Popular questions and responses by rita
  1. Language Arts

    "Full Fathom Five" by - William Shakespeare Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly

    asked on February 2, 2016
  2. physics

    A piece of copper of mass 300 g at a temperature of 950 degree Celsius is quickly transferred to a vessel of negligible thermal containing 250 g of water at 25 degree Celsius. If the final temperature of the mixture is 100 degree Celsius calculate the mass

    asked on May 12, 2018
  3. Language Arts

    “Train Tune” by - Louise Bogan Back through clouds Back through clearing Back through distance Back through silence Back through groves Back through garlands Back by rivers Back below mountains Back through lightning Back through cities Back through

    asked on February 3, 2016
  4. Language Arts

    "Full Fathom Five" by - William Shakespeare Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly

    asked on February 3, 2016
  5. physics

    Describe an experiment to determine the boiling point of a small quantity of a liquid

    asked on May 12, 2018
  6. Chemistry

    A solution of NH3 in water has a pH of 11.17. Calculate it's molarity

    asked on October 18, 2015
  7. statistics

    A sample of n = 7 scores has a mean of M = 5. After one new score is added to the sample, the new mean is found to be M = 6. What is the value of the new score? (Hint: Compare the values for ƩX before and after the score was added.

    asked on June 9, 2013
  8. Math

    A swimming pool was filled with 600 gallons of water in 20 minutes. What was the rate at which the pool was filled A.25 gallons per minute B.30 gallons per minute *** C.50 gallons per minute D.150 gallons per minute A swimming pool was filled with 600

    asked on January 27, 2016
  9. Probability and Statisics

    Suppose that 20% of the adult women in the United States dye or highlight their hair. We would like to know the probability that a SRS of size 200 would come within plus or minus 3 percentage points of this true value. In other words, find probability that

    asked on June 20, 2016
  10. maths

    rita had 5/6 of cake.she ate 2/3 of it .what part of the cake did she eat?

    asked on August 16, 2016
  11. chemistry

    What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 20.0 L of water to produce an antifreeze solution with a freezing point of -28.0°C? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.) .....L

    asked on November 30, 2008
  12. Physics

    a tank of helium gas used to inflate toy baloons is a pressure of 15.5 x 10 Pa and a temp of 293 k. The tank's volume is 0.020 m. How are a baloon would it fill at 1.00 atmosphere and 323 k

    asked on April 25, 2010
  13. math

    Mrs. Rossi wrote the following clues for a mystery number. It is a 4-digit number. The tens are double the ones. The thousands are double the tens. The sum of the digits is 19.

    asked on February 22, 2011
  14. statistics

    14) A population of N = 20 scores has a mean of µ = 15. One score in the population is changed from X = 8 to X =28. What is the value for the new population mean?

    asked on June 8, 2013
  15. physics

    an anti aircraft shell is fired vertically upward with a muzzle velocity of 200 m/sec. Compute theinstantaneous velocities at the ends of 30 & 50 seconds.

    asked on October 8, 2010
  16. Maths

    An aircraft is timetabled to travel from A to B. Due to bad weather it flies from A to C then from C to B. Where AC and CB make angles of 27 and 66 degrees respectively with AB. If AC =220km find AB

    asked on June 15, 2019
  17. physics

    Explain why ice is formed on the aluminium lumps and not on the walls of the beaker

    asked on May 13, 2018
  18. Math

    A borrower received a 30-year ARM mortgage loan for $200,000. Rate caps are 3/2/6 (initial adjustment cap/periodic interest rate cap/lifetime interest rate cap). The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The

    asked on August 14, 2019
  19. Chemistry

    Neutron diffraction is used in determining the structures of molecules. (a) Calculate the de Broglie wavelength of a neutron moving at 9.00% of the speed of light. __ m (b) Calculate the velocity of a neutron with a wavelength of 65 pm (1 pm = 10-12 m).

