Questions Asked on
October 25, 2008

  1. physics

    The sun rotates around the center of the milky way galaxy at a distance of about 30,000 light years (1ly= 9.5*10^15m). if it takes about 200 million years to make one rotation, estimate the mass of our galaxy. Assume that the mass distribution of galaxy is

    asked by jason
  2. Calculus

    A rectangular swimming pool is to be built with an area of 1800 square feet. The owner wants 5-foot wide decks along either side and 10-foot wide decks at the two ends. Find the dimensions of the smallest piece of property on which the pool can be built

    asked by George
  3. math

    Suppose that ln2 = a and ln3 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln8

    asked by Kristina
  4. accounting

    Kiddy Toy Corporation needs to acquire the use of a machine to be used in its manufacturing process. The machine needed is manufactured by Lollie Corp. The machine can be used for 10 years and then sold for $11,000 at the end of its useful life. Lollie has

    asked by ryan
  5. Math pizzaz pre algraba

    What magic tricj dies Mr.Utterbunk perform ever evening

    asked by kate
  6. College Chemistry

    Why must we add sodium bicarbonate (NaHCO3) to DCPIP/DPIP indicator (Dichlorophenol indophenol)when titrating juice for Vitamin C?

    asked by Delphine
  7. Physics

    Two strong magnets on opposite sides of a small table are shown. The long-range attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 26.1 N, the weight of each magnet is 8.99 N, and the magnetic force on

    asked by Anonymous
  8. Physics...not sure what formula to use

    A 2.0kg bag is held by a string to the ceiling. A 10g bullet travelling at 200m/s strikes the stationary bag. The height of the bag after the collision is 10cm, assuming there is no friction, determine the speed, in m/s, of the bag after the collision.

    asked by Bobbie
  9. drwls please read

    i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be

    asked by Tony
  10. Maths - Polar Coordinate Systems

    I've received an assignment to investigate the polar coordinate system compared to the cartesian one. Theres a question that asks you to investigate into how to convert polar coordinates into cartesian. From my text book, I know in Polar coordinates, that

    asked by BM
  11. Gen Chemestry

    A 27.6 ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4 mg. The vapor pressure of water is 21 torr. a) What is the pressure of the chlorine gas? b) How volume does the chlorine gas occupy? c) How many

    asked by Roth
  12. math

    Suppose that ln7 = a and ln8 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln root5(56)

    asked by Kristina
  13. Science

    Help answer this riddle please-- It survives to this very day,it helped T-Rex capture prey. Thanks

    asked by Trisha
  14. Gen Chemestry

    How many pounds of carbon dioxide are produced from burning one gallon of gasoline? assume gasoline is 100%, and the density of octane is .78g/ml.

    asked by Roth
  15. Physics

    A block slides down a frictionless plane having an inclination of 14.3°. If the block starts from rest at the top and the length of this incline is 1.77 m, find the acceleration of the block.

    asked by Lucy
  16. math - so confused can you help me

    The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You

    asked by Brandon
  17. Psychology

    In the nature vs. nurture debate, what are some arguments that side with genetics (nature) being more influential on human development than human environment and experience (nurture)?

    asked by Chrissy
  18. english

    In the story "Lamb to the Slaughter", what was Mary Maloney's habits?

    asked by roheena
  19. Physics

    Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 4.30 kg steelhead trout to the tail of the 1.39 kg carp. To show the fish to a friend, he lifts upward on the carp with a force of 87.7 N. What is the tension of the rope

    asked by Lucy
  20. math same question as before with new questions to

    The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $24 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You

    asked by Brandon
  21. Algebra

    I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the steps. I was wondering if someone would be willing to answer these questions, because I am unsure if my answers are right. x to the third

    asked by Alexandria
  22. math

    Express y as a function of x. The constant C is a positive number. ln y = ln x + ln C

    asked by Kristina
  23. Math

    The ratio of seven dimes to three quarters. It wants me to write this ratio in simpliest form. I really need to understand how to do this. I have a few more like this that I have to do. Thank You

    asked by Amanda
  24. physics

    A aeroplane with a mass of 9940 kg completes a vertical loop of radius 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?

    asked by mike
  25. Math: unting and permutations

    hi all, thanks in advance for the help How many even integers between 4000 and 7000 have 4 different digits? So, started by knowing "even integers" so know the last of the four has to be one of 2,4,6,8 or 0. (this might be the last part of this whole

    asked by courtney's dad
  26. physics

    A 3.2 kg block sits on a frictionless table that has a hole cut in the middle of it. The 3.2 kg mass is connected to a string that goes through the hole in the table and attaches to a 4.8 kg mass. The 3.2 kg mass moves in a circle of radius 0.2 m How fast

    asked by mike
  27. math

    Express y as a function of x. The constant C is a positive number. ln y = 9x + ln C

    asked by Kristina
  28. english poetry

    The poem Tyger Tyger What is it about? thanks tabby xx

    asked by tabby
  29. Physics forces

    i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be

    asked by Tony
  30. Dog Breeds

    Please check my answer thanks What are the two types of hair that make up a dog's coat? A. Outer guard and undercoat B. Under guard and topcoat C. Dense layer and outer layer D. Thick coat and thin layer I think it is B because based on the Anatomy of

    asked by Copailia
  31. physics

    the period of a comet is 100 years. At ists closest approach(perihelion), it is 0.37 AU from the sun. What is the semi-major axis of the comet's orbit? How for does it get from the sun(what is its aphelion distance)?

