Most popular questions and responses by toni
  1. AP Chemistry

    Water is being electrolysed in the presence of a non-reactive electrolyte under standard conditions. If 2.5 amperes of current flows through the circuit for 13.6 minutes at 25 degrees celsius and 1 atmosphere, what volume of hydrogen gas is produced?

    asked on January 26, 2013
  2. science

    When a switch is turned from the off to the on position, it is changing the circuit in which of the following ways?

    asked on March 19, 2014
  3. math

    Suppose you invest $2500 at an annual interest rate of 3% compounded continuously. How much will you have in the account after 7 years? Round the solution to the nearest dollar

    asked on January 14, 2014
  4. Math

    A runner tries to keep a consistent stride length in a marathon. But, the length will change during the race. A runner has a stride length of 5 feet for the first half of the race and a stride length of 4.5 feet for the second half. 1.)A marathon is 26

    asked on October 26, 2017
  5. english (antonyms)

    what is the antonym answer to the puzzle.. -nncntglty -gvtk -nt -ftthn THANKKK YOUUU :)

    asked on February 23, 2015
  6. General Chemistry I

    Determine the mass of Co(NO3)2 X 6H2O to prepare 250mL of a .50M stock solution.

    asked on February 28, 2011
  7. Chemistry

    what type of reaction is AgF + CaCl2 --> AgCL + CaF2 ?

    asked on January 11, 2013
  8. English

    I had to pick what grammatical stucture is in the "" portion of the sentence. Choses are adverb clause infinitive phrase past participial elliptical clause adjective clause present participial phrase nominative absoolute appossitive past participle phrase

    asked on April 12, 2011
  9. Introductory Chemistry

    A sample of 0.255 mole of gas has a volume of 748 mL at 28C. Calculate the pressure of this gas.

    asked on April 1, 2013
  10. social studies

    describe two ways the federal bureaucracy helps to shape laws by congress

    asked on January 25, 2013
  11. Mathematics

    the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.

    asked on April 15, 2013
  12. General chem lab

    This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water

    asked on March 24, 2007
  13. science

    The specific heat of solid gold is 0.13J/gC.How much heat is needed to raise the temperature of 25.0g of gold from 23C to its melting point at 1063C

    asked on July 15, 2011
  14. Social Studies

    Why is farming not a viable economic option for all areas of southern and Eastern Africa? 1- there is a lack of land 2- there is a lack of sunlight 3- there is a lack of rainfall 4- there is a lack of people to farm the land

    asked on September 15, 2016
  15. physics

    Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the

    asked on February 8, 2012
  16. Gen. Chemistry lab

    Trying to find mass percent of acetic acid in 25 drops of .683M NaOH solution are required to neutralize 10 drops of cleaning vinegar. Assume that the density of the cleaning vinegar is the same as the density of regular vinegar which is 1.05 g ml-1 You

    asked on March 3, 2007
  17. Math

    What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

    asked on September 28, 2009
  18. physics

    Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

    asked on February 26, 2010
  19. math

    a basic cellular phone plan costs $18 per month for 50 calling minutes. Additional time costs $0.30 per minute. The formula C = 18+0.30 (x-50) gives the monthly cost for this plan for calling minutes, where x > 50. How many calling minutes are possible for

    asked on May 28, 2014
  20. physical science

    A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

    asked on June 12, 2011
  21. Social Psychology

    Describe the reciprocal relationship between behavior and attitudes?

    asked on January 26, 2011

    Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

    asked on February 26, 2010
  23. Economic

    A new technology reduces the time it takes t9 make a pair of khaki pants

    asked on March 26, 2017
  24. math

    how is basic math used in the medical office?

    asked on May 18, 2011
  25. physics

    2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is true about the two waves? a. the energy of thee first wave is less than the second b. energy of the first wave is greater c.

    asked on February 23, 2010
  26. Chemistry

    Ok, in this question, the drops is throwing me off totally, can someone help! A nationally known company markets a product called "cleaning vinegar" that is not designed for human consumption. What is the mass percent of acetic acid in this product if 25

    asked on March 4, 2007
  27. math

    Berkley has 10 pieces of ribbon that are 2 yards each. She uses 8 pieces that are each 3 feet long.

