Popular questions and responses by Dianne
  1. statistics

    the ages of the members of a gym have a mean of 44 years and a standard deviation of 12 years. what can you conclude from Chebyshev's theorem about the percentage of gym members aged between 26 and 62?

    asked on February 6, 2016
  2. Chemistry

    An unknown gas sample is collected in a 255mL container at 25 C and 755 mmHg. How many moles of gas are present? show solution please so i can learn:D

    asked on February 19, 2015
  3. Statistics

    A researcher determines that 42.7% of all downtown office buildings have ventilation probles. Is this census data or sample data?

    asked on June 18, 2012
  4. CHEM

    Suppose 50.0 g NH3, 80.0 g CO2, and 2.00 mol H2O are reacted. Determine the maximum grams of NH4HCO3 that can be produced.

    asked on March 2, 2015
  5. Statistics and Probability

    A machine is designed to fill jars with 16 ounces of coffee. A consumer suspects that the machine is not filling the jars completely. A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounces. Is there enough evidence to support

    asked on March 26, 2017
  6. CHEM

    A 2.50 L sample of neon gas at 0.00 C and 1.00 ATM is compressed into a 1.00 L cylinder. what pressure will the gas exert in the cylinder at 25.0 C?

    asked on March 9, 2015
  7. statistics

    d. There are 200 students in a sample. How many of these students will have scores that fall under the score of 41? Mean=45 standard deviation=4

    asked on August 29, 2011
  8. algebra

    The length of a rectangular piece of property is 1 foot more that twice the width if the perimeter is 302 feet, find the length and width

    asked on February 12, 2011
  9. statistics

    what is the probability that the random variable has a value between 5.3 and 5.7

    asked on April 1, 2016
  10. Chem

    From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 X lo7) times greater than the wavelength corresponding to the energy difference between a particular

    asked on March 29, 2007
  11. english

    Choose the sentence that would make the best topic sentence in a paragraph on credit cards. A. The interest rate can jump to nearly 60 percent per year. B. Students should watch out for unexpected fees when they get a credit card. C. Some banks start

    asked on February 4, 2017
  12. probability and statistics

    Chapter 9: 17. Do students at various universities differ in how sociable they are? Twenty-five Students were randomly selected from each of three universities in a region and Were asked to report on the amount of time they spent socializing each day with

    asked on November 11, 2010
  13. Research 1

    Bandura's"Bobo doll" study of social learning and aggression (a) exposed children to a videotape in which someone either played nicely with toys or played aggressively with them, and then (b) measured how often children behaved aggressively toward an

    asked on February 16, 2017
  14. chemistry

    what is the salt name for Fe3+ reacting with CrO4 3- Thanks!

    asked on January 12, 2011
  15. social studies

    What was Alexander the greats'goal wheb he poured out drinking water offered to him ib the desert and what were the results?

    asked on December 6, 2010
  16. statistics

    IQ scores are normally distributed with a mean u = 100 and a standard deviation o =15. Based on distribution, determine % of IQ scores between 100 and 120 =

    asked on June 21, 2012
  17. MICRO

    The size of the amplified DNA fragment generated during PCR is determined by: a.how many cycles are performed. b. the size of the template c. the location to which the primers anneal. d. how much Taq is used. I believe the answer is c but have had some

    asked on September 10, 2008
  18. stastics

    Practice Problem #16 pg. 307: A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The

    asked on January 13, 2011
  19. chemistry

    one reaction was between the aluminum and the leftover hydrochloric acid the products are aluminum chloride and hydrogen gas. the other reaction was the aluminum and the copper(II)chloride.. this produced aluminum chloride and copper metal. what was the

    asked on October 10, 2011
  20. Physics

    Annie is walking to school leisurely at a speed of 1.0 m/s for the first half of her trip. She then remembers that her physics teacher told her that she must average 2.5 m/s to make it to school on time. Realizing she might be late, she starts running.

