# Questions Asked onAugust 2, 2012

1. ## math

How many arrangements can be made using 4 letters of the word HYPERBOLAS if no letter is to be used more than once?

2. ## math

Luis and Berto sell TVs. Last month Berto sold 15 more TVs than Luis. Together they sold 163. How many TVs did Luis sell?

3. ## Chem

What is the PH of 0.40 M Na2SO3? (K1 for H2SO3 = 1.5 * 10^-2; K2 = 1.0 * 10^-7

4. ## AP WORLD HISTORY

WHAT WERE THE NEGATIVE EFFECTS/USES OF SPIRITS? (give several examples)

5. ## Calculus Max Profit

To make pom poms in our school colors, we will have expenses of \$100 to rent the Acme PomPom Plant, and then \$0.25 per pom pom in materials. We believe that we can sell 500 pom poms if we charge \$1.50. Assume the number sold is a linear function of the

6. ## math

A certain printer can print at the rate of 80 characters per sound, and there is an average of 2,400 characters per page.If the printer continued to print at this rate, how many minutes would it take to print an M-page report? a) m/30 b) m/60 c) m/2 d) 2/m

7. ## Physics

A series RCL circuit has a resonant frequency of 1500 Hz. When operating at a frequency other than 1500 Hz, the circuit has a capacitive reactance of 5.0 Ù and an inductive reactance of 30.0 Ù. What are the values of (a) L and (b) C? I know I should be

8. ## Math

Consider the congruence 6x=15(mod 21). How many solutions does the congruence have? What are all the solutions?

9. ## Chem II

Choose the aqueous solution below with the lowest freezing point. These are all solutions of nonvolitile solutes and you should assume ideal van't Hoff factors where applicable. a. 0.075 m NaI b. 0.075 m (NH4)3PO4 c. 0.075 m NaBrO4 d. 0.075 m LiCN e. 0.075

10. ## math

A certain store is selling an \$80 radio \$64. If a different radio had a list price of \$200 and was discounted at 1.5 times the percent discount on the \$80 model, what would its selling price be? a) \$90 b) \$105 c) \$120 d) \$140 e) \$160

11. ## physics

how long will it take for an apple falling from a 29.4m tall tree to hit the ground? how

12. ## Math

Solve the Following quadratic equations by completing the square. 7x(squared)+4x-13=8

13. ## algebra/logs

I don't understand this problem: (1/2)n = 0.015625 n log 0.5 = log 0.015625 n = log 0.5 / log 0.015625 n = 6 When I plug log .5 into the calculator it gives .3010 and when I plug .15625 to the calculator it is -1.806 and that would be -.3010/-1.806 =.1666.

14. ## calculus max area

Maximize volume of a pyramid cut from peice of paper. (Problem) A pyramid consists of 4 isosceles triangles around a square base. If this is to be cut and folded out of a single square piece of paper, Maximize the volume. I am not sure where to begin here.

15. ## medical billing and coding

what are the CPT and ICD-9-CM codes for following question? "this is a pleasant female who comes in with a soft tissue lesion in the left flank over what appeared to be a spigelian hernia site as well. However, it was not reducible and did not appear to be

16. ## Math

Compute 2^1000(mod 121) using Euler.

17. ## Math

Your municipality withdraws 10,000 gallons per day from an aquifer that originally held 1,000,000 gallons. The recharge rate to the aquifer is 2,000 gallons per day. Determine how long it will take before the aquifer is depleted

18. ## math

whats it call, the total inches of height, length, all sides

19. ## Statistics

Can you show me how to figure out a sample size of N=60? What would the equation look like and how would I explain it to a class?

20. ## math

how do you work out the problem 3/4ft.= how many inches.

21. ## math

Ms. Sue are you able to break 3/4ft.= how many inches for a 2nd. grader.