    asked on March 12, 2015
  28. general biologt

    Water freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of? a. wedging b. hydration c. carbonation d. reduced pressure

    asked on February 23, 2010
  29. Economics

    When comparing firms within a industry, economists often use the productivity as a measure. Discuss the differences and properties of various productivity measures such as average productivity, marginal productivity, and etc. Give some real-world examples

    asked on October 29, 2009
  30. Statistics

    A certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a battery is normally distributed, with a mean of 45 months and a standard deviation of 7 months. If the company does not want to

    asked on September 29, 2010
  31. Art

    As you try to answer the following question think about this question What does the expression of an angry superhero mean? Which of the following steps of art critique are you conducting for this type of question? describe analyze •• present interpret

    asked on September 1, 2016
  32. orientalism of muslim and arab american

    What are some characteristics orientalism and how it has became discrimination toward Muslim and Arab Americans? my understanding Orientalism is view of people and history of the orient with no recognition of change over time. Can some one explain to me

    asked on August 6, 2006
  33. Social studies

    The colony Lord Baltimore established in Maryland encouraged Land grants for every settler A role for colonists in government Religious freedom for Roman Catholic •• The settlement of wealthy people In the Massachusetts bay colony the right to vote was

    asked on September 1, 2016
  34. Chem.

    λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.

    asked on October 26, 2010
  35. Social studies

    4. Why were the Dutch and the French such fierce enemies in North America? (1 point) They both wanted control of the Mississippi River. They both wanted to settle the same area. They both wanted to dominate the fur trade. •• They were fighting a war

    asked on September 1, 2016
  36. maths

    The first term of a g.p is twice it's common ratio, find the sum of the first two term of the progression, if it's sum to infinity is 8

    asked on February 2, 2015
  37. Science Help

    Drew is walking back up the best hill in the neighborhood 24* grade. He's pulling on the empty 2.1kg sled with a force of 18N at an angle of 55* with the hill. He's walking with a constant velocity, what is the coefficient of friction?

    asked on December 11, 2014
  38. Math, Please Help!

    Ned divided a given number by 3 and then added 2. If he should have multiplied the number by 3 and then subtracted 2, which of the following two steps can he do next to get the correct answer? Subtract 4 and then multiply by 9. Subtract 12 and then

    asked on March 14, 2014
  39. elementary stats

    A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.) 1

    asked on March 30, 2013
  40. physics

    A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

    asked on December 10, 2012
  41. Math

    Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $90, but only 25% of the rest. For what amount of medical bills will plan

    asked on July 4, 2011
  42. biology

    1) RNA condons and amino acids: valine, proline, alanine a. GCGCGUGUG b. GUGCCUGCG c. GUUCCCACU d. GCUCUUGCU

    asked on February 23, 2010
  43. 3rd grade

    my son is in the third grade. how do you figure out the mass

    asked on December 9, 2008
  44. world geography

    Which of the following is accurate? a. No one knows what caused the decline of the Minoan civilization. c. Greece is at the crossroads of eastern and western culture. b. Greece is made up of mainland and a cluster of islands. d. All of the above

    asked on May 12, 2014
  45. Finite Math

    A biology quiz consists of 10 multiple -choice questions. 7 must be answered correctly to receive a passing grade. If each question has 4 possible answers, of which only one is correct, what is the probability that a student who guesses at random on each

    asked on October 8, 2012
  46. Algebra

    Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

    asked on July 3, 2011
  47. Physical Science

    I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force

    asked on January 2, 2011
  48. AP chemistry

    How do you balance ZnCO3 +O2 yields ZnO + CO2?

    asked on November 19, 2014
  49. English 101

    I need help starting my english paper Draft a 7-9 page paper that compares and contrasts how the topic or theme you chose from the book was treated (or mistreated) in the film, and weigh in on what affect that has on the viewer as opposed to the reader.

