yvonne

Newest questions and responses by yvonne
  1. Math

    I have six eggs. I broke two. I boiled two. I ate one. How many do I have left?

    asked on February 13, 2019
  2. School guidance

    What course can I take

    asked on November 2, 2018
  3. chemistry

    If 19.7g of ALL, is actually produced, what is the percentage yield? 2Al+3I2 2 All3

    asked on July 11, 2017
  4. chemistry

    if you react 5.00g of aluminum with 20.0g of iodine, how much aluminum iodide do you expect to produce from this reaction? what is the limiting reactant ? what is the excess reactant? how much of the excess reactant do you expect to have left over?

    asked on July 11, 2017
  5. maths literacy

    Distance between two towns is 3,5cm,what is the actual distance in kilometres if you are givem a bar scale of 8km?

    asked on May 22, 2017
  6. stats

    Suppose for a given group of people, the mean height is 5.5 ft with a standard deviation of .25 ft, and let the data fall under a normal distribution.What percentage of the group is between 5 ft and 5.75 ft?

    asked on May 15, 2017
  7. maths

    show that (4-

    asked on May 11, 2017
  8. Business/economics

    Can someone please explain what "consumer socialisation" is. I would really appreciate it if its not copy and pasted from other website because I've searched it up, but I just don't understand it. Thank you

    asked on April 5, 2017
  9. Biology

    Hi, I am trying to work out a hypothesis to compare Estrogen receptors in breast cancer cells to normal breast tissues. Am I right in thinking that this will be a hypothesis using "effect" words instead of association ?

    asked on April 1, 2017
  10. Chemistry

    A is a solution of tetraoxosulphate(iv)acid.B contains 3.95g of sodium trioxocarbonate(iv) in 750cm3 of solution.if 22.70cm3 of the tetraoxosulphate(iv)acid neutralized 25.0cm3 of sodiumtrioxocarbonate(iv).calculate the concentration of i) B in moldm-3 ii)

    asked on December 8, 2016
  11. programming

    Example Develop a pseudocode algorithm for a program that accepts each of the average marks of 10 students in a class and computes the sum and the average mark of the class. The program should display the average mark of the class. Begin Set total to zero

    asked on June 27, 2016
  12. introduction to law

    We have heard that south Africa has two kind of sources of law.what are those two sources of south African law?

    asked on May 22, 2016
  13. Life orientation

    Discuss six ways that the heman rights violations influences individuals groups and the broader south african community

    asked on April 21, 2016
  14. math

    Steve runs a kennel and purchases dog food from a U.S supplier. The supplier sells 25 lb bags for $28.95 U.S Each dog eats about 3.5kg/week and Steve boards an average of 16 dogs per day. How many bags of dog food will he need for 3 months? The answer is

    asked on April 10, 2016
  15. Finance

    Rob and laura wish to buy a new home. The price is $187,500 and they plan to put down 20%. CIBC will lend them at a fixed rate for 25 years with monthly payments. How much will Bob and Laura's monthly payment be? Assuming they pay off this mortgage over

    asked on September 30, 2015
  16. Movement and Music

    At what age are children usually able to hop? 20% 30% 40% 50%

    asked on September 23, 2015
  17. chemistry

    calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol.

    asked on April 1, 2015
  18. chemistry

    calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol. I know you can calulate for Q and use that but how do you do the calculation when you don't have the atm for the final product.

    asked on April 1, 2015
  19. chemistry

    calculate the change in pH when 5 ml of 0.01M HNO3 is added to 50 ml of water. I know how to calculate pH, but not when it is changing.

    asked on April 1, 2015
  20. Chemistry

    HCI is a strong acid. What is the ion concentration, (H+), of a 0.0015M solution of HCI? What is the pH of a 0.0015M solution of HCI? I have looked in my book but it not making sense. I am not sure where to even start the problem. A little guidance please

    asked on March 16, 2015
  21. Social Studies

    2.)Why were Native Americans forced to leave their lands during the 1830s? a.)settlers wanted to settle the land b.)U.S. citizens settled the land first c.)the Supreme Court ordered their removal d.)their new lands were better for farming 4.)How did

    asked on January 24, 2015
  22. 8TH GRADE LANGUAHE ARTS

    It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The

    asked on November 18, 2014
  23. Science

    What are the implications of having aquitards in the water cycyle/

    asked on November 18, 2014
  24. Language Arts; Trouble with television

    It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The

    asked on November 17, 2014
  25. 8th grade English; Trouble with Television

    The Trouble with Television Robert MacNeil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each

    asked on November 13, 2014
  26. english

    The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each

    asked on November 3, 2014
  27. I need help asap

    The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each

    asked on November 3, 2014
  28. Language Arts

    The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each

    asked on November 3, 2014
  29. 8th grade language arts

    The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each

    asked on November 2, 2014
  30. science

    Suppose you place a 30kg weight 50cm from the pivot where should the following forces be applied to lift the load a)a 100N force b)a 150N force 2)how far will the load in question 1 be lifted if: a)the 100N force moves downwards b)the 150N force

