1. Probability

    I would really appreciate if someone could help me out. A test for a certain drug produces a false negative 5% of the time and false positive 8% of the time. Suppose 12% of the employees at a certain company use the drug. If an employee at the company
  2. statistics

    Please help asap! A tire company is considering a tire replacement company. They have agreed to replace any tire that fails with a life in the bottom 10% of the population. For a given population of tires, the life is a normal distribution with a mean of
  3. English

    Thank you very much for your last corrections. Can you please let me know if the following statements are correct? 1)Briefly outline the different types of narrator you can encounter when reading a narrative text/or in a narrative text? Refer then to the
  4. economics

    A local cable company, the sole provider of cable television service, is regulated by the municipal government. The owner of the company claims that she is normally opposed to regulation by government, but asserts that regulation is necessary because local
  5. College Algebra

    A company is planning to produce and sell a new line of tvs. The fixed cost for the company is $400,440 and each tv cost $845 to produce. If they project the sales price of 1200, how many tvs will need to be sold to break even? If they decide to reduce the
  6. Science

    PLEASE CHECK MY ANSWERS :) answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere *** hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces
  7. algebra 1

    the population of a city can be modeled using the equation p=40,000x(9/10)^x. one year the population was 23620. what was the following population a year later.
  8. Math

    The school band is comprised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1:8. However, this year the
  9. Math

    The school band is compromised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1;8. However, this year
  10. English Please.

    It had been there when the midwife had announced, ‘You’ve a boy.’ The hat was there when his wife had their second little joy. Why does the author MOST likely choose the words, ‘their second little joy’? A)They had twin boys. B)It expresses that
  11. programming logic and design

    I need help writing pseudocode for this problem: Design a retirement planning calculator for skulling financial services • Allow a user enter a number of working years remaining in the user career and the annual amount of money the user can save •
  12. Expected Utility-Econ

    Suppose that your wealth is $250,000. You buy a $200,000 house and invest the remainder in a risk-free asset paying an annual interest rate of 6 percent. There is a probability of 0.001 that your house will burn to the ground and its value will be reduced
  13. Math

    The population of a town is modelled by P=-0.1x^2+1.2x+4.4 where x is the number of years since the year 2000, and y is the population in thousands. a) In the year 2005, what is the population? I used the equation, put x=5 and I got 7900 as the
  14. Math

    We all need help on this. The population of a town is modelled by P=-0.1x^2+1.2x+4.4 where x is the number of years since the year 2000, and y is the population in thousands.  a) In the year 2005, what is the population?  I used the equation, put x=5 and
  15. Accounting

    Jay Pembroke started a business. During the first month (April 20--), the following transactions occurred. Invested cash in business, $18,428. Bought office supplies for $4,433: $1,896 in cash and $2,537 on account. Paid one-year insurance premium, $1,003.
  16. Statistics

    Restaurant built in Edmonton has 80% chance of 1 year. If built in St Albert survival falls to 65%.Estimated chance St Albert is available is 60% and Edm 40%. A)Probability the restaurant will survive 1 year B) be built in Edm and last 1 yr C) be built in
  17. math

    A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of
  18. Algebra

    a. For the first company, express in words the amount the cab company charges per ride and per mile. Charge per ride: $3 per mile $0.50 b. Write an equation in slope-intercept, point-slope, or standard form. Explain why you chose the form you did.
  19. government

    Which of the following is eligible to run for the presidency: a 45-year old banker who was born and raised in Wyoming or a 30-year-old State legislator who was born in Virginia, lived abroad for 10 years, then returned to Virginia?
  20. BEHRIA

    A SUM OF $8000 IS INVESTED IN A SAVING ACCOUNT WHICH PAY THE INTEREST AT COMPOUNDED ANNUALLY .IF THE AMOUNT OF IN KEPT ON DEPOSIT FOR 6 YEAR WHAT WILL THE COMPOUND AMOUNT EQUAL? HOW MUCH INTEREST WILL BE EARNED DURING THE 6 YEAR
  21. chem

    Annual production of sulfuric acid in the United States last year was 400. million tons. If the density of sulfuric acid is 1.37 g/mL, find the total volume in m^3 produced in the U.S. last year.
  22. Business math

