# debbie

Popular questions and responses by debbie
1. ## Chemistry

How do I determine the quantity (g) of pure MgSO4 in 2.4g of MgSO4.7H2O

2. ## college

what is the mass of solute dissolved in 50.0g of a 12.5% saline solution?

3. ## Math

An Apple iPod sells for \$299, which is marked up 40% of the selling price. What is the cost of the iPod? A. \$194.70 B. \$149.70 C. \$197.40 D. \$179.40 My answer D

4. ## Maths

Two observers P and Q 15m apart observe a kite in the same vertical plane and from the same side of the kite.The angle of elevation of the kite from P and Q are 35 degree and 45 degree respectively.Find the height of the kite to the nearest metre.

5. ## Math

Johnny Mac's Sporting Goods bought a baseball glove from Rawlings Sporting Goods for \$66.00. They want to mark up the glove 70% on selling price. What should Johnny's sell the glove for? A. \$113.22 B. \$179.82 C. \$246.42 D. \$220.00 I came up with 112.20 66

6. ## statistics

a student takes a true false test that has 13 questions and guesses randomly at each answer. Let X be the number of questions answered correctly. Find P(fewer than 4)

7. ## math

A bond quote of 82.25 in dollars is equal to A. \$8.25. B. \$82.25. C. \$822.50. D. \$8,025.50.

8. ## Math

How do Federal Reserve banks, as well as the federal government, typically calculate simple interest? A. Using 31 days in each month B. Based on exact interest C. Based on ordinary interest My answer is B

9. ## Statistics

Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 550 stereos are purchased and 1% are found to be defective. From Company B, 850 stereos are purchased and 6% are found to be defective. Given that

10. ## Chem 2

Which of the following has the highest buffer capacity? A. 0.10M H2PO4-/0.10M HPO4 2- B. 0.50M H2PO4-/0.10M HPO4 2- C. 0.10M H2PO4-/0.50M HPO4 2- D. 0.50M H2PO4-/0.50M HPOr 2- E. They all have the same buffer capacity. Double checking I believe C is the

11. ## Chem 2

A popular buffer solution consist of carbonate (CO3 2-) and hydrogen carbonate (HCO3-) conjugate acid-base pair. Which, if any of the following such buffers has the highest buffer capacity? A. 0.9M CO3 2- and 0.1M HCO3- B. 0.1M CO3 2- and 0.9M HCO3- C.

12. ## MATH

An urn contains 5 white and 6 black balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all 4 balls drawn from the urn are

13. ## math

The formula Total cost = Cost + Shipping cost + Holding cost is used to find the total cost of a business asset. The formula can be written in symbols as T=C+S+H. Solve the formula for H, the holding cost of the asset.

14. ## Chemistry

Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.

15. ## Chemistry 2

calculate the theorectical yield of the compounds to be prepared in the experiment. The metal ion in both cases is the limiting reagent.Find nuber of moles of Cu(II) in the sample of CuSO4 x 5H2O that you used. The equal the number of moles of [Cu(NH3)4]x

16. ## Math

Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. c?

17. ## Math

A bond quote of 82.25 in dollars is equal to A. \$8.25. B. \$82.25. C. \$822.50. D. \$8,025.50. A?

18. ## Math

Jay discounts a 100-day note for \$25,000 at 13%. The effective rate of interest to the nearest hundredth percent is _______ %. A. 13.49 B. 13.48 C. 13.03 D. 13.02 a is my answer

19. ## Chemistry

I need help with how to do this! -If a 7.0mL sample of vinegar was titrated to the stoichiometric equivalence point with 7.5mL of 1.5M NaOH, what is the mass percent of CH3COOH in the vinegar sample?

20. ## accounting

herman company received proceeds of \$188,500 on 10-year, 8% bonds issued on january 1, 2009. the bonds had a face value of \$200,000, pay interest semi-annually on june 30 and december 31, and have a call price of 101. herman uses the straight-line method

21. ## math

An advertisement states that eight thermometers cost \$12.42 minus a 3% discount. Dr. wants to order a dozen to take advantage of the savings, sales tax is 5%. What would the cost be? Is my math right? I divided 8 by \$12.42 and got \$1.55 p/thermometer.

22. ## Math

The municipality of Waterloo needs \$915,000 from property tax to meet its budget. The total value of assessed property in Waterloo is \$14,000,000. What is the tax rate per dollar? (Round your answer to the nearest thousandth.) A. \$.07 B. \$.065 C. \$.071 D.

