Most popular questions and responses by Angie
  1. Chemistry

    The chemical equation for ionic reaction between Na2S and AgNO3??

    asked on April 1, 2015
  2. science

    in a baseball-hitting contest at the office picnic, five men participated named: Biff, Carl, Fred, Marty, and Tom. Their last names in alphabetical order are Jenkins, Keech, McNabb, Miller, and Winslow. The distance that each man hit the ball in feet are:

    asked on September 26, 2007
  3. science

    An astronaut of mass 120 kg recedes from her spacecraft by activating a small propulsion unit attached to her back. The force generated by a spurt is 30 N. Show that her acceleration is 0.25 m/s2.

    asked on September 15, 2013
  4. English

    Which quote from "The Morning of June 28, 1948" bes supports the conclusion that the public strongly disliked "The Lottery?" A. "this, as any writer of stories can tell you, is not a usual thing." B. "your story has kicked up quite a fuss around the

    asked on May 18, 2015
  5. English

    Edgar Allan Poe uses foreshadowing in "The Cask of Amontillado" to create mystery in which of the following quotes? A. "he had on a tight-fitting parti-striped dress, and his head was surmounted by the conical cap and bells." ****** B. "and as for

    asked on May 18, 2015
  6. English

    Which of the following lines from Marge Peircy's poem "To Be of Use" best demonstrates the speaker's view that work is gratifying?

    asked on May 18, 2015
  7. AP Chemistry

    Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

    asked on January 11, 2010
  8. Math Problem (please help)

    On the day of a child's birth, a deposit of $30,000 is made in a trust fund that pays 3% interest, compounded continuously. Determine the balance in this account on the child's 30th birthday. (Round your answer to two decimal places.)

    asked on September 9, 2014
  9. English

    In "The Most Dangerous Game, " how does Rainsford's survival depend on his adventurous bold nature? A. He has no sympathy for the animals he hunts. B. He is resourceful and refuses to play by Zaroff;s rules ****** C. He considers Zaroffs "sport"

    asked on May 18, 2015
  10. Science

    What general appearance does a graph line have if the dependent variable does not change with time?

    asked on January 29, 2009

     Which form best describes this poem?   narrative poem haiku free verse lyric poem

    asked on March 2, 2017
  12. 8th grade

    Surface ocean currents located at 40 degrees south latitude and 90 degrees west latitude generally flow toward the (1) northeast (2) southeast (3) southwest (4) west

    asked on December 27, 2008
  13. Math

    When Albert flips open his mathematics textbook, he notices that the product of the page numbers of the two facing pages is 156. Which equation could be used to find the page numbers that Albert is looking at? a. x+(x+1)=156 b.(x+1)+(x-2)=156

    asked on March 28, 2009
  14. Chemistry - Help

    Please help..Write the equation for the equilibrium constant (K) of the reaction. 2K2CrO4 + 2HCl -->

    asked on April 12, 2015
  15. English

    why might an author use a metaphor to enhance the meaning of fiction or poetry? A. to create an image in readers' mind ** B. to represent a larger thought or idea C. to give a story or poem a song-like quality D. to help set the mood of the story or poem

    asked on May 18, 2015
  16. Chemistry

    Which equation shows conservation of mass and charge? A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH → Li2SO4 + H2O D. Cu + 2Ag+ → Cu2+ + 2Ag It's either b or d, since they both have two elements with an oxidation number of 0. Which

    asked on May 21, 2011
  17. Statustics

    A survey found that women’s heights are normally distributed with mean 63.4 in and standard deviation 2.5 in. A branch of the military requires women’s heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height

    asked on August 4, 2014
  18. AP Chemistry

    You are given a small bar of an unknown metal X. You find the density of the metal to be 10.5g/cm3. An x-ray diffraction experiment measures the edge of the face-centered cubic unit cell as 4.09 A. (1A=10^-10m) Identify X.

