# Cheryl

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

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

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?

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

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.

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,

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?

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

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.

10. ## English

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

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

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

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?

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

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 b.one may not catch or kill, uproot, sell or trade any endangered or threatened species. c. the

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

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?

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

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

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?

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

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,

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

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?

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.?

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

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

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.

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?

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

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?

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 !

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

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

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

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?

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

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

39. ## health

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

40. ## SICENCE

50.0 G SILVER SPOON AT 20.0 C PLACED IN A CUP OF COFFEE AT 90.0C

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

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

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

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

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?

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.

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

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

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

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!

51. ## labor

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

52. ## trigonometry

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

53. ## Maths

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

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 .

55. ## math

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

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

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

58. ## william dick

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

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

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

61. ## chemistry

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

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

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.

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.

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

66. ## Math

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

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?

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?

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

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

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.

72. ## English Comp I

What would be a good thesis statement for a proposal essay

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?

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

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.

76. ## science

what science word can be formed using these letters ECREFENINE?

77. ## Math

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

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

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.

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.

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

82. ## Algebra

15 less than x divded by 9

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

84. ## arithmetic

what is 4.2% of \$24,000?

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

86. ## Math

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

87. ## science

need examples of solutions and suspensions

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?

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

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,

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

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).

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

94. ## mortgage rates

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

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

96. ## science

how to draw a delivery device for golf balls

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

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

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?