23. ## Math

An invoice dated March 6 with terms of 1/10, EOM results in the end of the discount period on A. May 30. B. April 10. C. April 30. D. May 31 An My answer is B

24. ## Chemistry 2

Which is the oxidizing agent in the reaction below. Cr2O72- + 6S2O32- +14H+ > 2Cr3+ + 3S4O62- +7H20 A. Cr3+ B. S4O62- C. Cr2O62- D. S2O32- E. H+ I believe it's D or is it C not 100% sure please help. THANKS

25. ## Chem 2

i need help setting this problem up i know what the answer is but need to know how to get to it. calculate the kinetic energy in joules of an automobile weighing 2135lb and traveling at 55 mph (1 mile=1.6093km, 1lb=453.59g)

26. ## algebra

If the population of the small town is currently 13,000 people, and it's decreasing at 4% each year, how many years will it take for the population to reach 8,500 people?

27. ## Math

Matt Miller, age 28, takes out \$50,000 of straight-life insurance. His annual premium is \$418.20. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the cash value of his policy at the end of 20 years. A. \$13,250

28. ## Math

A local college bookstore paid a net price of \$12,500 for textbooks for the coming semester. The publisher offered a trade discount of 20%. The publisher's original list price was A. \$15,625. B. \$15,000. C. \$15,500. D. \$2,500. A

29. ## Chem 2

5 drops of 0.10M NaOH were added to 20mL of the buffer problem, the pHwent from 3.40 to 3.43. Write a net ionic equiation to explain why the pH did not go up to about 10, as it would have if that amount of NaOH were added to distilled water or to 20mL

30. ## MATH

Find the length of segment RS if S between R and T, the length of RS is 1/3 the length of segment RT, RS=3x-3 and ST=2x+6.

31. ## science

6. About 90% of all marine organisms live in the upper 180 m of the ocean. How does temperature and light intensity influence this fact? (What does temperature and light intensity have to do with where ocean life is located?)

32. ## Probability

1. Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 30 plain cookies, while bowl #2 has 20 of each. Our friend Fred picks a bowl at random, and then picks a cookie at random. We may assume there is no reason to believe Fred

33. ## Chem 2

Is this how I right this formula for dichlorodiaquoplatinum (II) (PtCl2(H2O)2)

34. ## Managerial Finance

Compare the performance of East Coast Yachts to the industry as a whole. For each, comment on why it might be viewed as positive or negative relative to the industry. Suppose you create an inventory ratio calculated as inventory divided by current

36. ## Math 115

Need some help with two questions 1. 6.5% of what number is 325? I got 325 ÷ 0.065 = 5000 Is that corrrect? The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation

37. ## Math

The The speed of a passenger train is 12 mph faster then the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 210 miles. Find the speed of each train.

38. ## Math

Kris bought a new fur coat for \$8,000. She must pay 5% sales tax and 7% excise tax. The furrier is End of exam shipping the coat, so Kris must also pay a \$15 insurance charge. What is the total purchase price of the coat? A. \$8,400 B. \$8,960 C. \$8,560 D.

39. ## Chem 2

Is this the correct formula for dichlorotetramminechromium (III) nitrate? (CrCl2(NH3)4 NO3)

40. ## ETh126

Describe other measurements sociologists utilize to calculate prejudice.

41. ## Chemistry

How many grams of Li2SO4 are needed to prepare 250.0 mL of a 4.0% m/v Li2SO4 solution?

42. ## accounting

You just started a summer intership with the successful management consulting firm of Kirk, Spock, and McCoy. You first day on the job was a busy one, as the following problems were presented to you. FastQ Company, a specialist in printing, has established

43. ## misc.

What is the next letter in this riddle? o t t f f s s _ _ It's "e"..... One Two Three Four Five Six Seven Then comes "e" for eight and "n" for nine. Hope this helps. :)

44. ## finance

John Peterson purchased a bond at a price far below its face value; it that makes no interest payments and will be redeemed at its face value at maturity. In all likelihood, he purchased a(n) __________ bond.

45. ## English

Which sentence should be edited to eliminate its cliché? A. The texture of the burlap was a cross between woven straw and a three-day beard. B. The family was immensely relieved when Great-Aunt Martha's condition progressed from "critical" to "it looks

46. ## Math (Statistics)

Without calculating values of z, tell which of these sample means will have the most extreme standardized score and which will have the least extreme standardized score. 40, 30, 25, 20.