    asked on November 14, 2009
  19. Chemistry

    Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium bromide is

    asked on July 26, 2014
  20. math

    identify the situation that each graph could represent

    asked on October 16, 2016
  21. Chemistry

    Consider the reaction between acetylene, C2H2, and oxygen in a welding torch: If 5.4 moles of acetylene react with sufficient oxygen, how many grams of CO2 will be formed?

    asked on April 6, 2015
  22. Texas History

    Emma is conducting a research project on Texas during the 1840s and 1850s. Which keyword search should she use to find information about why slavery grew

    asked on January 8, 2018
  23. algebra

    A survey of 70 Customers was taken at a bookstore regarding the types of books purchased. The survey found that 42 customers purchased mysteries, 34 purchased science fiction, 24 purchased romance novels, 18 purchased mysteries and science fiction, 12

    asked on May 25, 2016
  24. Chemistry

    Write a balanced overall reaction from these unbalanced half-reactions. Sn->Sn2+ Ag+->Ag Balanced overall equation I got Sn+2Ag+->Sn+2Ag, but its wrong.

    asked on November 20, 2016
  25. math

    Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles and 551 yards. What is this distance in yards? What is this distance in meters? (round yards to nearest whole number, round meters to one

    asked on September 30, 2015
  26. Chemistry/Math

    I'm not sure how to approach this problem. A manometer uses kerosene, specific gravity 0.82 as the fluid. A reading of 5 inches on the manometer is equivalent to how many millimeters of mercury?

    asked on September 17, 2012
  27. Math

    when 3g^2-4g+2 is subtracted from 7g^2+5g-1, what is the difference?

    asked on February 28, 2009
  28. math

    A basketball player is 6 ft. 4 in. tall and a volleyball player who is 1.75 m. 17. How tall is the basketball player in meters? How tall is the volleyball player in feet? (round to one decimal place)

    asked on September 30, 2015
  29. Math

    Water covers approximately 11,800 mi squared of Florida, which is about 18% of Florida's area. What is the total area of Florida to the nearest thousand square miles?

    asked on September 14, 2011
  30. Science

    Which structure is less likely to suffer severe damage uring an earthquake: a high-rise, steel-frame hotel built on sediments, or a wood-frame house built on bedrock? Explain.

    asked on March 19, 2009
  31. Algebra

    the width w of a rectangular swimming pool is x-2. The area of the playground is x^3-5x^2+2x+8. What is an expression for the length of the playground. x^2+3x+4 x^2+3x-4 x^2-3x+4 x^2-3x-4

    asked on June 2, 2016
  32. Math

    There are 1170 students in a school. The ration of girls to boys is 23 : 22. The system below describes..? relationships between the number of girls and the number of boys. g+b=1170 g/b=22/23 a. Solve the proportion for g. b. Solve the system. c. How many

    asked on March 31, 2009
  33. math

    A superball is dropped from a height of 2 m and bounces 90% of its original height on each bounce. (a) When it hits the ground for the eighth time, how far has it traveled? (b) How high off the floor is the ball on the eighth bounce?

    asked on June 8, 2012
  34. American History

    The economy rebounded in 1897 due to the A. economic policies of President McKinley. B.withdrawal of the Populists from national politics C.discovery of gold in Alaska D. Decline of the general price index. My answer is A

    asked on April 16, 2016
  35. AP Chemistry

    Iron has a density of 7.86 g/cm3 and crystallines in a body-centered cubic lattice. Show that only 68% of a body-centered lattice is actually occupied by atoms, and determine the atomic radius of iron.

    asked on November 14, 2009
  36. Math

    Megan answered 18 questions correctly on a test. That is 75 percent of the total number of questions. How many questions were on the test?

    asked on April 11, 2017
  37. Math

    is the area of a paperback book cover closer to 28 square inches or 28 square centimeters? Tell how you decided.

