Popular questions and responses by Cheryl
  1. MAth

    The sale price of a spring break vacation package was $179.99 and he travel agent said by booking early you saved $20. What is the percent reduction in price? 179.99/20

    asked on April 3, 2016
  2. Consumer Math

    1. Ken bought a car last year to drive back and forth to work. Last year he spent $1,098 on gas. This year, it was $1,562. What is the inflation rate? a. About 51% b. About 42% c. About 20% d. About 39% I believe it is b is this correct? 2.Carnie had an

    asked on February 24, 2014
  3. physics

    Julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. The walkway is inclined 15 degrees above the horizontal. How much work does Julie do in carrying her suitcase?

    asked on December 15, 2011
  4. computer science

    9.10: Reverse Array Write a function that accepts an int array and the array’s size as arguments. The function should create a copy of the array, except that the element values should be reversed in the copy. The function should return a pointer to the

    asked on February 18, 2012
  5. chemistry

    The conjugate acid of CNO- is a. HCNO b. CNO- c. CN- d. H2CNO e. HCN Not quite sure for this question, is A the answer? Need help, thanks.

    asked on May 26, 2011
  6. Pre-Algebra

    1. Determine which set of three numbers could represent the sides of a right triangle. a. 9, 41, 41 b. 9, 40, 41 c. 8, 41, 40 d. 10, 40, 42 is the answer b? 2. Determine which set of three numbers could not represent the sides of a right triangle. a. 3, 4,

    asked on May 4, 2011
  7. algebra

    State whether the growth (or decay) is linear or exponential, and answer the associated question. The population of Jamestown is increasing at a rate of 2.5% each year. If the population is 25,000 today, what will it be in 2 years?

    asked on February 1, 2016
  8. Chemistry: Answer check please!

    1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on

    asked on April 2, 2011
  9. chemistry

    How many joules are required to convert 16.5 g of ice at 0.0°C to liquid water at 32.0°C? The heat of fusion of water is 334 J/g.

    asked on May 4, 2011
  10. English

    How do i write a thesis statement about greed for the novel The Lion, The Witch and The Wardrobe?

    asked on June 12, 2010
  11. statistics

    A group of 49 randomly selected construction workers has a mean age of 22.4 years with a standard deviation of 3.8. According to a recent survey, the mean age should be mu=21.9. Test this hypothesis by constructing a 98% confidence interval for the

    asked on November 19, 2013
  12. chemistry

    When 5 grams of salt is dissolved in 95 grams of water the temperature of the solution increases 10°C how much heat is evolved the heat capacity of the solution is 1.1 cal/g°C

    asked on October 7, 2013
  13. Life Skills

    The Civil War was an example of which type of conflict? a. interpersonal b. intrapersonal c. intergroup d. intragroup I believe its C, is that correct?

    asked on February 22, 2013
  14. computer science

    Declare a structure whose tag name is Emp and that contains these fields (in the following order): a double field named d, a character pointer named str, and an array of eleven integers named arr. * I'm good till here. In addition, declare a array named

    asked on February 19, 2012
  15. Environmental Science

    1. The main provisions of the Endangered Species Act include all of the following EXCEPT: a. individuals may not destroy the habitats of endangered species may not catch or kill, uproot, sell or trade any endangered or threatened species. c. the

    asked on January 6, 2012
  16. statistics

    Suppose that there are 10 million workers in Canada and South Korea and each worker in Canada and South Korea can produce 4 cars per year. A Canadian worker can produce 10 tonnes of grain a year, whereas a South Korean worker can produce 5 tonnes of grain

    asked on November 11, 2011
  17. college chem

    sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C -> Na2S +4CO(g) so suppose you mix 15(g) of Na2SO4 and 7.5g of C. which is the limiting reactant AND what is mass of Na2S that is produced?

    asked on October 9, 2011
  18. chemistry 2

    the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of iron in grams that can bbe obtained from 454g (1.00 lb) of iron (III) oxide? AND what mass of CO is required to react with the

    asked on October 9, 2011
  19. college chem

    what volume of 0.955 M HCl, in milliliters, is required to titrate 2.152g of Na2CO3 to the equivalent point? Na2CO3(aq) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(1) can this please be explained in simple step by steps? i am sick and i am having trouble

    asked on October 6, 2011
  20. math

    A total of tickets were sold for the school play. The number of student tickets sold was two times the number of adult tickets sold . How many adult tickets were sold?

