when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F?
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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** 
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** 
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... 
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... 
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! 
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 ... 
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)(Tf38.7)=.034(840)(Tf21.6) =565.11Tf+21869.752=28.... 
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... 
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... 
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 
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 
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 followup tests, due to the high accuracy of the testing. C. Some HIV tests can provide ... 
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 followup tests, due to the high accuracy of the testing. c. Some HIV tests can provide ... 
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 twentyfive degrees Fahrenheit... 
Math
a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true, OR never true) a rectangle. b.)The diagonals of a square (always true, sometimes true, OR never true) bisect each other. c.)If WXYZ is a rectangle, then the diagonals are (always true, sometimes true, OR... 
physics,
A 40degree Celsius thermometer reads 0.7degree Celsius at it boiling point of water. Evaluate the correct thermometerwhen it reads at 30degree Celsius 
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. 
math
Which statement is true? A.The sum of two positive integers is sometimes positive, sometimes negative. B.The sum of two negative integers is always negative. C.The sum of a positive integer and a negative integer is always positive. D.The sum of a positive integer and a ... 
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? 
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? 
MATH PLZ
Which is true when a negative nuber is subtracted from a positve number? A.the difference is always 0 B.the difference is always positive C.the difference is always negative D.the difference could be negative or positive *i need examples to 
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... 
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 ... 
7th grade math
Which of these statements is true when you add a positive, nonzero integer and a negative, nonzero integer? A)The answer may be positive or negative. B)The answer is always negative. C)The answer is always zero. D)The answer is always positive. 
algebra 1
4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x <.15 b) .141 < x < .142 c) .1413 < x < .1414 d) .1414 < x <.1415 B? 6. Choose an inequality to match this description: The height E of... 
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... 
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 ... 
Math
Gerald reads 120 pages of a book in 4 days. If he always reads 6 more pages than the previous day,find the number of pages he reads on the first day. 
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?????? 
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 ... 
Statistics
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geometry
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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 ... 
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 ... 
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 ... 
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? 
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 ... 
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? 
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 ... 
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 ... 
physics
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero 
college physics
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero 
Physics Please check my answers
It's possible for a body to have both rotational and translational motion at the same time. True. << False. 2. The moment of inertia of an object would be different on the surface of the earth than on the surface of the moon. True. << False. 3. The moment of ... 
math
Determine whether the statement is always true, sometimes true, or never true. 3) The length of the hypotenuse of a right triangle equals the length of one of the legs of the triangle. Answer choice: a.) always true b.) sometimes true c.)never true 
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 ... 
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? ... 
Math
Decide whether the given statement is always, sometimes, or never true. The domain of a rational expression and any simplified form are equivalent. a. sometimes true b. never true c. always true 
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 ... 
algebra
Could someone please help me with this? (1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer. 
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... 
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... 
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... 
Physics true false
true false The speed of a particle is always positive. True False The average speed of a particle is equal to the magnitude of its average velocity. True False The acceleration of a particle can be nonzero when its speed is constant. True False When the average velocity of a ... 
algebra
) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer. 
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... 
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... 
PreCalculus
Graphing Polynomials Decide whether each of the following is sometimes true, always true, or never true and explain reasoning. A. A cubic function has 2 different xintercepts ^Never true, has to have 3? B. A cubic function has 3 xintercepts ^ Always true C. A quartic ... 
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 
Science  heat
1By 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... 
Physics
Pease evaluate the statements by choosing from these three statements Always true: the statement is true under any circumstances Not necessarily true: the statement may be true in some circumstances, but not in others Always false: under no circumstances is this true 1. If you... 
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 
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? 
algebra
Are the following true or false? 1. The difference of two natural numbers is always a natural number. 2. The sum of two natural numbers is always a natural number. 3. The quotient of two natural numbers is always a natural number. 4. The difference of two natural numbers is ... 
math 115
1. divide26/634=24r10 is this correct? 2. subtract. 104.56778.658= 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? ... 
math
Test these conjectures. Give three examples. Explain if the conjecture is correct or incorrect. 1. If a number is divisible by 4, it is always an even number._________________________________ 2. All multiples of 5 have a 5 in the ones place.__________________________________ 3... 
Algebra II
In an induction proof of the statement 4+7+10+...+(3n1)=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 ... 
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 ... 
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. ... 
Writing
Help me please! My daughter is failing in the 4th grade with her writing. How can I help her improve her writing skills? She doesn't grasp what she reads fully because her writing doesn't match with what she reads. asahe leaves out crucial information and her spelling and ... 
Chem Help!!!!
What Celsius temperature will the Fahrenheit thermometer be 4times 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? 
math
When is this true X^3>3 •always •never •always true when x>1 •always true when x<0 
Chemistry
Spontaneous reactions ________. always release free energy*** always result in increase disorder of the system always take place at a rapid rate are always exothermic 
Geometry
Is it always true, sometimes true, or never true that the circumcenter is outside its associated triangle? Is it sometime true? 
Algebra 1
Which statement is always a correct conclusion about the values x and y in the function y=x3? a. The value of x is always 3 less than the value of y b. The value of y is always less than the value of x c. When the value of x is positive, the value of y is also positive d. As ... 
algebra
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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 
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 ... 
Math
Tell whether the sum between the two integers is always, sometimes, or never positive. Two Positive Integers: Sometimes One Positive and one negative integer: Always Is it right? 
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. 
Calculus Help
Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C. always negative b) Which ... 
Math
If x is a nonzero real number,is x2 always positive,always negative,or positive or negative depending on whether x is possible or negative explain 
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 Twothe crew your brother is inis eight thousand miles away across the Western Sea and their helicopters can't cross it ... 
math
the following statement always true, always false, or true in some cases and false in others? Explain your answer. A quadrilateral whose diagonals are congruent and perpendicular is a square. 
Chemistry (Check)
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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? 
Math
When you multiply a positive number by a negative one, what is the sign of the answer? a. always negative b. always positive c. always the same sign as the larger of the two numbers d. always the same sign as the first of the two numbers I believe the answer is B 
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? 
Science
2.)you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures? 
Science
if you had a real thermometer that was accurate how could you modify your experimental thermometer to read actual temperatures 
science
If you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures? 
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. ... 
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... 
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 ... 
basic math
Is it always true, sometimes true, or never true that a regular quadrilateral has two or more obtuse exterior angles? Is it Sometimes true 
Algebra 2
Classify the following statement as sometimes, always, or never true. 1. a  (b  c) = a  b + c A: The statement is always true? 
Chemistry
1. A combination reaction may also be a displacement reaction. True or False 2. The combustion of an element is always a combination reaction. True or False For number 1, I first thought true, but then again, nothing is being displaced in a combination reaction, right? You are... 
Mth 209
Which of the following conclusions is true about the statement below? X^2√x Multiple Choice: The statement is never true. The statement is true when x is negative. The statement is true when x=0. The statement is always true. 
geometry
Is it always true, sometimes true, or never true that two complementary angles have a common vertex? 
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? 
Math
Decide whether each statement is always true, sometimes true, or never true.