    asked on April 21, 2015
  38. physics

    Speedy Sue, driving at 30.0 m/s enters a one-lane tunnel. She then observes a slow-moving van 155m ahead traveling at 5.00 m/s. Sue applies her brakes but can accelerate only at -2.00m/s/s because the road is wet. Will there be a collision? If yes,

    asked on September 7, 2010
  39. calculus

    Skeletal remains had lost 70% of the C-14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)

    asked on March 2, 2014
  40. Physics

    A 200g block of copper at 90o C is dropped into 400g of water at 27o C contained in a 300g glass beaker at 27o C. What is the final equilibrium temperature of the mixture? cCu = 0.0924 cal/g°C cglass = 0.2 cal/g°C cwater = 1 cal/g°C

    asked on November 30, 2013
  41. Math

    Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total rowing time is 48 min, for how long does she row upstream? you can express your answer to the nearest minute. I don't understand

    asked on January 17, 2009
  42. American History

    Joseph Stalin was motivated to sign a nonaggression pact with Hitler. A,the Soviets’ need for economic and military aid B.Stalin’s desire to gain control of Eastern Europe c.Stalin’s sense that he needed to preempt a Nazi invasion. D.The need for an

    asked on April 17, 2016
  43. math

    Kate Davidson signed a simple discount note for $9,000. The discount rate is 5%, and the term of the note is 18 months. What is the annual percentage yield (APY)?

    asked on May 6, 2016
  44. math

    Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?

    asked on May 6, 2016
  45. Math

    The five candidates for mayor in the town Smallville were members of these five parties: conservative, Democrat, Independent, Liberal, and Republican. Their names are Goshen, Hargreaves, Jensen, Liebowitz, and Nelson. From the information given, determine

    asked on October 13, 2015
  46. DESPERATE NEED OF HELP--Chemistry, almost done

    Calculating Yield--need some help finishing problem. Almost done, just need help one ONE step, please help!!? Well we did a lab on limiting reagent/reactants. The balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3 Mols of Sr(NO3)2 used was .005023

    asked on February 28, 2007
  47. Science

    the gravitational force between two objects is proportional to the blank of the distance blank

    asked on November 5, 2013
  48. Math

    Charles's Law states that at constant pressure, the volume of a fixed amount of gas varies directly with its temperature measured in degrees Kelvin. A gas has a volume of 250 mL at 300 K. what is an equation for the relationship between volume and

    asked on January 24, 2009
  49. Chemistry

    An unknown metal has a mass of 4.67g. It is heated to 95.1 C and then placed in a calorimeter that contains 24.3g of water at 21.7 C. The metal and water both reach a final temperature of 24.6 C. What is the specific heat of this metal? What is the unknown

    asked on November 16, 2016
  50. Algebra

    Find a mathematical model representing the statement. (Determine the constant of proportionality.) v varies jointly as p and q and inversely as the square of s. (v = 2.1 when p = 4.2, q = 5.4 and s = 2.4.) v =

    asked on November 25, 2014
  51. math

    Suppose you have $28.00 in your bank account and start saving $18.25 every week. Your friend has $161.00 in his account and is withdrawing $15 every week. When will your account be the same?

    asked on April 2, 2009
  52. math

    For the city park commission, you are designing a marble planter in which to plant flowers. You want the length of the planter to be six times the height and the width of to be three times the height. The sides should be one foot thick. Since the planter

    asked on February 23, 2008
  53. chemistry

    Suppose f′′(x)=−36sin(6x) and f′(0)=−5, and f(0)=−3 f(π/3)=?

    asked on November 18, 2016
  54. Government Philosophies

    Which statement BEST describes a social contract? A. an implied agreement between citizens and government in which citizens release some liberty to government for the good of society B. a contract between local residents and providers of basic services

    asked on August 20, 2019
  55. Math

    eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the chain , in feet, will each member make?

    asked on December 9, 2014
  56. math

    Suppose you need $2.40 in postage to mail a package to a friend. You have 9 stamps, some $0.20 and some $0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9

    asked on April 10, 2009
  57. Chemistry

    Is the formation of C2H2 endothermic or exothermic?

