Questions Asked on
August 18, 2015

  1. maths

    If root2=1.4 and root3=1.7 find value of 4/3 root3-2 root 2+3/3 root3+2 root 2

    asked by rishi
  2. algebra

    which of the following assessment types has the greatest effect on your overall grade

    asked by ciara
  3. Chemistry

    1) A reactions has a delta H of -76 Kj and a delta S of -117 J/K. Is the reaction spontaneous at 298 K? Work: Delta G= -76kJ/mol - 298K(-117J/K/1000) Delta G= -41.134 Spontaneous 2) A reaction has a delta H of 11 kJ and a delta S of 49 J/K. Calculate the

    asked by Finn
  4. Language Arts

    Identify the antecedent for the underlined pronoun in the sentence below. The boy was excited about his date with Sheila, but he didn't know how (it) would turn out. It is underlined A. boy B. date C. Sheila Is the answer B? Thank you

    asked by Liz
  5. Augusco

    The speed of a car weighing 1500kg increase from 40m/s to 50m/s.calculate the change in its momentum

    asked by Prince
  6. Calculus 1

    A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 18 in. by 30 in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a

    asked by TayB
  7. maths

    if 24y5 is a multiple of 3 where y is the digit what might be the value of y?

    asked by shehzad
  8. algebra

    A CD costs $17.95 plus tax. The sales tax rate is 7.5%. Find the total cost of the CD.

    asked by Juliet
  9. Diff Calculus

    a swimming pool is 5m wide, 10m long, 1m deep at the shallow end, and 3 m deep at its deepest point. a cross section is shown in the figure. if the pool is being filled at a rate of 0.1 m3/min, how fast is the water level rising when the depth at the

    asked by Gene
  10. Language Arts

    What is the most important element of the plot of Lord of the Rings? a) the elves sailing away on ships b) Galadriel's gifts of magic c) the journey to destroy the ring or d) the journey to Rivendell. I think it is C) the journey to destroy the ring.

    asked by Kelly
  11. managerial economics

    TC=16Q2+10Q+36

    asked by narender
  12. Math

    There were 35 gallons of water in a tank and 4.5 gallons of water in a pail. An equal amount of water was poured into the tank and the pail. The ratio of the water in the tank to that pail became 7:2. a. how much water was in the pail at the end? b.how

    asked by UnKnown
  13. english plz plz help

    Which of the following lines of dialogue best reveals Ram's false heritage to the landlord? a. "You look like a man who could tell me the right place to go." b. "I am an Untouchable from the heart of India." c. "Man is forever studying ways and means until

    asked by ray
  14. cp biology

    include the following vocabulary when completing the concept map. be sure to PLACE THE WORDS in the correct step of the scientific method, and DISCUSS what occurs at each step. words: qualitative data quantitative data independent variable data analysis/

    asked by rachel
  15. algebra

    whats the difference between a 16 ounce brick and a carpenter?

    asked by jose
  16. Math

    R is a 3 digit number The first digit is the answer when the third digit is divided by 5. The second and third digits add to 8. The difference of the first and second digit is 2.

    asked by Ashlee
  17. physics

    The length of spring is alpha when force of 4 N is applied on it. The length is beta when force of 5 N is applied then the length of spring when 9 N force is applied is ?

    asked by Muqadas
  18. physics

    A boy runs 10.3 blocks North, 6.1 blocks Northeast, and 5 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position. Determine the direction of the displacement vector. Use counterclockwise as the

    asked by Anonymous
  19. Math

    A car engine is running at 5000 revolutions per minute. (a) how many revolutions are made in one hour? (b)if this engine uses 10 litres of fuel in one hour, how much fuel, in millilitres,does it use for every revolution?

    asked by Tan
  20. math

    A large field measures 70 feet by 525 feet. If you divide it up into equal square garden plots , what size would the largest possible plot be with the sides of whole number length?

