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. 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
  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. chemistry

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

    asked on June 22, 2009
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  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. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. pharmacology

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

    asked on March 9, 2017
  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. 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
  22. 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
  23. statistics

    at a certain college, there were 700 science majors,100 engineering majors and 500 business majors. if one student was selected at random, the probability that they are an engineering major is?

    asked on September 27, 2011
  24. 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
  25. 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
  26. 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
  27. 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
  28. college algebra

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

    asked on March 30, 2014
  29. 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
  30. College Stats

    Is .09 less than .05?

    asked on May 8, 2011
  31. 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
  32. 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
  33. finite math

    Using the formula for PV (present value) of an oridinary annuity or the amortization formula to solve this problem. PV=13000 I=.03% PMT=500 n=? I have done it over and over and can't it correct

    asked on June 20, 2014
  34. 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
  35. 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
  36. 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
  37. Math

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

    asked on January 19, 2014
  38. 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
  39. 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
  40. 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
  41. math

    Completely factor the expression 20x2 – 45y2

    asked on May 1, 2011
  42. SOCIOLOGY

    What are some of the pros and cons of affirmative action?

    asked on September 28, 2009
  43. math

    what multiplication fact can you double to find 4X7?

    asked on February 25, 2009
  44. Chemistry

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

    asked on April 14, 2020
  45. pcycology

    Deindividuation is related to mobs in the same way that _______ is related to groups. A. social prejudice B. persuasion C. attitude D. diffusion of responsibility

    asked on October 25, 2016
  46. 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
  47. 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
  48. 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
  49. Math for Educators

    Find the sum of the sequence. 38+39+40+41+...+137 The sum is? My answer 175(99)= 17,325 Is this correct? If not how do I get the correct answer?

    asked on June 4, 2013
  50. 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
  51. college mathematics

    Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person

    asked on February 4, 2013
  52. math

    Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person

    asked on February 2, 2013
  53. math

    Of the 15 teams in the National Hockey League Eastern Conference, three of them are based in canadian cities. Each year, eight of these teams qualify for the playoffs. Assuming that all the 15 teams have an equal chance of getting into the playoffs, what

    asked on November 7, 2012
  54. 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
  55. math

    A jar contains six red marbles, four green marbles and five yellow ones. a) determine the number of ways in which any thee marbles can be selected? b) Determine the number of ways to select four marbles where two are red and two are yellow? c) Determine

    asked on October 21, 2012
  56. college algebra

    suppose the revenue in dollars from selling x cell phones is R(x)= -1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^3-2x^2 +65x+500. find the profit function P(x)=R(x)-C(x). find the profit if x=15 hundred cell phones sold

    asked on February 27, 2012
  57. college algebra

    A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is

    asked on February 27, 2012
  58. 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
  59. 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
  60. PSYCHOLOGY

    He is never going to change. He is set in his ways," the cliet complained. "Let's think about it. Does this hurt you or him?" the therapist is applying: I put the answer as (a) a cognitive treatment approach. Is this correct?

    asked on October 30, 2011
  61. 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
  62. calculus

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

    asked on April 22, 2011
  63. history

    How did the Vietnam War, and the domestic opposition to it, come to dominate American politics in the 1960s?

    asked on February 21, 2011
  64. history

    the island that became Rome northwestern frontier?

    asked on February 17, 2011
  65. physics

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

    asked on January 1, 2010
  66. 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
  67. 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
  68. jewerly marking

    925 is sterling what is825?

    asked on December 30, 2008
  69. ap bio

    10 . Which one of the following statements is NOT true about the resting potential? A. The neuron's plasma membrane is much more permeable to potassium than to sodium. B. The concentration of sodium is much higher inside the cell than outside. C. The

    asked on November 13, 2008
  70. ap bio

    16 .Action potentials are generated along a neuron because __________. A.of cytoplasmic streaming within the neuron B.depolarization of the membrane at one point causes an increase of permeability to sodium at the next point C.they are pulled along by

    asked on November 6, 2008
  71. ap biology

    * how do (1) temperature and (2) pH affect the activity of this enzyme? include a discussion of the relationship between the structure and the !@#$%^&tion of this enzyme as well as a discussion of how structure and !@#$%^&ntion of an enzyme are affected by

    asked on November 4, 2008
  72. AED

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

    asked on August 16, 2008
  73. History

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

    asked on April 8, 2020
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. Trig - 9th grade

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

    asked on January 10, 2016
  80. algebra

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

    asked on October 1, 2015
  81. 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
  82. psychology

    which of the following has been demonstrated by research as a skill or ability that is induced via meditation? A) ability to raise metabolism B) ability to cure bacterial infections withou medication C) ability to lower body temperature D) ability to

    asked on March 14, 2015
  83. Personal finance

    A 10 year bond has a coupon rate of 7% annually and a principal payment of $1000.00. Other similar bonds are paying 9% annually. To determine the value of this bond you must find the interest factors, IF at: A) 9% for 10 periods b) 9% for 20 periods c)

    asked on December 28, 2014
  84. 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
  85. algebra

    8+3x6-4-1=13 where do I put parentheses

    asked on September 4, 2014
  86. finhite mat

    using continuous compound interest formula find the indicated value A= 15625 P= 10900 T= 60months R= ?

    asked on June 23, 2014
  87. 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
  88. 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
  89. 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
  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

    find the median for the given frequency score, x = 1,2,3,4,5,6,7,8,9,10 frequency, f = 1,1,3,3,5,7,5,5,7,1

    asked on April 2, 2014
  93. 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
  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. 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
  96. finance

    the corner grocer has a 7-year, 6 percent annual coupon bond outstanding with a $1,000 par value. the bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The

    asked on March 5, 2014
  97. finance

    the corner grocer has a 7-year, 6 percent annual coupon bond outstanding with a $1,000 par value. the bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The

    asked on March 5, 2014
  98. 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
  99. 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
  100. Math for Educators

    The first difference of a sequence is 8, 12, 16, 20,... The sum of the first two terms of the original sequence is 14. Find the first three terms of the original sequence. The first term of the original sequence is? 4 What is the second term of the

    asked on June 4, 2013

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