Candice

Most popular questions and responses by Candice
  1. maths

    Let ABCD be a square with side legnth 7cm. Another square KLMN is inscribed into ABCD such that its vertices lie on the sides of ABCD. Find the lenghts of parts of ABCD sides which are divided by the vertices of KLMN. If [the area of KLMN]: [area of ABCD]

    asked on June 9, 2009
  2. Poetry

    I’m Nobody! Who are you? Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d banish us – you know! How dreary – to be – Somebody! How public – like a Frog – To tell one’s name – the livelong June – To an

    asked on January 12, 2016
  3. Chemistry

    Could a buffer system employing H3PO4 as the weak acid and H2PO4^- as the weak base be used as a buffer system within cells? Explain. I know the answer is no but I'm not really quite sure how to explain why.

    asked on June 9, 2015
  4. Math: Probability

    Hi, could you please help me? I have been stick on this question for a week and I have tried getting help from my teacher and parents, but I still cant get it. TIA A standard deck of 52 cards consists of 4 suits (hearts, clubs, diamonds, and spades). If a

    asked on June 9, 2017
  5. Chemistry

    A weather balloon is inflated to a volume of 25.6L at a pressure of 736mmHg and a temperature of 31.9∘C. The balloon rises in the atmosphere to an altitude, where the pressure is 365mmHg and the temperature is -15.6∘C. Assuming the balloon can freely

    asked on February 22, 2015
  6. Math1(Please Help Me)

    A group of 894 women aged 70-79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5 cm and the mean weight was 65.9kg with a standard deviation of 12.7kg. Both sets of data are fairly normal. A.) Suppose you were

    asked on June 21, 2016
  7. physics

    Mason lifts a box off the ground and places it in a car that is 0.50 meters high. If he applies a force of 8.0 newtons to lift this suitcase, what is the work done?

    asked on January 25, 2013
  8. Graphing Ciricles

    What is the shortest distance between the circles defined by x^2-10x +y^2-4y-7=0 and x^2+14x +y^2+6y+49=0? Thank you

    asked on April 9, 2016
  9. Math

    solve by factoring x^2 -7x-72=0

    asked on July 11, 2019
  10. general chemistry

    How much heat in kilojoules is evolved in converting 1.50moles of steam at 150 degrees celcius to ice at -60.0 degrees celcius? The heat capacity of steam is 1.84J/g degree C and that of ice is 2.09J/g degree C.

    asked on April 3, 2012
  11. vocabulary

    which of these words probably comes from the latin word conducere, meaning to lead together?? complete,control,convince, conduct?

    asked on February 25, 2011
  12. biology: genetics

    In Drosophila melanogaster, cut wings (ct) is recessive to normal wings (ct+), sable body (s) is recessive to gray body (s+), and vermilion eyes (v) is recessive to red eyes (v+). All three recessive mutations are X- linked. A female fly with cut wings,

    asked on July 17, 2011
  13. math

    a polygon with n number of sides will have how many digonals a)n b)n(n-3) c)n/2 d) n-3/2 e)n(n-3)/2

    asked on August 13, 2019
  14. Math

    For each quadratic, state the direction of opening and the y-intercept y=x^2 -7x

    asked on July 4, 2019
  15. Math( Please Help Assignment Due Tomorrow)

    Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

    asked on June 22, 2016
  16. Science

    What physical process is being observed using spectroscopic measurements in Beer's Law experiment?

    asked on September 2, 2010
  17. english

    compare and contrast themes in the crucible and the film pleasantville

    asked on October 16, 2014
  18. Math2(Please Help)

    There were approximately 28 million adults on Canada when a survey was conducted. In an online survey, 1008 Canadians took part. 68% said that the penny should be abolished. If the margin of error was +- 3.1%, give an upper and lower estimate for the

    asked on June 22, 2016
  19. Math(Please Help)

    Table 9: Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour

    asked on June 22, 2016
  20. Chemistry

    To what volume should you dilute 25mL of a 12.0M H2SO4 solution to obtain a 0.170M H2S04 solution?

