lacy

Most popular questions and responses by lacy
  1. Calculus

    Water is running into an open conical tank at the rate of 9 cubic feet per minute. The tank is standing inverted, and has a height of 10 feet and a base diameter of 10 feet. At what rate is the radius of the water in the tank increasing when the radius is

    asked on December 14, 2015
  2. Math-soh cab toa

    The towrope pulling a parasailor is 70m long. They estimate that the angle between the towrope and the water is about 30°. Find the height of the parasailor above the water, to the nearest 10m.

    asked on April 4, 2016
  3. Calculus

    Water is running into an open conical tank at the rate of 9 cubic feet per minute. The tank is standing inverted, and has a height of 10 feet and a base diameter of 10 feet. At what rate is the exposed surface area of the water changing when the radius is

    asked on December 14, 2015
  4. Chemistry

    You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

    asked on February 13, 2013
  5. Math

    An African elephant weigh 6 tons what is the weight of the elephant in pounds

    asked on November 7, 2018
  6. Science/ Health

    A unit of blood is released for a patient on the oncology floor. The nurse calls the blood bank 15 minutes later and reports that the patient has a visitor and does not want the transfusion until later that day. The nurse would like to hold the unit in the

    asked on November 11, 2018
  7. chemistry

    need help with a question calculate the concentration of grams of sodium stearate per milliliter of diluted solution. To do this, multiply the concentration of sodium stearate in the dishwashing liquid by the dilution of the solution(1.50 ml dishwashing

    asked on June 14, 2017
  8. Chemistry

    You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

    asked on February 13, 2013
  9. Math- quadratic equation

    A garden measuring 12m by 16m is to gave a pedestrian pathway installed all around it. The pathway is the same width all the way around the garden. The pathway and the garden have a total area of 258m^2. What will be the width of the pathway? ( I know the

    asked on April 1, 2016
  10. math

    The base of a triangular prism is a right triangle whose legs are 7cm and 24 cm. The height of the prism is 30cm. What is lateral area of prism?

    asked on September 24, 2014
  11. Math

    AJ fly is in altitude of 52,800 feet what is the height of the jet in miles

    asked on November 7, 2018
  12. accounting

    Write a 700- to 1,050-word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is willing to give you the capital needed for the first year of your business, but only if you can

    asked on January 29, 2011
  13. alg.

    Determine which two equations represent perpendicular lines. a) y=2x - 6 b) y=1/2x + 6 c) y= -1/2x + 6 d) y= 1/2x - 6 I know that perpendicular lines have negative recipricals, but I'm having trouble with this problem. I think the answer is b & c because

    asked on July 30, 2007
  14. Algebra

    Find 3 consecutive odd numbers such that the sum of 5 times the smaller number a twice the larger number is 33 more than six times the median number. Do not understand word problems. ..please help

    asked on September 6, 2016
  15. math

    A cube with an edge length of 4 in is painted on all its sides. Then the cube is cut into 64 cubes with an edge length of 1 in. What percent of the total surface area is painted?

    asked on September 24, 2014
  16. math

    Ihave to evalaute expressions can someone tell me which whay is the correct way. 15+ 20 ÷ 5 Is 15 + 4= 19 or 5 ÷ 5=9 210-5 x 30 Is it 210-150=60 or 205 x30=61590 Have you heard of BEDMAS? it shows the correct order of operation in arithmetic B-brackets

    asked on April 27, 2007
  17. Science

    The speed of sound in a gas depends upon the average speed of the gas molecules. Why is such a relationship reasonable? The greater the density of the medium ie gas pressure, temperature, the better sound traves through it. Why? because there are more

    asked on January 30, 2007
  18. human resources

    o Name three selection tools that you would consider using to hire a police officer. o Choose what you think is the best selection tool or combination of selection tools in choosing the best candidate. o Detail which interview method would be most

    asked on May 2, 2011
  19. Science

    The potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumtansces (if any) is the ball's kinetic energy? Its rest energy? The KE cannot be negative, nor can the rest energy be negative.

    asked on January 9, 2007
  20. Literature

    I need to find a critical analysis for Thed Lady with the Pet Dog by Anton CHekhov? Can anyone give me advice where I can find this?

    asked on October 10, 2007
  21. alg.