    asked on October 21, 2008
  20. physics

    Pls help pls help me solve. Dry steam at 100 degree Celsius is bubbled into 500 g of water originally at 20 degree Celsius. What will be the temperature of the water after 30 g of steam has condensed? ( specific heat capacity of water =4200,specific latent

    asked on May 12, 2018
  21. early childhood education


    asked on August 5, 2014
  22. trig

    The angle relative to the horizontal from the top of a tree to a point 12 feet from its base(on flat ground) is 30*. Find the height of the tree.

    asked on September 30, 2015
  23. physics

    Pls help me. Explain the following a. When methylated spirit is poured on the skin, it has cooling effect, b. A piece of ice at 0 degree Celsius cools a drink more effectively than the same mass of cold water at 0 degree Celsius, c Ice floats on water, d.

    asked on May 12, 2018
  24. maths

    michael has 10 pairs of black socks,8 pairs of white socks&7 pairs of green socks everything is mixed in a drawer. as there is no light he is not able to identify the colour of the socks . how many of the socks will he have to take to match 1 pair

    asked on June 12, 2013
  25. Vector Algebra

    Find the direction angles of the vector given below. Then write each vector in the form v = ||v||[(cos A) i + (cos B) i + (cos Y) k ]. v = -6i + 12j + 4k

    asked on February 22, 2008
  26. Math

    The graph below shows the sales of a popular song each week it was in a Top 40 song chart. which statement most accurately describes the slope of the graph A. The sales increased by 1 hundred thousand every 2 weeks. B. The sales decreased by 1 hundred

    asked on January 27, 2016
  27. physics

    Explain why food can be cooked more rapidly by boiling it in salt water than by boiling it in pure water

    asked on May 13, 2018
  28. physics

    An airplane taxis onto the runway going at 10 m/s.if it can accelerate at 3.0 m/s square and its take-off speed is 90 m/s, what length of runway will it need?

    asked on November 25, 2012
  29. Math 2nd grade

    It is greater than 7 tens and less than 8 tens. the number has 4 ones. write the number word

    asked on October 6, 2010
  30. physics

    What mass of ice at -14 degree Celsius will be needed to cool 200 cm of an orange drink from 25 degree Celsius to 10 degree? (specific latent heat of fusion of ice=336000,specific heat capacity of ice=2100 specific heat capacity of water=4200

    asked on May 12, 2018
  31. algebra

    The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.31 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round

    asked on February 9, 2015
  32. Physics

    A baseball whose mass is 0.25kg is struck by a bat. just before impact, the ball is traveling horizontally ay 40m/s to the left and it leaves the bat at an angle of 30 degrees above the horizontal with a speed of 60m/s. if the ball and bat were in contact

    asked on November 26, 2012
  33. statistics

    Four percent of DVD players manufactured by an electronics company are defective. Suppose six DVD players are randomly selected from the production line. Each DVD player is determined to be defective or non-defective. a. What is the probability that none

    asked on April 24, 2016
  34. Chemistry

    Prepare 250ml of 0.2M phosphate buffer of pH 6.4.starting from Na2HPO4,NaH2PO4,0.129N NaOH solution.

    asked on July 10, 2015
  35. physics

    Explain the statement: the saturation vapour pressure of water at 60 degree Celsius is 149.4 mm of Mercury. Thanks

    asked on May 13, 2018
  36. Math

    Which expression are equivalent to 5+4.2-(-3)? 5+(-4.2)-3 5-(-4.2)+3 5-4.2-3 5+(-4.2)-3

    asked on February 14, 2018
  37. Physics

    A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s. a) Away from the siren? b) Towards the siren?

    asked on November 25, 2016
  38. medical

    What are positive and negative ramifications of discounted fee-of-service arrangements

    asked on May 12, 2010
  39. maths

    a and b are positive numbers that satisfy the equation 1/a−1b=1/a+b. Determine the value of a^6/b^6+b^6/a^6.

