trina

Most popular questions and responses by trina
  1. science

    In a serious accident, nuclear power plants reactor vessel cracks and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat the reactor's 2.5× 10 to the 5 power kg uranium core at rate of 120 Mega-Watts.

    asked on July 27, 2013
  2. science

    On a hot summer day (30 degrees Celsius), a pesky little mosquito produced its warning sound near your ear. The sound is produced by the beating of its wings at a rate of about 600 wings beats per second. What is the frequency in Hertz of the sound wave?

    asked on July 26, 2013
  3. scince

    During a rain storm, rain comes straight down with velocity Vi =-15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is 0.060 kg every second. Assuming that the rain comes to rest upon strikingthe car (

    asked on July 26, 2013
  4. music 394

    What is ''American'' music and what differentiates it from European or African Music

    asked on March 26, 2017
  5. math

    On a centimeter dot array, draw all possible rectangles with a perimeter of 16cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each. Also the area of each rectangle. Compare the shapes of the rectangles with the

    asked on January 29, 2013
  6. science

    A motorcyclist is trying to leap across a canyon by driving horizontally of the cliff that is 70.0m high at 38.0m/s. Ignoring air resistance, use energy conservation to find the speed with which the cycle strikes the ground at a height of 35.0 on the other

    asked on July 26, 2013
  7. Chemistry

    The equation for photon energy, , is where = 6.626×10−34 (Planck's constant) and = 3.00×108 (the speed of light). What is the wavelength, , of a photon that has an energy of = 3.99×10−19 ? How do go about solving this? I multipled the constant w/

    asked on December 8, 2012
  8. science

    One of Saturn's moons has an orbital distance of 1.87×100000000m. The mean orbital period of this moon is approximately 23hours. Use this information to estimate a mass for the planet Saturn.

    asked on July 26, 2013
  9. science

    One of Saturn's moons has an orbital distance of 1.87× 10m to the 8 power. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.

    asked on July 27, 2013
  10. scince

    A man pushes a 50N box across a level floor at a constant speed of 2.0m/s for 10s. Find the average power output by a man.

    asked on July 26, 2013
  11. physical science

    during a race a runner runs at a speed of 6 m/s. 2 seconds later she is running at a speed of 10 m/s. what is runners acceleration? show your work.

    asked on March 26, 2013
  12. college algebra

    a cake recipe calls for 1 2/4 cups of sugar. A caterere has 15 1/2 cups of sugar on hand. how many cakes can he make?

    asked on October 21, 2015
  13. science

    A 15kg object is pushed to the right with a net force of 60N. If a 5kg object experiences the same acceleration, how much force is it being pushed with?

    asked on July 26, 2013
  14. Chemistry

    Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l) i got 2525 and its going in as incorrect Now you get to balance this

    asked on December 14, 2012
  15. Math

    Myrna budgets 22% of her annual income for housing . It she budgets $400 per month for housing, what is her annual income

    asked on November 11, 2013
  16. marketing

    Please refer to the following advantages and disadvantages: Advantages Little capital outlay Some control of operations Risks are shared and limited Local knowledge Disadvantages/Potential problems Limited contact with customers No direct control of

    asked on March 17, 2011
  17. CHEMISTRY HELP ASAP

    Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l) i got 2525 and its going in as incorrect Now you get to balance this

    asked on December 14, 2012
  18. Geomatry

    John’s backyard is shaped like a rectangle as shown below. The entire yard is grass, except for a 60 foot by 30 foot rectangular swimming pool. NA What is the area of the yard that is grass?

    asked on March 22, 2011
  19. general science

    If a graph shows time on the horizontal axis and speed on the vertical axis, a stright horizontal line across the graph would indicate?

    asked on November 2, 2009
  20. Chemistry

    How do you calculate the density of a rectangular solid, which has a mass of 25.71

    asked on September 12, 2012
  21. math

    Sara has gone to work for 60 days. On 39 of those days she arrived at work before 8:30A.M. On the rest of the days she arrived after 8:30A.M What is the experimental probability that she will arrive at work after 8:30A.M the next day she goes to work

    asked on February 27, 2011
  22. health

    Although hospital inpatient records have traditionally served as the documentation source and business record for patient care information. a.all patient records contain similar content and format features. b.alternate care facility records serve as the

    asked on February 6, 2011
  23. statistics

    Lorraine was in a hurry when she computed a confidence interval for . Because was not known, she used a Student's t distribution. However, she accidentally used degrees of freedom n + 1 instead of n - 1. v Will her confidence interval be longer or shorter

    asked on April 29, 2012
  24. chemistry

    In a buffer pre-lab, we were asked to complete a table for 10 test tubes. In tube 1, you had 0.20 M of acetic acid only and were asked to find the pH. I think the answer is 2.72 (using a ICE table). In tube 2, you have 90 mL of Acetic Acid and 10 mL of

    asked on May 16, 2011
  25. math 209

    Area of a sail. The area in square meters for a triangle is given by A(x)=x^2 +5x +6. a.) Find A(5) b) if the height of the sail is x+3 meters, then what is the length of the base of the sail when area is x^2 +5x+6m^2?

