# Candice

Most popular questions and responses by Candice-
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on July 11, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on July 4, 2019* -
## 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* -
## Science

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

*asked on September 2, 2010* -
## english

compare and contrast themes in the crucible and the film pleasantville

*asked on October 16, 2014* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## algebra

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

*asked on April 1, 2013* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Chemistry

Why is the carbonate solution boiled before titrating?

*asked on January 18, 2015* -
## 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* -
## life orientation

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

*asked on June 4, 2014* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## gvernemnt

purpose of a filibuster is to

*asked on November 26, 2012* -
## 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* -
## 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* -
## Calculus

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

*asked on August 17, 2010* -
## Biology

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

*asked on April 26, 2008* -
## 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* -
## 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* -
## 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* -
## 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* -
## Economics

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

*asked on November 3, 2011* -
## 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* -
## 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* -
## 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* -
## usHistory

Is there any website that tells how electricity impacted america

*asked on February 17, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on April 6, 2016* -
## 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* -
## Maths - calculus

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

*asked on April 3, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## algebra

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

*asked on November 8, 2010* -
## Maths

How do you find the gradient of a curve??

*asked on May 19, 2009* -
## 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* -
## 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* -
## History

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

*asked on February 18, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

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