    asked on March 22, 2013
  40. math

    A. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will only be twice as old as Danielle. How old is Kristen now? B. The greater of two integers is 4 times the lesser. Of the lesser integer is increased by 12, the

    asked on July 14, 2013
  41. English

    What are the reasons why boys should not help at the kitchen?

    asked on February 5, 2016
  42. physics

    An airplane taxis onto the runway going at 10 m/s.if it can accelerate at 3.0 m/s square and its take-off speed is 90 m/s, what length of runway will it need?

    asked on November 25, 2012
  43. physics

    How would you determine the value of the specific latent heat of steam in the laboratory? What precautions are necessary to obtain an accurate results

    asked on May 13, 2018
  44. English

    Revise the following sentences to create parallel constructions. (Question) Some students hate math; some students dislike math, and math is liked by other students. (my answer) Some students hate math, some dislike math, and some like math. every way I

    asked on June 30, 2010
  45. algebra

    Help me solve (-9,8) and perpendicular to the line whose equation is y=5/6x+7/6

    asked on June 27, 2019
  46. math (need help badly)

    the vertices of triangle DEF are D(5,12)and E(2,7) and F(8,4) Triangle DEF undergoes an enlargement with the centre ,O, and scale factors k.Its image is D`E`F` where D(5,12)arrow D`(7.5,18) a)How do i detremine the value of k

    asked on May 23, 2008
  47. math

    Suppose that 28 crayons, of which four are red, are divided random among Jack, Marty, Sharon, and Martha (seven each). If Sharon has exactly one red crayon, what is the probability that Marty has the remaining 3?

    asked on February 7, 2011
  48. Chemistry

    For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms? Enter the formal charges in the same order as the atoms are listed. (I searched everything online to find the shape of HOFO but could not find

    asked on December 5, 2010
  49. physics

    Describe an experiment to determine the saturation vapour pressure of water in the temperature range 25 degree Celsius to 70 degree Celsius. Sketch the curve you would expect to obtain

    asked on May 13, 2018
  50. Engineering

    A receiver requires 10 mW as input power. If all the system losses add up to 50 db, then how much power is required from all the source ?

    asked on September 1, 2008
  51. physics

    What is meant by the statement that the specific latent heat of steam is 2260000jkg

    asked on May 13, 2018
  52. statistics

    Suppose that the scores on a reading ability test are normally distributed with a mean of and a standard deviation of . What proportion of individuals score more than points on this test

    asked on September 20, 2014
  53. Civic education

    What are the positive and negative effect of limitation of human right

    asked on January 15, 2020
  54. english

    I need help with my one paragraph (8 to 12 sentences in length) assignment. My biggest problem I believe is my topic sentence (which must be the first sentence of the paragraph). Also I need help with transitioning between one of my sentences. The

    asked on February 28, 2012
  55. Calc

    How much money will we have in 6 months if we invest $1000 into an account earning 8% compounded continuously? How long will it take the $1000 to double? What is the effective rate for 8% compounded continuously that would produce the same accumulated

    asked on July 15, 2012
  56. early childhood education


    asked on August 5, 2014
  57. math

    Some households were questioned about the numebr of can openers they possessed. The results are indicated in the frequency table shown below: # of openers; 0,1,2,3,4 and frequency;1,8,11,7,1 a. does this dtat appear to be skewed? explain b. How many

    asked on April 6, 2011
  58. english

    First you get to read something on the Internet or in your favorite magazine, and then write a summary of it. Choose any subject of interest to you personally (stamps, bees, security alarms, global warming, sports, etc.) and read about it (or listen to a

    asked on March 2, 2011
  59. critical thinking

    3. Definitions sometimes involve both denotative and connotative meanings. For example, the word talk might be defined with this denotative definition: “the verbal exchange of communication.” The associated meanings, or connotations, of talk might be

    asked on March 4, 2011
  60. Engineering

    Two 1 km fibers are spliced together. Each fiber has a 5 db loss and the splice adds the 1 db of loss. If the power entering is 2mW, then how much power is delivered to the end of this combined transmission line ?

