Questions Asked on
August 29, 2014

  1. chemistry

    Gallium is a metal with a wide variety of uses. Some of its applications include computer memory chips, light emitting diodes and lasers. Radioactive isotopes of gallium are used to image the human body and locate tumors. Naturally occurring gallium

    asked by billy
  2. math

    8. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment?

    asked by stacey
  3. Language Arts - Please Check My Answers

    Please help with the following: 1. Based on the myths “The Maori: Genealogies and Origins in New Zealand” and “The Raven and the First Men: The Beginnings of the Haida,” one way the Maori culture most differs from the Haida culture is that the

    asked by Brady
  4. algerbra

    A gym membership costs $25 to join and $14 each month. Write and use an algebraic expression to find the cost of the gym membership for 6 months.

    asked by shy gurl
  5. Science

    Why do scientists use standard units of measurement? A.Because their tools only measure in these units. B.Because other units are either too small or too large to work with. C.So they can communicate findings without confusion. D.So that people who are not

    asked by Gwen
  6. algebra 2

    the formula c=5/9(F-32) gives the temperature in degrees celsius for a given temperature in degrees fahrenheit. what is the temperature in degrees celsius when the temperature is 68 degrees fahrenheit. c=5/9(f-32) c=5/9 (68-32) c=5/9(36)=20

    asked by reina
  7. P.E

    Self-actualization means that you focus on yourself all the time. True False Is the answer False?

    asked by Gwen
  8. Chemistry

    How many moles of aspirin C9H8O4, are in a bottle comtaining 450g by weight? (The approx atomic weights are C=12, H=1, O=16)

    asked by dovile
  9. maths

    A man goes upstream for a distance of 10 kms in 5 hours. Another man goes downstream the same distance of 10 kms in 3 hours. what is the difference in speeds of two men if the river speed is 0.5 km/hr

    asked by roger
  10. math

    a man climbing a ladder which is inclined to the wall at an angle of 30 degree. if he ascend at the rate of 2m/s then he approach the wall at the rate of

    asked by suman
  11. math

    the number of block has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place, those two numbers equal 11. how many blocks are there,

    asked by Anonymous
  12. Markups and markdowns

    Sally buys a hand bag. There is a discount of 30%. IF Sally paid $20, what was the original price?

    asked by Alesia
  13. physics 12

    A hollow sphere us charged to 14uc .Find the potential(a) at its surface (b) inside the sphere (c) at a distance of 0.2m from the surface.The radius of sphere is 0.3 m

    asked by anonymous
  14. Reading

    Can u please help me with fourth edition improving vocabulary skills short version ? Chapter 1 sentence check 2.

    asked by Minerva
  15. eng composition

    Amy and carl are discussing the essay by tardiff and brizee. Army argue that her essay on how the cocoa bean is processed into chocolate should becconsidered an explanatory essay. Carl remaks that her essay might be called an explository essay. Who is

    asked by Tony
  16. chemistry

    In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. If you burn 54.8 g of hydrogen and produce 4.90 × 102 g of water, how much oxygen reacted?

    asked by charles
  17. vocabulary

    Denotative and Connotative A. Synonyms B. Antonyms C. Neither I think A?

    asked by kevin
  18. Physical Science

    What is the weight of a 4.82 kg backpack in Newton and the acceleration of the backpack if a net force of 10.0 N is applied in m/s2?

    asked by Rashida
  19. Grade 12 english

    I'm to compare I have a Dream speech with Mandela's Inauguration speech literary devices used in their speeches. I found the similarities of literary devices used for both speeches but I cant answer the differences of literary devices between the two

    asked by cindy
  20. Physics Electricity and Magnetism

    A microscopic droplet of ink in an ink-jet printer is deflected onto the paper by a force of 2.34×10-4 N. If the field causing the deflection is 6.62 kN/C, what is the charge on the droplet? What equation do I use to solve and What does each value mean in

    asked by Greg
  21. is it correct algebra 2

    3ab-2bc a=-4 b=6 c=-9 3(-4)(6)-2(6)(-9) -12(6)-12(-9) -72- -108 -180

    asked by reina
  22. Chemistry

    How many moles of sodium ions are there in 5.85g NaCl? So far all I have tried to do is 5.85/58.5=0.1 mol of NaCl but I don't understand how you find the number of moles of sodium ions only.

    asked by Zara
  23. accounting II

    A company has $314,000 in credit sales. The company uses the allowance method to account for uncollectible accounts. The allowance for doubtful accounts now has a $1,890 debit balance. If the company estimates that $8,160 of accounts will be uncollectible

    asked by CAW
  24. physics

    Two positive point charges of 15 into 10^-10 C and 13 into 10^-10 C are placed 12cm apart.Find the work done in bringing the two charges 4cm closer ?

    asked by anonymous
  25. Physics

    1 Angstrom = how many Coulombs?

    asked by Joel
  26. Physics

    Each crate moves from position 1, to position 2 to position 3. All of the crates are identical. the coordinate values given are in meters. Rank A through F in order from least to greatest, on the basis of the displacement from the position 1. If any crates

    asked by JuYoung
  27. Math

    A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per week?

    asked by Sammy
  28. physics

    a block of mass 0,5kg is attached to a spring .The spring is compressed to a distance of0,1m.The block is released .The block moves 0,07m past the equilibrium position .What is the force of friction that does work on the block. spring constant is 500

    asked by ruby
  29. eng composition

    Which statement is true? A. Once you write a thesis statement don't change it. B. A theisi statement is the first thing you should write before drafting an essay. C. Feel free to change a thesis statement if you feel you can improve it. D. If you change

    asked by Tony
  30. Check my answers?

