carol

Popular questions and responses by carol
  1. college matematics

    you are dealt one card from a standard 52 card deck find the probability of being dealt a heart

    asked on February 5, 2013
  2. Tech

    What is special about the F and J keys on a standard keyboard? A. They have bumps ** B. They are in the exact center of a keyboard C. They are the keys that your middle fingers rest on. D. They are the keys between the home row. A.

    asked on September 6, 2016
  3. probability

    A golf ball is selected at random from a golf bag. If the bag contains 2 orange balls, 5 red balls, and 18 brown balls, find the probability of the event. That the golf ball will be orange or red.

    asked on June 17, 2014
  4. finite math

    The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s

    asked on June 17, 2014
  5. chemistry

    How do I prepare 10% w/v HCl from 37%(w/w) HCl (density 1.19g/ml)? Thanks.

    asked on June 22, 2009
  6. physics

    Forces of F1=975 N,F2= 745 N, f3= 1175 N and are applied at the same point. The angle between f1 and f2 is 60.0 degree and the angle between f2 and f3 is 30.0 degree. F2 is between f1 and f3 find the resultant force.

    asked on November 24, 2013
  7. physics

    a 2.00 lb rock is dropped from a bridge to the water 50 below. a. what is the velocity as it hits the water? b. how long does it take to hit the water? c. What is its kinetic energy as it hits the H2o?

    asked on November 24, 2013
  8. Economics

    Suppose a manager is interested in implementing third-degree price discrimination. The manager knows that the price elasticity of demand for Group 1 is -2 and the price elasticity of demand for Group 2 is -1.2. Based on this information alone we can

    asked on March 20, 2012
  9. math

    a bag contains 6 blue marbles and 10 red marbles. If you choose one marble at random, and then another marble at random, what is the probability that both marbles are blue?

    asked on July 22, 2016
  10. finite math

    Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.4 what is P(F/E)?

    asked on June 17, 2014
  11. cost accounting

    The East Company manufactures several different products. Unit costs associated with Product ORD203 are as follows: Direct materials $50 Direct manufacturing labor 8 Variable manufacturing overhead 10 Fixed manufacturing overhead 23 Sales commissions (2%

    asked on October 14, 2011
  12. pharmacology

    How many grams of dextrose are in 50ml normal saline solution

    asked on March 9, 2017
  13. Intro to computers

    you are trying to network two laptops together using a Ethernet cable but it isn't working. Which of the following selections might explain why it isn't working? A) using outdated CAT 3 cable B) using straight-through cable C) using a crossover cable D)

    asked on June 17, 2015
  14. Criminal Procedure

    Which of the following are NOT sources of rights? a)Court decisions b)Police department policies c)Federal Constitution d)Statues I think b is the correct answer

    asked on November 3, 2014
  15. finite math

    Among 26-31 year old, 29% say they have written an editorial letter while under the influence of peer pressure. Suppose six 26-31 year old are selected at random. (a) that at least one has not written under the influence of peer pressure. (b) what is the

    asked on June 17, 2014
  16. Math

    Find the center and radius of the circle with equation x2 + y2 - 6x + 10y + 9 = 0. center ( ? , ? ) radius ?

    asked on January 19, 2014
  17. chem

    Which of the following species is isoelectronic, Ba2+ and Ba, Al3+ and Ar, Cl - and Na+ , or Sr2+ and Se2-

    asked on July 12, 2011
  18. Economics

    A monopoly produces widgets at a marginal cost of $8 per unit and zero fixed costs. It faces an inverse demand function given by P = 38 - Q. What are the profits of the monopoly in equilibrium? A. $225 B. $120 C. $345 D. None of the statements associated

    asked on February 13, 2009
  19. Physics

    In a rescue, a 74.1 kg police officer is suspended by two cables, as shown in the figure. Cable A makes an angle θA = 32.0° with respect to the horizontal, and cable B, θB = 74.0°. Sketch a free body diagram. Calculate the tension in cable A.

    asked on October 10, 2015
  20. Introduction to computers

    What is the purpose of using templates in PowerPoint? A) integrates animation and audio automatically B) inserts a consistent look and format to the entire presentation C) inserts the required formulas automatically into the presentation D) imports fonts

    asked on June 14, 2015
  21. Math for Educators

    Use Gauss's approach to find the following sums (do not use formulas). a. 1 + 2 + 3 + 4 +...+ 102 b. 1 + 3 + 5 + 7 +...+1001 a. The sum of the sequence is ? My answer 102-51(103)= 5,253 b. The sum of the sequence is? My answer 500.3(1,002)=501,300.6 Are my