    asked on September 1, 2008
  61. Math

    The sum of the digits of a two-digit number is 14. The number formed by reversing the digits is 36 more than the original number. What is the original number?

    asked on November 13, 2015
  62. Business Math

    Compute the simple interest. Assume 1 month to be of a year. Round your answer to the nearest cent. Principal Rate Time Interest $1,025 4.5% 16 months

    asked on April 14, 2014
  63. Math

    The area of Egypt is about 386,700 square miles. The area of Wyoming is about 97, 818 square miles. How many times larger is Egypt than Wyoming? Do I multiply, divide or add?

    asked on October 9, 2012
  64. physics

    Pls help me God will bless you all. A piece of copper ball of mass 20 g at 200 degree Celsius is placed in a 50 g of water at 30 degree Celsius, ignoring heat losses, calculate the final steady temperature of the mixture. Specific heat capacity of

    asked on May 12, 2018
  65. maths

    Let P=(p1,p2,…,p7) be a permutation of the integers 1,2,…7. For how many permutations P are all seven sums S1=p1,S2=p1+p2,…,S7=p1+p2+⋯+p7 not multiples of 3? Details and assumptions A permutation is a rearrangement of the entire set of objects.

    asked on March 22, 2013
  66. Physics

    A platform rotates at an angular speed of 2.2 rad/s. A block rests on the platform a distance of 0.3m from the axis. Static friction coeffient= 0.5. Without any external torque acting on the system, the block is moved towards the axis. Ignore the moment of

    asked on April 28, 2010
  67. Literature quick question

    Can someone help me or give me a link to where I can find chapter summaries, or book notes for the story You Don't Know Me by David Klass. Thanks

    asked on June 6, 2009
  68. english

    an interjection is always

    asked on February 20, 2013
  69. english

    from book geroge owell shooting an elephant since orwell quandary is largely his own fault, he is confessing his weakness. how does he enlist the readers sympathy?

    asked on February 13, 2011
  70. Math

    From a base elevation of 7000 ft, a mountain peak in colorado rises to a summit elevation of 14507 ft over a horizontal distance of 15842 ft. find the grade of the peak.

    asked on March 14, 2010

    The 1918 Influenza Epidemic was the worse one on record. People infected early in the epidemic had a mild flu, while those later infected had a much more severe form of the disease. What is the explanation for this observation and what laboratory studies

    asked on February 24, 2010
  72. chem

    A solution prepared by dissolving 20.2 mL of CH3OH in 100mL of water @ 25 celcius. The final volume of the solution is 118 mL. Calculate the % by mass. density CH3OH[0.782g/mL], H20[1g/mL] @ room temp.

    asked on July 22, 2011
  73. geography

    What is glacier

    asked on May 13, 2018
  74. ap chem

    an unknown gaseous hydrocarbon reacts with oxygen to form CO2 and H2O, DETERMINE HEAT OF FORMATION FOR THE HYDROCARBON. the density of the mixture of CO2 and H2O at 1 atm and 200 degree celsius is 0.751g /L and heat of reaction is equal to -2044.5 KJ /MOL

    asked on October 11, 2014
  75. foreign language

    Hi there! I know two languages so far English and Russian. (I know the Russian language as well as I know English.) So, I was wondering about a third language to take at the college. I want to take a European language, but I cannot decide. Among my top

    asked on February 24, 2011
  76. math

    IAm greater then 4tens and less than tens i have 9 ones what number am i?

    asked on October 11, 2010
  77. english

    create a table lays out day by day plan to use a job aid for your employment search,spanning 3 weeks.

    asked on August 1, 2008
  78. American History

    Why didn't the Dawes Severalty Act succeed/work?