    asked on August 30, 2010
  21. math

    adult tickets for a play cost $5.50 and a child ticket cost $3.50. They sold 550 tickets and collected $2139.00. How many adult tickets sold

    asked on November 8, 2015
  22. Finance

    Calculate the project’s initial Time 0 cash flow, taking into account all side effects.? This will be a five-year project. The company bought some land three years ago for $4.2 million in anticipation of using it as a toxic dump site for waste chemicals,

    asked on November 23, 2013
  23. science

    when the beaker of water is heated what will happen to the level of water in the tube. this thermometer would be no use to measure the temperature in the freezer.write 2 sentences to explain why

    asked on November 8, 2012
  24. history

    •Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

    asked on May 29, 2012
  25. physical science

    A certain radioactive substance has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much will be left at 3:00 P.M.? At 6:00 P.M.? At 10:00 P.M.?

    asked on November 2, 2011
  26. Chemistry

    In the titration of a weak acid with a strong base, the pH at the equivalence point is affected mostly by a.hydrolysis (reaction with water) of the weak acid b.the dissociation of water molecules c.the presence of excess base d.the hydrolysis of the

    asked on May 26, 2011
  27. Pre-Algebra Checkk

    1. Convert the rate using dimensional analysis. 30 miles/hour = _______ feet/second a. 0 b. 44 c. 43 d. 2 answer: b 2. Convert the rate using dimensional analysis. 16 feet/second = _____ yards/minute a. 240 b. 120 c. 10 d. 320 answer: b Can someone check

    asked on May 9, 2011
  28. Algebra: Check please

    1. Find the distance between the pair of points. Round to the nearest tenth is necessary. (-13, -8) and (6, 17) a. 11.4 b. 12.1 c. 31.4 d. 23.7 is the answer c? 2. Find the distance between the pair of points. Round to the nearest tenth, if necessary.

    asked on May 6, 2011
  29. pre-algebraa

    1. Which of the following ordered pairs is a solution of 5x + 2y = -3? a. (2,-4) b. (-4,2) c. (1,-4) d. (-4,1) is the answer: C?

    asked on May 3, 2011
  30. Chemistry 20

    The mass of calcium hydrogen carbonate that would be found in 52.0L of hard water in a bathtub is _______________ g. The amount concentration of calcium hydrogen carbonate in the hard water is __________mmol/L

    asked on April 30, 2011
  31. Chemistry(HELP)

    Can you check this answer? 1. Heat of combustion is the heat released by the complete combustion of one mole of a substance. a.) True b.) False Answer: b.) False Is this right?

    asked on April 5, 2011
  32. Chem: Two questions

    Identify the two types of reactions: 1. A+B--> Answer: Synthesis Reaction 2. A+BC-->AC+B Answer: Single Replacement or Substitution Reaction THANK YOU !

    asked on April 2, 2011
  33. chemistry

    Which of the following is true for the gas phase reaction shown below? 4NH3(g) + 5O2(g) ¨ 4NO(g) + 6H2O(g), ƒ¢H = -0.905 kJ

    asked on March 15, 2011
  34. American Government: Research Paper

    I chose for my Research paper to write about Mark Kirk. How do I write a thesis statement in a Bibliography? HELPPPPP :D

    asked on February 25, 2011
  35. Algebra: Help please

    I'm really bad with monomial expressions. Can someone please help? Is 7(m - 2) a monomial expression? yes or no Is 3mnp a monomial expression? yes or no

    asked on February 18, 2011
  36. English 2

    In collecting information, the chief problem often facing historians and reporters is that there are too few facts or too many: A. Details B. Opinions C. Photographs D. Charts and Graphs is it A?

    asked on December 21, 2010
  37. American Government

    The Constitution establishes rules that the United States government must observe. There are five main principles that form the basis of these rules and ensure our democratic government. In a minimum of three well-developed paragraphs, list, define, and

    asked on October 22, 2010
  38. calculus

    I am stump on how to break this down for I can use the chain rule to get the integral of this equation. (-30/(2x+1)^2)=30

    asked on April 13, 2010
  39. health

    The postoperative death rates are calculated by patients who have expired in what period of time?

    asked on November 2, 2009


    asked on April 27, 2009
  41. math

    The cost of a long-distance telephone call is $.36 for the first minute and $.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3. cost= .36 + .21(m-1) then put

    asked on March 19, 2007
  42. math

    If the total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone? 1.15 X = $65.32 I am assuming that you can solve this equation for X (the cost of the meal alone). If you cannot, respond to this post with more

    asked on March 19, 2007
  43. math

    Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88

    asked on March 17, 2007
  44. Finance/Accounting

    I'm not sure how to work this oroblem. Can someone assist me. revenues of $230,000 and expenses, including income taxes, of $190,000. On December 31, 2005, Edgemont had assets of $350,000, liabilities of $80,000, and capital stock of $210,000. Edgemont

    asked on October 10, 2006
  45. Algebra

    A passenger will go 465 miles on 15.5 gallons of gas in city driving. What is the rate in miles per gallon?

