1. Math

    when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F? What is the false positive rate? **Note: the definition of fever is that the patients temperature exceeds 100 F**
  2. Computer Science

    when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F? What is the false positive rate? **Note: the definition of fever is that the patients temperature exceeds 100 F**
  3. physics

    A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of the water before the...
  4. thermodynamics

    A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of the water before the...
  5. Physics

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you!
  6. Physics Please someone help please

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? -.135(4186)(Tf-38.7)=.034(840)(Tf-21.6) =-565.11Tf+21869.752=28....
  7. physics

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...
  8. physics

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...
  9. health

    Which of the following is true about HIV testing? A. Testing isn't normally necessary as HIV symptoms manifest early and are distinctive. B. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. C. Some HIV tests can provide ...
  10. Physics

    The ice point of a faulty mercury in glass thermometer isX degree celcius while its steam point is 85 degree celcius. If the thermometer reads 50 degree celcius when the true temperature is 40 degree celcius, calculate the value of X
  11. allied health

    Which of the following is true about HIV testing? a. testing isn't normally necessary as HIV symptoms manifest early and are distinctive. b. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. c. Some HIV tests can provide ...
  12. Engineering Math

    I don't know where to start on this one. A thermometer is taken from an inside room to the outside, where the air temperature is ten degrees Fahrenheit. After one minute the thermometer reads 40 degrees Fahrenheit, and after two minutes it reads twenty-five degrees Fahrenheit...
  13. physics,

    A 40degree Celsius thermometer reads 0.7degree Celsius at it boiling point of water. Evaluate the correct thermometerwhen it reads at 30degree Celsius
  14. Statistics

    7. A random sample of n1 = 16 communities in western Kansas gave the following rates of hay fever per 1000 population for people under 25 years of age. 121 115 124 99 134 121 110 116 113 96 116 116 135 96 96 116 A random sample of n2 = 14 communities in western Kansas gave the...
  15. algebra

    A thermometer is guaranteed to give a temperature no more than 1.2 degrees Fahrenheit from the natural temperature. If the thermometer reads 28 degrees Fahrenheit, write and solve an eqution to find the maximum and minimum temperatures it could be.
  16. physics

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...
  17. algebra - help please

    A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes? So I guess I need to put into newton's law of cooling: u(t) = T + (u sub ...
  18. Math - more help please

    A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes? So I guess I need to put into newton's law of cooling: u(t) = T + (u sub ...
  19. math

    A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes?
  20. physics

    You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 32.1 Celsius. The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 69.6 Fahrenheit, what is its ...
  21. Math

    Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual temperature. If the thermometer ...
  22. Math

    Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual temperature. If the thermometer ...
  23. Algebra

    A positive integer minus a positive integer is always positive. This statement is sometimes true. For example, 17 – 5 = 12, but 15 – 20 = –5. post five other statements about the addition and subtraction of positive and negative integers, and ask whether each is always ...
  24. life/health science

    What bird is like a drink of water? Giardiasis is a type of diarrhea that's also called a) beagle fever b) beaver fever c) Bieber fever * I think the last ? is a??????
  25. statistics

    Many companies today have a mandatory drug testing policy for their employees. To minimize the cost of testing, sample from 6 people are combined. If the mixture tests negative then all 6 individual employees are also negative. Find the probabilty of a positive result for 6 ...
  26. language Arts

    Which of the following sentences uses perfect these? A. Storm Fever is playing at several different movie theaters? B Storm fever will have stopped playing by next month C Storm Fever has been playing locally for three months D Storm Fever is probably going ti play longer at ...
  27. chem

    If a thermometer is calibrated to the nearset degree, what part of a degree can you estimate the temperature it measures? Doesn't it depend upon the spacing of the degree marks. Spaced like this || or like this |     | would make a difference, wouldn't it? ...
  28. Statistics

    The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true positive. Can someone ...
  29. chemistry 111

    in calibrating your thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of the thermometer fluid?
  30. statistics

    Assume that human body temperature are normally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital uses 100.6 as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever. Does...
  31. mathematics

    A patient gets tested for a disease. The test is 90% reliable (that is P(testing positive│have disease)=.9 . 2% of the population has this disease. The test gives a false positive 5% of the time (that is P(testing positive│NOT diseased)=.05). What is the ...
  32. engineering