    asked on September 29, 2010
  21. Math

    Let f(x) = x^2 + 4x - 31. For what value of a is there exactly one real value of x such that f(x) = a? Thank you!

    asked on April 3, 2016
  22. chem/math

    A car traveling with a constant speed travels 150km in 7200s. What is the speed of the car?

    asked on January 12, 2015
  23. algebra

    Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5?

    asked on April 1, 2013
  24. Physics

    A police car is traveling at a velocity of 20.0 m/s due north, when a car zooms by at a constant velocity of 44.0 m/s due north. After a reaction time 0.700 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the

    asked on September 29, 2014
  25. Math(Help, AssignmentDueToday)

    Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

    asked on June 28, 2016
  26. Please Help Me

    There were approximately 28 million adults on Canada when a survey was conducted. In an online survey, 1008 Canadians took part. 68% said that the penny should be abolished. If the margin of error was +- 3.1%, give an upper and lower estimate for the

    asked on June 22, 2016
  27. Biology

    What is the advantage of producing single sex gametophytes (heterospory) and what is the advantage of producing a bisexual gametophyte (homospory)?

    asked on September 6, 2010
  28. I Really Need Help

    Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

    asked on June 23, 2016
  29. Math

    Find the probability that if the letters of the word "parallel" are randomly arranged that the L's will not be together. In class, I'm studying permutations and combinations. The solutions stated the no. of permutations where 3 L's are together is 6!/2!.

    asked on October 11, 2012
  30. Math( Assignment Due Today)

    During a nature trip, Joni, Billy and Larry documented the location of an eagles nest. From point a, the campers observed the Eagles best on tip of a tree directly across a deep stream. The angle of elevation to the nest from point a is 35 degrees. The

    asked on June 29, 2016
  31. Please Help Me

    Table 9: Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour

    asked on June 22, 2016
  32. Chemistry

    A 10.00 ml sample of vinegar, density 1.01g/ml, was diluted to 100.0ml volume. It was found that 25.0 ml of the diluted vinegar required 24.15ml of 0.0976 M NaOH to neutralize it. Calculate the strength of CH3COOH in terms of: a) molarity b) grams CH3COOH

    asked on November 18, 2014
  33. science

    how did you get the answer 67 to the question the neergy of the photon, to the nearest tenth place, is x10-50J?

    asked on December 12, 2018
  34. Math

    Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

    asked on June 23, 2016
  35. MATH

    You are interested in finding out if a student’s ACTscore is a good predictor of their final college grade point average(GPA). You have obtained the following data and are going to conduct a regression analysis. Follow instructions on page 324 of your

    asked on August 20, 2012
  36. math

    the lawn order lawnmower factory can produce 12 lawnmowers in 8 hours. How many hours will it take the actory to produce 30 lawnmowers.

    asked on February 15, 2012
  37. Maths

    What is the area of the minor segment cut off a circle of radius 10 cm by a chord of length 12 cm? Could you please show me the working out for this question? The answer in the textbook is 16 sq cm. Thanks!!!

    asked on December 9, 2011
  38. Chemistry

    A sample of solid Ca(OH)2 is stirred in water at 30°C until the solution contains as much dissolved Ca(OH)2 as it can hold. A 100.-mL sample of this solution is withdrawn and titrated with 5.00 X 10^-2 M HBr. It requires 48.8 mL of the acid solution for

    asked on February 17, 2010
  39. Physics

    a plane can fly at 200km/h in still air and has to reach a destination 600km north-east. a 50km/h wind blows from the west. in which direction must the plane head?

    asked on February 28, 2009
  40. Math

    For what values of x is it true that x^2 - 5x - 4 < 10? Express your answer in interval notation. Thank you!

    asked on April 6, 2016
  41. Math2

    Bob has entered his giant pumpkin into the tops field fair in New England. To qualify for the finals, pumpkins must meet a minimum weight requirement, which is based on the weights of all of the entries. This year, 55.17% of all entries will make it to the

    asked on June 29, 2016
  42. Chemistry

    Why is the carbonate solution boiled before titrating?

