# Questions Asked onAugust 5, 2013

1. ## Microeconomics

A perfectly competitive industry has a large number of potential entrants. Each firm has an identical cost structure such that long run average cost is minimized at an output of 10 units (qi=10 ). The minimum average cost is R5 per unit. Total market

2. ## chemistry

The instruction booklet for your pressure cooker indicates that its highest setting is 13.5psi psi . You know that standard atmospheric pressure is 14.7 psi \rm psi, so the booklet must mean 13.5psi psi above atmospheric pressure. At what temperature in

3. ## Chemistry

Window cleaner contains ammonium hydroxide. A 10.00 mL sample of window cleaner is titrated with 38.5 mL of 0.311 M hydrochloric acid. what is the molarity of the ammonium hydroxide in the window cleaner?

4. ## Physics

A car travels at a speed of 25 m/s on a flat stretch road. The driver must maintain pressure on the accelerator to keep the car moving at this speed. The car's engine is doing work on the car, yet the kinetic energy of the car is not changing. What is

5. ## Chemistry

Select the true statement below. A. a spontaneous redox reaction equation will have the stronger oxidizer and stronger reducer as products B. a salt bridge should contain ions that will participate in the redox reaction C. in a voltaic cell, the difference

6. ## algebra

can yu help me solve my algebra problems jiskha/ I use to get help from you a year ago

7. ## algebra

can yu help me solve my algebra problems jiskha/ I use to get help from you a year ago

8. ## physics

a feather is dropped on the moon from a height of 1.4 meters.the acceleration of the moon is 1.67 m/s determine the time for the feather to fall on the surface of the moon

9. ## Physics

If you look at yourself in a shiny Christmas tree ball with a diameter of 10.5 cm when your face is 35.0 cm away from it, (a) where is your image? (b) Is it real or virtual? (c) Is it upright or inverted?

10. ## physics

I am having a really hard time figuring this question out, would somebody be able to help me? Imagine a giant dry-cleaner's bag full of air at a temperature of -35∘C floating like a balloon with a string hanging from it 12km above the ground. Estimate

11. ## Calculus

The function f(x) = (9 x+2)e^{-6 x} has one critical number. Please help me find the critical number!

12. ## Physiology

What are the different nuances of meaning associated with the expressions brain damage and central nervous system impairment?

13. ## physics

a feather is dropped on the moon from a height of 1.4 meters.the acceleration of the moon is 1.67 m/s determine the time for the feather to fall on the surface of the moon

14. ## Physics

A car travels at a speed of 25 m/s on a flat stretch road. The driver must maintain pressure on the accelerator to keep the car moving at this speed. The car's engine is doing work on the car, yet the kinetic energy of the car is not changing. What is

15. ## Chemistry

A Rolaids tablet contains calcium carbonate to neutralize stomach acid. One Rolaids tablet requires 44.55 mL of 0.448 M hydrochloric acid to convert its calcium carbonate into calcium chloride, carbon dioxide and water. How many grams of calcium carbonate

16. ## Dr. Bobb222

When you get a chance: If the pure liquid vapor pressure of benzene is 155 torr and the pure liquid vapor pressure of chloroform is 333 torr, then what is the total vapor pressure at 30°C of a solution of 9.26 g of benzene (C6H6) and 4.26 g of chloroform

17. ## Algebra

The area of a circle is approximately 3.14 times the radius squared. WHich of the following expressions is a correct way to write this , if the radius is 3x ?

18. ## economics

discuss tourism as a factor facing obstacles to contributing towards economic development in south africa

19. ## Chem

A 20.00−mL sample of an unknown HClO 4 solution requires titration with 22.92mL of 0.2200M NaOH to reach the equivalence point. What is the concentration of the unknown HClO 4 solution? The neutralization reaction is: HClO 4 (aq)+NaOH(aq)¨H 2

20. ## english

could you fill in the blank with a suitable preposition : The boat will carry you ___ the river

21. ## accounting

On January 1, 2012, White Water issues $500,000 of 6% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Assuming the market interest rate on the issue date is 5%, the bonds will issue at$562,757.

