# 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]

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

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.

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

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

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

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?

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

9. ## Math

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

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.

11. ## vocabulary

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

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,

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

14. ## Math

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

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

16. ## Science

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

17. ## english

compare and contrast themes in the crucible and the film pleasantville

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

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

20. ## Chemistry

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

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!

22. ## chem/math

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

23. ## algebra

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

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

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,

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

27. ## Biology

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

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

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!.

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

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

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

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?

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

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

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.

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!!!

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

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?

40. ## Math

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

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

42. ## Chemistry

Why is the carbonate solution boiled before titrating?

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

44. ## life orientation

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

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.)

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??

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,

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?

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

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?

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

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

53. ## gvernemnt

purpose of a filibuster is to

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

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

56. ## Calculus

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

57. ## Biology

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

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

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

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!

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!

62. ## Economics

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

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

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 :)

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:

66. ## usHistory

Is there any website that tells how electricity impacted america

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

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

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

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,

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

72. ## math

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

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?

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.

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

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\$?

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).

78. ## Math

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

79. ## Math

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

80. ## Maths - calculus

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

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

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

83. ## Math

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

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,

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

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.

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!

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?

89. ## algebra

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

90. ## Maths

How do you find the gradient of a curve??

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

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?

93. ## History

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

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.

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)

96. ## Statistics

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

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) -

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 .

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?