Most popular questions and responses by raymond
  1. Science

    A piece of wood float on water and sinks in a methylated spirits .if the density of the wood is 0.8g/cm,explain why it would float on water and sink in methylated spirits .what can you say about the methylated spirit

    asked on November 23, 2016
  2. Management

    A professor told you his students: the purpose of a management course is to teach students about management, no o teach them to be managers. Do you agree with the statement? Discuss

    asked on March 27, 2019
  3. physics

    a force F applied to an object of mass m1 produces an acceleration of 3.30m/s^2. the same force applied to a second object of mass m2 produces an acceleration of 1.5m/s^2 if m1 and m2 are combined, find their acceleration under the action of the force F.

    asked on November 20, 2008
  4. Chemistry

    Calculate the moles of NH3 produced when 0.75 moles of N2 react.

    asked on March 26, 2018
  5. physics

    45. Here the same stone is being accelerated vertically upward. a. Draw force vectors to some suitable scale showing relative forces acting on the stone. b. Which is the longer vector, and why?

    asked on January 16, 2012
  6. calculus

    We know this is a piecewise function and we solved the first part, but we cannot figure out the other equation. A passenger ship leaves port sailing east at 16 mph. Two hours later, a cargo ship leaves the same port heading north at 12 mph. (a) Find a

    asked on September 1, 2014
  7. Chemistry

    Zinc metal reacts with hydrochloric acid according to the following equation: Zn + 2HCl yields ZnCl2 + H2. How many grams of hydrogen gas can be obtained if 50.0 g of zinc react completely?

    asked on March 11, 2013
  8. math

    a right prism of length 10cm has it's cross section,an equilateral triangle of side 6cm.Find it's volume

    asked on June 14, 2016
  9. Math 11

    The distance between two cities on a map is 7cm. The actual distance between two cities is 350 km. What is the scale used on this map? Could someone possibly simplify the answer in its most simplified form?

    asked on March 29, 2012
  10. English

    Could someone explain how to identify first person, first peripheal, third person omniscient,third person limited or third person paraphase. I know the definitions but I guess I just need a basic way to identify them from each other-is there such a thing?

    asked on September 21, 2011
  11. binomial

    Independent samples of n1 = 400 and n2= 400 observations were selected from binomial populations 1 and 2, and x1 = 100 and x2 = 127 successes were observed. Calculate the approximate standard error for the statistic, the point estimator for the difference

    asked on November 21, 2011

    As you eat ur way through a bag of cookies, you observe each cookie is a circular disk of diamter 8.50+ or - 0.02 cm and thickness 0.050+ or - 0.005cm. Find the avg volume of a cookie and the uncertainty in the volume.

    asked on September 10, 2009
  13. algebra

    How would this problem be solved? The low temperature on Monday was -5 degreesF. During the day, the temperature rose 20 degrees. What was the high temperature on Monday? Add twenty to negative five

    asked on October 31, 2006
  14. Math 11

    In a photograph, a man is 1.3cm tall and a flagpole is 4.8cm tall. If the man is 190 cm in real life, how tall is the flagpole, to the nearest centimetre?

    asked on March 29, 2012
  15. Physics

    Equal charges of value +q are placed of the orders A,B,C of a square ABCD having size of length l. At the corner D, there is a point charge -2q. what is the electric field strength at the centre of the square

    asked on January 24, 2019
  16. math

    Howard made cards for the fractions 3/9,4/8, 1/7, 6/5,and 3/10. He set them out in a row, putting 1/7 first.The fraction equivalent to 1/2 went after the one equivalent to a mixed number. A fraction that is half of 3/5 went between the fraction equivalent

    asked on January 15, 2012
  17. MATH


    asked on January 4, 2012
  18. math

    the perimeter of a square is 28 inches. What is the length of each side?

    asked on March 12, 2014
  19. math

    A recipe calls for 1 1/3 cups of flour. Harold has 1/2 cup of flour. How much more flour does Harold need to make the recipe?