    asked on June 4, 2013
  22. Physics

    An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.91 m/s, and its maximum acceleration is 6.20 m/s2. How much time elapses betwen an instant when the object's speed is

    asked on November 17, 2012
  23. Business English

    Which of the following would be the BEST strategy to follow in the opening paragraph of a letter to clients announcing expanded hours. (a) Explain that the results of a recent survey indicatethat a lot of people are unhappy with the current hours. (b)

    asked on November 4, 2011
  24. childhood education

    what does reseach show about the child;s relationship with the primary parental figure when the child has additional attachments to other people

    asked on May 13, 2011
  25. Principles of Public Speaking

    An advantage of using narratives in your speech is that they: A- Explain abstract concepts B- Calm emotions C- Create excitement D- Clarify technical ideas I chose D. Would that b correct?

    asked on June 5, 2016
  26. computing

    You are advising one of your neighbors about the HomeGroup feature of Microsoft. He wants to make sure that all of his computers support this feature. Which one of the operating systems below does not support HomeGroup? A. Windows 7 B. Windows RT C.

    asked on February 29, 2016
  27. finite math

    According to a certain countries 43.8% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare.

    asked on June 17, 2014
  28. college Mathematics

    I have been trying to figure this out for day's please help if you can. A survey of 59 customers was taken at a book store regarding the type of novels purchased. The survey found 34 customers purchased mysteries, 27 purchased science fiction, 20 purchased

    asked on February 12, 2013
  29. Calculus

    Suppose that the revenue in dollars from the sale of x campers is given by the formula shown below. R(x) = 58,000x + 38,000(10 + x)−1 − 4000 (a) Find the marginal revenue when 10 units are sold.

    asked on February 18, 2012
  30. Introduction to Psychology

    Joaquin has been assigned a primary research project in his psychology class. He is to observe student behavior during a learning task andattempt to for a(an) ________. In order to do this, he must be able to describe principlesand events, and how they may

    asked on November 5, 2011
  31. chemistry

    Suppose that a compound Z had a partition coefficient of 8 in ether-water. If 10g of z was dissolved in 100mL of water, and if the water solution was extracted with two 100 mL portions of ether, answer the following questions a) what is the total amount of

    asked on February 13, 2011
  32. english 30

    "foremother" by lillian bouzane what is the significance of the poems title and how does it help develope the theme

    asked on November 14, 2009
  33. managerial economics

    Suppose the market for good X has a four-firm concentration ratio of 0.50. Furthermore, assume that total sales in the industry are $1.2 million. Based on this information we know that sales for the largest four firms in the industry equals (in aggregate)

    asked on February 6, 2009
  34. Chemistry

    How many moles of Al are needed to form 2.43 mol of Al2Br6?

    asked on April 14, 2020
  35. Trig - 9th grade

    Can you help me solve: 5sin2x + 3sinx - 1 = 0 Thanks

    asked on January 10, 2016
  36. finite math

    Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.25 and P(F)=0.47

    asked on June 17, 2014
  37. college algebra

    perform the indicated computation. write the answer in scientific notation (2x10^)(3.5x10^)

    asked on March 30, 2014
  38. math

    2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked on March 30, 2014
  39. Math

    More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class? How do you know?

    asked on March 5, 2013
  40. math

    100 raffle tickets are sold for 3 dollars each. One prize of 200 is to be rewarded. Raul purchased 1 ticket. what is his expected value and what his his fair prize

    asked on February 12, 2013
  41. physic =)

    A bullet is fired directly upward from a rifle at ground level. Assuming a velocity muzzle of 490 m/s, and neglecting air resistance, find: A.height of the highest point reached. B.time required to reach this point. C.total time before the bullet returns

    asked on January 6, 2013
  42. Economics

    The marginal rate of technical substitution A. Determines the rate at which a producer can substitute between two inputs in order to increase one additional unit of output B. Is the absolute value of the slope of the isoquant C. Is the absolute value of

    asked on February 5, 2009
  43. History

    what was most benefited the United States in its war with Britain

    asked on April 8, 2020
  44. Quantum Physics

    1. Calculate the transition ratio between the 2P-1S and 3P-2S states of the hydrogen. 2. Find the first order correction in the energy for the states n = 3 of the hydrogen atom subject to a constant electric field in the z direction (effect Stark). What

    asked on May 16, 2018
  45. Quantum Physics

    1. Calculate the transition ratio between the 2P-1S and 3P-2S states of the hydrogen. 2. Find the first order correction in the energy for the states n = 3 of the hydrogen atom subject to a constant electric field in the z direction (effect Stark). What