    asked on November 7, 2018
  46. Math

    A cell phone company charges $0.28 for each text message. Paula plans to spend no more than $5.00 on text messages next month. Write and solve an inequality to find how many text messages she will be able to send.

    asked on March 19, 2018
  47. Physics

    p = mv Scenario #4 At a station ,a train weighs approximately 1000kg and is moving at 50m/s on a railway and collides with an incoming train weighing 1000kg and moving at -20m/s. 1)If these two trains stick together and begin to move after having being

    asked on March 3, 2017
  48. reading and preschoolers

    Beginning readers' past experiences with ____ is believed to be necessary for children to acquire reading skill.

    asked on December 12, 2016
  49. probability

    Brenda’s Bike Booth, at the mall, allows people to order a bike in their choice of 4 colors (Atomic Tangerine, Banana, Café Noir, or Dollar Bill) and the options of with or without a basket; with or without a horn. Given all of these options, what’s

    asked on November 3, 2016
  50. Algebra 2

    Hello! I was wondering if someone could tell me if the solution to this problem is identity or no solution. The problem is 4n+5=6r+7 and I think the solution is n=3/2r+1/2 is it an identity or no solution? Thank you so very much for your help!

    asked on October 25, 2016
  51. labor

    What demands would most likely be advocated by union leaders interested in obtaining contract ratifications

    asked on October 18, 2016
  52. trigonometry

    find the radius of the circle whose sector area is 426 and central angle 24

    asked on September 30, 2016
  53. Maths

    How can work out the IQR with listed Upper bound and Lower Bound Outliers?

    asked on September 7, 2016
  54. Math

    How much interest would be earned on $24,664.64 if the owner invest the full amount into an annuity in a regular compounded -interest account with the term of 4 years .

    asked on April 12, 2016
  55. math

    Find the future value of an annuity if you invest $200 quarterly for 20 years at 5% interest compounded quarterly.

    asked on April 12, 2016
  56. Math

    An employee has an annual salary of $26965. After he arranges to have deducted from his salary 12% for the purchase of bonds 17% for federal witholding tax and 3% for a retirement fund what is the amount of his monthly check

    asked on February 7, 2016
  57. math

    a theater sold 404 tickets for a total of $1708. Children tickets are $3.50 and adult tickets are $5.50. How many adult tickets were sold

    asked on November 9, 2015
  58. william dick

    If nuts are $6lb how much 1 3/4

    asked on November 5, 2015
  59. math

    I don't know how to write these 2 sentences. One number is twice another number. Twice the lesser number increased by three times the greater number is 75

    asked on November 2, 2015
  60. Math

    On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A random sample of 30 bowlers at Fred's Bowling Alley has a sample mean of 26. A second random sample of 30 bowlers at Ethel's

    asked on October 8, 2015
  61. chemistry

    When doing an experiment with a calorimeter why is important to keep the lid on?

    asked on October 11, 2013
  62. Math

    Finding the critical value(s) of x^2, and use a x^2 distribution table to find the limits containing the P-value. Determine whether there is sufficient evidence to support the given alternative hypothesis. Test Ho:theta=2.63,Versus H1:theta does not

    asked on September 29, 2013
  63. biology

    This is a Independent and Dependent Variable questions. If leaf color change is related to temperature, then exposing plants to low temperatures will result in changes in leaf color.

    asked on September 26, 2013
  64. Geometry Honors

    You and your friend each draw 3 points. Your points lie in only 1 plane, but your friend's 3 points lie in more than one plane. Explain how this is possible.

    asked on August 27, 2013
  65. algebra

    how to solve this question? to print 6000 post cards suppose it costs 2 cents to print a large postcard and 1 cent to print a small postcard. If $97 dolllars is allocated for printing the postcards how many of each type can be printed

    asked on August 9, 2013
  66. Math

    How many square yards are in a room that measures 14 feet by 11.6 feet

    asked on June 28, 2013
  67. Math

    Mr.Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of the remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

    asked on May 6, 2013
  68. Math

    Mr. Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of his remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

    asked on May 6, 2013
  69. chemistry

    A nitric acid solution containing 71.0% by mass of the acid has a density of 1.42g/ml how many grams of nitric acid are present in 1.0L of this solution

    asked on May 3, 2013
  70. Math

    A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to

    asked on April 29, 2013
  71. economics

    Calculate the percentage return on the security if the payoff to the security in one year is $1,000, ... security in one year is $1,000, $1,500, $2,000, or $2,500.