22. ## Math

Given (a+2,a-2)= a for all integers a, (6,2)= a) 3 b) 4 c) 5 d) 6 e) 8 The cost of a drive-in movie is \$y per vehicle. A group of friends in a van shared the admission cost by paying \$0.40 each.If 6 more friends had gone along,everyone would have paid only

23. ## chemistry

calculate the percentage of FeSO4 in sample Y

24. ## Trigonometry

Simplify i^45. A. 1 B. i C. –1 D. –i

25. ## chemistry

determine the mass of FeSO4 in sample Y that you use

26. ## chemistry

determine the number of moles of FeSO4 in sample Y that you use

27. ## math

#Algebra 2 Help Please?! If f = (1, 2), (2, 3), (3, 4), (4, 5), g = (1, -2), (3, -3), (5, -5), and h = (1, 0), (2, 1), (3, 2), find the following and state the domain: 2a.f+g 2b.f-g 2c.f(times)g 2d.f/h 2e.g o f o h Let f(x)=|x-5| and g(x)=1/x . Write the

28. ## chemistry

determine the concentration of Fe2+ ion the prepared solution

29. ## chemistry

why did the solution turn to pink at the end of the titration ?

30. ## math-law of sins

solve the triangle: 1. A= 61 degrees a=8 b=21 2. A=136 degrees a=15 b=28 3. C=115 degrees b=12 c=7 For all of these problems I used law of sins and when I input it into my calculator I get domain error after doing sin inverse to get an angle degree. What

31. ## math

what is the area of a regular hexagon inscribed in a circle with area of 9?

32. ## chemistry

Using the given data, and the table of Standard Reduction Potentials, find the standard reduction potential for this half reaction: 8H^+ + BaCrO4(s) + 3e- -> Ba^2+ + Cr^3+ + 4H2O(l) given: Ksp (BaCrO4)=2.1E-10 DeltaGf* (kJ/mol): CrO4^2- (-727.75), Cr2O7^2-

33. ## Mat0099

Solve using the addition principle. 5=x+4

34. ## Ms. Sue

Hi Ms Sue! I Jusk wanted to check if i was right. I have to write how the exterior of St. Sernin, differs or shares similar designs from the interior. I said that they both have round arches. Is that good ?

35. ## AP World History

Why were spirits an important staple in Colonial America?

36. ## Computer Programing

Assignment 1: chocolate Delights candy company, part 1

37. ## AP World History

How did rum play a role in the American Revolution?

38. ## Informal Logic 103

Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use

39. ## apush leisler rebellion

James II became King of England in 1685 and New York became a royal colony. James II decreed the formation of the Dominion of New England in 1686 and added the colonies of New York and New Jersey in May 1688, designating New York City as the capital. In

40. ## Math

What are the 3 solutions? I'm stuck! 6x=15(mod 21) a=6,m=21,b=15 d=gcd(6,21)=3 solns. 6x=15(mod 21) 2x=5(mod 7) 21=6(3)+3 6+3(2)+0 0=6-6 6-(21-6(3))=3 6-21+18=3 6( )-21()=3 (21-6(3))(15)-6=3 ???????

41. ## essay

choose the most effective thesis from the following A i learned a valuable lesson B life is full of valuable lessons C the saying honesty is the best policy is a valuable life lesson D valuable lessons are inportant i life? i chose D

42. ## Statistics

Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of

43. ## math

does it take more pressure to push water up a vertical pipe than the same pipe on a 45 degree incline

44. ## chemistry

Calculate the following quantities. (See the periodic table.) (a) mass, in grams, of 2.54 10-2 mol of CdS g (b) number of moles of NH4Cl in 90.0 g of this substance mol (c) number of molecules in 5.081 10-2 mol C6H6 molecules (d) number of O atoms in 4.72

45. ## social studies

If a bow with a draw weight of 60 kilograms were to fire at someone 5 meters away but the user had to roll first before drawing back and firing two arrows. Would the target have enough time to dive for cover behind a rock?