    asked on February 9, 2012
  20. grammar

    i need to know what is the correct my mom is here also i am in third grade the question is about plural possessive nouns the question is Presidents famlies live in the White House what would preadient with a s

    asked on December 14, 2011
  21. English

    I have a question we were suppose to analyze The River by Bruce Springsteen in which a guy speaks of how the youthful dreams his girlfriend and him have had all disappeared. He remembers those dreams the way he remembers the way they used to go to the

    asked on September 20, 2011
  22. math

    Howard made cards for the fractions 3/9,4/8, 1/7, 6/5,and 3/10. He set them out in a row, putting 1/7 first.The fraction equivalent to 1/2 went after the one equivalent to a mixed number. A fraction that is half of 3/5 went between the fraction equivalent

    asked on January 15, 2012
  23. Math

    A 20 foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet above the ground does the ladder touch the wall?

    asked on December 3, 2011

    1. The problem statement, all variables and given/known data Find the vector product of Vector A cross Vector B(expressed in unit vectors) of the two vectors. What is the magnitude of the vector product? 2. Relevant equations Vector A= 5.00i + 2.00j Vector

    asked on September 17, 2009
  25. math


    asked on January 23, 2010
  26. econ 102

    the price-elasticity of perfume and salt.

    asked on January 19, 2011
  27. math

    joe was baking a cake. he added 3/4 cup of white suger and 3/8 cup brown suger how much did he use it all?

    asked on January 4, 2011
  28. math

    find the five number summary of the following set of numbers. 335, 237, 112, 387, 250, 583, 267, 222, 314

    asked on August 1, 2010

    I want to write that I listen to Chinese music and about being Chinese. Would that be a personal quality or a "where I come from"?

    asked on October 18, 2009
  30. arithmetic

    Word Problem: A hospital needs to figure the annual budget for an 11 bed facility based on 90% occupancy using a 4 day length of stay. 1st day = $625.00, 2nd day - $315.00, 3rd day = $315.00 and 4th day = $220.00. How much money can they expect to make for

    asked on February 27, 2008
  31. math

    63 divided by (10-3) + 2 x 4 = 44 is this correct

    asked on June 20, 2014
  32. Finance

    A trust has the purpose of:

    asked on January 21, 2013
  33. math

    The formula used to convert Celsius degrees to Fahrenheit degrees is F = 9/5C + 32. What is the Fahrenheit equivalent of 35C ?

    asked on February 8, 2012
  34. Hydrogen peroxide

    Under phycal properties I read Lola mass 34.0147 g/mol Where does "lola stands for?

    asked on August 22, 2010
  35. chemistry help

    ok so i need to find how many atoms make up the earth. the average atomic mass of the atoms is 14g/mol. avogadro's number gives the number of atoms in a mole. so what atom do i take?? carbon or something??

    asked on September 17, 2009
  36. Math

    Tricia travels 45 miles in one hour .at this rate,how long would it take her to travel 225 miles

    asked on March 4, 2015
  37. Math vectors

    Verify using an example that a(b+c) is not equal to ab+ac. (This means that addition does not distribute over the dot product.) My solution: is this correct? a(b+c)= ab+ac is ALWAYS true for whatever numbers you substitute let a = 16 b = 3 and c = 5 so LHE

    asked on February 27, 2015
  38. c# programming

    Trying to create a program using following algorithms. JumpSearch(list,lower,upper,jump,x) {Look for X in List[lower ... upper]. Report its position if found, else report 0. List is sorted in increasing order. upper>=lower>0; upper-lower+1>=jump>=1.} index

    asked on July 14, 2014
  39. math

    In a basketball free-throw contest held at the high school, Rudy made 4 out 5 free throws. At this rate, how many free throws could he expect to make in 25 tries?

    asked on January 25, 2012
  40. Math

    Higgins Rental charges $ 18 an hour to rent a power tool in addition to a $9 flat service fee. If Joseph rents a power tool and is charged $ 423, how many hours did he rent the tool? Hint: Convert the above scenario into an equation of the form A x + B =

    asked on September 18, 2011
  41. Math

    What is an interquartile range?

    asked on May 18, 2010

    45. The largest natural source of ionizing radiation comes from ___________. The largest anthropogenic source of ionizing radiation comes from ______________.