    asked by Jadon
  21. Chemistry

    During its combustion, ethane combines with oxygen to give carbon dioxide and water. A sample of ethane was burned completely and the water that formed has a mass of 1.61 grams. How many grams of ethane were in the sample?

    asked by Margaleta
  22. pre-cal

    find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24

    asked by sabrina
  23. math

    at the rate of 50 mph a car can travel 14.6 miles for each gallon of gas used. On a trip Mr. Hanson used 12.5 gallons of gas traveling at a speed of 50 mph. the number of miles covered during the trip was:

    asked by Terry
  24. Lyncheez Bee (math)

    The sum of digits in a three digit number is nine. The tens digit is half the other two and the hundreds digit is half the units digits. Find the total value of the number

    asked by morrice brown
  25. Math (Calculus)

    Hello, I have a difficulty with the following question. The question is asking to find the slope of the tangent at x=3 for this function: f(x)=4x^3/sinx. X is measured in radians. The is the derivative of f(x): f'(x)=(12x^2)(sinx)^-1 +

    asked by Constantine
  26. Mmokeng secondary school

    What type of structure would house the circuit most effectively?

    asked by Ramonokoana retshepile
  27. Social studies.

    The earliest type of trade was A. Bartering B. Currency C. Economies D. Cowry shell currency Is the answer A? Thank you

    asked by Liz
  28. Mathmatics

    I want to be able to have $50,000 a year during retirement. I want to make sure that I can have it until I am 100 years old. I plan to retire at 65. I can earn 6%. How much do I need to have at retirement to be able to make it?

    asked by Lindsay
  29. introduction to computers

    you need to install an operating system on a computer that will be sharing files for the company employees. You estimate there eill be as many as 15 users accessing these files at one time. Which operating system is ideally suited for this machine?

    asked by Anonymous
  30. Math

    How do you graph mixed fraction from a table on a coordinate plane ?? Thanks

    asked by Mariam
  31. algebra

    write the following using exponents: -5-5-5

    asked by maria
  32. Mathes

    400000000

    asked by Joseph
  33. math sqrt root

    1) x¡Ô2x + 2¡Ô2x^3 + 2x^2/¡Ô2x Ans 4x¡Ô2x 2) (1/2)^1/3 Ans 3¡Ô1/2 = 3¡Ô4 /2 3) ¡Ô2/3 Ans ¡Ô6/3 4) 3¡Ô2/3 Ans 3¡Ô18/3 5) ¡Ô2 + 1/¡Ô2 Ans 3¡Ô2/2 Please help I really don't know how to simplify.

    asked by Kevin
  34. algebra

    I think it is: (-5)(-5)(-5)

    asked by maria
  35. Algebra

    I have a problem that reads as: -4x-2y=12 4x+8y=-24 And when solved the answer is (2,-2), but I checked the answer in the back and it says (6,-6) How does that WORK??

    asked by Liz
  36. usiness math

    You decide to take out an ordinary interest loan of $30,000 at 4%, on a 90 day note. a) In 45 days you decide to make a payment of $10,000 on the loan. What is your new principal? Explain how you got the answer.

    asked by eline
  37. Slope

    Can you teach me how to determine the slope using the equation below? y=6x+3

    asked by Jina
  38. AP world

    I can do research for a thesis on whatever AP World topic I want, but I can't find a favorite. Do you guys have any interesting topics you think would be nice to research?

    asked by Sara
  39. Math (Probability)

    A spinner is divided into x equal sectors, numbered 1 through x . The probability of spinning a number less than four is 1/10. Determine the value of x

    asked by Zena
  40. Math

    A triangle has one side that lies along the line y=1/4x and another that lies along the line y=-1/4x. Which of the following points could be a vertex of the triangle? A. (4,4) B. (0,0) C. (-4,-2) D. (1,8) E. (-2,-8)

    asked by Jina
  41. math

    Paula always withdraws 20 dollars more than she needs from the bank. a. Write an expression for the amount of money Paula withdraws if she needs d dollars. b. Find the amount of money Paula withdraws if she needs 20, 60, and 75 dollars.