    Write the equation of the line that passes through point (2, –6) with a slope of –5. I think this is a pretty easy problem, but I'm making it out to be harder than it really is. here is what I got: y=mx+b -6=-5(2)+b -6=-10+b =10 =10 b=4 the equation

    asked on July 30, 2007
  22. math

    For the universal set U= {0,1,2,3,4,5,6,7} And the sets A={1,5}, B={1,2,3,4} And C= {4, 6} lists the elements in the following Sets. a. A ¿ B b. A U Bf c. A ¿(B U C) d. C ¿ (B ¿ A)f I assume your funny symbol is "∩", the intersection

    asked on April 18, 2007
  23. biochemistry

    You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

    asked on December 9, 2013
  24. Philosophy

    Create an 11- to 14-slide PowerPoint® presentation answering one of the topics found in Appendix A, as well as 3 to 4 principle issues related to your chosen topic. My topic is Should there be a set of uniform morals standard? Thank you

    asked on January 29, 2011
  25. Science

    Under what circumstances, if any, will a converging lens form an inverted image of a real object? Under what circumstances, if any, will a diverging lens forms an erect image of a real object?

    asked on February 1, 2007
  26. Chemistry

    Calculate the corrected creatinine clearance using the following data obtained from a person with a 1.73 m^2 body surface area: Serum creatinine:1.3mg/dL Urine creatinine:2.4 mg/dL Urine volume:1000ml/24hours We think it's 128, but not sure Help this is

    asked on September 28, 2018
  27. science/math

    after traveling for 6.0 seconds, a runner reaches a speed of 10m/s. what is the runners acceleration? my answer is 60m/s , is that correct?

    asked on September 18, 2014
  28. Science/Evolution

    What do scientists believe that humans and apes originate from?

    asked on January 19, 2012
  29. algebra (college)

    The # N, in millions, of hearing impaired individuals of age X can be approximated by N= 0.00006x^3 + 0.006x^2 - 0.1x +1.4. Approximate to the nearest million the # of hearing impaired individuals of ages 25 and 40. 25= 1.75 and 40= 3 (those are

    asked on July 31, 2011
  30. chemistry

    How many grams of water can be made by the reaction of 1.25 grams of ethanol with 2.50 grams of oxygen?

    asked on April 8, 2010
  31. science

    My questions is what member of the cat family is the best predator? I have tried to find the answer but each site I have looked at just says that they are predators (lion, tiger, cougar etc). They don't say which is the best. Any help would be appreciated.

    asked on July 5, 2009
  32. math

    I having problems understanding venn set and venn diagrams. Can someone explain this to me. For the universal set U= {0,1,2,3,4,5,6,7} And the sets A={1,5}, B={1,2,3,4} And C= {4, 6} lists the elements in the following Sets. a. A¿B b. A U Bf c. A

    asked on April 18, 2007
  33. Science

    The sun, moon and planets all follow approximately the same path from east to west across the sky; none of them is ever seen in the far northern or far southern sky. What does this suggest about the arrangements of these members of the solar system in

    asked on December 31, 2006
  34. Math

    Find three consecutive even integers such that the sum of the smallest integer and twice the median integer is 20 more than the largest integer.

    asked on August 31, 2016
  35. science/math

    a car starting from rest accelerates at a rate of 8.0 m/s. what is its final speed at the end of 4.0 seconds?I got 32m/s, is this correct

    asked on September 18, 2014
  36. chemistry

    You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422 the extinction coefficient is 6.22x10^3 the molecular mass of glucose is 180.16g/mol. What is the concentration of glucose in the

    asked on September 30, 2013
  37. chemistry

    You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422 the extinction coefficient is 6.22x10^3 the molecular mass of glucose is 180.16g/mol. What is the concentration of glucose in the

    asked on September 30, 2013
  38. Math

    x=-2y+1 x+3y=-2 Please help me solve each system of equations and show your work thanks.

    asked on February 25, 2012
  39. math

    1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 115

    asked on October 27, 2010
  40. history

    Which countries wanted to join the European Union in 2002?

    asked on February 24, 2008
  41. alg.

    Find the slope of any line parallel to the line through points (17, 4) and (5, 8). the slope of these is: 8-4 4 1 ----- = --- = --- 17-5 12 3 is 1/3 the correct answer? No you started with the y of the second point, so you have to start with the x of the

    asked on July 30, 2007
  42. Math

    I need help solving these problems y=-0.4x^2+8.3x+4.3 I got 0.52 h=-16t^2+149t+30 I got 640.5 feet after 4.63 seconds 0=x^2+3x-10 I got x=5, -2 (2x-4)(2x-1)=0 I got -2, 1/2 x^2+8x=10 I got -1.1, 9.1 HELP PLEASE

    asked on May 22, 2017
  43. Statistics

    Three final candidates (Alex, Bo, and Chris) for a position happen to take different versions of the aptitude test. You are supposed to choose the one who performed best out of these three final candidates and the test results are as follows: Alex received

    asked on October 30, 2016
  44. Algebra

    5x+6/3x-9=7/3 Please help, thoroughly confused

    asked on August 29, 2016
  45. Math

    5x+6/3x-9=7/3

    asked on August 29, 2016
  46. algebra II

    need set notation for two step inequalities. problem is -4-5v5. if that's true, then how do u do set notation for answer? have 80 set notations to do and need to know how to do this by example

    asked on September 16, 2014
  47. chemistry

    You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

    asked on December 9, 2013
  48. algebra 2

    3/-8 * 2/7 * (-3) Its multiplying fractions, but it wants the answer in simplest form!