    asked on July 8, 2013
  50. Mathematics

    using the compound interest formula find the principal that will yield a compound interest of n$410 in 2 years at therate of 5 % per annum

    asked on April 15, 2013
  51. Math

    From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store at least seven will make a purchase?(round

    asked on October 8, 2012
  52. math

    the perimeter of a triangle is 54 centimeters. the longest side is 6 centimeters less than the sum of the other two sides. Twice the shortest side is 10 centimeters less than the longest side. Find the lengths of each side of the tirangle

    asked on January 20, 2012
  53. Physical Science

    I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force

    asked on January 2, 2011
  54. Physical Science

    A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the

    asked on December 31, 2010
  55. Language Arts

    Analogy help for my daughter please... Wouldn't is to coulnd't as green is to what??? The answer must start with scr, spr, str, or thr. Thank you

    asked on February 14, 2010
  56. algebra

    Find the zeroes of each function. State the multiplicity of multiple zeroes. y=(x+3)^3 y=x(x-1)^3 I know you're supposed to factor them out, but I'm really not sure how to. Thanks. The equations are already factored out. For the first one, y is zero at x=3

    asked on December 14, 2006
  57. Dangling Modifiers

    Could some one check and see ifi got these right If your baby does not like cold apple juice, it should be heated. 1. If your baby does not like cold apple juice, you should heat it. When they are fresh, eating oranges can often keep away the cold virus.

    asked on August 30, 2006
  58. Math

    Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

    asked on December 14, 2016
  59. Math

    A picture 3 feet across is hung in the center of a wall that that is 19 feet wide. How many feet from the end of the wall is the nearest edge of the picture.

    asked on May 20, 2015
  60. Math

    Show each step to show how to verify the identity. cos(x + y) + cos(x - y) = 2 cos x cos y

    asked on January 29, 2015
  61. College Algebra

    Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division. f(x)=x^3-3x^2-33x+35

    asked on December 8, 2014
  62. Algebra

    A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephone is given by C=.25(t-600)+50.95, wher it is assumed that t is greater than or equal to 600 minutes. What times will keep costs between $95.45 and $135.45?

    asked on August 14, 2011
  63. medical office

    how is basic math used in the medical office?

    asked on May 19, 2011
  64. Operation Management

    Customers arrive at service window every 3.6 minutes(exponentially distributed) and service time is 2.4 minutes )exponentially distributes) What is the average lenght of waiting line and waiting time?

    asked on June 15, 2010
  65. ethnics 125

    Investigate the official language movement which is an important hispanic american cultural interest. I have to find six credible sites or articles describing bilingualism in education and politics. How would I find credible sites everything I find is

    asked on August 29, 2011
  66. crt205

    identify two arguments in the article Controlling Irrational Fears After 9/11?

    asked on April 19, 2009
  67. Math Questions

    1.) What is the inverse of the relation (3, -1), (2. 5), (-4, -4)? 2.) What is the inverse of the relation (1, -3), (3, 5), (6, -2)?

    asked on September 30, 2014
  68. history

    What's the difference between an Emir and a Caliph?

    asked on September 20, 2014
  69. chemistry

    If the mass of copper wire used in your reaction was only 0.012 grams, but the amount of silver nitrate used was unchanged, then how many grams of silver metal could be produced?

    asked on May 29, 2014
  70. math plase check

    What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check

    asked on June 6, 2012
  71. American Literature

    I am doing a paper on The Minority Experience - American Indian Studies. My question would be how far back can any of this information acutually be documented? My professore replied this is fine as long as I make my focus a literay one. He suggest using

    asked on September 25, 2011
  72. algebra

    Explain how many miles does it takes to get from home to work, with "distance Formulas?'

    asked on August 1, 2011
  73. Algebra

    Use polynomial long division to divide 12x3 – 9x2 + 13x + 4 by 3x2 – 3x + 4

    asked on July 1, 2011
  74. Physical Science 2

    The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the earth C. person's body pushing

    asked on December 31, 2010
  75. math

    A college student invested part of a $25,000 inheritance at 7% interest and the rest at 6%. If his annual interest is $1,671 how much did he invest at 6%? If I told you the answer is $8,000, in your own words, using complete sentences, explain how you

    asked on September 29, 2010
  76. CRT 205

    Identify fallacies

    asked on May 31, 2009
  77. accounting-installment sales journal entry

    Question: On 12/31/07, Company A sold equipment for $1,800,000. The equipment had a carrying amount of $1,200,000. At the time of the sale the buyer paid $300,000 cash and signed a $1,500,000 note bearing interest of $1,500,000 note bearing interest at 10%

    asked on October 24, 2008
  78. algebra

    In 2006, 74.2 million tax returns were filed electronically. This represents 108.8% increase over the year 2005. How many income tax returns were filed electronically in 2005? Round to the nearest tenth of a million.