46. ## philosophy

what would an example of how C.Wright Mills ethical theory might work

47. ## language

Even though, it is almost summer we still have overcast skies and light rain.

48. ## physics

what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.

49. ## physics

what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.

50. ## Math

Noting that 666=2x3^2x37, find phi(666) using Euler Theorem.

51. ## Math

Find the units digit in 23^7777 by looking for mod 10.

52. ## math

In how many districts ways can the letters in ENGINEERING be arranged?

53. ## Algebra 1B

Please help I am so confused... Question: supposed that y is directly proportional to x. a) use the given info to find constant of proportionally k. b) then use y=kx to find y for x=6 y= -62 when x=5 Please help.. thank you this is all I have so far. not

54. ## chem

What is the entropy change to the surroundings when 1 mol of ice melts in someone’s hand if the hand temperature is 32°C? Assume a final temperature for the water of 0°C. The heat of fusion of ice is 6.01 kJ/mol. a. –188 J/K d. b. –22.0 J/K c.

55. ## Dynamics

A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of stone as 9.81 m/s2. And taking that as constant, determine a) the velocity v and elevations sy of stone above the ground at any

56. ## World History

What empire did Europeans come to eye like greedy creditorys around a rich man's deathbed?

57. ## Literature

Great literature is educational because it A. allows you to simply observe and analyze. B. helps you draw on ideas you already have. C. won't challenge your beliefs. D. teaches rather than entertains. B?

58. ## maths

find two even integers(numbers) so that the square of the smaller is 10 more than the larger one

59. ## Algebra

Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2

60. ## math

What is the difference in pressure needed to lift water 15ft in a three inch pipe on the vertical and the pressure needed to push water 15ft in a 3 inch pipe on a 45 degree incline?

61. ## maths

the length of a rectangle is twice its width, the area is 72sq inches,find its dimensions(find length and width)

62. ## Statistics

A random sample of customer incomes yields a mean income of \$35000 with a standard deviation of \$4500. Assume that the distribution of the incomes in normal. What income range would include 90% of the most popular incomes?

63. ## Math

A delivery service charges a base price for an overnight delivery of a package plus an extra charge for each pound the package weighs. A customer is billed \$22.85 for shipping a 3-pound package and \$40 for shipping a 10-pound package. 1.) Write an equation

64. ## English

Help analyze this poem Amok He weaves his wife's limbs With those of her startled lover's. His sight grows dim as the flowered Sheets darken. His ears pound with heart's Hooves, the hoots and footstomping Of drinking mates who swear They would do the same

65. ## Algebra

Can someone help me with this please. Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x) but when melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x)she got 20x^3-48x^3+32x thus Andrews solution does not appear to

66. ## algebra

The perimeter of a rectangle garden is 80m oits length is 4m more than 5 times its width, find the dimensions of the garden

68. ## Math

If point A is (-3,-2) and point B is (5,5) then what is the length of segment AB to the nearest tenth?

69. ## math

0.000006 show division

70. ## Math

what does x reduce to???? 6x=15(mod 21) 2x=5(mod 7) x= ?(mod)7

71. ## Literature

In Act 5 of "The Tempest", why didn't Prospero tell Alonso about Antonio and Sebastian's plans to kill him? And because of his decision not to, what adjective would best describe Prospero?

72. ## math

the length of a rectangle is 2 inches less than 8 times the width. the perimeter is 194 inches..find dimensions

73. ## math

the sum of two numbners is 143. on of the numbers is 3 more than six times the other number..find the two number and show work

74. ## law/421

whether the First Amendment to the U.S. Constitution protects defamation. the relationship between the First Amendment of the U.S. Constitution and censorship when doing business?

75. ## law/421

How does the strict liability doctrine apply to business corporations? Provide examples and explain how your example demonstrates the strict liability doctrine that applies to business corporations.