    asked on April 3, 2016
  58. Science

    Waste produced by people in New York State has been dumped into the Atlantic Ocean, where it is distributed by surface ocean currents. Which coastal area is most likely to become polluted by this waste? A west coast of Mexico B south coast of South America

    asked on February 5, 2009
  59. maths


    asked on March 20, 2013
  60. Language Arts

    To this the strategist Odysseus answered: Why is he referred to as "the strategist Odysseus'? “My lady goddess, here is no cause for anger. My quiet Penelope-how well I know- Would seem a shade before your majesty, Death and old age being unknown to you,

    asked on November 13, 2013
  61. chemistry

    what is the empirical formula for a compound whose molecular formula is C2Cl6

    asked on October 16, 2010
  62. Physics

    I really need help... You are on a treasure hunt and your map says "Walk due west for 52 paces, then walk 29.0° north of west for 39 paces, and finally walk due north for 25 paces." What is the magnitude of the component of your displacement in the

    asked on October 8, 2010
  63. Math

    Which ordered pair is a solution of the system of equations y=x^2-x-20 and y=3x-15? a. (-5,-30) b. (-1,-18) c. (0,5) d. (5,-1) When I solved the system of equations I got 5 and -1. What do I do next?

    asked on May 17, 2009
  64. english

    Identify the verbal in this sentence as infinitive, gerund or participle. Wearing protective clothing is a good precaution against infection.

    asked on July 27, 2014
  65. Math

    A gas tank is 1/4 full. Abby adds 4 gallons and now it is 5/8 full. How many gallons does the tank hold?

    asked on December 11, 2012
  66. Science

    Fill in the blank- The gravitational force between two objects is proportional to the ______ of the masses of the objects.

    asked on October 30, 2013
  67. American History

    The results of the 2000 presidential election were difficult to determine because of A,Ralph Nader’s third-party candidacy b.both candidates being baby boomers irregularities in the state of Florida D.he Electoral College votes being evenly

    asked on April 22, 2016
  68. Dine

    Men spend an average of 29 minutes per day on weekends and holidays exercising and playing sports. They spend an average of 23 minutes per day reading. A random sample of 25 men resulted in a mean of 35 minutes exercising with a standard deviation of 6.9

    asked on November 10, 2014
  69. chemistry

    Balance the following equation: K2CrO4+Na2SO3+HCl--->KCl + Na2SO4+CrCl3+H2O Enter the coefficients for each compound, separated by commas, in the order in which they appear in the equation (e.g., 1,2,3,4,5,6,7).

    asked on November 2, 2012
  70. math

    Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%. What are the proceeds Webster Digital will receive

    asked on May 6, 2016
  71. AP Chemistry

    Why is HCI added on a drop-by-drop basis to ensure complete precipitation of Group 1 chlorides initially, rather than just added all at once? HCI forms a mixture of AgCI, PbCI2, Hg2CI2

    asked on November 12, 2009
  72. Algebra

    Suppose a farmer has 120 feet of fencing to make a rectangular barnyard enclosure. If the enclosure is x feet long, express the area A of the enclosure as a function of the length x.

    asked on June 22, 2009
  73. Physics

    A block of mass m1 = 4.1 kg rests on a frictionless horizontal surface. A second block of mass m2 = 1.7 kg hangs from an ideal cord of negligible mass that runs over an ideal pulley and then is connected to the first block. The blocks are released from

    asked on January 25, 2010
  74. psychology

    At the age of four months, Zach was excitable and fearful. His dad taped a colorful picture beside the changing table to entertain Zach during diaper changes. Zach overreacted to the picture and became agitated and nervous. During his school years, Zach is

    asked on January 3, 2013
  75. Physics

    A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?

    asked on January 28, 2014
  76. Science

    most inferences about the characteristics of earth's mantle and core are based on a. the behavior of seismic waves in earth's interior b. chemical changes in exposed and weathered metamorphic rocks

    asked on March 4, 2009
  77. Science

    When 1 gram of liquid water at 0 degrees Celsius freezes to form ice, how many total calories of heat are lost by the water and how do you know? a. 1 b. 0.5 c. 80 d. 540

    asked on June 15, 2009
  78. Science

    what is the source of the magma that fuels the island arc complex? a. continental crust b. the subducted plate c. the overrriding plate d. the volcanoes that make up the complex

    asked on March 23, 2009
  79. physics

    A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.