    asked on September 20, 2009


    asked on August 27, 2009
  44. accounting

    Is supplies listed as a CURRENT ASSET in a balance sheet?

    asked on February 5, 2015
  45. math

    a factory wanted to produce 7600 radios. at first, they planned to produce 600 radios a day. however, 8 days later, the remaining radios had to be produced in 4 days. how many more radios than originally planned had to be produced everyday?

    asked on June 20, 2014
  46. Road surface

    How does braking force affect the vertical force of moving vehicle? Please show an example!

    asked on April 26, 2013
  47. english

    Many students anticipate spring break but, Luis looks forward to winter vacation more.” True False

    asked on February 2, 2012
  48. Math

    Mr. Smith bought shoes for $ 120 and a suit for $ 340. Find the total cost including tax if the tax rate is 5.5%. (a)$ 485.30 (b)$ 48.53 (c)$ 358.70 (d)$ 460 (e)$ 406 I cant figure out how to solve this problem but what i did was added the 120 and 340 and

    asked on September 18, 2011
  49. Math

    How would you solve for X if X was the hypotenuse of a 45-45-90 triangle and the other two sides were Square Root of 11?

    asked on September 11, 2011
  50. life orientation

    in 10-15 line critically discuse 5 ways in which the human or environmental problem impact on the community.provide relevant sources to support claims

    asked on June 3, 2011
  51. earth

    Which of the following is NOT one of the six steps of IPM? Choose one answer. a. evaluating and recording results. b. properly identifying pest damage. c. Trapping pests for return to native ecosystems. d. learning pest and host life cycles. Which of the

    asked on May 27, 2011
  52. an automobile is traveling north. can it have a ve

    an automobile is traveling north. can it have a velocity toward the north and at the same time have an acceleration toward the south? under what circumstances?

    asked on September 24, 2009

    1.Between 1950 and 2004, the world population increased exponentially from 2.5 billion to 6.4 billion, what is the percent change? 2.Calculate the percent decrease if there are 620 incoming freshmen and 500 graduated seniors? percent change: (amount

    asked on September 2, 2009
  54. life orintation

    factors that can make a person to be infected by hiv aids

    asked on May 19, 2013
  55. Road surface

    Follow-on from a previous question: is there a component of any vertical force resulting from the braking force a braking vehicle?

    asked on April 26, 2013
  56. Math


    asked on October 29, 2012
  57. math

    Andy has the 2 cubes shown here. They have the numbers 1,2,3,4,5,and 6 on their faces. If he rolls the cubes together, what is the probability that the 2 numbers showing at the top of the cubes will total 6 when added together?

    asked on February 1, 2012
  58. English

    I have to write an essay on the theme of the short story "All is clam" by Ann Walsh. The story is about a girl who has to take her grandmother, who has alzheimers, to the hosptial. She has difficulty dealing with her grandmother acting very "strange" on

    asked on September 29, 2011
  59. social studies

    The mysterious man looked at a large wall map of Germany and the countries she shared borders with. "Before starting a war, Germany always chooses a key city as its allied city. This city is usually the capital of another country. Clearly, Germany is

    asked on June 13, 2011
  60. Math

    What is the probability that their IQ is above 90?

    asked on June 5, 2011
  61. chemistry

    determine the number of grams of solute needed to make 1.05 mole solution of HNO3 in 2.00Kg ofH2O

    asked on June 1, 2010
  62. Math

    What is the equation for finding an outlier for a box-and-whisker plot?

    asked on May 18, 2010
  63. science

    What makes a base a base, as in acids.

    asked on September 17, 2008
  64. math

    For the following problems, use f(x) = x^2 + 8; g(x) = 4x; h(x) = 5x – 3; (f + h)(x) = (g – h)(x) = (f + g)(3) = (f ∘ g)(–2) =

    asked on December 2, 2017
  65. math

    In an ordered (A – K, ♠♢♣♡) 52 card deck, using JUMP SEARCH, looking for the queen of hearts, a. What is the optimum jump size k? b. How many probes (m) will it take with the optimum jump size? c. What is the worst case number of comparisons

    asked on July 14, 2014
  66. math

    In a shuffled deck of 52 cards, we remove 1 card (we don’t know which one) and use LINEAR SEARCH to find the two of clubs. a. What is the average cost to find the two of clubs, if it is guaranteed to be in the deck? b. What is the average cost if the two

    asked on July 14, 2014
  67. Math

    ____ divided by 5 =1/21 is the answer 5/21

    asked on June 20, 2014
  68. Math

    peter had 3 kg of beef. he sold 1 kg 600 g of it. what fraction of it did he sell?