    asked on September 13, 2010
  21. Biology

    Why are plants considered as producers? A. Plants produce fruits that can be eaten by animals B. Plants convert energy from the Sun into chemical energy in the form of glucose (food).

    asked on October 1, 2017
  22. chem

    Balance Fe2(SO4)3 + Ba(OH)2 => Fe(OH)3 + BaSO4

    asked on February 24, 2015
  23. earth/science 245

    Plate tectonics and earthquakes: what are the two historical figures and the process of mantle convection and plate movement.I understand that the whole continent moves but what is plate tectonics and the historical figures that contributed to the plate

    asked on February 2, 2009
  24. science245

    Scientists debate about the use of fossils as a tool to determine records of various events, such as the vanishing of the dinosaurs or the origin of our ancestors. Based on what you know of fossils from your textbook and other sources, discuss the role of

    asked on January 27, 2009
  25. Microbiology

    The diploid character of eukaryotic cells may mask the appearance of mutation since: A. this may be a frame shift B. the mutation is often reversible C. the mutation may be palindromic D. the matching chromosome may carry the dominant gene. Please help.

    asked on September 10, 2008
  26. Chemistry

    How many half lives will it take for a sample of a radioactive isotope containing 20000 radioactive nuclei to decay to 2000 radioactive nuclei

    asked on November 16, 2010

    Discuss the advantage and disadvantage of a qualitative and quantitative evaluation for domestic violence agency.

    asked on January 27, 2009
  28. skills of a teachers aide

    According to the SMCR model, problems in communication can arise when the speaker fails to do what?

    asked on November 1, 2011
  29. chemistry

    there are 2 reactants copper(II) oxide and hydrochloric acid the products are copper(II)chloride and water. what change will you observe in the copper(II)oxide? was there a change in solubility? where is the copper(II)chloride? how can you tell

    asked on October 10, 2011
  30. Research 1

    The population that is represented by a sample is a. Everyone in the US who is the same age as the participants b. the group of people who are sufficiently similar to the sample members that the results generated by the study can be expected to generalize

    asked on February 17, 2017
  31. Physics

    When I look into my beautiful 1981 Vanagon's rear view mirror, I see a semi-truck coming toward me way too fast. The truck has lost its brakes and is traveling at 140 km/hour down the steep mountain road we're on. At the last second, the truck exits onto

    asked on October 9, 2012
  32. chemistry

    Aspirin is synthesized in a reaction with a theoretical yield of 0.728 moles of aspirin. What is the % yield of 1.26 g of aspirin is recovered MW of aspirin is 180.15 thank you so much!

    asked on February 17, 2011
  33. Biology

    Please describe, in detail, two physiological innovations that enabled animals to effectively colonize land.

    asked on May 29, 2010
  34. Criminal justice

    How much will it cost me to get my essay critiqued? I have an essay describing each court level and its responsibilities and describing the two main differences you found between the state and federal court systems. I do not want anyone to write my paper

    asked on July 31, 2009
  35. HSM 270 human services

    Describe the general attributes of a grant proposal.

    asked on February 2, 2009
  36. HSM 270

    Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing.

    asked on January 27, 2009
  37. adult education

    I need to identify technical and political aspects of program planning and evaluation that you might encounter in the program scenario you chose, and explain how these aspects could affect your planning and evaluation process. My scenario is this: PEACE's

    asked on January 25, 2009
  38. college

    About the acre woods retirement community case study.... What are some potetial legal and ethical issues present in this case study? How would you charactorize the director's behavior? were the director's messages congruent with the organization's stated

    asked on November 3, 2008
  39. english

    I need a god thesis for this A good citizen is a great for society. She or he feels that she/he has certain responsibilities towards the state, the responsibilities of being loyal and honest. just as the state has certain responsibilities towards him.

    asked on February 13, 2017
  40. Algebtra

    from 630 feet at the top of the horizon. Due to the curvature of the earth how far away is the city. using d=sqrt[3h/2] where d is the distance in nautical miles and h is the height in feet.