    asked on September 16, 2014
  31. science

    suppose you place a 30kg weight 50cm from the pivot, where should the following forces be applied to lift the load (a)a 100N force (b)a 150N force

    asked on September 16, 2014
  32. algebra

    A tennis ball is released from a height of hcm, it rebounds one-third of the distance it has fallen after each fall. Find the total distance travelled when it strikes the ground (i) the third time (ii) the nth time

    asked on August 25, 2014
  33. algebra

    what is the translation of two more than four times the number

    asked on September 7, 2013
  34. algebra

    The width of the park is x meters. The length of the park is one meter more than twice the width. Write an expression for the area of the park.

    asked on June 3, 2013
  35. Geometry

    What is the area semi-circle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.

    asked on May 24, 2013
  36. Algebra

    (x^3+2x^2-4x-8)/(x^4-16)x(3x^2+8x+5)/3x^2+11x+10)

    asked on April 24, 2013
  37. Math

    System A has a 10% chance of being "down", while system B has a 5% chance of being "down". What is the probability that: 1) Neither computer system will be operational. 2) Both computer systems will be operational. Thanks!

    asked on April 23, 2013
  38. geometry

    A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go

    asked on March 13, 2013
  39. Math

    z(-3)

    asked on February 2, 2013
  40. Math

    z(-3)

    asked on February 2, 2013
  41. Independent studies instead of pe

    Need time to study home work

    asked on January 23, 2013
  42. finite math

    A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include at least 1 chocolate chip cookie?

    asked on January 22, 2013
  43. math

    Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern,how many steps will she be from where she startedafter 4 moves? After 5 Moves?

    asked on October 4, 2012
  44. biology

    how does a dictionary illustrate a form of classification?

    asked on September 13, 2012
  45. criminal procedure

    In which areas of search and seizure do feel that the courts have not gone far enough?

    asked on August 28, 2012
  46. Chemistry

    If I begin with 2.5g of Mg and excess HCL. How many liters of H2 gas will I produce at 25C and 1 atm? 2HCL + Mg ----> MgCl2 + h2 ?? using pv=nRT

    asked on July 4, 2012
  47. Physics

    In a computer monitor, an electron beam with a current of 4x10^-6 A is directed at the screen. How many electrons are transferred to the monitor in 2 minutes.

    asked on May 11, 2012
  48. algebra

    If $300 = 7% of X then X = ?

    asked on April 23, 2012
  49. College Math

    Consider the following expression. 3(x-2)-9(x^+7x+4)-5(x+8)

    asked on April 16, 2012
  50. College Math

    The "learning curve" describes the rate at which a person learns certain tasks. If a person sets a goal of typing N words per minute (wpm), the length of time t (in days) to achieve this goal is given by the following formula. t=62.5ln(1-N/80) (a)

    asked on April 16, 2012
  51. College Math

    A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

    asked on April 16, 2012
  52. College Math

    An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

    asked on April 16, 2012
  53. accounting

    What is the ending balance in an account that opebs with $7000, earns 7.5% interest compound quarterly, and is held for 20 years.

    asked on March 18, 2012
  54. Calculus

    Consider the differential equation, dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and hence, calculate the value of y when x=8.7, to 3 dec places.

    asked on February 11, 2012
  55. calculus

    If the line y=mx-5 does not meet the curve y=3x^2-6x+7 then value of m is in the open interval (a,b). Find the exact value of b.

    asked on February 7, 2012
  56. Statistics

    A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability that all 3 are

    asked on November 9, 2011
  57. statistics

    Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5

    asked on November 5, 2011
  58. physical

    height=42m,speed=250m/s, how long will the object remain in air?

    asked on October 15, 2011
  59. hr

    Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some

    asked on June 2, 2011
  60. physics

    what is the force in newtons acting on a 4.0kg package of nails that falls off a roof and is on its way to the ground

    asked on March 18, 2011
  61. math

    on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you $70. how much did you earn each day

    asked on January 28, 2011
  62. math

    you invest 200.00 into a savings account that earns 2% simple interest. How long will it tkae to earn 50.00 in interest?

    asked on December 30, 2010
  63. algebra

    Solve. 2x-1/x=4

    asked on December 13, 2010
  64. algebra

    Simplify. x^2+3x+2/x^2-2x-3

    asked on December 13, 2010
  65. math

    Multiply. 3x-3/2x-2 * 4x/3

    asked on December 13, 2010
  66. algebra

    Multiply. 2x-1/3x * x+1/2x

    asked on December 13, 2010
  67. math

    Subtract. x+4x-1/3x - 2x+2/3x

    asked on December 13, 2010
  68. math

    Add. 2x/5 + 3x-1/x

    asked on December 13, 2010
  69. science project

    I need help writing my abstract for my science project and it's the only thing I have left to do. It's very fustrating, so is there anyone who can help me plz?!!!!!!!