    asked on June 22, 2009
  26. UNIVESITY OF PHOENIX

    I AM DOING A FALLIACIE ASSIGMENT WHAT TYPE OF SENTENCE IS THIS. Letter to the editor: “Andrea Keene’s selective morality is once again showing through in her July 15 letter. This time she expresses her abhorrence of abortion. But how we see only what

    asked on October 23, 2007
  27. Algebra

    When 345 is added to a number, the result is 987. Find the number?

    asked on June 9, 2017
  28. Forensic Psychologist

    Identify and articulate the similarities and differences between the therapeutic and forensic roles for both assessment and treatment.

    asked on October 9, 2016
  29. Chemistry

    The equation for photon energy, , is where = 6.626×10−34 (Planck's constant) and = 3.00×108 (the speed of light). What is the wavelength, , of a photon that has an energy of = 3.99×10−19 ? How do go about solving this? I multipled the constant w/

    asked on December 10, 2012
  30. Chemistry 1110

    If 3 L of hydrogen and 1.5 L of oxygen at STP react to yield water how many moles of water are formed? What gas volume does the water have at a temperature of 100degrees C and 1 atm pressure?

    asked on March 13, 2012
  31. HCS438

    The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

    asked on August 1, 2010
  32. Acc 230

    The following is an excerpt from Lucent Technologies’ Management’s Discussion and Analysis of Financial Condition and Results of Operations: Executive Summary We design and deliver the systems, software and services that drive next-generation

    asked on June 20, 2010
  33. math

    The diameter of the Earth is approximately 7920 miles. Given that the circumference of a circle is _ times its diameter, which statemnt best describles the length of a trip from Washington to Madagascar that is approximately 8600 miles long? Your question

    asked on August 25, 2006
  34. Math

    BOOKBINDING Two square sheets of cardboard used for making book covers differ in area by 44 inches. An edge of the larger square is 2 inches greater than an edge of the smaller square. Find the length of an edge of the smaller square. My answer: Let x be

    asked on October 30, 2016
  35. Sci207

    In the United States, we are fortunate to have an abundant supply of food. However, this abundance is largely due to advances in agricultural technology, which have in turn created numerous concerns surrounding our food sources. Provide at least two modern

    asked on November 3, 2014
  36. Can someone please help me with balancing ASAP

    Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l)

    asked on December 14, 2012
  37. E.C.E

    The Boolean search connector OR is used for which of the following purposes?

    asked on March 15, 2012
  38. algebra

    Use the discriminant to find out whether this quadratic polynomial can be factored. Factor the polynomial if it is not prime. This polnomial is prime, so I cannot factor it. I just need help with the discriminant part. Thaks in advance for your help.

    asked on September 3, 2010
  39. 10th grade

    Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point) square trapezoid parallelogram

    asked on June 3, 2010
  40. mathematics

    Draw a graph of the mirror line y=x, the function f:x 3x+2 and its inverse f`1 x x-2/3, for the domain of x, -2

    asked on September 7, 2009
  41. Math

    Please double check me. The last problem I couldn't figure out. Thanks 18. 13/18 + 11/18 = 24/18= 4/3 38. 9/11 – 3/11 + 7/11 = 13/11=2 1/11 44. 7/1 + 12/1 + 21/1= 40/1=40 50. 3/8 + 3/8 + 3/8 = 9/8 = 1 1/8 12, 20, and 35 = 7*5*3*2*2= 420 13/15 – 11/20 =

    asked on February 15, 2008
  42. Math

    Use three methods to express each problem’s ratio. Simplify all fractions. 1. Anna has 12 black rabbits and 4 brown. What is the ratio of black rabbits to brown rabbits?

    asked on February 4, 2016
  43. math

    John as building a new fence and wants it to stand 81/2 feet above ground level to make sure its secure he must place it 23/4 feet into the ground.how long of a post should john buy?