    asked on November 28, 2010
  80. literature

    1. Hopkins's use of "seared," "bleared," and "smeared" is an example of A. metaphor. B. assonance. C. simile. D. alliteration. 2. A villanelle is A. a narrative poem written in blank verse. B. a formal poem using extensive repetition. C. a favorite

    asked on December 9, 2008
  81. Physics

    A Jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane’s acceleration in g’s?

    asked on November 20, 2013
  82. Math

    How do you solve this question: The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?

    asked on May 25, 2009
  83. Math

    how do you find the constant of variation k for the direct variation? for example, 4x + -6y. how do you find k?

    asked on January 30, 2009
  84. Math

    You go to dinner and decide to leave a 15% tip for the server. You had $45 when you came to tthe restaurant. What is a function that relates the cost of the meal c to the amount of money you have left A(c).

    asked on January 21, 2009
  85. english

    There is a text named Adolescent Confusion by Maya Angelou, and I have to write a paragraph about : Most teenagers are, at times, as impulsive and unthinking as Angelou was. Write a narrative about a time during your teenage years when you did something

    asked on September 24, 2016
  86. eng III

    Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. He responds whenever he is called.

    asked on July 16, 2014
  87. Physics

    Why is it that when water is in a bucket and spinning around in a circular motion and then upside down the water in the bucket does not move or spill? Am not sure on what terms to use to explain why this happens

    asked on November 4, 2009
  88. Math

    You have a total of 21 coins, all nickels and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes d and the number of nickels n that you have. I already wrote the equations: n+d=21 and 10d+5n=1.70. But I don't

    asked on April 20, 2009
  89. Physics

    A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle of radius 85.0cm. If its speed is 4.15 m/s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its path, and (b) at the

    asked on November 20, 2013
  90. Physics HELP!!

    A loudspeaker is placed between two observers who are 113m apart, along the line connecting them. If one observer records a sound level of 51.8dB and the other records a sound level of 75.8dB, how far is the speaker from each observer? Enter the longest

    asked on November 30, 2012
  91. Math

    Suppose your community has 4512 students this year. The student population is growing 2.5% each year. Write an equation to model the student population. (y=a*b^x)

    asked on April 14, 2009
  92. Math

    A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. A box-and-whisker plot represents the number of tickets sold. minimum-100 maximum-8 1st quartile-300 median-400 3rd quartile-600 Which conclusion can be

    asked on June 10, 2009
  93. Math

    Point (k,3) lies on the line whose equation is x-2y=-2. What is the value of k? a.-8 b.-6 c.6 d.8

    asked on March 28, 2009
  94. math

    What is the annual percentage yield (APY) of a simple discount note for $7,000 at a bank discount rate of 6%, for 3 months?

    asked on May 6, 2016
  95. Physics

    Determine the stopping distance for a skier moving down a slope with friction with an initial speed of 20.6m/s. Assume μk=0.178 and θ=5.27.

    asked on October 28, 2012
  96. Math

    A farmer grows only sunflowers and flax on his 240-acre farm. This year he wants to plant 80 more acres of sunflowers than that of flax. How many acres of each crop does the farmer need to plant?

    asked on March 30, 2009
  97. Algebra

    Identify the property that justifies the statement (5+7)6=30+42 Would this be the distributive property or Inverse Prop of Multi? Kind of confused Thank you

    asked on February 13, 2017
  98. Advanced Accounting

    Mr. White (invested $20,000) and Mr. Black (invested $10,000) are in a partnership to run a marketing firm. They share profits and losses in the ratio of 2:1, which is also the ratio of their initial investment in the business. Mr. White manages the office

    asked on December 3, 2012
  99. Math

    How do you find the answer for this: Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have? a. 13 b. 15 c. 29

    asked on May 25, 2009
  100. calculus

    Find two numbers whose product is 16 and whose sum of squares is minimum

    asked on December 21, 2016


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