    asked by jason
  32. Criminal Justice

    As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a drive-by shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a low-income neighborhood. A

    asked by Kaley
  33. Calculus

    Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or

    asked by George
  34. World History

    Why were the early cars expensive?

    asked by Tizita
  35. math

    The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You

    asked by Lily
  36. Algebra

    Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what

    asked by PJ
  37. Physics

    d. Now you pull your sister across the floor so that she moves with increasing speed (accelerates). Compare the magnitude of the force exerted by you on your sister, with the magnitude of the force she exerts on you. Are they the same or different? If they

    asked by Tony
  38. Physics

    a)An object on a frictionless surface forms an angle of 27° with the horizontal. The object is pushed by a horizontal external force such that it moves with a constant speed. If the mass of the object is 72.3 kg, calculate the magnitude of the external

    asked by Anonymous
  39. College Physics

    Let's say you measure an average acceleration to be 0.3883 ms-2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs.

    asked by Robert
  40. Biology

    For a project, I have to make a food example of Smooth ER. My idea is a cake, frosted with fruit rollup as the smooth er, but that doesn't really show the funciton. (For example, jello shows the function of cytoplasm)

    asked by Anonymous
  41. Physics

    Forces of 10.4 N north, 19.7 N east, and 15.3 N south are simultaneously applied to a 3.73 kg mass as it rests on an air table. a)What is the magnitude of its acceleration? b)What is the direction of the acceleration in degrees? (Take east to be 0 degrees

    asked by Anonymous
  42. physics

    A aeroplane with a mass of 9940 kg completes a vertical loop of radius 596m with a speed of 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?

    asked by mike
  43. algebra - Help!

    The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You

    asked by Kate
  44. com220

    Imagine you are talking with a student who does not know how to identify the thesis in this article AIDS in Africa: Dying by the numbers. What suggestions might you propose to help the student understand the task at hand?

    asked by lynn
  45. com220

    For your final research paper, it will be helpful to include counter-arguments. Did Christensen use any counterarguments in his article? Were they needed to advance his thesis? AIDS in Africa: Dying by the numbers.

    asked by lynn
  46. com 140

    Write a letter to one party, a memo to one party, and an email to one party. Each communication must be a maximum of 250 words

    asked by MIKE SMART
  47. Calculus (Global Max)

    Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or

    asked by George
  48. Dog Breeds

    Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

    asked by Copailia
  49. math

    How do i find the input and out put of these numbers input output 25 15 30

    asked by marcia
  50. accounting

    I NEED HELP; I'M LOST Trader sells 15 units for $25 each on December 15. Eight of the sold units are from the December 7 purchase and seven are from the December 14 purchase. Trader uses a perpetual inventory system. Determine the costs assigned to the

    asked by Girlie
  51. Finance

    i Craig: I am already having trouble understanding Chapter 6, problem 2 on page 207 of textbook. I am currently on week 3 of the FIN 200 class. The problem reads as follows: If you require a 9 percent return on your investments, which would you prefer? a.

    asked by Reba
  52. ENGLISH

    I've been given this question for the novel THE GREAT GATSBY and have been stuck on how to answer it for hours. "Boy meets girl...boy loses girl" this novel is merely another love story. to what extentdo you share this opinion of the novel? Im not sure how

    asked by ANNABELLE
  53. math

    An appliance dealer marks up refrigerators 15% (based on cost). If the cost of one model is $600, what should its selling price be? I'm not very good at percent please help

    asked by Shavona
  54. Math

    write 109 3/4 as a decimal write 0.3246 as a percent

    asked by James
  55. Pre-Calculus

    How do I solve: sin theta = -1 for all real values of theta?

    asked by Mary
  56. Geometry

    The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?

    asked by ?
  57. math

    how many 5-digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 1-9 and the other 3 0-9. thanks again for the time and effort. oh, and if any of you fine folks have the time could you

    asked by courtney's dad
  58. science

    I am in seventh grade. I need to draw the structure of a lipid, protein, carbohydrate. Is there a simple way to draw these? Thank you.

    asked by rochelle
  59. geometry

    What solid figure do u get when u rotate a right triangle about 1 of it's leg?

    asked by ?
  60. Spanish

    When do you use Ser vs Estar? is there some kind of memory tool I can use?

    asked by Ramiella
  61. Dog Breeds

    Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a high-rise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A

    asked by Copailia
  62. Algebra--Really need help!