    asked on September 18, 2014
  44. Percentages

    Some doctors recommend that no more than 30% of a person's daily calories come from fats. Following this recommendation, if you eat 2,400 calories in a day, what is the maximum number that should come from fats? I can figure the answer out all by myself, I

    asked on January 9, 2013
  45. Physical science

    What is the mass in kg of a cone made of brass that has a base radius of 25 cm and a height of 50 cm.

    asked on March 4, 2011
  46. health

    The hospital inpatient record documents the care and treatment received by a patient admitted to the hospital. Where is the paper-based record stored while the patient is in the hospital? a.All patient records are stored in the health information

    asked on February 6, 2011
  47. 12th grade

    can anyone explain how to divide in algebra? I have this problem: (15x2-24+9)/(3x-3) I am not looking for someone to give me the answer straight out I just need to know how to get there.

    asked on December 15, 2010
  48. statistic

    The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

    asked on August 1, 2010
  49. high school

    according to jean piaget, in what is all learning based?

    asked on June 29, 2010
  50. college

    How o Isolve by using the elimination method. 5x + 5y= -7 7x - 2y= 17

    asked on June 5, 2010
  51. crimmnal justice

    · Write a 700 - 1,050 word paper in which you compare and contrast the seven major ethical systems

    asked on December 20, 2009
  52. Math (Dr. Russ)

    Ok thanks i understand all of that but how did they come up with the value 4 in between 0 and 8?

    asked on September 7, 2009
  53. 8th grade

    You complete a project for your social studies class. There are 3 parts to the project, worth a total of 100 points. You get 50 out of 50 points on part A, and 23 out of 25 points on part C. The total score you received is 93 out of 100. How many points

    asked on August 24, 2009
  54. Math

    Write each of the following as a common fraction or mixed number. Write your answer in lowest term 15.35

    asked on February 19, 2008
  55. Math

    Please help me with these problems. Decimals and fractions Construction: an a-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that cost $3 per square foot, what will the glass cost? The distance

    asked on February 19, 2008
  56. ECON

    How do you calculate/formula the value of a firm? http://www.marketingprofs.com/ea/qst_question.asp?qstID=5984

    asked on June 19, 2005
  57. Chemistry

    The equation for photon energy, , is where = 6.626×10−34 (Planck's constant) and = 3.00×108 (the speed of light). What is the wavelength, , of a photon that has an energy of = 3.99×10−19 ? How do go about solving this? I multipled the constant w/

    asked on December 11, 2012
  58. Math

    x2 + bx + c and ax2 + bx + c.

    asked on November 4, 2012
  59. Math

    x2 + bx + c and ax2 + bx + c.

    asked on November 4, 2012
  60. Chemistry Class

    What is the molality of a solution made by adding 0.145 g of sodium acetate to 119 ml water? How do I find molality?

    asked on November 1, 2012
  61. chemistry

    explain inside a flashbulb are the 2 reactants necessary for a violent reaction that produce light yet they don't react..

    asked on May 16, 2011
  62. health

    The primary purpose of the patient record is to provide continuity of care, which means. a. documenting services so others have a source from which to base care. b.evaluating the quality of patient care. c.providing information to third-party payers for

    asked on February 6, 2011
  63. algebra

    The third power of sqrt of 5b^9. Can someone point out the steps for solving this problem. Thanks for your help in advance.

    asked on September 5, 2010
  64. algebra homework

    I am having some problem with solving a problem that the teacher gave to us. I ahving been working on it, but I just can't seem to get it. I keep getting the answer 2(y-2)/y+2. 3/y-3/2y+4

    asked on August 27, 2010
  65. statistics

    A data set consists of a set of numerical values. Which, if any, of the following statements could be correct? a. There is no mode. b. There are two modes. c. There are three modes.

    asked on August 9, 2010
  66. Spanish

    What is the proper form? Nosotros (deber/estudiar)___ mucho esta semana. debemos/estudiamos or debemos/estudiar

    asked on July 8, 2010
  67. math

    can someone let me know if this is the correct answer for this problem.. (3+8)+2=(8+3)+2- would this problem be consired Associatve?