    asked on April 14, 2013
  72. English Comp I

    What would be a good thesis statement for a proposal essay

    asked on April 11, 2013
  73. statistics

    The frequency of color blindness in the Caucasian American male population is about 8%. If a random sample of 125 individuals is chosen from this population, what is the probability that 5-10 individuals in the sample are color blind?

    asked on March 21, 2013
  74. English

    Aboard at a ship’s helm, A young steersman steering with care. Through fog on a sea-coast dolefully ringing, An ocean-bell—O a warning bell, rock’d by the waves. O you give good notice indeed, you bell by the sea-reefs ringing, Ringing, ringing, to

    asked on March 11, 2013
  75. financial acct

    Crowns issed 40,000 shares of $5 par value common stock for $14 per share. Prepare journal entries using a chart of acct.

    asked on January 24, 2013
  76. science

    what science word can be formed using these letters ECREFENINE?

    asked on October 15, 2012
  77. Math

    What is the weight or volume of solute in 5.5% NaOH solution?

    asked on October 3, 2012
  78. finite math

    for the previous ? it as to be set up in five steps I just can't figure out how to set it up to get the answers

    asked on September 22, 2012
  79. finite math

    A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble.

    asked on September 22, 2012
  80. finite math

    A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble.

    asked on September 22, 2012
  81. statistics

    If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected. Can you explain how you get the

    asked on September 12, 2012
  82. Algebra

    15 less than x divded by 9

    asked on August 29, 2012
  83. Basic Algebra

    A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 15 more deluxe staterooms than the Pacific. The Mediterranean has 26 fewer deluxe staterooms than four times the number of deluxe

    asked on July 15, 2012
  84. arithmetic

    what is 4.2% of $24,000?

    asked on June 26, 2012
  85. history

    •Review “Origins of the Cold War” in Ch. 27 of American History and summarize the revisionist and post-revisionist interpretations of the Cold War. Does our interpretation of history ever change

    asked on May 29, 2012
  86. Math

    what is (7.21-3.13)4th power divided by 0.6-0.4?

    asked on May 22, 2012
  87. science

    need examples of solutions and suspensions

    asked on July 21, 2012
  88. chemistry

    If 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?

    asked on April 13, 2012
  89. Science

    1. Which of the following is an example of energy transfer from the sun to a producer and then to a consumer? a. sun warms rocks; squirrels climb over rocks; squirrels are eaten by other animals b. sunlight helps plants to grow and deer eat plants c. sun

    asked on March 1, 2012
  90. computer science

    my code works in c++ so the logical I am getting error must be in the reading of the problem, but I can't see it: Given a type Money that is a structured type with two int fields, dollars and cents. Assume that an array named monthlySales with 12 elements,

    asked on February 24, 2012
  91. computer science

    The variable cp_arr has been declared as an array of 26 pointers to char. Allocate 26 character values, initialized to the letters 'A' through 'Z' and assign their pointers to the elements of cp_arr (in that order). int

    asked on February 18, 2012
  92. computer science

    The variable cp_arr has been declared as an array of 26 pointers to char. Allocate 26 character values, initialized to the letters 'A' through 'Z' and assign their pointers to the elements of cp_arr (in that order).

    asked on February 17, 2012
  93. computer science

    int *reverse(const int *, int); int *temp; temp = reverse(arr1,N); int *reverse(const int *arr1, int N) { int *arr2; arr2 = new int[N]; for(int count = 0; count < N; count++) { for(int index = (N-1); index

    asked on February 17, 2012
  94. mortgage rates

    what would the monthly payment be on a $115,000 home with a 4.4 percent annual interest?

    asked on January 26, 2012
  95. Presentation

    After completing the Unit 4 Live Presentation, discuss each of the following topics in a 3 – 4 paragraph essay: Discuss at least two specific aspects of delivering the Unit 4 Live Presentation that were easier than you thought they would be. Explain the

    asked on January 23, 2012
  96. science

    how to draw a delivery device for golf balls

    asked on January 14, 2012
  97. Science

    1. Symbiotic relationships may evolve a. very quickly to remove all benefits acquired by the relationship. b. rapidly over a short period of time throughout all species. c. over time by co-evolution of adaptations that reduce the harm or improve the

    asked on January 6, 2012
  98. Math

    How do you solve 2t - 4t to the 2nd power? 2t-4t to the 2nd power Identify the greatest common factor Factor this expression

    asked on December 24, 2011
  99. phsyics

    A 975-kg car accelerates. The magnitude of the average net force acting on the car is 3478 N, what is the acceleration of the car?

    asked on December 15, 2011
  100. math

    What is the scientific notation of 200,400

    asked on December 7, 2011


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