76. ## Math

The percent decrease from 5 to 4 is how much less than the percent increase from 4 to 5? A. 0% B. 5% C. 15% D. 20% E. 25%

77. ## algebra

find a if the line through (9,6a)and (15,a) has the slope -5/3..show work

78. ## math

a certain variety of strawberry plant sends out an average of 5 new runners per plant each year. If you planted 20 of these plants, how many strawberry plants would you have after 4 years?

79. ## chemistry

Find the number of disintegrations per minute emitted by 1.1 mol of 232-Th in 1 min. The half-life of 232-Th is 1.4 x 1010 year I was able to do this with the following technique: 1.1 x 6.022 x10^23 =6.62x10^23 1.4x10^10=7.358x10^15 minutes I think then it

80. ## math

A small group of employees in a company get viruses on their computers. Every hour, each computer infects one other computer. If it takes 8 hours for 100 computers to be infected, how long would it take for only 50 computers to be infected?

81. ## math

A man has \$32 and decides to plant a garden. He cannot stand the thought of spending all of his money on any single day, so each day he goes to the store and spends half of his money on tomato plants. When he no longer has enough money to buy additional

82. ## math

An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that know the rumor doubles

83. ## math

A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. Which of the following sequences of selected

84. ## Human Services

I am doing an assignment on program planning and evaluation. In the last section of the essay I am supposed to identify the technical aspects that my fictional domestic abuse recovery organization may run into. I do not understand what a technical aspect

85. ## PSY

On p. 84 of the text, in the Thinking Clearly section, the conduction action potentials and activation of neurotransmitters is related to a row of mousetraps on a wobbly shelf. Think of your own original analogy you can use to describe the conduction of

86. ## statistics

A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. Which of the following sequences of selected

87. ## french

Is the Plus-que-parfait tense the same as perfect tense in English?

88. ## Law/421

Sam is a high school math teacher. And, Becky is a student in his math class. During parent-teacher conferences, "Teacher Sam" tries to intimidate Becky's parents by telling them: "I'll teach your daughter math during class if you give me \$1000." Is this a

89. ## math

Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?

90. ## math

A can of paint and a paint brush cost a total of \$35. If the can of paint costs \$30 more than the paint brush, how much does the paint brush cost?

91. ## math

A woman goes to a store that sells used books and spends half of her money on books. Each day, she returns to the store and again spends half of her remaining money on books because she does not want to spend all of her money in one day. When she no longer

92. ## math

•Give two (2) reasons why Venn diagrams can be useful in explaining relationships

93. ## Math

Prove that if gcd(m,n)=1 then m^phi(n)+n^phi(m)=congruent 1 (mod mn)

94. ## Math

A farmer wants to fence in part of her land so that her chickens will have their own little area. If she only has 28 feet of fence, what is the area of the largest pen that she can build in square feet?

95. ## Math

Find the remainder when 13^18 + 19^12 is divided by 247.

96. ## Math

A rectangular sandbox has a length of 60 inches, a width of 40 inches, and a depth of 6 inches. What is the volume in cubic inches?

97. ## math

Solve n + 1 = -4

98. ## Calculus AP

hi again im really need help TextBook: James Stewart:Essential Calculus, page 311. Here the problem #27: First make a substitution and then use integration by parts to evaluate the integral. Integral from sqrt(pi/2) TO sqrt(pi)of θ^3 cos(θ^2)dθ. i did

99. ## CHemistry- For Dr.Bob

Hey Dr.Bob, I asked two days ago a question about a titration lab I had that you answered, but I still have one more question about that lab. Here's the lab summary: For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an

100. ## marketing

Suppose that you've been hired by a local independent bookstore to help its owner win back customers lost to a large bookstore chain. Design and outline a plan to win back the store's lost customers and rebuild those relationships.

101. ## calculua

describe the system. x+4y=1 and 3x+8y=2

102. ## Geography

You are lying down on your bed in the dorm, which measures 3 feet by 6 feet. Calculate the pressure in psi (lbs / sq inch) your body exerts, spread out upon the total area bed. 1 foot = 12 inches.