    A thermometer is used to measure the temperature of a gas flow through a pipe. The gas temperature is read at 500°C and the duct temperature is measured to be 350°C. The thermometer is cylindrical with a diameter of 1 mm and an intrusion length of 1 cm. It can be assumed ...
  33. math

    james reads at a rate of 4 pages every 6 minutes. how long will it take him to read 32 pages if he reads at the same rate?
  34. PHYSICS

    Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. However, if a significant amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 31.2...
  35. physics

    Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. However, if a significant amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 31.8...
  36. Health/ Basic Clinical Procedures

    pelase check my answer thanks true or false Continuous is a type of fever which the temp fluctuates but always remains elevated I said True
  37. Algebra II

    In an induction proof of the statement 4+7+10+...+(3n-1)=n(3n+5)/2 the first step is to show that the statement is true for some integers n. Note:3(1)+1=1[3(1)+5]/2 is true. Select the steps required to complete the proof. A)Show that the statement is true for any real number ...
  38. Science - heat

    1-By opening the door of a refrigerator ehich is inside a room, the temperature of the room : A) decreases B) increases C) remains unchanged D) first decreases and then increases******(my ans) 2- The thermometer used to measure very low temperature is - A). Mercury thermometer...
  39. math

    how do u get the answer? A nurse has to record her temperatures in Celsius but her thermometer reads Fahrenheit. A patient's temperature is 100.7° F. What is the temperature in °C
  40. phy113

    An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is. 20oC?
  41. phy

    an ungraduated mercury thermometer attached to a millimeter scale reads 22.8mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is 20
  42. math 115

    1. divide26/634=24r10 is this correct? 2. subtract. 104.567-78.658= 25.909 is this correct? 3.identify the rate, base and amount in the following statement. 30% of 350 =105 350x.3=105 rate=30% base=350 amount=105. is this correct? 4. what is 60% of 250? =150. is this correct? ...
  43. CHEMISTRY

    Here is what my lab was about: Properties of alcohols: First, I wrapped the bulb of a thermometer with a tissue secured with a wire. Then I squeeze enough methanol onto the tissue to completely saturate. At the same time, another person starts the stopwatch, reads the ...
  44. Science

    A child has a fever. The temperature of his body is recorded as 103 degree farenheit by a thermometer . A doctor advised his mother to give medicine to lower the temperature. As we know evaporation causes cooling. The medicine given to child enhanced the evapouration. ...
  45. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present a good story. This ...
  46. Statistics

    *Give all probabilities to two decimal places. Three daily newspapers are published in a large city. Suppose we have the following facts about the people in the city: 60% read Newspaper A. 34% read Newspaper C. 72% read Newspaper A or Newspaper B. 18% read Newspaper A and B. ...
  47. Math- probability

    Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.
  48. math/prob stat

    Testing for Alzheimer's disease can be a long and expensive process. Recently, a group of researchers devised a 7min test to serve as a quick screen for the disease. A patient who tested positive would then go through the more expensive battery of tests and medical diagnosis. ...
  49. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present a good story. This ...
  50. Physics

    A mercury in glass thermometer reads 4cm at ice point and 29cm at steam point. Calculate the temperature when the mercury level is at 9cm
  51. Science "HELP"!

    Passage:The particles of matter are in constant motion. The energy of motion is called kinetic energy, so the particles of matter have kinetic energy. As matter becomes warmer, its particles move faster. As a result, their kinetic energy increases. Temperature is related to ...
  52. Chem Help!!!!

    What Celsius temperature will the Fahrenheit thermometer be 4-times more than on the Celsius thermometer? At what Celsius temperature will the numerical reading on the Fahrenheit thermometer be 1/9 that on the Celsius thermometer?
  53. Math

    Determine whether the statement is true, false, or sometimes true. Explain or show why. If x is positive and y = -x, then xy is negative. Is this always true or sometimes true?
  54. English

    1. There is a thermometer in the instrument screen. 2. There is a thermometer in the instrument shelter. 3. There is a thermometer in the shelter. ------------------------- Which expression is gramamtical?
  55. algebra

    True or false if the statement is not true give a counterexample. 1.If a>b,and c is positive, then ac>bc? 2.if a^2=b^2,then a=b? 3. If a>b,and c is positive,then a/c>b/c?
  56. Math

