Mina

Newest questions posted by Mina
  1. Math

    barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem.
  2. Math

    barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem.
  3. Grammar

    The nurse's notes in the medical record indicate the patient's pain was severe. What is wrong with this sentence? Or wrong grammatical errors?
  4. Grammar

    If they......they would not drive this car for vacation A- knew B- had known C- know D- had knew What is the right tense?
  5. Math

    9-8x7+6:3=...?
  6. statistics

    A national caterer determined that 87% of the people who sampled their food said that it was delicious. A random sample of 144 people is obtained from a population of 5000. The 144 people are asked to sample the caterer’s food. If p ^ is the sample
  7. Algebra 1 Honors

    Which of the following statements best describes the effect of replacing the graph of f(x) with the graph of f(x) − 5? The graph shifts 5 units up. The graph shifts 5 units down. The graph shifts 5 units left. The graph shifts 5 units right. Is the
  8. Statistics

    The events A and B are such that P(A\B)=0.4, P(B\A)=0.25 and P(A n B)=0.12 compute the following; 1. P(A) and p(B) 2. P(A n B') and P(A' n B) 3.P(A u B)and P[(A u B)']
  9. Business maths

    a dealer makes a profit of 25% when he sells a shirt at a discount of 30%. if the profit is 91, find the marked price of this shirt.
  10. statistics

    Select the TWO options that are TRUE statements about two-sample t-tests. Select one or more: The same formula is used for the ESE (estimated standard error) in the two-sample t-test with a common variance and the two-sample t-test with unequal variances.
  11. statistics

    Select the TWO options that are TRUE statements about two-sample t-tests. Select one or more: The same formula is used for the ESE (estimated standard error) in the two-sample t-test with a common variance and the two-sample t-test with unequal variances.
  12. Math

    Data were collected, using a sample survey, on the inhabitants of a British town. Among other things, the respondents were asked their age and their satisfaction with the shopping opportunities in the local high street. These data were used to construct a
  13. English

    Rony would rather that zahid had not lived in the room where the former studies.. correct the sentence
  14. math

    Solve the system of equations algebraically. Show all your steps. y=x^2+2x y=3x+20 Can someone pease help me? I don't think I'm right. Would it be x=-4, y=8 Then, x=5,y=35??
  15. History

    Pls check my answers.. The Northwest Ordinance established all of the following, except.. A. Rules for territories to become states B. Denying slavery to new states formed from the territory C. Preventing new states from entering the US D. The right to
  16. broward college

    collagen vascular disease ,affect the protein collagen ,the main component of collagen fibers. predict the possible consequence of defective collagen fibers on specific organs and tissues how would effect of collagen vascular disease that affected only the
  17. chemistry

    assuming in the titration of NaCl and AgNO3, a student erroneously carried it out at a low PH,what effect will it be on the result. explain with an ionic equation
  18. Social Studies

    I have 2 questions... 1) Why did most merchants not travel the entire distance from China to the Middle East to trade their goods? A. difficult terrain B. taxes C. language barriers D. all of the above I think it is D 2) Which of these were received by
  19. English

    Explain why the setting depicted in the V for Vendetta trailer is a dystopia. Use specific examples in your explanation. This is what I have so far not sure if it is correct. A dystopia is an imagined place or state in which everything is unpleasant or an
  20. English

    Explain why the setting depicted in the V for Vendetta trailer is a dystopia. Use specific examples in your explanation.
  21. Biology

    Okay my question has to do with a pedigree shown in an illustration. Since I can't show the illustration I'll do my best to describe it: There's a mother and a father and they have 4 kids: 2 boys, 2 girls. Circles represent females and squares males. A
  22. Biology

    Proteins are manufactured through the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in the process, they are modified to
  23. applied logic, math

    writing a program using loop structure, need the equation to produce all even numbers from 2-100 to print out each time I go through the loop
  24. math

    cosx sinx -sinx=0
  25. English

    Sort words by long vowels sound. 1date 2 fine 3 rose 4 lake 5 life 6home 7safe 8 rice 9 globe 10 plane
  26. Math

    Use the number tiles below to fill in the addition equation to create the largest possible sum . 372 8
  27. science

    how do we know that there are 100 trillion cells in our body i mean who count them or is there any activity behind?
  28. Psychology

    I'm doing the classic experiment on "reaction time: male vs. female. " The test involve dropping a ruler and see where the subject catches it. The problem is that If i was the one to drop the ruler, depend on the subject being male or female, it would
  29. psychology

    It's for a psychology experiment, i'm comparing the reaction times of people to the number of hours of sleep they get per night on average. Please give me some ideas on how to carry out this experiment. For example, like what will be a good way to select
  30. psychology

    It's for a psychology experiment, i'm comparing the reaction times of people to the number of hours of sleep they get per night on average. Please give me some ideas on how to carry out this experiment. For example, like what will be a good way to select
  31. functions

    4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.
  32. Physics

    What happens after an elastic collision between a hydrogen atom at rest and a helium atom moving 150 m/s? Which direction will the particle move after the collision? Which particle will have a higher speed after the collision? What happens when a neutron
  33. Statistic

    experimental Placebo (n=100) (n=100) Mean BP 120.2(15.4) (131.4(18.9) Hypertentive(%) 14 22 side effect (%) 6 8 Trial involve 200 subject,rendomally receiving either medication or placebo. The data collected at the end of trialafter 6 week study. a) test
  34. Physical Science

    A cylinder contains a gas with the pressure of 125kpa at a temp. of 200k. What is the temp. of the gas at a pressure of 100kpa?
  35. Physics

    A Ferris Wheel with a radius of 15 meter makes one complete rotation every 10 seconds.
  36. Physics

    Two vectors are at right angle to each other as shown. Find the resultant vector (the sum of the two vectors).
  37. Physics

    Calculate the gravitational force between two identical 100-kg masses separated by 1 m.
  38. Physics

    A ball is throwing downward with an initial velocity of 10 m/sec. If the final velocity is 20 m/s, what is the time?
  39. physics

    An American standard analog television picture (non-HDTV), also known as NTSC, is composed of approximately 485 horizontal lines of varying light intensity. Assume your ability to resolve the lines is limited only by the Rayleigh criterion, the pupils of
  40. physics

    Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft?
  41. Physics

    A car with a mass of 1380 kg is moving around a curve with a radius of 50 m at a constant speed of 25 m/s (about 56 MPH). (a) What is the centripetal acceleration of the car? 1 m/s2 (b) What is the magnitude of the force required to produce this
  42. business math

    A videocassette manufacturer has determined that its weekly cost equation is C = 3000 + 10x, where x is the number of cassettes produced and sold each week. If cassettes are sold for $15 each to distributions, how many must be sold each week for the
  43. Physics

    An upward force of 35 N is applied via a string to lift a ball with a mass of 2.1 kg. (a) What is the net force acting upon the ball? magnitude 1 N direction 2 ---Select--- upward downward (b) What is the acceleration of the ball? magnitude 3 m/s2
  44. Physics

    An upward force of 35 N is applied via a string to lift a ball with a mass of 2.1 kg. (a) What is the net force acting upon the ball? (b) What is the acceleration of the ball?
  45. math

    write a set of data with this following description there are 7 numbers in the data set the minimum is 17 the range is 45 the median is 32 the mode is 41
  46. English

    which way is correct Tuesday November 1st, 2011 or Tuesday, November 1st, 2011?
  47. Spanish

    Last paragraph. I wasn't going to post it, but considering how atrocious my last two were... A fictional invitation with details about a party. Include: date, time, location/ apparel/ purpose of party/ gift ideas. Estamos teniendo una fiesta de cumpleaños
  48. Spanish

    Last paragraph. I wasn't going to post it, but considering how atrocious my last two were... A fictional invitation with details about a party. Include: date, time, location/ apparel/ purpose of party/ gift ideas. Estamos teniendo una fiesta de cumpleaños
  49. Spanish

    I apologize for my previous question, the one with paragraphs in Spanish. I obviously have no idea what I'm doing. They make sense in English, but I'm having a hard time translating to Spanish. Thank you, Sra, for attempting to help. :] The first
  50. Spanish

    Letters in Spanish about doing chores and restaurant review. I have revised these at least 5 times each and feel like I have messed up several times. Possible grammar fails :/ Please help? No puedo ir a ningún lado, tengo que quedarme en casa y hacer las
  51. physics

    Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a symbolic expression for the resultant electric field at the center of the circle.
  52. mete

    Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a symbolic expression for the resultant electric field at the center of the circle.
  53. bio

    You have a sample of NaCl that contains 100 mg/ml NaCl. You are trying to perform an reaction that requires 10ml of 20 mg/ml. Enter in the correct amount (in ml) of Stock NaCl solution you need to use to make 10ml of 20 mg/ml NaCl
  54. Chemistry

    At 1285°C, the equilibrium constant for the reaction Br2 (gas) 2Br (gas) is Keq= 1.04 X 10^ -3 A 0.200-L vessel containing an equilibrium mixture of gases has 0.245 g. Br2 (gas) in it. What is the mass of Br (gas) in the vessel? What are the
  55. english

    my teacher ask me What recommendation does the calculator make for you? what that mean
  56. com 155

    how can i use five adverbs and five adjectives in senteses
  57. com 155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing,
  58. accounting

    Select a business in your community and observe its internal control over cash receipts and cash payments. The business could be a bank, bookstore, restaurant, department store, or other retailer. What are the strengths and weaknesses? What would you do to
  59. OChem

    What's the purpose of "PREPARATION OF A SYNTHETIC PLANT HORMONE Adapted from "p-Chlorophenoxyacetic Acid – Preparation of a Synthetic Plant Hormone." thanks
  60. Mathematicas

    The 6 fourth-grade classes at Marathon Elementary School are having a kick-ball tournament. Each class must play each other one in the tournament. How many kick-ball games must be scheduled?
  61. 9th grade

    Factor y2 + 10z - 10y - yz.
  62. Biology

    How does an increased carbon dioxide concentration in the blood affect expiration and inspiration?
  63. Literature

    What influences the mood and tone of the play [in Romeo and Juliet]?
  64. Math

    You are playing a card gam e with a full deck of 52 cards. You win if you draw a red card that is a mltiple of 5. What are your chances of winning on your first draw? For me will be 4/52 . It's that correct?
  65. math

    the biology club budgeted $200 for their pancake breakfast. each meal costs $1.50 to prepare. write an inequality that represents the number of meals that can be prepared without going over the budget.
  66. finance

    if you're paying a bill for the office which has 5%, 10 days stamped across it, how much would you write a check for if you were paying a $100 bill 6 days from the date of invoice?a.$90, b.$100, c.$95, d.$105
  67. Calculus

    solve second-order initial value problem y"(x)= x e^-2x y'(0)= 0 y(0)= 0
  68. Calculus

    Solve the first-order initial value problem using half angle formulas {y'(x)= 1 + sin^2 x y (0)= -7
  69. math

    how do i expand and simplify (2x+5) (3x-4)