    Here is the problem that I need to solve: y = ab - ac ² (that is a second power symbol if you can't tell). I need to solve the problem for a. Thank you!

    asked by Celina
  63. english

    do you think that ease does not callenge us and that we need adversity to help us discover who we are?

    asked by Anonymous
  64. math

    how do i do distributive property math problem ?

    asked by michela
  65. language and Diversity

    How do schools meet the needs of the ELL students without breaking state laws?

    asked by sally
  66. Geometry

    The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?

    asked by ?
  67. History

    Do you agree with Darwin's idea of natural selection. Why or why not. Give minimum of 3 examples. thanx

    asked by Maryanne
  68. Math

    The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?

    asked by James
  69. Book Report Poster

    Where can I find "How to do a Book Report Poster".

    asked by Patty
  70. Algebra

    Here is the problem that I need to solve: y = ab - ac (to the second power). I need to solve the problem for a. Thank you!

    asked by Celina
  71. physics

    a 9.9*10^23 kg planet orbits a star in a circular orbit. The planet is 5.6 AU away from the star and has an orbital velocity of 32 km/s. What is the mass of the star. (1AU = 1.496*10^11m)

    asked by jason
  72. Math

    Use properties of logarithms to find the exact value of this expression. Do not use a calculator. 6log6 8 - log6 7

    asked by Kristina
  73. math

    Solve this equation. Verify your solution using a graphing utility. log_a(x - 1) - log_a(x + 6) = log_a(x - 2) - log_a(x + 3)

    asked by Kristina
  74. science

    How bad are lice really for your health and can they cause any major diseases?

    asked by mysterychicken
  75. math

    THIS IS SYSTEM OF EQUATIONS:SUBSTITUTON Y=2X-8 X-Y=2 I KNO THAT U COMBINE SO IT WILL BE X-2X-8=2 WHICH WLL BE 3X-8=2 BUT I DON'T KNO HOW TO FINISH TH REST......CAN SOMEONE HELP ME....... IF DID SOMETHING WRONG PLEASE TELL ME

    asked by kris
  76. english

    How does Marry Maloney looks like in the story "Lamb to the Slaughter", and what are her habits in the story?

    asked by roheena
  77. seventh grade science

    what is a monomer what is a polymer what is the structure of a protein

    asked by david
  78. French

    if I want to say "with some other people" in French, is it supposed to be "avec des autres gens" or "avec d'autres gens?" Merci

    asked by RC
  79. US History

    Does the scientific evidence strongly suggesting that Jefferson did father Hemings's children alter your perception of Jefferson?

    asked by Mike
  80. math

    How do i find the input and out put of these numbers input output 25 15 30 18 35 21 40 24

    asked by marcia
  81. com220

    Emotional Appeal has no place in expository writing. Do you agree? Why, Why not?

    asked by lisa
  82. business law

    I need help with 10 short answer questions

    asked by jarvis
  83. english

    Identify and name any rhetorical

    asked by sharon
  84. Finance

    The Mutual Assurance and Life Company is offering an insurance policy under either of the following two terms: a. Make a series of 12 payments of 1,200 at the beginning of each of the next 12 years (the first payment being made today) b. Make a single

    asked by Angel
  85. com220

    In what ways are full-sentence outlines more beneficial than topic outlines? 2. What steps will you take to turn your outline into the body of your rough draft?

    asked by lynn
  86. Math

    what percent of 920 is 598

    asked by Shavona
  87. algerba

    A triangle has base 14 feet (ft) & an altitude of 6 ft. Find its area

    asked by Stephaine
  88. English

    I have a paper due tomorrow and I need to include my personal interview, how would I do this in APA format? Any help would be greatly appreciated.

    asked by Noah
  89. Dividing fractions

    how do i do 3 and 3/4 divided by 12 and 1/2 plz help

    asked by kate
  90. math

    Solve this equation. Verify your solution using a graphing utility. log_1/3(x2 + x) - log_1/3(x2 - x) = -1

    asked by Kristina
  91. college

    If preferred stock was issued at 50 dollars a share at 8% annual interest rate what would be the annual yeild?

    asked by DENNIS
  92. intrest groups-gov and pol

    Define the term "dirty dozen" i found two definitions online is it : The US state department hit list of the 12 most wanted in Saddam's regime, including his sons Uday and Qusay, or The list of the twelve most persistent organic pollutants (POPs) banned at

    asked by Beth
  93. business

    the shortcoming of historical cost accounting when price are changing

    asked by osai
  94. 4th grade

    I WAS GIVEN HOMEWORK AS A GROUP DISCUSSION ON PARKS AS A PUBLIC PROPERTY. I WANT INFORMATION ON THIS TOPIC TO SAY IN THE CLASS TOMORROW.

    asked by abdul rahman
  95. math

    the minimum size dance floor that the prom committee is considering 30 by 30 . they assume that this size will allow 100 couples to be on the dance floor at once. how many square feet of dance space per couple does this size allow?

    asked by thao
  96. math help needed

    the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....

    asked by alisha
  97. Dog Breeds

    Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

    asked by Copailia
  98. Cultural diversity

    Explain the difference between Muslims and Arabs

    asked by L
  99. math urgent help needed

    the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....

    asked by Anonymous
  100. rudcing fractions

    how would i reduce 45/108 or make it a mix numberb

    asked by kate
  101. Math

    Identify the rate in the following statement: 75 is 15% of 500 A) 75 B) 500 C) 15%

    asked by James