Popular questions and responses by cat
  1. physics

    A) A hot air balloon has just lifted off and is rising at the constant rate of 1.70 m/s. Suddenly, one of the passengers realizes she has left her camera on the ground. A friend picks it up and tosses it straight upward with an initial speed of 10.4 m/s.

    asked on January 25, 2014
  2. Chemistry

    At 25C only .0190 mol of the generic salt AB2 is soluble in 1.00L of water. What is the Ksp of the salt at 25C? AB2A^2+ + 2B^- I took the .0190 mol and doubled it and multiplied by .019 again and got 6.859x10^-6 and got it wrong what should I do? Please

    asked on July 20, 2013
  3. physics

    a)Two cars are traveling along a straight line in the same direction, the lead car at 24.5m/s and the other car at 29.6m/s. At the moment the cars are 41.6m apart, the lead driver applies the brakes, causing her car to have an acceleration of -2.00m/s2.

    asked on January 23, 2014
  4. statistics

    Jesse took two data points from the weight and feed cost data set and calculated a slope, or average rate of change. A rat weighs 3.5 pounds and costs $4.50 per week to feed, while a Beagle weighs 30 pounds and costs $9.20 per week to feed. Using weight as

    asked on June 24, 2015
  5. psy

    1. Barney: Last winter, I slipped on the outside stairs of PineTree Café and broke my leg. My fall was caused by ice on the stairs that the restaurant failed to remove. Since the restaurant clearly did not provide a safe atmosphere for its customers, I am

    asked on September 25, 2010
  6. psy

    Political science professor: Many people insist that the Internet is revolutionizing the political process. They argue that Internet debates and online political polls and chat rooms give people greater access to political information. And they’re right

    asked on September 25, 2010
  7. psy

    10. Career counselor: It is best for artists to build a practical and safe career that will guarantee them a secure income, and then pursue their art in their spare time. That way, they will be motivated to work hard at their day jobs to support their art

    asked on September 25, 2010
  8. LA

    Poets use imagery and words with different connotations and denotations. In a paragraph, define and provide an example of imagery, connotation, and denotation. Then, explain how poets use these elements to contribute to tone in a poem. Support your answer

    asked on March 7, 2016
  9. psy

    Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this

    asked on September 25, 2010
  10. Physics

    When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of a star's mass outward, in the form of a rapidly expanding spherical shell. As a simple model of the supernova process, assume

    asked on January 29, 2013
  11. LA

    which of the following best relates to these details in "winter"? frogs burrow the mud/ snails bury themselves

    asked on February 13, 2015
  12. Physics

    The potetial energy of a spring is 0.25 J when it is compressed 0.05m to the left of the equilibrium position. At this point it comes to its leftmost position. What is its kinetic energy when it returns to its equilibrium point? a. zero b. 0.25 J and the

    asked on February 23, 2012
  13. psy

    Arthur: The solutions to most mystery novels I read are not believable. However, my enjoyment of a mystery novel depends only on its suspenseful mood and colorful characters. Norton: Roughly 80% of the mystery novels I read have believable solutions, which

    asked on September 25, 2010
  14. check english answers please??

    Match the definition with the appropriate word. A. an appeal to logic B.the emotion that a speaker demonstrates towards his or her subject appeal to the credibility of the speaker appeal to the emotion E.devices in a speech that seek to convince

    asked on March 9, 2016
  15. Science

    The Ka for the H2PO4–/HPO42– buffer is given by the equation: Ka= ([HPO4^-2]gamma [H^+])/[H2PO4^-]=10^-7.20 What is the pH of a 2:3 mixture of H2PO4– to HPO42– at 0.10 M ionic strength? (See the table for the activity coefficients.) I just am not

    asked on December 3, 2014
  16. Social studies

    Which of the following best summarizes Hoover's initial response to the great depression? He believed the government should provide jobs for all Americans He believed people should have invested more wisely He believed private charities would meet all of

    asked on April 18, 2017
  17. PSY

    22. A company can either invest in employee training seminars or update its computer network. Since updating the computer network would result in more measurable benefits, the company would be best off updating its computer network. The argument above