    asked on January 29, 2010
  68. math

    Look for compatible numbers to find the exact answer mentally 5x26x4

    asked on January 29, 2010
  69. Algebra

    How to use (3+a+b)3 to a commutative law of multiplication to a equivalent equation

    asked on June 9, 2017
  70. Maths

    A company is planning to manufacture and sell a new headphone set. After conducting extensive market surveys, the research department provide the following estimates: Marginal costs function: c^' (x)=RM(40+0.4x) where x is the quantity sold for the fixed

    asked on October 18, 2016
  71. Forensic Psychologist

    I need a speedy answer for this assignment please. I have posted several questions then I should be able to take over my responsibilities moving forward. Identify and articulate the similarities and differences between the therapeutic and forensic roles

    asked on October 9, 2016
  72. Forensic Psychologist

    Articulate the potential ethical conflicts and discuss how those conflicts might be managed.

    asked on October 9, 2016
  73. math - fraction

    1/4 + 7/50 + 27/50 =

    asked on October 22, 2015
  74. Math

    If f(x)-lnx,g(x)=e^8x, and h(x)=x^7, find the following: a. (f.g)(x). what is the domain of f.g? b.(g.f)(x). what is the domain of g.f? c. (f.h)(x). what is the domain of f.h? I have no clue how to do this. Somebody please help me?? please???

    asked on March 27, 2013
  75. Math

    $15,000 in the bank at 3% interest, how much would you have in the bank after one year if the interest were compounded quarterly

    asked on August 9, 2012
  76. social studies

    From the point of view of an environmentalist, which is probably the most significant argument against offshore drilling for oil?

    asked on January 28, 2011
  77. science

    which of the following are involved in the clotting process.

    asked on January 14, 2011
  78. Algebra

    please help me solve 3x-x+7=9+2x.

    asked on September 30, 2010
  79. algebra

    Can someone show me how to use the quadratic formula to solve this problem.This is for extra credit.I don't uderstand how to do this, so can someone point out the steps so I can be able to do the other five problem like this one. Thanks again for your

    asked on September 4, 2010
  80. statistic

    3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

    asked on August 9, 2010
  81. Geometry

    Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point) square trapezoid parallelogram

    asked on June 3, 2010
  82. english

    1. What learning similarities and differences are apparent? 2. What is the important of knowing your learning strengths in addition to those of your classmates? 3. How may this knowledge be beneficial to collaborative work completed in an online learning

    asked on December 30, 2009
  83. Math

    Please help The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting

    asked on February 20, 2008
  84. psychology

    If Donna is highly creative? does she focus on one problem at a time or is she a convergent thinker

    asked on February 10, 2008
  1. Science

    54

    posted on September 12, 2017
  2. computer literacy

    1 (d) 2 (b) 3 (d) 4(a) 5(c) 6(d) 7(d) 8(a) 9(c) 10(a) these are correct ans

    posted on July 23, 2017
  3. Algebra

    How to use (3+a+b)6 commutative law of multiplication to write an equivalent equation

    posted on June 9, 2017
  4. Forensic Psychology

    I posted this information to obtain help with a solid thesis and I will go from there. Thanks

    posted on October 9, 2016
  5. Forensic Psychologist

    Articulate the potential ethical conflicts and discuss how those conflicts might be managed. Using multiple sources, defend your thesis on how and why therapeutic and forensic roles should or should not be reconciled. Be sure to address the issues of dual

    posted on October 9, 2016
  6. Forensic Psychologist

    I am looking for a solid thesis statement Identify and articulate the similarities and differences between the therapeutic and forensic roles for both assessment and treatment. Articulate the potential ethical conflicts and discuss how those conflicts

    posted on October 9, 2016
  7. math

    She works 2 hours each day

    posted on December 11, 2014
  8. meadowcreek

    I need. Help With. My. Homework

    posted on February 27, 2014
  9. Percentages

    So I tried multiplying 0.3 because i later remembered that 10x10=100 and 3x10=30% so I multiplied and my answer was 720. Is this correct?

    posted on January 9, 2013
  10. Percentages

    So you JUST multiply the 30% by the 2,400? Okay thank you!

    posted on January 9, 2013
  11. Percentages

    0.3 is 3/10 though, right?

    posted on January 9, 2013
  12. Can someone please help me with balancing ASAP

    Forget it i figured it out

    posted on December 14, 2012
  13. Can someone please help me with balancing ASAP

    For some reason its still not working

    posted on December 14, 2012
  14. Can someone please help me with balancing ASAP

    I have tried putting in diff answers but its not working

    posted on December 14, 2012
  15. Math

    The thing to remember here I think is PEMDAS that is Brackets are first then parenthesies then multiplycation from left to right then division if there was any from left to right and finally addition and the subtraction. I hope that helps you out some.

    posted on December 3, 2010
  16. 2nd grade

    if you have two ones and double it (2+2) for your tens then you come up with 42.

    posted on December 3, 2010