    asked on December 8, 2010
  70. Logic and Design

    What logic is used when pseudocoding compound conditions?

    asked on November 12, 2010
  71. Marketing

    ______________ is the process of naming broad product-markets and then segmenting these broad product-markets in order to select target markets and develop suitable marketing mixes. A. Strategic planning B. Market positioning C. Market segmentation D. Mass

    asked on October 11, 2010
  72. Operations management

    how does finance marketing and personnel support product stategy in an organization

    asked on June 8, 2010
  73. math

    what does the undermentioned mean and how do I solve it ( 1000 )2/5

    asked on May 8, 2009
  74. Math finance

    I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity

    asked on December 8, 2008
  75. Chemistry

    hellppp please i have a test on this on mondayy im so screwed A solid mixture contains MgCl2 and NaCl. When 0.5000 g of this solid is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25°C is observed to be 0.4010 atm. What is

    asked on November 29, 2008
  76. Investment

    Capital asset pricing theory asserts that portfolio returns are best explained by ________ risk.

    asked on October 22, 2008
  77. college physics

    In Physics we often use meters per second as the units of velocity, rather than miles per hour. Convert 1 meter per second to miles per hour to get an idea of how these units compare. Please help me by showing me step by step so I can understand it better.

    asked on September 21, 2008
  78. Informantion Tech

    Which of the Windows server 2003 events logs contains information about the events generated by components such as services and devices?

    asked on August 28, 2008
  79. writing

    When address to the staffs of the company, should the "To" line be All staff or All staffs?

    asked on July 25, 2008
  80. Business

    You are being interviewed for a business consultant position, and your interviewer has asked you to discuss which social responsibility approach you believe the following scenarios fall into obstructionist, defensive, accommodative, or proactive. Please

    asked on July 9, 2008
  81. french

    How do you say"I visited Hawaii for the first time" J'ai visite...then what?

    asked on May 26, 2008
  82. French

    I am having trouble distinguishing l'imparfait and the passe compose.

    asked on May 21, 2008
  83. Business

    What are some of the functions that insurance agents typically perform in the distribution channel?

    asked on November 6, 2007
  84. precalculus

    5x+3y=8 convert each rectangular equation to polar form Convert each polar equation to rectangular form: a r=9cos0 b r=5 c rsq= cos 20 d r= 3____ 3+sin 0 Is this a test?

    asked on May 17, 2007
  85. precalculus

    how to solve; Xsq + ysq-4x=0 x^2 -4x + y^2 =0 x^2 -4x +4 + y^2 =4 (x-2)^2 + (y+0)^2=4 look like a circle to me.

    asked on May 17, 2007
  86. algebra

    Simplify using only positive exponents. (2r^-1s^2t^0)^-2 ---------------- 2rs Thanks in advance! Working this out: (2^-2 r^2 s^-4)/ (2 r s) = r^2/8rs^5 Note: Anything to the 0 power is equal to 1. I hope this will help. Sorry but can you help me please I

    asked on February 24, 2007
  1. economics business studies maths literacy tourism

    i do not know which career to choose at my level/

    posted on May 6, 2018
  2. Biology "Genetics"

    Traits like human height and skin color shows a wide range of phenotypes, as opposed to just two ot three. From the standpoints of genese and alleles, explain why is this so.

    posted on March 28, 2018
  3. math

    An atom of gold has a mass of 3.21x10^-22.What is the mass of 5000 atoms of gold.

    posted on February 24, 2018
  4. Geometry PLEASE HELP ME

    Not sure

    posted on January 17, 2018
  5. physics

    Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. The trip requires 35 seconds. What is his velocity? 0.14 m/s 0.14 m/s, northeast 5.0 m/s, northeast 5.0 m/s, southwest

    posted on November 22, 2017
  6. Business/economics

    Im currently doing an assessment for business, and consumer socialization is one of the questions in the assessment.

    posted on April 5, 2017
  7. Biology (check answer)

    Yes - because the new strand would be translation, not transcription :-)

    posted on April 2, 2017
  8. Health Science

    There is a website called "Ducksters". If you just enter "Diabetes" from there, it will explain exactly what you are looking for in simple terms. Hope this helps :-)

    posted on April 1, 2017
  9. Probability

    A spinner has equally sized sections, of which are red and of which are green. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on green and the coin toss is heads?

    posted on January 22, 2017
  10. Analytical Chemistry

    A-7 B-2 C-1 D-5 E-6 F-4 G-3

    posted on December 4, 2016
  11. Life orientation

    need help on maths physics an LO

    posted on May 18, 2016
  12. math

    C- slant upright

    posted on March 29, 2016
  13. Math

    Lou eats 6/8 of a pizza what fraction of the pizza in simplest form is left over

    posted on March 15, 2016
  14. stats

    46

    posted on October 7, 2015