    asked on October 11, 2012
  49. algebra 2

    -3u+7/2=-4/3u-5/4 solve for u in simplest form.

    asked on October 11, 2012
  50. social studies

    What were the findings of the Nye Committees?

    asked on April 11, 2010
  51. Microeconomics

    Consider Good E, which, when sold in a particular country, has an equilibrium price = $10.00. The government of that country decided that it doesn’t like that equilibrium price, and so passes a law which prevents the product from selling for $10.00.

    asked on March 27, 2010
  52. Us after 1877

    Why would the Knights of Labor oppose child labor beyond the obvious reason that children should not be forced to work? What about their opposition to convict labor?

    asked on March 8, 2010
  53. intro to corrections

    identify and describe the five functions of jails

    asked on February 3, 2010
  54. Finance

    Determining the inflation rate. In the mid 1990s selected automobiles had an average cost of $12,000.The average cost of those same automobiles is now $20,000. What was the rate of increase for these automobiles between the 2 tim eperiods?

    asked on April 17, 2009
  55. History

    Does the federal reserve system affect us directly in any way? How?

    asked on February 24, 2008
  56. Histroy

    How does the supreme court show that the constitution allows congress to exercise the power to regulate commerce within a state?

    asked on February 24, 2008
  57. algebra

    Complete the ordered pairs for the equation y = 8x + 16. (?, 0),(1/8, ?),(0, ?)(-1/8, ?) my answers are: (-2,0),(1/8, 17), (0,16), (-1/8, 15) are these correct? yes

    asked on July 30, 2007
  58. alg.

    Find the slope of the line passing through the points (–2, 1) and (3, 9). I know the equation to figure this out is: m = y(2) + y(1) ----------- x(2) + x(1) but its a multiple choice question and my answer is not the same as the choices. how exactly do I

    asked on July 30, 2007
  59. bablylonian numeration

    can someone tell me how to write 372 in numeration system? Thank you for using the Jiskha Homework Help Forum. Do you mean Binary, Octal or Hexadecimal? (Broken Link Removed) P.S. 1. http://mathforum.org/alejandre/numerals.html I need to convert 372 into

    asked on April 18, 2007
  60. Math

    2+2= 7 2=2=4 Why are you being a smart aleck? Or do you really not know?

    asked on September 14, 2006
  1. social studies

    @JoeHoe is 100% correct

    posted on March 12, 2019
  2. social studies

    thanks @Papparazi-_-

    posted on March 11, 2019
  3. social studies

    are @JoeHoe answers correct?

    posted on March 11, 2019
  4. Math

    Please need help

    posted on November 7, 2018
  5. math

    Y’all r all saying different things who’s write

    posted on November 7, 2018
  6. Physical Education

    Thanks Kia!

    posted on March 20, 2018
  7. science

    Skylar is wrong

    posted on March 20, 2018
  8. please check(Social studies)

    360 is incorrect and lying I missed 1 and got an 80%

    posted on February 12, 2018
  9. Math

    Do you do connections academy

    posted on January 9, 2018
  10. biology

    how does an observation about an object differ from an inference about that object?

    posted on August 8, 2017
  11. trigonometry

    find sin65 and square it. find cos 65 and suare it. then add the two answers together

    posted on July 11, 2017
  12. Math

    (5x+6)/(3x-9)=7/3 Do not understand Help

    posted on August 29, 2016
  13. Math

    The first example

    posted on August 29, 2016
  14. Math-soh cab toa

    Thank you!!

    posted on April 4, 2016
  15. Math- quadratic equation

    Okay thank you so much!!!

    posted on April 1, 2016
  16. academic execellence

    A, critical thinking

    posted on May 27, 2014
  17. Lang. Arts 2 questions

    dog, and wrote a fantastic essay about paris

    posted on November 14, 2013
  18. Chemistry

    I don't understand part a) How to start the process of finding the pH

    posted on February 13, 2013
  19. human resources

    lol..ok I just came down with pneomonia and feel completely out of it and no desire to do the assignment..I was looking for an easy way out and I apologize. Thank you

    posted on May 2, 2011
  20. human resources

    • Write a 1,300- to 1,500-word paper in which you address the following considerations related to selection tools

    posted on May 2, 2011
  21. algebra1

    y/x+8 y=8x

    posted on March 2, 2011
  22. accounting

    these are great websites. Thank you for pointing me in the right direction. Much appreciated.

    posted on January 29, 2011
  23. science

    As the question says is the lion the best predator in the cat family, I am thinking that they mean which 'cat' is best at catching prey.

    posted on July 5, 2009
  24. science

    I guess they mean which is the best hunter?

    posted on July 5, 2009
  25. science

    oops should read cat not cart!

    posted on July 5, 2009
  26. science

    the question we have been given is 'is the lion the best predator in the cart family'?

    posted on July 5, 2009