22. ## Math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 33 said they drove alone. 31 rode in a carpool. 37 rode public transportation. 9 used both carpools and public transportation. 6 used

23. ## bio 106

List foods that you find in the store from each plant part listed below: a. roots or underground stems b.leaves c.seeds or nuts d.. flowers or flower bud e.fruits f. aboveground stems

24. ## bio 106

Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look

25. ## bio 106

Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from. name the culture, the food or product and the plant used to make it. its a research

26. ## Math

Shania is having trouble understanding her algebra assignment. To help her understand, she asks Mark why is not equal to . Which of the following responses would be best for Mark to give?

27. ## Calculus

Find the equation of the tangent line to the curve x^(3)+3xy+y^(3)=1 at the point (1,0).

28. ## Math

Sam is four years younger than Jason. In four years, Jason will be twice as old as Sam is now. How old is Sam?

29. ## accounting

On January 1, 2012, White Water issues $500,000 of 6% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Assuming the market interest rate on the issue date is 5%, the bonds will issue at$562,757.

30. ## Science

calculate the ratio of the area to the volume for a unit cube a unit sphere inscribed inside the cube and a right cylinder incribed inside the cube

31. ## Calculus

Let f(x)=-x^2+3x on the interval [1,3]. Find the absolute maximum and absolute minimum of f(x) on this interval.

32. ## Physics

Dust particles are trapped on a surface. There are two energy levels particles can be in: absorbed on a surface with zero energy, and wiggling with energy E=3/2kT. However, since the surface area is limited, not all particles can be in any state. There are

33. ## Calculus

Let f(x)=|x+1|/(x^(2)-1). Is f continuous? If not,classify any points of discontinuity as infinite, jump, or removable. Sketch the graph of y=f(x) for -4

34. ## Grammar

Which is correct? We hadn't talked for a long time. OR We haven't talked for a long time. I think the second one.

35. ## Algebra

I have to solve an inverse function. f(x)=x+6 and g(x)=x+6 f(x)=1/4x,x is equal to or not equal to 0 g(x)=1/4x,x is equal to or not equal to 0 Please help me I have been on this one problem for hours and I can't get it. This one question will determine

36. ## bio 106

Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look

37. ## bio 106

k list various types of ethnicities and their food or products and plants used to make them

1000 dust particles are trapped on a surface. There are two energy levels the particles can be in: absorbed on the surface in a zero energy state, or excited with energy E1. At a certain temperature T0, the particles are in thermal equilibrium, and 20 % of

39. ## children who require special treatment

most professionals agree that much of the major emotional business of the child iscompleted by the age of? a.two b.three c.five d.ten my answer is c a prime example of a preventable handicap is? a.epilepsy b.spina bifida c.phenylketonuria d.mongolism my

40. ## chemistry

A scientist makes 300.0 mL of an acetate buffer using [CH3COOH]o=[NaCH3COO]o= 0.075 M. How many mL of 5.0 M NaOH can be added before its buffering capacity is exhausted?

10. Which of the following includes the options Select, Replace, and Find? A. Editing group B. References tab C. Review group D. Windows button

42. ## Math

At Uriah's coffee shop, the amount of ground coffee beans left in stock on a given days a function of the amount of coffee sold that day. If "c" is the number of cups of coffee sold, and "z(c)" is the number of ounces of ground coffee left in stock, then

43. ## maths

Determine the equation of a straight line passing through (3,-1) and parallel to 2y-6x=1

44. ## Microeconomics

Suppose that the demand functions for price increases and for price cuts facing an oligopolist are, respectively, Q1=560-80p1 and Q2=200-20p1 Suppose that the firm’s total cost function is TC=4Q+0.050Q^2 3.1 Derive the MR1, MR2 and MC functions facing

45. ## Algebra

On my last post I forgot to add that I need to know if they are inverses of each other.

46. ## Math

The perimeter of a rectangle is 36ft. the length is 10ft. longer than the width find the dimensions. Write a system linear equation an solve the resulting system let x be the length and y be the width.

47. ## accounting

The t/p bill for this month was 200,the company will pay it next month what is the journal entry for this?