    asked by rachel
  42. chemistry

    /Users/Sydneyvanalphen/Desktop/Screen Shot 2015-08-18 at 3.21.30 PM.png hi i need help with this homework problem I don't get how they are getting the answer 75?

    asked by sydney
  43. Calculus

    Hello, Could somebody kindly check my answer for the following question? Find the derivative of the following function: h(x)=3e^(sin(x+2)) h'(x)=3'(e^(sin(x+2))+3(e^(sin(x+2))' h'(x)=0(e^(sin(x+2))+3(e^(sin(x+2))(cos(1)) h'(x)=3cos1(e^(sin(x+2)) I would

    asked by Constantine
  44. Calculus 1

    A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 32 ft, express the area A of the window as a function of the width x of the window.

    asked by TayB
  45. Environmental Conservation

    What are the loopholes in blindly assuming that Traditional Ecological Knowledge (TEK) is the most complete knowledge for effective conservation? What are the possibilities of linking traditional knowledge with scientific methods to help in conservation

    asked by Ana
  46. Chemistry

    Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acid-base ratio is 2:1 I took Chemistry 7 years ago and am in a review for a Biochem course I am takin. I do not remember the basics so any help with how to get started or

    asked by Liz
  47. english

    Either one of them __ enough experience to do the job. Twenty years __ a lot of time in the field, and that’s how long they’ve been doing this work. Which of the following options correctly completes the sentence above? has, are has, is have, are have,

    asked by solanch
  48. english

    The store will stay open later during the holiday season. The store will stock a variety of seasonal merchandise. The store will have many discounts available for holiday shoppers. When revising the paragraph above, the writer should address which of the

    asked by solanch
  49. english

    Understanding which flavors complement each other can take years of practice Following these basic tenets will allow you to produce recipes that your friends and family will love to share. Once you’ve mastered flavor combinations, however, there’s no

    asked by solanch
  50. Math

    What is 9 divided by 7 with the answer in fraction form?

    asked by Janey
  51. algebra

    Could someone please help. Consider the function 3x^2-7. Find f(-2). a) -1 b) 5 c) -5 d) 0 I think its a) -1 but not sure. Thank you for your help

    asked by jay
  52. jfk

    A border will be put up in a 12ft by 16ft room. What is the maximum length should be bought? Why might less be needed?

    asked by zion
  53. science

    Should designers of Olympic medals use oxygen (O) to make an Olympic medal?

    asked by Science
  54. Science

    what are the effects of oxygen on medal.

    asked by Lily
  55. math 5

    In the cafeteria,100 milk cartons were put out for breakfast. At the end of breakfast,27 remained.

    asked by Heleina
  56. English

    1.If para- means beyond, then a paradox is something that is... 2.Examples of dogma 3.Using literal translations without the dictionary. -The prefix ortho- means "straight" or "correct" -The prefix hetero means "different" -The prefix homo means "same"

    asked by Stephanie
  57. Math dimensional anaylsis

    To make a banner for a football game: 9 yard banner can be made in 3 hours. What is the rate of work in feet per minute?

    asked by Paige
  58. Physics

    what is the schwarzschild radius of a black hole with a mass of 1.68x10^43kg

    asked by Zack
  59. calculus

    find the minimum and maximum points of the curve y=x^4-4x^3+4x^2

    asked by leo
  60. Math algebr

    Desire which property is illustrated by the given statement Which property is illustrated by the equation 3/7 (-17) = - 17 ( 3/7) A. Commutative property of multiplication B. Associative property of addition C. Distributive property D. Associative property

    asked by Davis
  61. Life orientation

    Identify environmental issues that cause ill-health

    asked by Sbuzo dube
  62. Chemistry

    Predict whether the following reactions would be spontaneous or not under standard conditions or if it's impossible to tell. 2 KClO3(s) + 3 C(s) --> 3CO2(g) + 2KCl(s) Exothermic 2 NO(g) + O2(g) --> 2NO2(g) Exothermic H2(g) + Zn(ClO3)2(s) --> 2HClO3(l) +

    asked by Finn
  63. Biology

    what is the scientific meaning to the word foundation?