    asked on June 20, 2014
  69. social studies

    What MAJOR cultural contributions has Germany made to the American People?

    asked on June 14, 2011
  70. life orientation

    in 15 lines critically discuss 5 ways in which the substance abuse impacts on the community. Provide relevant sources to support your claims.

    asked on May 3, 2011
  71. math


    asked on January 23, 2010
  72. _____ radiation can damage genes?

    Is it ionizing, nonionizing or gamma radiation??

    asked on September 15, 2009
  73. political science

    What philosophy does Samuel P. Huntington follow? Who are some of his supporters and opposers? http://en.wikipedia.org/wiki/Samuel_P._Huntington

    asked on December 5, 2006
  74. math


    asked on October 10, 2011
  75. math


    asked on October 10, 2011
  76. Math

    Write a possible equation that crosses the x-axis at 2 and -4.

    asked on June 13, 2011
  77. math


    asked on January 23, 2010
  1. History


    posted on December 12, 2018
  2. Drug Abuse

    true they will

    posted on February 9, 2018
  3. chemistry

    204.52 *C

    posted on November 9, 2017
  4. physics


    posted on May 3, 2017
  5. Mpindweni s.s.s science

    physics exam

    posted on February 13, 2017
  6. 1 question!

    1.) A:Teens who use the Internet 2.) C: Low back pain 3.) B:Vision problems and D: Headaches 4.) D: Take frequent breaks

    posted on December 20, 2016
  7. College Chemistry


    posted on August 28, 2016
  8. Life orientation

    Three courses or study fields you are interested in following after grade 12.

    posted on April 4, 2016
  9. MCA

    5.1 5.9 5.9 5.6 5.2 5.7 5.8 5.4 5.3

    posted on January 11, 2016
  10. physics

    if two forces 10N and 20N are inclined at angle 60degree to each other. Find the resultant force.

    posted on December 6, 2015
  11. civil engineering

    a. 10.2 m/s t b. 50469.8 ft c. 104.04 v d. 955.5 v

    posted on November 23, 2015
  12. math


    posted on September 21, 2015
  13. physics

    vertical velocity=19.5Cos45=13.79m/s. Time up=(v-u)/g=(0-13.79/-9.8=1.42s. T(up)+T(down)=2*1.42=2.85s. avrgS=D/T=55/2.85=19.30m/s.

    posted on September 22, 2014
  14. business

    i want to know what kind of job can i find.

    posted on January 23, 2014
  15. physics

    Deceleration: 16 = 20 + Ta 16 - 20 = 10a a = -0.4 m/s2 Braking force = 300 X 0.4 = -120 N Please check the above calc and give comments!

    posted on April 28, 2013
  16. University Chemistry (first year)

    I'm pretty sure the 13.33g is mass of aluminum not alum. You found that 0.92g of aluminum gives 16.44g of alum so how much g of alum do u get from 13.33g of aluminum

    posted on November 29, 2012
  17. 12th grade life orientation

    Environmenment factor that causes disasters

    posted on April 17, 2012
  18. American Government


    posted on April 9, 2012
  19. English

    Thank you for the help, by the way.

    posted on September 29, 2011
  20. English

    Oh, I forgot to mention, the boy who helps them goes to her school and his father has alzheimers as well.

    posted on September 29, 2011
  21. English

    I read the article but I still have a question-can it be third person limited if there is dialogue with the "I" in it? Example: John Jones saw his old neighbor Tom Flannery for the first time in 20 years. "Tom , waht happened to you?" "I had an accident.

    posted on September 21, 2011
  22. English

    I did two responses because after the first response I thought of something else about the second part of my question

    posted on September 20, 2011