    asked on September 25, 2010
  18. psy

    The higher the price of an antique, the greater people’s expectation that the object is rare. That, in turn, makes the antique appear more valuable. If the statements above are correct, then offering an antique for sale at a bargain price (Points : 1)

    asked on September 25, 2010
  19. Chemistry

    Complete this table of initial and final concentrations HF(aq) + KOH(aq) KF(aq) + H20(l) Initial concentrations: HF-2.0M KOH-1.0M KF-0M Final Concentrations? how do I set this up to figure out the final concentrations? How can I tell which of the following

    asked on July 16, 2013
  20. Algebra 1

    What is the simplified form of this product?((x+1)/(x^2-25))*((x+5)/(x^2+8x+7))

    asked on March 27, 2019
  21. Math \ algebra

    The table shows the amount of money made by a summer blockbuster in each of the first four weeks of its theater release. Which graph could represent the data shown in the table? A table showing the week and the money made; week 1, $19,600,000, week 2,

    asked on March 3, 2016
  22. math

    Sam purchased 625 square feet of carpet for his bedroom, which is shaped as a square. What are the dimensions of his bedroom? Each side of the bedroom has a length of 25 feet. Each side of the bedroom has a length of 156.25 feet. Each side of the bedroom

    asked on February 22, 2015
  23. college physics

    An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 400-g sample of silver at an initial temperature of 87°C is placed in the water. The stirrer is used to stir the mixture gently until it reaches its final equilibrium

    asked on December 3, 2012
  24. College Chemistry

    calculate the initial concentration of SCN- ions and Fe3+ ions when a solution was prepared by mixing 3.00mL of 0.00280M KSCN, 6.00 mL of 0.250M Fe(NO3)3 and 16ml of 0.050M HNO3.

    asked on February 10, 2014
  25. physics

    The drawing shows an intravenous feeding. With the distance of 0.610 m, nutrient solution (ρ = 1010 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury.

    asked on October 28, 2012
  26. Chem

    1) HCL 2)H2S 3)HNO3 4) H2SO4 5)H2O contains the lowest percent by mass of hydrogen.

    asked on June 19, 2016
  27. Biology

    Assuming that the conditions of the Hardy-Weinberg equilibrium are met, determine the genotype and phenotype frequencies in the second generation of a population containing 64% tasters and 36% nontasters q2 = _________ Tasters ____________ q =

    asked on March 31, 2008
  28. Physics

    a cube has six faces and twelve edges. you start at one corner,are allowed to move only along the edges and may not retrace your path along any edge. Consistent with these rules, there are any number of ways to arrive back at your starting point. For

    asked on August 9, 2017
  29. Social Studies

    Which of the following is an example of what people experienced during the great depression? More American's send their children away from home to get an education People cut their dining out and moving to only once a week Millions become jobless,and many

    asked on April 20, 2017
  30. Science

    Imagine Two Artificial Satellites Orbiting Earth At The Same Distance. One Satellite Has A Greater Mass Than The Other One? Which Of The Following Would Be True About Their Motion? A.The satellite with the greater mass is being pulled toward Earth w/ less

    asked on October 31, 2016
  31. statistics

    If I am using a venn diagram, the probability that event A occurs or event B occurs but not both. What is my formula? I am soooo very confused..

    asked on July 7, 2015
  32. math

    the width of a math textbook is 0.75 inches. how many math textbooks can be placed standing up on a shelf that is 18 inches wide

    asked on April 11, 2015
  33. physics

    Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically, this disc has a radius of about 2.85 10-2 m and a thickness of about 7.14 10-3 m. The shear modulus of cartilage is 1.16 107 N/m2. Suppose that a shearing

    asked on October 18, 2012
  34. math final studying

    beth scored 75 on her first math test. she scored 20 % higher on her next math test. what did she score on the second test?

    asked on May 18, 2011
  35. puzzled for english

    solve these riddle for ur next clue the early bird catches the worm beaty blank nature take blank to the heart these need to make sense

    asked on April 4, 2011
  36. Art

    Please can someone name an artist who bases their art work theme on 'good and bad' or 'good and evil'. And an artist who uses colour to show emotions? Thankyou!