    asked on February 21, 2008
  79. math

    29% of ____ is 26.1

    asked on November 4, 2019
  80. Math

    Find the least common denominator for the following fractions: 3/4, 19/20, 1/6, 3/5, 8/15

    asked on October 27, 2013
  81. math

    Define a variable and write an inequality for each of the following. A. When 3 times a number is decreased by 8, the result is at least 2 times the number. B. Ignatz, the Airedale, and Angus, the Scottie, collect bones. Ignatz has 5 more than Angus. They

    asked on July 15, 2013
  82. eng

    What is the pronoun in this sentence: Me Smith gave it one more try before giving up on the mower How does the noun function and what is the pronoun class?

    asked on March 1, 2012
  83. AP Chemistry

    write the keq expression for the following reaction and determine the value of the Keq at 25degree celcius: MnO2(s)+4H+(aq)Mn2+(aq)+2H2O(l)+Cl2(g)

    asked on April 24, 2011
  84. english

    In the message portion of your Discussion post, start by writing one general sentence about a topic After your one general sentence, write three or four sentences that add specifics to your description

    asked on March 2, 2011
  85. chemistry

    write the reaction for the neutralization of nitric acid with calcium hydroxide.

    asked on November 23, 2009
  86. Literature question

    I've recently read the book You Don't Know Me by David Klass. But in the book it never said the setting (what state is this taking place in). If you recently read the book could you please tell me the setting.

    asked on June 8, 2009
  87. Behavioral Science

    Explain the communication process of neurons in the brain. List some common neurotransmitters and describe their effects on behavior.

    asked on June 22, 2008
  88. financial mathematics

    Qn 1. The easy loan company has a finance charge of 0.089% per day on out standing balances.What is the effective rate? Qn 2. Seven days after Jay's company borrowed R10,000,000 interest to the amount of R37,876,71 had to be paid. The simple interest rate

    asked on March 1, 2007
  89. physics

    What are the differences between evaporation and boiling

    asked on May 12, 2018
  90. Math

    If it is 750 calories per hour how many hours would a person have to jump rope in order to lose 1 lb ?

    asked on December 11, 2016
  91. math

    The sale force of a business consist of 10 men and 10 women A production unit of 6 people is set up at random what is the probability that it will consist of 4 men and 2 women

    asked on July 3, 2014
  92. math

    Two of the sides of a right angled triangle are 5m nd 12m.find the length of the third side(there are two possible answers)

    asked on January 6, 2014
  93. sociology

    using feminism, show how Facebook has made an impact on today's technologically-advanced society.

    asked on July 11, 2013
  94. Physics

    How much work must be done on a 500-kg car to accelerate it from 29-km/hr to 112-km/hr?

    asked on March 6, 2013
  95. math

    find the coordinates of the point where the tangent to the curve y=x^3 +x +2 at the point (1,4) meets the curve again. [ans:-2,-8] pls help me i don't understand the question....

    asked on July 22, 2011
  96. environment

    i need to write a letter to the environmental defense fund about an environmental issue..... any ideas on what i can write about? i was thinking about writing about how there needs to limits on how much Co2 can enter the environment....but it seems kinda

    asked on October 24, 2008
  97. Econimics

    A coal producer has the following total cost: TC=$187,500+$5Q+$0.0003Q2, where Q is tons of coal produced per month. Calculate the firm’s maximum profit if coal price is stable at $20/ton. (7 points)

    asked on August 25, 2008
  98. financial mathematics

    jeromeborrowed an amount of money on 16th june 1999. he has to pay Ri7500 back on 25th feb 2000. what was the amount borrowed if simple interest of 26% is chargedd? qn 2. For 20yrs sidney deposited R200 every month into an account. this account earned 15%

    asked on March 1, 2007
  99. physics

    Calculate the angular velocity of a swinging pendulum whose length is 125cm

    asked on January 14, 2018
  100. Science

    When is the end of the world

    asked on November 14, 2016


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