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. 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
  3. 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

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

    asked on March 2, 2017
  5. 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
  6. math

    identify the situation that each graph could represent

    asked on October 16, 2016
  7. 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
  8. 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
  9. 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
  10. Chemistry - Help

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

    asked on April 12, 2015
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. Math

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

    asked on February 28, 2009
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. Science

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

    asked on November 5, 2013
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. maths


    asked on March 20, 2013
  40. 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
  41. 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
  42. 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
  43. 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
  44. Chemistry

    Is the formation of C2H2 endothermic or exothermic?

    asked on April 3, 2016
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. Science

    What is the process through which mid-ocean ridges (rifts) normally form?

    asked on February 23, 2009
  61. chemistry

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

    asked on November 18, 2016
  62. math

    find the function rule x -2 -1 0 1 2 y 9 4 -1 -6 -11

    asked on October 15, 2016
  63. 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
  64. 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
  65. 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
  66. Math

    A taxicab charges $2.50,plus$1.78 per kilometer. How long is a trip that costs 21.19?

    asked on December 2, 2016
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. DRAMA

    One difference between tragedy and comedy is that tragedy A. uses supernatuarl elements B. usually features an extraodinary hero. C.makes us laugh at ourselves,not others. D. uses metaphors and analogy to make its point

    asked on September 18, 2011
  75. 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
  76. math

    Alicia borrowed $8,500 at 6% ordinary interest for 180 days. After 40 days, she made a partial payment of $2,000. After another 70 days, Alicia made a second partial payment of $2,000. What is the final amount due on the loan?

    asked on May 6, 2016
  77. Physics

    A 61-kg person on skis is going down a hill sloped at 30¡Æ from the horizontal. The coefficient of friction between the skis and the snow is 0.16. What would be the magnitude of the acceleration? An crate weighing 576 N is resting on a plane inclined

    asked on October 16, 2009
  78. Syllables

    How many syllables are in chocolate? 2 or 3?

    asked on June 7, 2009
  79. 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
  80. 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
  81. Science

    which is more dense, cold freshwater or warm seawater? why?

    asked on January 28, 2009
  82. 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
  83. Advanced Accounting

    GAAP rules are clear about when a company needs to consolidate or not, but companies tend to find loopholes to circumvent this rule. GAAP clearly indicates that consolidated financial statements are “usually necessary for a fair presentation when one of

    asked on December 3, 2012
  84. 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
  85. Physics HELP!!

    Two masses of 3.40kg and 4.55kg are connected by a light string that passes over a frictionless pulley. Determine the tension in the string. b). Calculate the acceleration of m

    asked on October 28, 2012
  86. 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
  87. 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
  88. science

    Which statement best explains why dating geologic materials from the Quarternary Period uses a different radioactive isotope than for materials from the cambrian Period? a. all rocks contain radioactive substances. b. some isotopes decay faster than

    asked on April 4, 2009
  89. Science

    The separation of P-waves and S-waves on a seismogram recorded 4500 km from the epicenter of an earthquake is six minutes. On another seismogram that separation is seven minutes. Is the second station closer to or more distant from the epicenter? Explain.

    asked on March 16, 2009
  90. Math?

    I have to do this portfolio and I have read back and can’t find what I am suppose to be writing or doing help!! Misleading Media Watchdog Portfolio 6th grade

    asked on September 6, 2018
  91. please check see if im correct

    A cereal manufacturer claims to include 18.7 ounces of cereal in each box, with a standard deviation of 0.2 ounces. A random sample of 25 boxes shows an average of 18.5 ounces. Which of the following statements is correct? A. The claim is likely untrue,

    asked on September 8, 2014
  92. History

    Humans modify the environment in places they live. For example, people convert fields and forests into towns and irrigate arid land to support farming. Give 2 examples of ways people have modified the environment where we live.

    asked on September 4, 2012
  93. chemistry

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

    asked on October 16, 2010
  94. physics

    A toy car with a mass of 120 g moves to the right with a speed of 0.56 m/s. A small child drops a 25.0-g piece of clay onto the car. The clay sticks to the car and the car continues to the right. What is the change in speed of the car? Consider the

    asked on February 28, 2010
  95. 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
  96. 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
  97. math

    Bill and Rosa have only nickels and dimes. Rosa has 75 cents and Bill has 90 cents. Each has the same number of coins and Bill has the same number of dimes as Rosa has nickels. How many nickels does Rosa have?

    asked on March 14, 2011
  98. Accounting

    Jones Company had 100 units in beginning inventory at a total cost of $10,000.The company purchased 200 units at a total cost of $26,000. At the end of the year, Jones had 80 units in ending inventory. Instructions (a) Compute the cost of the ending

    asked on May 2, 2010
  99. Science

    If Earth's axis had no tilt, we'd only have spring and fall for seasons, right? But which hemisphere would get the vernal equinox and which would get the autumnal?

    asked on April 29, 2009
  100. science

    Scientists believe that Earth's early atmosphere changed in composition as a result of a. the appearance of oxygen-producing organisms b. the drifting of the continents c. the changes in Earth's magnetic field d. a transfer of gases from the Sun

    asked on April 6, 2009


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