. 126 = 2*3*3*7 all the factors are prime numbers How does this relate to the first

    asked on March 23, 2007
  26. Algebra 1

    Solve by whatever method you would prefer. (Leave answers as improper fractions) 3x + 2y = -10 2x – 5y = 3 Can someone give step by step?

    asked on December 19, 2017
  27. math

    the ratio of the sale price of a jacket to the original price is 3:4 the original price is $64 what is the sale price

    asked on August 23, 2017
  28. physics

    A lineaer spring having a force constant k=40 N/m hangs vertically,supporting a 0.8 kg mass.the mass is then pulled down a distance of 0.15 m . During up and down oscillations ,the maximum speed of the mass will be..

    asked on November 21, 2015
  29. biochemistry

    what is the ph of 1.0 m acetic acid and 1.0 sodium acetate. (ka=1.8x10-5)

    asked on October 25, 2015
  30. Linear Programming

    A Company wishes to assign six of its workers to six different jobs (one worker to each job and vice versa). The rating of each worker with respect to each job on a scale of 0 to 10 (10 being a high rating) is given by yhe following table: Job 1 Job 2 Job

    asked on October 14, 2014
  31. Physics Urgent!!!!!

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 1, 2011
  32. Physics Urgent!!!!!

    Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

    asked on April 30, 2011
  33. Calculus

    Water is leaking out of an inverted conical tank at a rate of 1100.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 15.0 meters and the diameter at the top is 5.0 meters. If the

    asked on April 12, 2011
  34. Calculus (pleas help!)

    For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

    asked on March 17, 2011
  35. Physics (please help)

    Two cars are drag racing, starting from rest at t = 0, on a straight and level road. Team Alpha's car produces acceleration ax = alpha t^(-1/2) ; while Team Beta's car produces acceleration ax = Beta ; for all t > 0, where alpha and beta are positive

    asked on February 11, 2011
  36. chemistry

    why is it good to be a csi

    asked on September 9, 2008
  37. science - refraction

    why is refraction important when seomeone uses a camera?

    asked on April 25, 2008
  38. Maths

    A fighter accelerates from rest at 120,000 m/s^2 for a time of 4 seconds. How far did the jet fighter travel?

    asked on January 29, 2017
  39. maths

    easiest method for dividing

    asked on December 1, 2014
  40. Precal

    Please help. I'm having a lot of trouble with solving inequalities and graphing them solve the inequality and graph the solution on the real number line x^2+x-6/x I got SS: -infinity to -3 including -3 union -2 to infinity including -2 is that right?

    asked on June 22, 2013
  41. Pre-cal

    I'm supposed to graph y= 4+2sin (pi/6 t -pi/5) i have the vertical shift d=4 amplitude 2 level line y=4 crest line y=6 trough line y=2 but i am not sure what the period is formula for period 2pi/b in this case 2pi/pi/6 => 12pi/pi do the pi's cancel,

    asked on June 20, 2013
  42. Physics (please help!!!!)

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 2, 2011
  43. Physics Urgent!!

    Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

    asked on April 30, 2011
  44. Physics Urgent!!

    Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be determined by directly measuring the interaction force in

    asked on April 30, 2011
  45. Calculus

    Water is leaking out of an inverted conical tank at a rate of 1100.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 15.0 meters and the diameter at the top is 5.0 meters. If the

    asked on April 12, 2011
  46. Calculus (pleas help!)

    For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

    asked on March 17, 2011
  47. Math

    A photographer changers a sitting fee of $15for each pose writte a function to describe the situation find a reasonable domain and range for up to 5 pose

    asked on November 2, 2017
  48. MATH

    A computer's fan rotates 2000 times in 40 seconds. find the unit in rotations per second.

    asked on August 23, 2017
  49. org chem

    How to know if there's a dipole moment???

    asked on July 10, 2015
  50. physics

    7/8 part of a substance decays in 45 days what is its half life

    asked on February 5, 2014
  51. Physics Urgent!!!!! I really need help with this

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 2, 2011
  52. Physics Urgent!!!!! I really need help with this

    Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

    asked on May 2, 2011
  53. algebra

    what is the area of length 5 and with 6

    asked on April 23, 2011
  54. Calculus Please Help

    Let f(x) = x^3 - x^2 + x - 1. Find an equation for tangent line to f at x = 2.

    asked on March 23, 2011
  55. Calculus (pleas help!)