    My worksheet title reads "Modeling 3-Digit Addition Practice" and then it has the problem 186+245 and then it has a table with four colummns and 3 rows the first column title reads "Base-Ten Drawings" the second one reads "Record the Problem" and the third one reads "Write ...
  57. physics

    Is it easier to exchange heat between a thermometer and air or between a thermometer and water.
  58. Science

    if you had a real thermometer that was accurate how could you modify your experimental thermometer to read actual temperatures
  59. Science

    2.)you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures?
  60. science

    If you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures?
  61. physics

    When an immersion glass thermometer is used to measure the temperature of a liquid, the temperature reading will be affected by an error due to heat transfer between the liquid and the thermometer. Suppose you want to measure the temperature of 7 mL of water in a Pyrex glass ...
  62. Math

    Find the value of x. The area of a rectangle = 105 The length is 2x+1 Width is x __________________________________ I tried solving it : Arec = l x w 105 = (2x+1)x 105 = 2x^2 + x 0= 2x^2 + x - 105 This is where I get stuck on...
  63. statistics

    If a teacher wants to test her belief that more than 5 students in college classes typically receive A as a grade, she'll perform? a. two tailed testing of a mean b. two tail testing of a proportion c. one tail testing of a proportion d. one tail testing of a mean I choose b.....
  64. Chemistry

    I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...
  65. Chemistry

    I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...
  66. Physics

    Pick a type of thermometer. How does it work? Suppose you used water in a thermometer instead of mercury, why might this be a problem at 4 degrees Fahrenheit?
  67. math

    1)Find the third iterate x3 of f(x)=x2-4 for an initial value of x0=2 A)-4 B)4 C)12 D)-12 I chose C 2)Use Pascal's triangle to expand:(w-x)5 This ones long so I chose w5-5w4x+10w3x3-10w2x4+5wx4-x5 3)Use the binomial Theorem to find the third term in the expression of:(n-2p)6 A...
  68. Chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?
  69. chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?
  70. chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?
  71. Maths

    The vector v has magnitude 17 and makes an angle of 105 with the positive x direction. Express v in terms of components, with i and j being unit vectors pointing in the positive x and y directions.
  72. chemistry

    consider the reaction 2HgCl2 + C2O4-2 ---> 2Cl2-1 + 2CO2 + Hg2Cl2 The initial rate of this reaction was determined for several concentrations of HgCl2 and C2O4-2 and the following rate data was obtained. TRIAL (1) [HgCl2](M)= .105 [C2O4-2](M)= .15 RATE= 1.8 x 10^-5 TRIAL (2...
  73. physics

    Water is in the big beaker in the figure on the left. Scale 1 reads 87 Newtons, scale 2 reads 544 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 15 x 10^3 kg/m^3. What does scale 1 read after the block is fully lowered into the beaker of water? Scale ...
  74. language arts

    Which verb mood is used in the following sentence from the selection? So if you have any sense at all, avoid Storm Fever. (storm fever is a movie) A. indicative B. subjunctive C. conditional D. imperative is it c?
  75. Physics QUIZ

    Rising air cools as a result of a decrease in barometric pressure with altitude. (Lapse Rate) True/False? When an inflatable life jacket is inflated with a compressed air cylinder the air inside the now inflated life jacket is much colder than it was prior to inflation when it...
  76. statistics

    H0 is p = 0.45 and H1 is p ≠ 0.45. What type of test will be performed? A. Two-tail testing of a proportion B. One-tail testing of a proportion C. One-tail testing of a mean D. Two-tail testing of a mean ** I'm stuck between A & D. I chose those because two-tailed ...
  77. physics

    A faulty Celsius thermometer read 0.7degrees Celsius at melting point of pure ice and 99.5degrees Celsius at boiling point of water at normal pressure. What is the correct temperature when it reads 30 degrees Celsius
  78. Circuits, Kirchoff

    A circuit can be used to measure the resistance of a platinum resistance thermometer (PRT). AB is a uniform resistance wire of length 1.0mandCisa sliding contact on this wire. A standard resistor R is included in the circuit. The position of C is adjusted until the voltmeter V...
  79. Chemistry

    Why did we have to use the same thermometer for finding, the freezing point of both, solvent and solution? If your thermometer was not calibrated (reading 0.05 degrees Celsius below the correct temperature), how would this effect your measured value of delta Tf? Explain.
  80. chemistry.