    asked by Jill
  64. Physics

    How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)

    asked by Anonymous
  65. algebra

    If 192,x,y,3 form a geometic sequence, calculate the valuest of x and y.

    asked by Edward
  66. Math

    6 7/8 + 2 3/8=

    asked by LS
  67. Algebra

    Christina has three more quarters than dimes. The total value of the dimes and quarters is $13. How many quarters does she have?

    asked by Emily
  68. chemistry

    what are the precautions taken while preparing tris(acetylacetonato)-manganese 3 from potassium permanganate and acetylacetone.

    asked by elina
  69. k12

    which of the following assessments types has the greatest effect on your overall

    asked by Dina
  70. Math

    It takes Kasey 1 2/3 hours to bike the Woodlawn Trail. It takes her 3 5/6 hours to bike the Hammerside Trail. How many times as long does it take Kasey to bike the Hammerside Trail than the Woodlawn Trail ? A. 2 1/6 B. 2 3/10 C. 2 1/3 D. 5 1/2 How to solve

    asked by Rachel
  71. G.J.PUC

    An orgonic compound on analysis is found to contain C=18.6% , H=1.55% , Cl=55.04% , and O=24.8%.Calculate its molecular formula?

    asked by Sachina
  72. MATH

    Whats 12 * 4/5 = ?/1 * ?/? = ?/? * ?/? = what? doesnt make sense

    asked by Bro
  73. science

    An eagle is a carnivore. It MOST LIKELY gets the energy it needs to reproduce from A) oxygen. B) plants. C) the sun.--------- D) rodents.

    asked by ttng
  74. health

    How is family therapy a treatment option?

    asked by vandr5a
  75. physics

    The magnitude of the velocity of a projectile when it is at its maximum height above ground level is 15 m/s. (a) What is the magnitude of the velocity of the projectile 1.2 s before it achieves its maximum height? (b) What is the magnitude of the velocity

    asked by gar
  76. maths

    write 194 in the form of 10k a

    asked by shehzad
  77. maths

    if 91z 5 is a multiple of 9 where z is a digit what might be the value of z?

    asked by shehzad
  78. Algebra

    Simplify: ∜(8/9a^3) The answer key says 648/(a^3)^(1/4). ??????????

    asked by Anonymous
  79. Business

    I can only put away $1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not positive the answer I got is correct..my answer is $464,215.00

    asked by Janice
  80. maths

    let n be a natural number such that the division n¡5 leaves a remainder 4 and the division n¡2 leaves a remainder 1 what must be the unit digit of n?

    asked by shehzad
  81. math

    Y varies partly as X and as X^2 when X=2 Y=14 and when X=5 Y=65.Express Y interm of X hence find Y when X=-2

    asked by charity
  82. physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

    asked by Anne
  83. Algebra

    y=(x^2 + 2)/ (3x^2 - 5) Is the asymptote at x= sqrt. 5/3 y=o

    asked by Anonymous
  84. Maths lit,economics,business studies,tourism

    Teachers say ''tourism is like Life Orientation at Varsity'' so next year i will no longer exist. What will i do and other learners,please help?

    asked by Thabo Maunatlala
  85. Math

    I posted this under business the first time and got no answer so since its more mathematical here it is again: I can only put away $1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not

    asked by Janice
  86. Tourism

    Is it true that Tourism is like Life Orientation at Varsity?

    asked by Thabo Maunatlala
  87. health

    Using the Dietary Guidelines for Americans, 2010 as a reference, evaluate the 3 web-based nutrition sites listed below. Explain why you think the information is accurate or not. Dietary Guidelines for Americans, 2010: Do I need to write about what? How the

    asked by crissy
  88. introduction to computers

    how do you access the context menu for a desktop or a file in windows explorer

    asked by Anonymous
  89. phaphamani secondary

    State ohms law in words

    asked by zanele