    For what values of k is lim x -> INF coshkx/sin2x finite?

    asked on March 18, 2011
  56. Physics

    Two cars are drag racing, starting from rest at t = 0, on a straight and level road. Team Alpha's car produces acceleration ax = alpha t^(-1/2) ; while Team Beta's car produces acceleration ax = Beta ; for all t > 0, where alpha and beta are positive

    asked on February 9, 2011
  57. Physics

    Two cars are drag racing, starting from rest at t = 0, on a straight and level road. Team Alpha's car produces acceleration ax = alpha t^(-1/2) ; while Team Beta's car produces acceleration ax = Beta ; for all t > 0, where alpha and beta are positive

    asked on February 9, 2011
  58. Physics

    I have performed an experiment of simple harmonic motion and the values I got Mass(g)Distance (m) 200 0.438 250 0.398 300 0.345 350 0.312 400 0.297 450 0.281 500 0.259 I would like to know how to calculate the spring constant... since I have been having

    asked on February 8, 2011
  59. Physics

    Can someone please tell me how to calculate the standard deviation of the following values? 0.985 0.985 1.005 1.455 1.035 And please for the following numbers too 1.47 1.52 1.50 1.45 1.39

    asked on February 8, 2011
  60. social studies

    do you have any quizes

    asked on December 31, 2010
  61. Maths

    (tanÈ+cotÈ)(sinÈ+cosÈ)=secÈ+cosecÈ

    asked on September 11, 2008
  1. MATH

    5.236

    posted on August 23, 2017
  2. MATH

    ???????????????

    posted on August 23, 2017
  3. math

    0.0025

    posted on August 23, 2017
  4. MATH

    80,000

    posted on August 23, 2017
  5. MATH

    i was divide 9 by 4

    posted on August 23, 2017
  6. MATH

    9/4

    posted on August 23, 2017
  7. MATH

    2.25

    posted on August 23, 2017
  8. MATH

    20

    posted on August 23, 2017
  9. MATH

    50

    posted on August 23, 2017
  10. MATH

    damon A computer's fan rotates 2000 times in 40 seconds. find the unit in rotations per second

    posted on August 23, 2017
  11. MATH

    divide

    posted on August 23, 2017
  12. math

    $784

    posted on August 23, 2017
  13. Precalculus

    This website is boss and you can find the answer quickly. It really explains what you need to know better than I can because I can't show you graphs. mathbitsnotebook (dot com) (slash) Algebra1 (slash) FunctionGraphs (slash) FNGTypeExponential After

    posted on November 18, 2016
  14. stats

    a-1/4 b-2/30 c-3/4

    posted on September 1, 2016
  15. Chemistry

    it might be 1/(8+1) and he/she must be missing () brackets

    posted on December 9, 2015
  16. physics

    Answere this question

    posted on October 17, 2015
  17. org chem

    THANK YOU! if there are many unpaired electrons, will it means its polar?

    posted on July 11, 2015
  18. Precal

    :D thank you!!! I guess I've been staring at this for too long and probably not typing them correctly on the calculator! THANK YOU SO MUCH!!!!!!

    posted on June 22, 2013
  19. Precal

    I'm still not understanding... it's okay i'll keep trying to figure it out. im clearly not double checking it right since i checked for 1 and got a positive answer but its supposed to be negative till 2 :-/ thank you so much for your time! it is honestly

    posted on June 22, 2013
  20. Precal

    but if replace x with -4 i get a positive answer too!

    posted on June 22, 2013
  21. Precal

    if i replace -.001 with x i get 6001.001 how are you solving that without calculator

    posted on June 22, 2013
  22. Precal

    yes, it gives me 6001.001 as an answer You're not using a cal?