    asked on January 18, 2015
  43. Chemistry

    Calculate the number of moles of ag in 5ml of .004m agno3 and the number of moles of cr04 in 5ml of .0024m k2cro4

    asked on March 19, 2014
  44. life orientation

    identify three study fields/ career paths in order of preference and provide two reasons for each choice

    asked on June 4, 2014
  45. Physics

    A soccer player kicks a football frombground level with an initial velocity of 27.0m/s, 30deg. Solve for the: A. Ball's hang time B. Range C. Max Height Ignore air resistance. (Hint: hang time refers to the time the ball is in the air.)

    asked on November 21, 2012
  46. chemistry

    Consider the following multistep reaction: C+D-> CD2 (SLOW) CD2+D->CD3 (FAST) C+3D->CD3 (OVERALL) Based on the mechanism determine the rate law for the overall reaction??

    asked on February 8, 2011
  47. Math2(Please Help)

    Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

    asked on June 28, 2016
  48. Physics

    Batman (mass = 75.6 kg) jumps straight down from a bridge into a boat (mass = 631 kg) in which a criminal is fleeing. The velocity of the boat is initially +10.4 m/s. What is the velocity of the boat after Batman lands in it?

    asked on December 4, 2014
  49. maths

    A positive integer n is such that numbers 2n+1 and 3n+1 are perfect squares. Prove that n is divisible by 8. thanks

    asked on June 9, 2009
  50. Math

    A ladder 10 ft long leans against a wall. The bottom of the ladder is 6 ft from the wall. How much would the lower end of the ladder have to be pulled away so that the top end would be pulled down by 3 ft?

    asked on December 7, 2014
  51. Physics

    A 2.86-g bullet, traveling at a speed of 452 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.14. The block has a mass of 230 g. (a) Find the speed of the bullet/block combination immediately after the collision. (b) How high

    asked on December 4, 2014
  52. Physics

    rom the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 7.56 m/s. (a) What is the acceleration (magnitude and direction) of the pebble during the downward

    asked on September 29, 2014
  53. gvernemnt

    purpose of a filibuster is to

    asked on November 26, 2012
  54. Mathematics

    a particle moves in a straight line such that its position x from a fixed point 0 at time 't' is given by x= 5 + 8sin2t + 6cos2t 1. Find the period and amplitude of the particle. 2. Find the greatest speed of the particle. Thanks

    asked on October 20, 2012
  55. Math

    I have a box that is 15cm-wide, 10cm-long, and 3cm- wide. To get it's volume I would add all the sides. Thanks

    asked on January 16, 2012
  56. Calculus

    find the area of the region. 2y=4sqrtx , y=3 and 2y+2x=6 ?

    asked on August 17, 2010
  57. Biology

    how are the anthers of a flower adapted to distribute pollen?

    asked on April 26, 2008
  58. Maths

    jessie had 7 pets she had horses ducks and spiders altogether they had 30 legs. how many of each pet did she own

    asked on February 2, 2018
  59. maths

    A box contains 20 balls, of which 5 are red, 5 are blue, 5 are white and 5 are green. Suppose a sample of 5 balls are chosen without replacement. a) find the probability that the sample contains balls of all the same colour (answer is 4/ 20C5, but why isnt

    asked on October 11, 2012
  60. Math

    Evaluate the integral from 0 to 4 of (x+1)/(16+x^2) dx the answers are log(sqrt2) + pi/16 Could you please take me through how to get to that answer please, thank you very much!

    asked on April 19, 2012
  61. Math

    A circular piece of wire has a radius of 12 cm. This is cut then bent to form an arc of a circle whose radius is 60 cm. Find the angle subtended at the centre by this arc. Give your answer to the nearest degree. Please show working out Thank you so much!