    Munshi saved rm 500 a year ago and x ringgit today , in an account that pays 8.5% compounded semi- annually . Find the value of x if he wants rm 1000 in the account one year from today.
  23. Engineering Economy

    What is the future worth of $1,000 in month 1, $1,040 in month 2, and amounts increasing by $40 per month through month 12, at the end of year 2 if the interest rate is 23.7631528% per year, compounded continuously?
  24. MATHS

    Logan Academy students take part in four field trips during the school year. They visit a library, a museum, a park, and a zoo. How many different ways can the four trips be ordered for the school year?
  25. math

    sales of computer increased by 5% per year over a 7 year period. by what total percent did sales of computers increase during this time period. round the answer correct to one decimal place
  26. chemistry

    100 million automobiles contains 1.1 kg of CFC-12 and leaks 25% of its CFC-12(CF2Cl2) into the atmosphere per year, how much Chlorine in kilograms is added to the atmosphere each year due to auto air conditioners?
  27. Language Arts

    Which of the following sentences uses a predicate adjective. A. The rain looked shiny under the streetlight. B. Rachel will be our instructor this year. C. The snow looked like glitter on the ground. D. This year, our instructor will be she. Is the answer
  28. macroeconomics

    b. Now suppose that the gross national debt initially is equal to $2.5 trillion and the federal government then runs a deficit of $100 billion: i. What is the new level of gross national debt? ii. If 100 percent of the deficit is financed by the sale of
  29. Accounting

    Assume that in Year 1, the ending merchandise inventory is overstated by $30,000. If this is the only error in Years 1 and 2, fill in the items below, indicating which items will be understated, overstated, or correctly stated for Years 1 and 2. Item Year
  30. Statistics

    A specially equipped trauma emergency room at a hospital has been in operation for 40 weeks and has been used a total of 240 times. Assuming the weekly pattern of demand for this facility is Poission, compute the following: 1) The probability that the room
  31. Statistics

    The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random sample of U.S. adults. The following data display the percent of adults aged 18 years and over who had 5 or more drinks in 1
  32. math

    he sales goal for your store this week is $22,682. The sales goal for your store this week last year was $20,128. Your store has averaged 1775 transactions per week for the last four weeks. What is the percent change in your sales goal from this week last
  33. maths

    According to health and safety policy, classrooms should allow for 1.8sqm of floor space per person and an additional 9sqm. A plan indicates that a classroom's floor dimensions should be 12.0m by 4.5m a Based on these figures, clculate the maximum number
  34. English

    Instructions: Chose the best option My answers are with capital letter Trisha HASN'T SEEN or didn't see… her best friend April for almost a year. Trisha ..has call or CALLED .. as often as possible as …SHE TRAVELED or was traveled .., but often she and
  35. English

    Please help me...thanks Instructions: Chose the best option My answers are with capital letter Trisha HASN'T SEEN or didn't see… her best friend April for almost a year. Trisha ..has call or CALLED .. as often as possible as …SHE TRAVELED or was
  36. Maths / Physics (uni level)

    Say I have a centre of rotation at C(x, y, 1 <= z <= 1.5). I need to define a unit normal vector to this. I know it's a length of 1 and this means there's a sphere of radius 1 at the origin so I can get the beginnings of a spherical coordinate
  37. Foreign languages

    I urgenlty need you to check these sentences, please.Thank you. 1) A job seeker should make a short list of the job's requirements and should keep it in his mind during the interview. In this way he can bring in examples to demonstrate that he is the right
  38. Math

    Geoff planted dahlias in his garden. dahlias have bulbs that divide and reproduce underground. in the first year, Geoff's garden produced 8 bulbs. in the second years, it produced 16 bulbs, and in the third year it produced 32 bulbs. if this pattern
  39. Public Speaking(actually check please)

    “To persuade my audience that drinking and driving laws should be stricter” aims for: A. passive agreement with a policy. B. active agreement with a policy. C. personal action to support a policy. D. personal agreement to support a policy.**** “To
  40. Public Speaking(check)