47. ## English

Which of the following sentences contains a dependent clause? A. Kicking and leaping, the three deer behaved like rambunctious rabbits. B. Jared eagerly climbed into the boxing ring; he was on his back and out for the count in less than ten seconds. C.

48. ## math 156

a pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are ther and how many birds?

49. ## math

The laundry bill is \$33.80. If paid within 10 days,the company allows a 2.5% discount. Calculate the amount of the bill.

50. ## Psychology

Which of the four positions of the nature of traits do you agree with most and why? Compare and contrast against one of the other four

51. ## Eng 111

I need help identifying how the word is in wach sentence. I have to tell it it is an adjectibe, adverb conjunction, noun pronoun, adfective clause, adverb clause, noun clause, gerind phrase, infinitive clause, participial phrase, Please help me with the

52. ## social studies

Can you unscramble ecuminrof girnwit http://www.unscramble.net/ ___________ writing =) Hi my name is carley ragan and i need help with my social studies homework right now please help me right away thanks, Carley Ragan

53. ## Physics

What is the density of the liquids if water weighs 23.2 grams while the liquid weighs 25 grams and the bottle weighs 43.2 grams when empty

54. ## English

Many wonder why superhero flaming carrot wears flippers. What is the adverb clause

What is the primary purpose of the detailed descriptions Barry Holstun Lopez includes in the excerpt from Of Wolves and Men

56. ## Math

A bond quote of 82.25 in dollars is equal to A. \$8.25. B. \$82.25. C. \$822.50. D. \$8,025.50. B?

57. ## Math

An invoice dated March 6 with terms of 1/10, EOM results in the end of the discount period on A. May 30. B. April 10. C. April 30. D. May 31. C

58. ## English

Which of the following sentences contains a redundancy? A. Chris had trouble working up even mild enthusiasm for Mike's plan. B. Steve admired the partially completed stadium. C. Emily's sister gave birth to a pair of twins. D. At no time did Tony indicate

59. ## Math- Geography

Oncologist use similar triangles in radiation treatment. In order to avoid creating "hot spots" on a patient's spinal cord, doctors must determine where the radiation rays will hit.The known distance from the ray to the patients back is 100 cm. The known

60. ## social impact on technology

The article "Young at Risk" purposes that the young of humans and animals are more vulnerable to chemical pollutant exposure due to all of the following reasons except that: A. their brains are less sensitive than those of mature humans and animals. B. the

61. ## Physics

PLEASE SOMEONE HELP ME WITH THIS DARN QUIZ. I'm so lost and all my teachers are too 'BUSY' to help me. :/ I'm getting so sick and tired of studying and not getting it but then having to take the blame for my instructor's folly. 2. Which of the following is

62. ## Chemistry

Need help.... calculate the theorectical yield of the compounds to be prepared in the experiment. The metal ion in both cases is the limiting reagent.Find number of moles of Cu(II) in the sample of CuSO4 x 5H2O that you used. The equal the number of moles

63. ## chemistry

Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10–20, in 0.91 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ⇌ Cu(NH3)42+, K = 5.0 × 1013. Round your answer to two significant figures and do NOT use scientific notation.

64. ## Thermodynamics

Streptomycin, an antibiotic, is produced on a large scale in the United States. The purified solution contains 50 wt% streptomycin water. Preparation of 500 mL intravenous (IV) drip solution bag requires addition of diluent and preservative. The diluent

65. ## Comm 155

Could you please check these sentences and tell me if they make sense. Write five sentences in which you address changes in your writing. 1. With practice, I have gotten better at grammar and punctuation. 2. Working with a study group has made my sentence

66. ## geometry

If the sides of a triangle are in the ratio 3:4:5 and the perimeter of the triangle is 72 inches what are the lengths of the sides?

67. ## Macroeconomics

Suppose the money supply is currently 500 billion and the Fed wishes to increase it by 100 billion. Given a required reserve ratio of .25, what should it do?

68. ## Psychology

What defensive coping methods is Michael using? What active coping methods might be healthier for him? Why would you recommend these methods?

69. ## Filipino to english

Can anyone help me with this message. Its suppose to be in Filipino and I need to know what it says in English!! kagigising ko lang,, natulog agad ako padating ko, kasi hindi ako makatulog kahapon bago pumasok,, kaya antok ako sa work kanina, kaya pag uwi

70. ## Algebra

How do you translate " the quotient of a number increased by 13 and -7 is -4"

71. ## Math

Two third of cookie recipe calls for three Fourths cup of sugar.how many cups are needed per recipe?