    asked on April 19, 2009
  37. Algebra

    If a mole is equivalent to 6.02x10^23 molecules, and a liter of water has about 55.5 moles of H20, how do I find the amount of molecules this is? (btw--thanks David for answering my last question) But I don't think I quite understand this. (stupid doctor's

    asked on March 10, 2009
  38. History

    What is the name of the Greek poet who wrote Iliad and the Odyssey? A. Valmiki B. Odysseus **** C. Vyasa D. Homer Socrates • used the Socratic method to teach people how to think by asking them questions • accused of denying the gods, being a bad role

    asked on January 24, 2020
  39. History

    Which of the following were the three main parts of Athenian democratic government? A. the Congress, the Council, and the Assembly B. the House of Representatives, the President, and the Assembly C. the Assembly, the Courts, and the President D. the

    asked on January 14, 2020
  40. Algebra 1

    What is the simplified form for the product? ((x+1)/(x^2-25))/((x+5)/(x^2+8x+7))

    asked on March 27, 2019
  41. History

    what best describes alexander the great He believed in greatness He killed Darius lll. He ruled all of Persia He was never obsessed**** Am I right?

    asked on October 18, 2018
  42. math

    Find a cubic polynomial p(x) so that the solution of p(x) ≤ 0 is [-2,1] or [4,∞). Is your polynomial the only one that gives this solution? Explain.

    asked on March 8, 2017
  43. social studies

    which two of the following characteristics are necessary for a state to exist? territory** judiciary sovereignty constitution federal system organized government** separation of power

    asked on November 1, 2016
  44. Science 7

    1. A student studying a circuit diagram of a lightbulb, battery, and a switch correctly identifies it as a closer circuit. In this diagram, The lightbulb would be a. an insulator b. on*** c. disconnected d. off 2. The focus of gravity on an object on the

    asked on November 1, 2016
  45. Chemistry

    When 6.0L of H2 reacts with 2.0L of N2, 4.0L of gaseous product are formed. All volumes of gases are measured at the same temperature and pressure. What is the formula of the product? Hint: Assume all reactants are consumed.

    asked on February 21, 2016
  46. statistics

    the probability of NOT drawing either a club or a queen from a standard deck of 52 cards is???

    asked on July 5, 2015
  47. statistics

    In blackjack with one card dealt already? What is the probability it is a Ace, given that it is not a face card?

    asked on June 9, 2015
  48. math

    Cecily Made a poster in the shape of a quadrilateral. All the angles and sides of the poster are congruent. Which of the following names the shape of Cecily's poster Square (a) rectangle (b) pentagon (C) trapezoid (D)

    asked on February 20, 2015
  49. science

    Compare and contrast the reproduction of mosses, ferns, gymnosperms, and angiosperms

    asked on September 13, 2013
  50. science

    why is sexual reproduction better than a sexual reproduction for ensuring the survival of a species in a changing environment?

    asked on September 13, 2013
  51. pre calculus

    Hi, I am having a problem trying to find and understanding how to find the extreme values. I have a problem which I can't do. Will someone please explain for me how to do it. I would like to be able to do other similar problems. This is the problem I am

    asked on June 16, 2013
  52. pre calculus

    Hi, I am having a problem trying to find and understanding how to find the extreme values. I have a problem which I can't do. Will someone please explain for me how to do it. I would like to be able to do other similar problems. This is the problem I am

    asked on June 16, 2013
  53. college physics

    A 55-kg woman cheats on her diet and eats a 465-Calorie (465 kcal) jelly doughnut for breakfast. (c) If the human body is only 24% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakfast?

    asked on December 3, 2012
  54. math

    at the bowling alley Angela rented shoes for $3.00. It cost her $2.50 to bowl each game. develop an equation using the form C(x)=mx+b, where C(x) is the total cost and x is the number of games bowled.