    posted on June 22, 2013
  23. Precal

    Aww it's not funny, it's frustating! :( you want me to replace x with -3 not sure what you're meaning by that try -3/-.001 where did you get the .001?? I'm so sorry i'm not understanding and thank you so much for helping

    posted on June 22, 2013
  24. Precal

    See, this is where i have trouble understanding. if i put if in the calculator i see why it'd be -3 to 0 but in the exams the professor makes sure we are not able to graph inequality in calculator my graph was off on paper, i just verified on ti84+ and it

    posted on June 22, 2013
  25. Precal

    I ended up with SS: (-00,-3]union [2,00) why would it be -3 to 0?

    posted on June 22, 2013
  26. Precal

    Isn't it x^2+x-6 = 0 (x+3)(x-2) = 0? x = -3 or x= +2?

    posted on June 22, 2013
  27. Precal

    Sorry i should have put that in parenthesis (x^2+x-6)/x greater than or equal to 0

    posted on June 22, 2013
  28. Precal

    EDIT WHERE INEQUALITY IS GREATER THAN OR EQUAL TO ZERO

    posted on June 22, 2013
  29. Pre-cal

    I did have to find those too but i was stuck on the Period! thank you so very much!

    posted on June 21, 2013
  30. Physics Urgent!!!!! I really need help with this

    I was substracting both radii, now I tryed (6.674E-11)(0.730283)(157.850)/(0.2286)^2 and I got 1.47E-7 and tryed 6.674E-11)(0.730283)(157.850)/(0.2286 +.1524 +.0254)^2 and I got 4.66E-8... but niether is right....

    posted on May 2, 2011
  31. Physics (please help!!!!)

    I showed it.... r1= 0.0254m, m1=0.730283 kg, r2= 0.152m and m2=157.850 kg... I calculated (6.674E-11)(0.730283)(157.850)/(0.152m-0.0254m)^2 and I got 4.77E-7 and multiplyed it by 2 and then I got 9.54 E-7...

    posted on May 2, 2011
  32. Physics Urgent!!!!!

    But I just have to plug in one number for part A that most be E-7 and for part B I have to plug only one number too that must be E-8.

    posted on May 1, 2011
  33. Physics Urgent!!

    Is that for A?

    posted on April 30, 2011
  34. Physics Urgent!!

    Ok, so I have r1= 0.0254m, m1=0.730283 kg, r2= 0.152m and m2=157.850 kg... I calculated (6.674E-11)(0.730283)(157.850)/(0.152m-0.0254m)^2 and I got 4.77E-7 and multiplyed it by 2 and then I got 9.54 E-7... Does this looks right?

    posted on April 30, 2011
  35. Physics (please help)

    Hi Damon, Thanks for your help. Can you explain me how you got alpha (2/3) t^(3/2) ? Because I got alpha (4/3) t^(3/2) = beta (1/2) t^2 and then t= [(8/3)(alpha/beta)]^2 I then used my equation of beta and substituted t with my answer and I got

    posted on February 11, 2011
  36. Calculus

    the values I got for f(x) were 4.9; 4.99; 4.999; 4.9999; 5.0001; 5.001; 5.01; 5.1 The two firsts and the two lasts values are not correct and I don't know why... the limit is 5 also what i have for the other part is -.00001

    posted on February 10, 2011
  37. Calculus

    The first value I tried was 3... and it didn't work either, I thought that the fact that it said "x is in degrees" affected. It also said at the end: (Give your answer accurate to at least 0.01...

    posted on February 9, 2011
  38. Simple Harmonic Motion

    I forgot to mention that the experiment is to teach us error analysis methods... I have to get the values of k for each interval Mass(g) Distance (m) 200 0.438 250 0.398 300 0.345 350 0.312 400 0.297 450 0.281 500 0.259 the values for k I got were k (N/m)

    posted on February 8, 2011
  39. Health Project Ideas

    Try your brain on Crystal Meth

    posted on February 7, 2011