    asked on September 11, 2011
  41. genology

    How does a scientist tell if a valcanoe is active or inactive and what is the criteria

    asked on February 14, 2009
  42. human resources

    what are the differences between program planning and grant proposals, how do they relate to each other.

    asked on January 21, 2009
  43. Math

    You wish to paint your room. It's four walls measures 9ft high and 10ft wide. If one gallon of paint covers 120sq. ft, how many gallons of paint will you need? Please help?!!! Need this. Urgent.. With solutions please 🤖

    asked on July 21, 2016
  44. Pre Algebra

    use the discriminant to determine whether the following equations have solutions that are: tow different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. 25x^2=10x-1

    asked on October 4, 2011
  45. HSM 270 human services

    What does quantitative research and quantitative evaluation have to do with human services and why?

    asked on January 29, 2009
  46. psychology

    220514130014401434210 find the variance

    asked on October 29, 2010
  47. social studies - religion

    Describe the place and role of mary and the saints in the life of the church

    asked on May 30, 2010
  48. human services

    Identify three considerations that should be part of the program and proposal prelanning process of grant posposal writing that is 100 to 200 words.

    asked on January 27, 2009
  49. science

    Genologic time: what is absolute dating/nurmerial age? describe this method and how it is used to evaluate genologic time?

    asked on January 27, 2009
  50. human resources

    what are the differences between program planning and grant proposals, how do they relate to each other.

    asked on January 21, 2009
  51. Math

    I have 16 numbers: 3,5,10,11,15,20,8,11,9,10,10,12,13,14, 15,10. These numbers have to be arranged in a 4 by 4 (horizontally and vertically) where each row equals 44. Please Help! Jumping rope can burn 600 calories per hour. write and solve an inequality

    asked on December 14, 2006
  52. math

    √11 real, whole, integer rational or irrational

    asked on June 12, 2016
  53. algebra

    A certain disease affects 9 out of every 10,000 Americans. In a city of 4.5 milion people, how many would you expect to have the disease.

    asked on February 9, 2012
  54. /axia

    a rectangular with a width of x centimeters has an area of centimeters. x^2 + 50x centimeters. Find the Binomial that resperents the length

    asked on September 24, 2010
  55. math

    reasoning....write in order fronm leasr to the greatest the six numbers whose digits are 2,8,9

    asked on August 18, 2009
  56. human services

    If you had to summarize your learning from the multimedia and distinguish between the two types of evaluation, which includes two examples of each evaluation type illustrated in the multimedia, what would you say or what site would you go to find the

    asked on February 17, 2009
  57. human services

    What would you say are the two types of evaluation in human services and what would be their pros and cons of each evaluation.

    asked on February 11, 2009
  58. science245

    In genology (the earth) what are the two historical figures and the process of mantle convention and plate movement.?

    asked on February 5, 2009
  59. trig

    x^2-3y^2=13 x-2y=1 solve for x and y show all your work

    asked on May 28, 2008
  60. Microbes and Society

    ) what cancer diseases that are linked to DNA and RNA tumor viruses. Which diseases are they and which viruses are the causative agents? Describe at least 4 diseases linked to viruses (both DNA and RNA). please help

    asked on February 15, 2017
  61. science

    what is the KE of a 0.2kg rolling ball travelling at a speed of 5m/s

    asked on July 7, 2015
  62. Please help with really hard chem question?

    An electrolysis experiment was run for 17.5 minutes at an average current of 191 milliamps (mA). The mass lost by the copper anode was 0.0679 grams. a) Calculate the number of coloumbs transferred. (coloumb=ampsxsec) b) Calculate the moles of copper lost

    asked on April 16, 2014
  63. math


    asked on September 19, 2012
  64. keyboarding

    in a business report, what spacing should you use between lines?

    asked on October 27, 2011
  65. math

    calculste the variance of this set of numbers 2, 2, o, 3, 1, 4, 1, 3, 0, 0, 1, 4 4, 0, 4, 3, 4, 2, 1, 0, and the standard devative

    asked on October 30, 2010


    asked on July 4, 2012
  67. science245

    how do fossils help in determining the relative age of strata?