72. ## Science

A homeowner determined that he used 114 gallons of oil to heat his home during game the winter. This information would be considered part of his ________?

73. ## algebra 2

What is the equation of the line that has a slope of -2 and a y-intercept of -7? y = -2x - 7 y = -7x - 2

74. ## algebra

Write an algebraic expression for the given quantity. Let x represent the unknown value. a value increased by 6

75. ## physics HELP PLS :(

Mark saxby is set to kick the field goal to win the state championship for Olathe East. He is 47.0m away from the goalposts and he kicks the ball at a speed of 25.0m/s at an angle of 30.0 degrees. (a.) If the cross bar on the goalposts is 3.00m above the

Correct punctuation of , That is in my opinion depressing.

77. ## math

Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. B?

78. ## Math

The municipality of Waterloo needs \$915,000 from property tax to meet its budget. The total value of assessed property in Waterloo is \$14,000,000. What is the tax rate per dollar? (Round your answer to the nearest thousandth.) A. \$.07 B. \$.065 C. \$.071 My

An invoice dated March 6 with terms of 1/10, EOM results in the end of the discount period on A. May 30. B. April 10. C. April 30. D. May 31. A is my answer

Total current assets (CA) \$20,000 Accounts receivable (AR) \$10,000 Current liabilities (CL) \$11,000 Inventory (INV) \$4,000 Net sales \$30,000 Total assets \$25,000 Net income \$5,000 Calculate average day’s collection. A. 12 days C. 1.2 years B. 120 days D.

81. ## Math

karen collects 6/7 quart of rainwater. she uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3 houseplants. What volume of water does she use for each houseplant?

82. ## Chemistry

How many hydrogen atoms are in a 15.00 mg sample of glucose? (C6H1206)

83. ## English

In which sentence does the italicized word have a negative connotation? A. Jack, who is the most outspoken member of the group, led the opposition to the new rule. B. Jenna's green eyes and dark eyelashes gave her an exotic look. C. Matthew was a

84. ## Law and Ethics Medical

. Physicians in general practice are expected to conform to the standards A. of other general practitioners in the same or similar communities. B. of specialists. C. that each individual doctor is capable of meeting, given each doctor's documented personal

85. ## math

7 nails has a of 50g how many nails have a mass of 1/2kg

86. ## algebra

solve the literal equation for x. Square root 3x + 2y +5x=4, for x

87. ## no

A man on CNN News is during for this amt. 3,followed by 36 zeros. How much is that. . Thank you . Debbie

88. ## Statistics

You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 high-school students, 287 say they read newspapers regularly, and out of a random

89. ## AP Chemistry

Approximately how much water should be added to 10.0 mL of 12.4 M HCl so that it has the same pH as 0.90 M acetic acid (Ka = 1.8 10-5)?

90. ## math

rick borrows 48,000 the loan will be a 10% add-on loan interest will be charged for 2 full years, rick will repay on monthly basis what will the total amount of interest paid,what will be the monthly amount paid,what is true rate interest paid?

91. ## biorganic

equations of thereactions of both maleic acid and fumaric acid with (a) bromine (b) hydrogen chloride (c) catalytic hydrogenation.name the products of these reaction

92. ## math

Tina completed 2/3 of her homework before dinner. George c ompleted 4/7 of his homework before dinner. Who completed a greater fraction of homework?

93. ## college algebra

Find the domain: h(x)=√(x+4) How do I work this problem?

94. ## english

where can I get a comparism and contrast for the perils of indifference and the power of non-violence

95. ## BIOLOGY/CHEMISTY

a student uses the unduiluted glucose stock solution in a reaction and finds that the absorbance values over 90 seceonds are all 1.900. What does this result tell you abou the enzyme activity of glucose oxidase in this reaction after the 90 seconds time

96. ## math

How many three-digit integers are multiples of both 4 and 6 and have a unit digit of 2?

97. ## chemistry

Need to write a brief description of the procedure required to make 900mL of a 0.5 M NaCl solution. The formula weight of NaCl is 58.4g/mole.

98. ## geometry

In Exam Figure 7, AA′ = 33 m and BC =7.5 m. The span is divided into six equal parts at E, G, C, I, and K. Find the length of A′B. Round your answer to two decimal places.

99. ## Chemistry

How do you prepare 2% Cu S04? How does this solution differ from 2M CuS04? I am stumped. Thank you. Deb