    “To persuade my audience that drinking and driving laws should be stricter” aims for: A. passive agreement with a policy. B. active agreement with a policy. C. personal action to support a policy. D. personal agreement to support a policy.**** “To
  41. economics

    can someone give me an example of an industry that has positive and negative externality affected on the economy Lawyers. Pharmacecutial companies. Fast Food Industries (consider the long term health car costs of eating that stuff) Tobacco Gambling in
  42. math

    a woman puts $580 into a savings account for one year. the rate of interest on the account was 6 1/2%. How much interest for the year in dollars and cents?
  43. Calc

    Find the present value of $14000 due in 9 years at the given rate of interest. (a) 2%/year compounded semiannually? (b) 5%/year compounded semiannually?
  44. Maths

    Rupashi needs to get a perfect score of 100 For her last English test in this year so as to improve her average score of 84 to 86 .how many test were there altogether in this year
  45. Math

    The population of some countries has a relative growth rate of 2.75% per year. At this rate, how many years (to the nearest tenth of a year) will it take the population to double?
  46. Calculus

    for population in billions, where t is years since 1990: N(t) = 41/1+11 e^−0.1 t (b) According to this model, when will the earth's population reach 20.5 billion? During the year . How about 40.9 billion? During the year .
  47. Math

    The population in a town of 40,000 is growing by 12% per year. How long will it take the population to grow to 230,000? Round to the nearest year.
  48. Math

    The population of some countries has a relative growth rate of 2.75% per year. At this rate, how many years (to the nearest tenth of a year) will it take the population to double?
  49. Algebra. NEED HELP ASAP PLEASE

    The fourth month this year, you have $368 saved. At the twelfth month this year, you have saved $504. What is your savings rate?
  50. finite math

    According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare. edited
  51. math

    a bank loaned out 60000, part of it at the rate 14% per year and the rest at a rate of 8% per year. if the interest received was 6780, how much was loaned at 14%?
  52. English please help

    Is this antithesis or just parallelism? " more preschool- age children (about 80 a year) are killed by guns each year than police officers are killed by guns (about 50)"
  53. math

    pam is offered a salary of 28,000 a year for 30 years with annual raises of 6 % what would be pam's salary during her 5th year on the job
  54. Finance

    Can anyone offer help to me by explaining how I can answer this question? The current rate on 5-year T-Notes is 7% and the current rate on 10-year T-Notes is 9%. What should you expect the rate to be on 5-year T-Notes in 5 years? I am not looking for the
  55. Stoichiometry Test

    What is the percentage of oxygen in____? Mg(OH)2
  56. physics

    is the percentage uncertainty in a ruler 0.1cm? yes or no? i think yes..
  57. math

    if a vitamin cost 29.50 and you paid 14.75 what percentage is that
  58. chemistry

    calculate the percentage of FeSO4 in sample Y
  59. statistics

    What percentage of the area would the empirical rule say is between -3.00 and +3.00
  60. math

    Can someone please tell me what is the percentage of 19.24 from 14.00? I would like someone to give the formula of solving this. Thank You!
  61. MATH(percentage)

    64 is 80% of what number? is it this 10 20 100 x x=200
  62. Differential Calculus

    Given that p=(2q^2-5)^2. when q=3, it is increased by 0.7%. find the appropriate percentage in p.
  63. chemistry

    what are the three modes of expression of percentage concentration?
  64. algebra

    What was the percentage increase from 22762 to 38139
  65. Math

    How do I convert numbers into percentages. The all of the percentage is out of 50%.
  66. math

    there are 32 students 12% got an A.How many of them got A's.i need help converting this percentage to a whole number please help
  67. STATISTICS

    WHAT PERCENTAGE OF AFRICAN AMERICAN ARE FEMALE
  68. Chemistry

    How to calculate the percentage of chlorine isotopes
  69. chemistry

    The percentage of nitrogen in magnesium nitride is.?
  70. Biology

    What percentage of animals on earth are vertibrates? 5% 25% 50% 95%
  71. Mathematics

    What is the percentage of the increase from 415 to 450?
  72. Chemistry

    What is the percentage of potassium chloride to oxygen?
  73. math

    k i did it i got it so know what...... wait is this the percentage for ted or tony
  74. math

    k i did it i got it so know what,\....... wait is this the percentage for ted or tony
  75. maths