    asked on January 30, 2009
  68. math

    Is -46 real, whole, rational, integer or irrational & why

    asked on June 12, 2016
  69. Math - Algegra

    6-6x+7+3x+4x-5=2-4*3 solve and show steps

    asked on January 12, 2016
  70. math


    asked on July 11, 2014
  71. math

    what is the answer to this math problem, y= -1/4(x+3)^2-3

    asked on April 26, 2011
  1. Math


    posted on May 20, 2019
  2. Algebra

    It would have to state greater than or = to right. To be totally correct?

    posted on November 11, 2018
  3. Algebra

    Thank you!!!

    posted on November 11, 2018
  4. english

    okay Thank you

    posted on February 13, 2017
  5. english

    okay I will fix my paragraph and than could I use my last sentence as a thesis

    posted on February 13, 2017
  6. english

    okay can you help on a idea for a thesis

    posted on February 13, 2017
  7. english

    sorry here is the correct one A good citizen is a great for society. She or he feels that she/he has certain responsibilities towards the state, the responsibilities of being loyal and honest. just as the state has certain responsibilities towards him.

    posted on February 13, 2017
  8. english

    thank you and sue does the thesis at the end of my 8 sentence paragraph sound okay . A good citizen is a great for society. She or he feels that she/he has certain responsibilities towards the state, the responsibilities of being loyal and honest. just as

    posted on February 13, 2017
  9. english

    My answer is B

    posted on February 4, 2017
  10. Math

    What is the volume of my previous question? Anyone?? 👻

    posted on July 21, 2016
  11. torque


    posted on May 19, 2016
  12. Multiple Choice HELP!

    find the counter example to show that the statement is incorrect when a counting number is 3 and the sum is divided by 2 , the quotient will be an even numbe

    posted on March 12, 2016
  13. math

    write an expression for situation... 15 more than q

    posted on November 21, 2011
  14. business communication

    D. Is wrong answer

    posted on November 17, 2011
  15. early childhood language arts

    true or false Preschoolers'knowledge of alphabet letters is a good predictor of early reading achievement.

    posted on November 6, 2011
  16. college chem

    two reactants are copper(II)chloride and water what change would you observe in the copper(II)oxide. was there a change in solubility? where is the copper(II) chloride? how can you tell

    posted on October 10, 2011
  17. math

    the correct answer is 3 4(5n-7) = 10n+2 20n-28 = 10n+2 20n= 10n+30 10n=30 n=3

    posted on January 12, 2011
  18. Statistics

    Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test (with an estimated

    posted on November 11, 2010
  19. math

    5/2 is the answer and if it need to be broken down here is the answer 2.1 = 2

    posted on October 29, 2010
  20. Math

    220514130014401434210 find the variance

    posted on October 29, 2010
  21. Science

    •What are some of the benefits that unsaturated fats and proteins provide when included in a balanced diet? Explain your answer.

    posted on August 24, 2010
  22. genology

    Thank you!

    posted on February 14, 2009
  23. human services

    I have learned that to have an evaluation when working with the human services department, and how doing an evaluation can or can not be good when issues are being made or how they might work for clients. How some think that the manager must be the one to

    posted on February 11, 2009
  24. earth/science 245

    Thank you Sue.

    posted on February 3, 2009
  25. HSM 270 human services

    Thank you Sue, this is what I needed.

    posted on February 2, 2009
  26. science245

    All I would like to know is what web sites would I find anything about this subject. That is all I would like to know.There is no need to be smart about it. I think I ask this when I wrote this the first time. I can and am willing to write my own paper,

    posted on January 27, 2009
  27. human services

    Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing. Sorry if I did not explain clearly.

    posted on January 27, 2009
  28. human services

    Human services department, we are to write about the three considerations that would be apart of the program and proposal preplanning process of a grant proposal?

    posted on January 27, 2009
  29. Making a job table

    job table that spans to three weeks

    posted on August 11, 2008