    asked on August 27, 2008
  79. Science

    What happens to electrons in any charging process? Give an example of something charged by induction?

    asked on November 5, 2007
  80. Math

    Mandi had 3/4 pound of chocolate. She ate 2/3 of her chocolate. How much did she have left? Use diagram to solve.

    asked on December 12, 2016
  81. Social studies

    One reason why the spanish easily conquer the americas was the aztecs and incas lacked? Wealth and power •• Loyalty to their leaders The will to fight to the death Resistance to European diseases

    asked on September 1, 2016
  82. Social studies

    what was common in new england but not in other colonies? Dame schools Apprenticeships •• Private schools Free public schools

    asked on September 1, 2016
  83. Physics

    An astronaut jumps on the moon with an initial upward velocity of 4.35m/s. If the acceleration of gravity on the moon is -1.62m/s^2, what is the max height of the astronaut?

    asked on October 21, 2014
  84. History

    Why did Abderraman III have to deal with various military commanders?

    asked on September 20, 2014
  85. Cedar Grove middle

    3÷1/2 in the simplest form have to check work

    asked on February 4, 2014
  86. algebra

    help me please im confused Consider the quadratic expression X^2 + 4x + c = 0. For what range of values does the equation have two complex roots? what am i doing here can someone show me step by step so i can at least try to do the other problems i have

    asked on October 8, 2013
  87. Chem

    calculate the temperature change that occurs when 229 cal of heat are added to 22g of water

    asked on September 4, 2013
  88. eng091

    revise thesis statement Thesis sentence: When I order the liquors for my business I believe it is a useless expense of using the online service, because I have to order certain quantities from the liquor commission, but when parties are given for our

    asked on May 16, 2013
  89. math

    an aquarium holding african cichlids is 2 inches higher than it is wide. Its length is 29 inches and its volumne is 3480 cubic inches. what is the height and width inches.

    asked on March 22, 2013
  90. physics

    A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

    asked on December 10, 2012
  91. prealgebra/ check answer please

    If 1,790 Mega Watts of power, out of the 3,000 Mega Watts generated by a power utility, reach the destination, what percentage of the generated power reaches its destination? 1,790 - 3,000 = 1,210 1,790 divided by 1,210 = 1.4 Answer 1.4% Unsure

    asked on June 23, 2012
  92. prealgebra/ check answer please

    John who is an amateur golfer spends 3 hours every day practicing golf. What percentage of his waking hours does John spend practicing golf if he sleeps 9 hours a day? 24-9=15 3/15= 0.2% Answer I am unsure if the steps are right

    asked on June 23, 2012
  93. Business

    If you were a business consultant hired to assist a company outline a strategy for going global, what country would you suggest they venture into, what three types of advice would you offer and why?

    asked on June 13, 2012
  94. math/algebra

    I’m working at this restaurant making $30,000 a year. Another restaurant really wants to have me manage their restaurant they are offering to pay me 2 ¾ times more then I make now. How much would I be making? show this is done please

    asked on June 3, 2012
  95. Math

    Shipwrecked marines wrote this message in the sand, knowing that their searchers would be able to decode it. What does it mean? 64 25 144 256

    asked on May 2, 2012
  96. Algebra

    Solve by factoring: 10t^2 – t − 2 = 0

    asked on July 2, 2011
  97. ethnics 125

    determine if the Irish colonized or if it immigrated to the United States. Did the Irish face prejudice, segregation, racism, or any combination of the three? If so, how and why?

    asked on May 29, 2011
  98. business

    how are business ethics different from and similar to laws?

    asked on May 28, 2011
  99. Understanding Busines

    How does the local, state, or national economy affect your business or place of employment

    asked on May 26, 2011
  100. survey of mathematics

    how is basic math used by a medical office manager?

    asked on May 19, 2011


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