    asked on December 9, 2011
  62. Economics

    Explain why quotas are more effective than tariffs. Thanks! :)

    asked on November 3, 2011
  63. physics

    A baseball mass of 150.0g, is thrown by the pitcher toward the home plate with a velocity of 45.0 m/s. it is hit back at the pitcher with a velocity of 60.0 m/s, what is the average force on the bat, if the ball and bat are in contat for a time of 100.0

    asked on March 1, 2011
  64. physics

    questoins asked in a physics lesson which i find hard to answer: 1) do all objects have the same acceleration when they fall to earth? explain the answer. 2) what is the difference between weight and mass? any help would be greatly appreciated :)

    asked on March 10, 2009
  65. what is a catch 22

    what does it mean when someone says something is a catch 22; does this refer to the book? Whenever you wonder about a phrase's or a word's meaning, first you should try looking it up at www.onelook.com. I did this for "catch 22" and here are the results:

    asked on August 30, 2005
  66. usHistory

    Is there any website that tells how electricity impacted america

    asked on February 17, 2016
  67. Economics

    Hi, The demand for inflatable garden gnomes is given by P = 300 – 2Q, while the supply of is P= 100 + Q/2. How many garden gnomes are traded in equilibrium? I found the answer to be Q = 80. The related question was the one I had difficulty with: Suppose

    asked on April 10, 2013
  68. maths

    by equating the coefficients of sin x and cos x , or otherwise, find constants A and B satisfying the identity. A(2sinx + cosx) + B(2cosx - sinx) = sinx + 8cosx I got A = 2, B = 3, which the answers said were correct. However, another part of the question

    asked on October 19, 2012
  69. math

    could you please help with this question :) Find the speed and direction of a particle which, when projected from a point 15 m above the horizontal ground, just clears the top of a wall 26.25 m high and 30 m away. Thanks in advance

    asked on July 15, 2012
  70. math

    A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m and the horizontal compoenent of its velocity is 28 m/s. Find the constant speed with which the fieldsman must run forward,

    asked on July 15, 2012
  71. american government

    Some analysts maintain that the United States is poorly served by a Congress that is often beset by inaction and localism. Supporters of the Congress maintain that the institution is a superior deliberative and representative institution. Which argument is

    asked on August 11, 2010
  72. math

    Find the number of solutions to the equation 2x + 5y = 2005, where x and y are positive integers. Thank u :)

    asked on July 15, 2009
  73. Physics

    what is the weight of a 10g object? this is my answer: W = m.a W = 0,01(9.8) W = 0,098 kg i divided the 10g by 1000 to conver it into kg. is this answer correct?

    asked on March 17, 2009
  74. Algebra 1

    3r-5s=-35 2r-5s=-30 multiply equation 2 by -1 then add the two equations. s will cancel and you can solve for r. Post your work if you need further assistance.

    asked on January 18, 2007
  75. further mathematics

    The roots of the eqn, x^4 + px^3 + qx^2 + rx + s = 0 where p, q, r, s are constants and s does not equal to 0, are a, b, c, d. (i) a^2 + b^2 + c^2 + d^2 = p^2 -2q (in terms of p & q) (ii) 1/a + 1/b + 1/c + 1/d = -r/s (in terms of r & s) (iii) using the

    asked on September 11, 2006
  76. Math

    The operation @ is defined as m/n@p/q = (m)(p)(q/n). What is the simplified value of 7/69@23/24$?

    asked on April 6, 2016
  77. Math

    For the nonzero numbers a, b, and c, define J(a,b,c) = a/b + b/c + c/a. Find J(2,12, 9).

    asked on April 6, 2016
  78. Math

    Let A(t) = 3- 2t^2 + 4^t. Find A(2) - A(1).

    asked on April 6, 2016
  79. Math

    Let f(x) = 3x-7/x+1 Find the domain of f. Give your answer as an interval. Thank you!