    During the Reagan years, what happened to the overall course of the budget deficit? A. It rose. B. It fell. C. It increased by about $210 billion D. It increased, then fell back to its original level. I chose C. What was the major cause of deficit

    asked by Mel
  31. Math

    A fast growing mushroom doubled in size every day. After 30 days, it measured 6 inches tall. On which day did it measure 1 1/2 inches tall?

    asked by Xman
  32. eng composition

    while researching a topic, online or in print anyofthe following may be an indicator of reliability except for which one? A. The author or authors are experts in a particular field. B. The author's topic is similar to your selected topic. C. The author

    asked by Tony
  33. AP Calc. AB

    If an arrow is shot upward on the moon with a velocity of 56 m/s, its height in meters after t seconds is given by . Find the instantaneous velocity after one second.

    asked by Jacke
  34. Physics

    What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r=4.84±0.05m? I keep getting 6% and it says i am wrong.

    asked by kacey
  35. physics

    a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block moves 0.07m past the eequilibrium position .What is the force of friction that does work on the block? spring const is 500. F -kx

    asked by ruby
  36. math

    one canned juice drink is 25% orange juice; another is 5% orange juice. ow many liters of each should be mixed together in order to get 20L that is 14% orange juice?

    asked by cori
  37. English

    When I went back to my home town three years ago, I found that a lot of changes ____. (A) are taken place (B) were taken place (C) have taken place (D) had taken place I answered it as B. but in the book the correct answer was D. please explain by giving

    asked by Ramesh Reddy
  38. math

    one canned juice drink is 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 15% orange juice?

    asked by cori
  39. finance

    LaMont Industries had cash flow from operations of $19 300 last year. The depreciation expense was $2 300, interest expense was $600, and taxes were $1 400. They have 40 000 shares outstanding. What is the earnings per share for last year?

    asked by solooloo
  40. math

    12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please

    asked by mike
  41. Physical Science

    An 84.9 kg man is standing on a frictionless ice surface when he throws a 2.00 kg book at 11.1 m/s. With what velocity does the man move across the ice?

    asked by Rashida
  42. Physics

    What is the magnitude of the electric force between a proton and an electron when they are at a distance of 2.63 Angstrom from each other?

    asked by Brad
  43. Please check my answers ASAP

    I did the work I just want to see if half of my questions are right then ill post my other half after this so please check and thanks very much. ----------------------------------------1.Horses 2.everything 3.Brother 4.shoesand socks 6.event 7.End

    asked by Matt
  44. math

    There were 654 tickets sold for a basketball game. The activity cardholders' tickets cost 1.5 and the non-cardholders' tickets cost 2.00. the total amount of money collected was 1171.50. how many of each kind of tickets were sold.

    asked by cori
  45. English

    1. She sent Ben a letter. 2. She sent Ben a postcard. (Does #2 mean #1?) 3. Pretend you have been a frozen man for 20 years. You woke up just now. What are your plans for the future? I want to take exercise first. I plan to deliver a speech at a

    asked by rfvv
  46. History

    Check my answer please I want to make sure I didn't leave something out, I was suppose to explain Spain, France, and England's settlements. In English colonies the earliest settlements were in Virginia and Massachusetts but soon spread all along the

    asked by Mel
  47. Calculus 2

    use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the y-axis. y=x^(1/3), y=0, x=1

    asked by Dib
  48. Physics

    Can someone please explain the method to solving the following electrostatics problem? Thank you very much. Consider three charged sheets, A,B, and C. The sheets are parallel with A above B above C. On each sheet there is a surface charge of uniform

    asked by Ronald
  49. criminal justice

    Probation officer Nichols is in charge of Jim. Jim was sentenced to three years of imprisonment for drug trafficking. However, because Jim had no past records of criminal activity, he was granted probation. He also had an excellent work record. The terms

    asked by sharday
  50. physics

    an adult elephant has an average shoulder height of 350 cm and average mass of 5,7000 kg. If an elephant initially at rest was to be lifted by a cable to a height of 20 m (a) What is the tension in the cable if the elephant is accelerating upwards at rate

    asked by brando
  51. Math

    There are 36 students in a student council in a school and the ratio of the number of boys to girls is 3:1 . How many more girls should be added to the council so that the ratio of boys to the number of girls may be 9:5

    asked by Spandita
  52. child development part 2

    When preparing an environment for school - aged children, the caregiver should ensure that the

    asked by Amanda
  53. math

    11. The midpoint of is E(–1, 0). One endpoint is C(5, 2). What are the coordinates of the other endpoint? can someone please explain how to do this problem

    asked by kate
  54. Math

    Identify each data source as primary or secondary. State one advantage or each source of data. a) A researcher interviewed 10 students about their study habits - primary b) A sporting goods company searched on the internet for data on how Canadians spend

    asked by Anna
  55. Engineering

    Phase diagram for soil Mechanics?