    asked on May 15, 2018
  46. Chemistry

    A gas is collected by water displacement at 25 degrees celsius.(the vapor pressure of water at that temperature is 24mmhg.if the atmospheric pressure is 800mmhg.what is pressure of the dry ice

    asked on December 15, 2016
  47. literacy

    plain language searches do not work in expanded academic asap and may not work in other periodical databases because periodical databases

    asked on June 6, 2015
  48. Biology

    Psychics and astrologers are characterized as:

    asked on January 19, 2015
  49. School

    Psychologists are interested in people's behavior and their mental processes. Psychologists believe that:

    asked on January 19, 2015
  50. finite math

    A golf ball is selected at random from a golf bag. If the bag contains 3 black balls, 8 orange balls, and 4 brown balls, find the probability of the event. That the golf ball will be black or orange.

    asked on June 17, 2014
  51. probability

    10. The probability that a randomly selected individual in a country earns more than 75,000 per is 11.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s

    asked on June 17, 2014
  52. finite math

    The probability that a 3-year old garter snake will reach 4 years old is 0.94461. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years

    asked on June 17, 2014
  53. finite math (probability

    suppose you toss a coin 100 times and get 57 heads and 43 tails. Based on the results what is the probability that the next toss will be head.

    asked on June 17, 2014
  54. algebra

    In a computer game, there are four levels. At the end of each level, a player gets three times as many points as he does in the previous level. At the end of finishing the fourth level, a player gets 5400 points. How many points did the player get at the

    asked on October 21, 2013
  55. college Mathematics

    Can someone please help me with this I am not getting the same answers as the examples in the book. U={1,2,3,4,5,6,7,8} A={1,2,3,4,7,8} B={1,2,4,5} Determine (A'UB')n(AUB)'

    asked on April 8, 2013
  56. Science

    Are the following examples physical changes or chemical changes. Mixing yeast and sugar Dissolving sugar in water Slicing bread Baking bread Melting cheese

    asked on March 25, 2013
  57. math

    how far will a rock fall in 15 sec if it is dropped 150 feet above the river at an initial speed of 24 ft per sec

    asked on December 17, 2012
  58. math

    In a card game using a normal deck of playing cards containing 52 cards, 13 cards are dealt to a player. a) how many different combinations of cards are possible in that players hands? b) how many different hands are possible that consist ofnine spades and

    asked on October 21, 2012
  59. Economics

    If a firm supplies separable markets with price elasticities h1 = -3 and h2 = -2, it should set prices P1 and P2 so that: a.2/3P1 = 1/2P2 b.3P1 = 2P2 c.2P1 = 3P2 d.P1 = P2 e.2P1 = 2/3P2

    asked on March 20, 2012
  60. Chemistry

    How much heat energy is required to raise the temperature of 4.50 liters of water from 36 degrees celcius to 44.6 degrees celcius?

    asked on January 15, 2012
  61. Pre-Algebra

    Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs.

    asked on November 13, 2011
  62. Pre-Algebra

    Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs.

    asked on November 13, 2011
  63. Introduction to Psychology

    Ms. Sue, I meant to say hypothesis for the question that starts with Joaquin has been assigned a primary research

    asked on November 5, 2011
  64. Psychology

    Kevin hates his job, his girl friend dropped him, and he had a headache this morning from staying up too late eating hamburgers and drinking beer by himself. He has decided to initiate a new attack today and take control of his life.He will fin a new job,

    asked on October 29, 2011
  65. Algebra

    translate to an algabric expression; one more than foru times a number

    asked on August 1, 2011
  66. College Stats

    Is .09 less than .05?

    asked on May 8, 2011
  67. math

    Given the quadratic function f(x) = x2 – 18x + 81, find a value of x such that f(x) = 16.

    asked on May 2, 2011
  68. calculus

    verify the following identity cos(x+y) + cos(x-y)=2cosxcosy

    asked on April 22, 2011
  69. physics

    a guy walks one lap at 35 miles per hour, what is his velocity?

    asked on January 1, 2010
  70. english grade 12

    what are 2 examples of emjambment in the poem "vancouver-courtney-calgary" by george bowering

    asked on November 14, 2009
  71. math

    what multiplication fact can you double to find 4X7?

    asked on February 25, 2009
  72. Business Law

    Dan, a driver for EZ Delivery Company, leaves a truck's motor running in neutral and carelessly forgets to set the parking brake while he makes a delivery. The truck rolls and crashes into a nearby gas station pump, igniting a fire that spreads quickly to

    asked on February 10, 2009
  73. AED

    What are the implications of "NCLB" on teachers, students in the classroom, and on schools and school districts?