    Q:complete the following? fraction ; percentage ; decimals 3/5 ? ?
  76. chemistry

    what is the percentage of hydrogen in calcium acetate?
  77. math

    the price of lemonade went from .20 to .25 what is the percentage increase?
  78. math

    By what percentage is 1/40 greater than 1/50? #Please guys help me please this question.#
  79. science

    percentage of water of crystallization in Fe(NO3)2
  80. government

    Is there a chart where I can see what percentage of our tax dollars goes to what?
  81. Algebra

    If I Have 27 Questions And I Have 22 Correct What Did I Get On My Test The Percentage ?
  82. Chem

    percentage of water of crystallisation in Fe(NO3)2
  83. math

    How do you convert 59,943,370 to a percentage?
  84. Chemistry

    What is the percentage of potassium chloride to oxygen?
  85. Physics

    An object of mass 3.5x1023kg circles the earth and is attracted to it with a force whose magnitude is given be GMeM/r^2. If the period of rotation is 22 days, what is the distance from the earth to the object? Here G=6.67x10-11 Nm2/kg2, Me=6x1024 kg.
  86. Language

    the author compares the cookie to a flying saucer most likely to? A. emphasize the large size of the cookie•• B. Indicate the color of the cookie C. Illustrate the cookie rotation through the air D. Add a set effect Plz correct me!!
  87. science

    A uniform AB 2m long Rod which exerts a downwards force of 60N at its centre is placed on a knife egde support position 0.8m from A determine the vertical downward force required at A to prevent rotation of the Rod.
  88. Physics

    The mass of a star is 1.89·1031 kg and it performs one rotation in 28.9 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.93 times its present size. Assume a uniform mass distribution before and after.
  89. Physics please help!!

    The mass of a star is 1.49·1031 kg and it performs one rotation in 26.1 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.59 times its present size. Assume a uniform mass distribution before and after.
  90. math please help me out fam

    As a computer programmer, you have to define the movements of a battleship across a virtual grid. Will you program the transformation from the original position (Figure I) to the final position (Figure II) as a translation, reflection, or rotation?
  91. math,geometry

    Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter?
  92. Physics

    c) A penny sits 12 cm from the center of a record turning at 33 1/3 rpm. What is the tangential speed in m/s? d) A mass spins with a tangential speed of 1.2 m/s on the end of a string which is 0.75m long. What is the period of the rotation in seconds?
  93. charley

    tinyurl--qwxgbv (The qwxgbv is after the slash) The proton moves through a magnetic field of magnitude 3x10^-5 T with a velocity of 4x10^5 m/s. Find the radius of the circular path the proton follows and indicate its direction of rotation.
  94. geometry,math

    Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter?
  95. Physics

    c) A penny sits 12 cm from the center of a record turning at 33 1/3 rpm. What is the tangential speed in m/s? d) A mass spins with a tangential speed of 1.2 m/s on the end of a string which is 0.75m long. What is the period of the rotation in seconds?
  96. Finance

    Wachowicz Corporation issued 15-year, noncallable, 7.5% annual coupon bonds at their par value of $1,000 one year ago. Today, the market interest rate on these bonds is 5.5%. What is the current price of the bonds, given that they now have 14 years to
  97. math

    A 2 year old apartment building was sold for $155000. The owners calculated that the building appreciated $5000 per year while they owned it. Find a linear function that describes the value of the building over time, if x is a number of years since the
  98. statistics

    The height of 18-year-old men are approximately normally distributed, with mean of 68 inches and a standard deviation of 3 inches. What is the probability that an 18-year-old man selected at random is between 67 and 69 inches tall? Round your answer to the
  99. math

    Grossnickle Corporation issued 30-year, noncallable, 8.5% annual coupon bonds at their par value of $1,000 one year ago. Today, the market interest rate on these bonds is 6.5%. What is the current price of the bonds, given that they now have 29 years to
  100. ALGEBRA

    In 1991, the life expectancy of males in a certain company was 68.2 years. In 1997, it was 70.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991. 1) The linear function E(t) that fits the date is