    asked by Ally
  56. sanskrit

    information about sanskrit dramatist except kalidas in sanskrit

    asked by pranav
  57. math

    At a local Mcdonald’s managers will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns 13 buns crashed. A 5% significance level test is conducted to determine if the shipment should be accepted. The

    asked by morne
  58. math

    if 0

    asked by soumitra
  59. math

    Hi I need help with 5 questions..some of it is confusing to me. I just want to make sure my answers are right. 1.6^-7 x 6^4 6^-3 ; 6^-11 ; 6^-28 ; 6^11 - my answer is 6^-3 2. 7/ 7^5 = 7^-2 (supposed to find the missing value which is the other exponent on

    asked by Anonymous
  60. math

    If suzie is standing 50ft away from a bulilding and there is a 100ft latter going from sizie to the top of the buliding. How tall is the building

    asked by odyssey
  61. English

    1.Thank you for visiting our nursing home. It was great fun last weekend. ------------------------ In Sentence 1, what does 'It" refer to? 2. Look at the elderly person. 3. Look at the elderly people. --------------- Are both OK? Is Sentence 2 grammatical?

    asked by rfvv
  62. Precalculus

    If the length of a rectangular is three feet longer than the width and the perimeter is 62 feet, what is the width?

    asked by Clare
  63. Math

    If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???

    asked by Alicia Martinez
  64. English- Ordinary People by Judith Guest

    In the book Ordinary People by Judith Guest, what are her biases? How can one determine an authors bias if it is a fiction book?

    asked by Taylor
  65. English

    Slaughter- House Five - Hi guys, I was trying to figure out three major INJUSTICES seen in this novel. I already have the whole idea of war being and injustice on the "children" fighting in it, but I needed two more that I can expand upon. ~ Thanks in

    asked by Vir
  66. Chemistry

    Write the ionic equation for the reaction of lead 2 nitrate reacting with the acidic solution to form a precipitate

    asked by Caro
  67. math

    Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $80,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 4% compounded annually? (Round your answer to the nearest cent.)

    asked by Shann
  68. sig figs

    7.49e7/[(4/3)*(3.1416)*(1.4 e2)] I get 24707113200 but is wrong. sory for bad english. is not my first lenguage.

    asked by lorena
  69. math

    If joe stands. 25ft away from a 40ft buliding how long would a ladder have to be to reach from the ground where joe is standing to the top of the building

    asked by odyssey
  70. math

    12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please

    asked by mia
  71. physics

    convert 1micro A TO mA answer: 1*10^-6A *10^-3m =1*10^-9mA

    asked by xitshembiso
  72. Geography

    What numbers do lines of latitude and longitude start and end with?

    asked by Kyralle
  73. vector

    find equations for the osculating normal and rectifying planes to the curve x=3t-t^2, y=3t^2, z=3t+t^3 at point where t=1

    asked by Anne
  74. English

    At the End of a letter or mail, people use the expression as follows, what is the meaning 'Best' here? What else can we use between friends? ... ... ... Best, Sam

    asked by rfvv
  75. maths

    Find nutritional value of apple juice in 100 ml. Express it in alegbraic expressiond

    asked by ridhu
  76. math word problem

    How many millimeters is the ribbon if she cut 20cm and wrap around a gift

    asked by Daunte Sutton
  77. probability

    two cards are drawn from a standard deck of cards, with replacement what is the probability the first card is an ace and the second card is an ace

    asked by miri
  78. Math

    Find and express the results in polar form for the following: z = 2(e^(-jω) - e^(j7ω)), where ω = omega j is the math equivalent of i = sqrt(-1)

    asked by Erik
  79. sanskrit

    i need information about jaydeva in sanskrit

    asked by priya
  80. Calculus AB

    Consider the function (4)/(1-2^(1/x)) 1. Estimate the right-hand limit, lim x->0+ f(x). Back up your answer by making an analytic argument about f(x) for values of x that are close to 0 but larger than 0. 2. Estimate the left-hand limit, lim x->0- f(x).

    asked by Sam
  81. math

    (what is the meaning of this question) If the root of the equation x²-8x+m=0 exceeds the other by 4 then the value of m is

    asked by nithin
  82. math

    i marked a state test and someone changed the score how did they do that

    asked by MS.Sanchez
  83. Math

    640 acre is how big?

    asked by Erin
  84. Math

    Pls ans fast

    asked by Spandita