    asked on August 16, 2008
  74. Biology

    In females the first meiotic cell division produces______cells. One of the cell is _____ than the other and is called the ______. The Polar body stays attached to the _______. The larger cell is called the _______amd ot ,atires omtp tje _______. The second

    asked on January 23, 2008
  75. math

    a plane is steering at S83degE at an air speed of 550 km/h. The wind is from N70degE at 85 km/h. Find the ground velocity of the plane to 1 d.p.

    asked on June 10, 2018
  76. Science

    We think of our muscular system as the system that helps us move around. It also functions on an internal level by helping food movement in the ___________ and ____________, both parts of the digestive system. A) stomach; liver B) stomach; pancreas C)

    asked on March 28, 2018
  77. Ap Biology

    In the case of water, solid water is less dense then liquid water. What is happening at the molecular level? a. Molecules move faster in ice than water. b. Hydrogen bonds break more easily in ice. c. Hydrogen bonds break more easily in water. d. Molecules

    asked on May 23, 2017
  78. phy

    a rubber ball is thrown against a horizontal wall and bounces back with the same speed it came in at. The change in momentum vector of the ball is A) 10 m/s^2 B) in the same directions the ball's initial motion C) in the opposite direction as the ball's

    asked on November 4, 2016
  79. Please help math

    suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height? please help and show work so i understand how to do it

    asked on October 18, 2016
  80. math help

    suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height? Please help and show work

    asked on October 18, 2016
  81. Math

    factor completely 1- x/x-5 + 7x/x^2-3x-10 Please and Thank you

    asked on October 18, 2016
  82. Algebra

    The three and one-half mile long Union Pacific train is about 2 1 2 times the length of a typical freight train. How long is a typical freight train? x - length of typical train 3.5 mi = 2.5x 3.5/2.5=x x=1.4 mi

    asked on August 29, 2016
  83. algebra

    How many cases would there be for an absolute value with 3 sets of absolute value symbols?

    asked on October 1, 2015
  84. lrgsl iddurd for working health care practitioners

    oren says that testimony is statements given by an expert. Ron says that testimony is statements given under oath. Who is correct

    asked on June 11, 2015
  85. leadership

    Scenario: you have a patient that has a diverticular perforation and acute abdomen. At this point, her physician decides to send her to the OR. The unit clerk is aware of the plan, but the patient's nurse is not. The patient is transported to the OR.

    asked on May 19, 2015
  86. Algebra

    Jill, Meg, and Beth are sisters. Jill is 2 years younger than Meg. Beth is half as old as Meg. Use the same variable to write three algebraic expressions based on this situation. Tell what the variable represents and what each expression represents.

    asked on April 20, 2015
  87. math

    At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?

    asked on December 3, 2014
  88. intro to chem

    Calculate the amount of heat required to heat a 3.0kg gold bar from 23 degrees Celsius to 60 degrees Celsius

    asked on June 21, 2014
  89. finite math

    The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years

    asked on June 18, 2014
  90. finite math

    A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {6,7,}, and event G={9,10,11,12}. Assume that each outcome is equally likely. List the outcomes of F and G?. find P(F or G) by

    asked on June 17, 2014
  91. probability

    Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.41 and P(F)=0.47

    asked on June 17, 2014
  92. math

    2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked on March 30, 2014
  93. math

    In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked on March 30, 2014
  94. math

    In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked on March 30, 2014
  95. finance

    he bonds issued by Stainless Tubs bear a 6 percent coupon, payable semiannually. The bonds mature in 11 years and have a $1,000 face value. Currently, the bonds sell for $989. What is the yield to maturity?

    asked on March 5, 2014
  96. Chemistry

    Consider the reaction 2D2(g)+O2(g)→2D2O(l) What is the mass of heavy water, D2O(l), produced when 3.75g of O2(g) reacts with excess D2(g)?

    asked on October 11, 2013
  97. math

    Of 47 plays attributed to a playwright 17 are comedies, 18 are tragedies, 12 are histories. If one play is selected random find the odds against selecting a tragedy.

    asked on February 12, 2013
  98. math

    The Kramer family room measures 23ft by 20ft. They are covering the floor with tiles that measure 1 ft on a side and cost $0.73 each? How much will they spend on the tile?

    asked on February 12, 2013
  99. Advance Accounting

    On January 1, 20X1, Parent Company acquired 80% of the common stock of Subsidiary Company for $560,000 On this. date Subsidiary had total owners' equity of $540,000, including retained earnings of $240,000. During 20X1, Subsidiary had net income of $60,000

    asked on November 30, 2012
  100. chemistry

    While you are at rest, your brain gets about 15% by volume of your blood. If your body contains 5.2 L of blood, how many liters of blood are in your brain at rest? and how many quarts?

    asked on November 29, 2012

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