    1.A student is asked to measure the time taken for 4.00g of magnesium carbonate to react completely with 25.0 cm3 of dilute hydrochloric acid. Which pieces of apparatus does the student need? A: Balance, clock, pipette B: Balance, clock, thermometer C: Balance, pipette, ...
  81. Calculus

    The cost (in dollars) of producing x units of a certain commodity is c(x)=5000+10x+0.05x^2 Find A=100 to x=105 so far i got y-y/x-x= C(105)-C(100)/105-105 i don't understand how it comes out to be 101.25/5 please help me
  82. English!!!

    Identify the main idea of this paragraph: This ship is carrying kala fever serum to Group One on Woden. Their own supply was destroyed by a tornado. Group Two-the crew your brother is in-is eight thousand miles away across the Western Sea and their helicopters can't cross it ...
  83. statistics

    Assume that thermometer readings are normally distributed with a mean of 0.0 and a standard deviation of 1,00. the thermometer is randomly selected and tested. For the case below, draw a sketch , and find the probability of the reading The given values in Celsius degrees) ...
  84. Chemistry

    I did a lab and got a bunch of questions about the lab. Here is what my lab was about: Properties of alcohols: First, I wrapped the bulb of a thermometer with a tissue secured with a wire. Then I squeeze enough methanol onto the tissue to completely saturate. At the same time...
  85. math

    each day, Jason walks to his office at a constant rate. one third of the way he passes a bank and three-fourths of the way to work he passes a store. at the bank his watch reads 6:52 am and at the store it reads 7:02 am. at what time was jason halfway to his offic?
  86. Physics

    A Fahrenheit thermometer registers 107° while a faulty celsius thermometer registers 42°.find the error in the later
  87. earth science

    Help please anyone? If the wet-bulb thermometer and the dry-bulb thermometer readthe same temperature, the air is said to be??? Anyone know?
  88. Economics

    What is the primary difference between normative and positive economics? A. Positive economics makes value judgments inappropriate to scientific research. B. Normative economics is more firmly rooted in scientific tradition. C. Governments use normative economics, and ...
  89. physics

    It is possible to cut the top off a alcohol-in-glass thermometer without any of the alcohol spilling out. However, it will no longer function as a good thermometer. Why not. I am thinking it is a lost pressures issue.
  90. PHYSICS

    A certain resistance thermometer at triple point of water is 152.0 ohms. What is the temperature of the system in degrees celsius when the resistance of the thermometer is 230.51ohms.
  91. algebra - more help please

    A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes? So I guess I need to put into newton's law of cooling: u(t) = T + (u sub ...
  92. statistics

    Use the following scenario to answer the next 5 questions. Millions of Americans are subjected to drug testing in the workplace. The tests are not always reliable. A false positive rate of 5% is considered to be a conservative estimate. Suppose that there are 20 employees in ...
  93. math

    A certain disease has an incidence rate of 0.8%. If the false negative rate is 7% and the false positive rate is 3%, compute the probability that a person who tests positive actually has the disease. Show all work.
  94. HR

    Employers should ensure that their drug-testing programs conform to three of the following guidelines. Which is not a guideline to which employers should ensure their drug-testing programs conform? A. The employer should use drug testing for jobs that involve safety hazards. B...
  95. chemistry

    At what Celsius temperature will the numerical reading on the Fahrenheit thermometer be 44 degress less than that on the Celsius thermometer?
  96. Math Antics

    A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
  97. Macroeconomics

    What is the primary difference between normative and positive economics? A. Positive economics makes value judgments inappropriate to scientific research. B. Normative economics is more firmly rooted in scientific tradition. C. Governments use normative economics, and ...
  98. STATISTICS

    A certain disease has an incidence rate of 0.6%. If the false negative rate is 4% and the false positive rate is 4%, compute the probability that a person who tests positive actually has the disease
  99. MATH

    A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
  100. stats

    A certain disease has an incidence rate of 0.7%. If the false negative rate is 7% and the false positive rate is 1%, compute the probability that a person who tests positive actually has the disease.
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