    asked on November 28, 2012
  55. spelling

    What does v/cv and v/va mean

    asked on January 24, 2012
  56. math

    a hotel chain charges $120 per room and rents an avg of 40 rooms per night at this rate. For each $10 reduction in price, they rent an avg of 10 more rooms. Find the rate they should be charging to maximize revenue. Help please! Thanks!

    asked on April 6, 2011
  57. psy

    18. Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. conductor : orchestra (Points : 1) skater : rink teacher : principal producer : movie l eaning toward this one,

    asked on September 25, 2010
  58. psy

    17. The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses (Points : 1) Jerry with

    asked on September 25, 2010
  59. psy

    Some drugs combat obesity or alcohol addiction by turning off pleasure centers in the brain. However, if the dosage is too high, there’s a risk that people taking them will be plunged into depression. The statements above, if true, support which one of

    asked on September 25, 2010
  60. Business ethics

    Discuss the roles of government, business, and the consumer in environmental protection. Justify your position.

    asked on March 28, 2009
  61. Algebra I

    ...excess information.... The historical society tells him that furniture similar to his has been appreciating in value at 10% per year for the last 20 years and that his furniture could be worth $10,000 now. Is my expression 10,000(1+.1)^x? If so, I have

    asked on March 9, 2009
  62. math

    What number gives the same result when multiplied by 6 as it does when 6 is added to it?

    asked on January 13, 2009
  63. Biology

    According to the Theory of Evolution, Natural Selection is the mechanism by which evolution occurs. Remember: evolution occurs at the level of the population. Individuals do not evolve, populations evolve. The process of Natural selection is based on the

    asked on September 18, 2008
  64. Physics

    A satellite has a mass of 6146 kg and is in a circular orbit 4.57 × 105 m above the surface of a planet. The period of the orbit is 1.6 hours. The radius of the planet is 4.44 × 106 m. What would be the true weight of the satellite if it were at rest on

    asked on January 23, 2013
  65. Math

    What is the absolute value of -35? Thank u in advance for ur help

    asked on February 13, 2020
  66. Math

    2 1/3 * 7 7/8 = ? Please help I'm stuck on this one:)

    asked on December 17, 2019
  67. Math

    12 lb 8 oz + 17 lb 8 oz = ?

    asked on December 16, 2019
  68. Math

    How much time is in 1:12 to 8:11? Elapsed time My guess 7hr 59min I need some help please I have been stuck on this question for a while.

    asked on December 12, 2019
  69. Math

    A firm of attorneys deposits $15,000 of profit sharing money every six months in an account at 3% compounded semiannually for 7 1/2 years. Find the amount of interest earned.

    asked on September 13, 2019
  70. History


    asked on September 5, 2019
  71. Science

    How do micro organisms affect the quality of soil

    asked on February 13, 2019
  72. Math

    Seth invested n dollars into an investment fund last year. After a period of one year, the value of his investment can be represented by the expression 0.84n. Select the true statement.

    asked on December 28, 2018
  73. chemistry

    find the limiting reagent for each set of reactants 4NH3(g) +3O2(g) = 2N2(g) + 6H2O(l) if you have 7.00 mol NH3 + 5.00 mol O2

    asked on April 26, 2018
  74. Riddle pumpkin

    What is the best thing to put in pumpkin pie??

    asked on November 7, 2017
  75. Geometry

    Ok so, I have to find the surface area of a triangular pyramid which is, S=B+1/2Pl and so far I've got S=10+1/2(8.7x6.7) which equals 39.145, is this correct? I just want to double check, if not, then I'd really appreciate some help!

    asked on May 15, 2017
  76. statistics

    A new process is started and the sum of the sample standard deviation for 20 subgroups, of size 8, is 750; Compute, to 3 decimal places, the process standard deviation, σ0:

    asked on April 8, 2017
  77. History

    How did the great depression begin? Investors began to worry the boom would end and began selling stocks. Investors paid back their loans too late to help the economy People were not willing to sell their stock Farmers had to sell stock pay for farm

    asked on April 6, 2017
  78. science plz correct me

    Which of the following boxes would have the strongest gravitational pull on a third object positioned at an equal distance from both boxes? