Esmeralda

Newest questions posted by Esmeralda
  1. math

    a rectangular window had a height of 5 1/2 feet and a width of 1 1/2 feet. what is the perimeter of the window?
  2. Math

    Esmeralda said 4/3 is greater than 7/2 is she right explain your answer.
  3. algebra

    a random sample of 1000 people was chosen for a survey. 80% of them had health insurance. Find the 95% confidence interval
  4. math

    How do we know how to do the expanded form for 3,552,308,725
  5. Penn Foster

    Would you please help me with these two questions on which i am not sure of my answers.? I marked my answers with a parenthesis. On the second question I can not make up my mind between c & d. Thank you for any assistance you can provide. waiting for your
  6. us history

    how might the overall atmosphere of the 1920's have contributed to the failure of prohibition?
  7. us history

    do you think the passage of the volstead act and the verdicts of the scopes trial are in line with traditional american values?
  8. u.s.history

    how successful was Harding in fulfilling his campaign pledge pf returning the country to normalcy?
  9. Math

    Three different numbers are chosen at random from the set {1,2,3,4,5}. The numbers are arranged in increasing order. What is the probability that the resulting sequence is an arithmetic sequence?
  10. Math

    Three different numbers are chosen at random from the set {1,2,3,4,5}. The numbers are arranged in increasing order. What is the probability that the resulting sequence is an arithmetic sequence?
  11. physics

    (A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the runner to the finish line at 46.2 km/hr (6 times as fast as the runner). When the bird reaches the finish line, it turns around and
  12. science

    (A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the runner to the finish line at 46.2 km/hr (6 times as fast as the runner). When the bird reaches the finish line, it turns around and
  13. books

    what tense is the feminine mystique written in? first , third or omniscient?
  14. social studies

    In 1973, Congress enacted the endagered species Act (ESA) to protect plants and animals from extinction. Many methods are used for protection. Residential or commercial developments may be banned in an area that is set aside to protect animal or plant
  15. Chemistry

    I have a lab for chemistry that I have to turn in soon, and I have no idea what the major and minor species if any of each of the substances we tested. Can someone please help me answer which one is the major/minor species of each of the elements? They
  16. Chemistry

    I have a lab for chemistry that I have to turn in soon, and I have no idea what the major and minor species if any of each of the substances we tested. Can someone please help me answer which one is the major/minor species of each of the elements? They
  17. Physics

    where should an object be placed in front of a concave mirror so that it produces an image at the same location as the object? Is the image real or virtual? Is the image inverted or upright ?
  18. Chemistry

    A 45 g sample of a ketose with a general formula CnH2nOn gives 18.45 liter of CO2 at 27C and 2 atm and 27 g of water when burned. If 1.204 x 10 23 molecules of this ketose weigh 30 g, what are its molecular and structural formulas ?
  19. Chemistry

    A 45 g sample of a ketose with a general formula CnH2nOn gives 18.45 liter of CO2 at 27C and 2 atm and 27 g of water when burned. If 1.204 x 10 23 molecules of this ketose weigh 30 g, what are its molecular and structural formulas ?
  20. physics

    A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of
  21. physics

    A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of
  22. physics

    A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of
  23. 12th grade

    Think of a business in your local area. Describe its operation in terms of factor markets and product markets.
  24. Chemistry using concentration

    How many milliliters of 0.1256 M NaOH are required to provide 1.852 g of NaOH?
  25. chemistry

    The specific gravity of a sample of concentrated nitric acid is 1.42. What is the volume in liters at 20oC occupied by 145.3 g of this concentrate nitric acid?