    asked on April 3, 2016
  80. Maths - calculus

    equation for the hyperbola which has vertices (0;9) and asymptotes y= 18/5 x

    asked on April 3, 2016
  81. Chemistry

    1.984 g of a hydrate of K2CO3 is dissolved in 250. mLs of H2O. 10.0 mLs of this solution is tirade against 0.100 M HCl, producing the following results. Flask 1 - Initial 0, final 9.2 Flask 2 - Initial 9.2, final 18.3 Flask 3 - initial 18.3, final 27.8

    asked on January 12, 2015
  82. Physics

    The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=54300 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the

    asked on October 27, 2014
  83. Math

    Use mathematical induction to prove that 2^(3n) - 3^n is divisible by 5 for all positive integers. ThankS!

    asked on October 22, 2012
  84. Math

    A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m and the horizontal compoenent of its velocity is 28 m/s. Find the constant speed with which the fieldsman must run forward,

    asked on July 14, 2012
  85. Math

    Hi, could you please help with this question :) Find the speed and direction of a particle which, when projected from a point 15 m above the horizontal ground, just clears the top of a wall 26.25 m high and 30 m away. Thanks in advance

    asked on July 14, 2012
  86. English

    Hi, I have to write up paragraphs on these themes from Frankenstein: a) good vs. evil (manichean) b) duty of responsibility c) nature vs. nurture However, I'm confused about what the differences between these points are... For example, in "nature vs.

    asked on December 26, 2011
  87. Economics

    Explain how the emergence of the global marketplace has been linked to increased integration of the world’s economies. I think globalisation is involved, how can I structure my answer? Thanks!

    asked on November 3, 2011
  88. Chemistry

    consider the following reaction mechanism 2A+B->B+C B+D->E+C What is the rate law for step 2 of this reaction?

    asked on February 7, 2011
  89. algebra

    cubed square root 16x^2y over cubed square root 2xy^2

    asked on November 8, 2010
  90. Maths

    How do you find the gradient of a curve??

    asked on May 19, 2009
  91. math

    consider the functions f(x)=2x-8 and g(x)=x/2+4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other (a) What is f(g(x))? Simplify your answer

    asked on May 2, 2017
  92. maths

    oxygen occupies about 1/5 percentage of atmospheric air and the rest is taken up by other gases.what space do theother space occupy?

    asked on December 2, 2016
  93. History

    Is there any credible sites that tells how electricity impacted america?

    asked on February 18, 2016
  94. Chemistry

    A student is instructed to standardize an approximately 2.5N KOH solution using a 0.500N H2SO4 stock solution. Describe the experimental procedure he/she must follow. I do not understand what procedure needs to be followed.

    asked on January 26, 2015
  95. Physics

    A bird watcher meanders through the woods, walking 1.10 km due east, 0.624 km due south, and 1.09 km in a direction 18.2 ° north of west. The time required for this trip is 1.046 h. Determine the magnitudes of the bird watcher's (a) displacement and (b)

    asked on October 5, 2014
  96. Statistics

    Hi, Are market returns (with numbers such as -3.45, 4, 2.456 representing the "returns") ordinal or nominal data? Thanks!

    asked on April 18, 2014
  97. Economics

    According to the following game tree, and if the entrant and incumbent both only care about their own monetary payoff, what is/are the game's Nash equilibrium? Entrant - stays out (2,15) - enters If the entrant enters, Incumbent - co operates (5,5) -

    asked on May 14, 2013
  98. Math

    When f(x)is divided by x-1 and x+2,the remainders are 4 and -2 respectively . Hence find the remainder when f(x)is divided by x^2+x-2 .

    asked on April 20, 2013
  99. financial management

    Suppose you invest $2,500 in an account bearing interest at the rate of 14% per year. What will the future value of your investment in six years?

    asked on November 20, 2012
  100. Math

    A particle is projected horizontally with velocity V m/s, from a point h meters above ground. Taking g ms^-2 as the acceleration due to gravity, 1. Show the equation of the path is given by y = (2hV^2 - gx^2)/ 2V^2 2. Find the range of the particle. Thanks

    asked on October 20, 2012

Pages

  1. 1
  2. 2