48. ## Accounting

When a not-for-profit facility receives a contribution from a member of the community, the cost of the capital is inconsequential when deciding how to use the contribution, because it is, in effect, free money.” Yes

49. ## bio 106

. Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from:

50. ## Math

The perimeter of a rectangle is 42ft. The length is 7ft. longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let X be the length, and Y be the width.

51. ## Math

I would like to know if I got this problem correct. The perimeter of a rectangle is 42ft. the length is 7ft. longer than the width find the dimensions. Write a system linear equation an solve the resulting system let x be the length and y be the width.

52. ## Math

laura can paint a house in 4 hours and lucky can paint a house in 2 hours. How long would it take for Laura and Lucky to paint a house together?

53. ## Math

Pedro has two options: he can enter raffle number 1, OR raffle number 2 along with raffle number 3. If Pedro chooses to enter raffle number 1, he can buy up to 100 raffle tickets. Each ticket has a 1 in 50 chance of getting selected. If Pedro chooses

54. ## phi103

a person who is shown his or hr arument commits a fallacy should

55. ## math

find the GCF 87h^14t^16,6h^2t^27,15h^6t^28

56. ## math

how do i factor 27x^3-21x^2y+108x^2-84yx

57. ## math

Round 33.582 to the nearest tenth.

58. ## Maths

Pls help me to show that (1+root x)^5= 10 root x + 20x root x + 2x^2 ]oot x.

59. ## Algebra

True or False and please explain so that I can understand. 1. The rationalized form of 125 over the square root of 14 involves no radicals. 2. The radical square root of 4 cannot be used to rationalize the denominator of any radical number.

60. ## Calc

The linear approximation at x = 0 to f(x) = \sqrt { 3 + 3 x } is y = Please Help!

61. ## Calculus

Find the linear approximation of f(x)=\ln x at x=1 and use it to estimate \ln 1.47.

62. ## Calculus

Consider the function f(x) = x^4 - 72 x^2 + 3, -5 less than or equal to x less than or equal to 13. This function has an absolute minimum value equal to and an absolute maximum value to

63. ## adolescents and other problems

the notion that much behaviour is internal has been specifically championed by all of the following except? a.freud b.pavlov c.bandura can someone please help me

65. ## Chemistry

What is the minimum amount of 5.9M M H 2 SO 4 necessary to produce 26.7g of H 2 (g) according to the following reaction? 2Al(s)+3H 2 SO 4 (aq)¨Al 2 (SO 4 ) 3 (aq)+3H 2 (g)

66. ## Calculus

Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y=75x - 250 What is the approximation for 4.6 ^3?

67. ## Calculus

Find the domain, range, and inverse of the function f(x)=arcsin(sqrt(x))

68. ## Physics

Rotating cylinders are not just physical abstractions: for example, they can turn a flow of the air, thus creating lift as the airplane wings. Historically people have even used rotating cylinders to power ships (although with little efficiency). NASA

69. ## SAT math

In the figure shown above (its a right triangle), points G, H, and I in the xy-plane have coordinates of (0,2), (2,8) and (8,n), respectively if GH=HI what is the value of n?

70. ## Calculus

Find the derivative: y=x^(sin(x))

71. ## Math

on Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of "s" inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a

72. ## mathematics

Determine the equations of a straight line passing through (-6;-2) and pependicular to 3x+2y=6

73. ## health

__________ offers the advantage of reducing the amount of loose filing quickly. A. Batch B. Drop C. Volume D. Unit

74. ## Calculus

Let f(x) = \sqrt[3] x. The equation of the tangent line to f(x) at x = 8 is y = (1/12)(x-8)+2. Using this, we find our approximation for sqrt[3] {8.1} is ?

75. ## Calc

Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y= 75x - 250. Using this, we find our approximation for 4.6 ^3 is ?

76. ## math30

A security code used to consist of two odd digits, followed by four even digits. To allow more codes to be generated, a new system uses two even digits, followed by any three digits. If repeated digits are allowed, the increase in the number of possible

77. ## mathematics

Determine the equations of a straight line passing through (-6;-2) and pependicular to 3x+2y=6

78. ## Math

3 DIVIDED BY 562.0 SHOW ALL STEPS LONG DIVISION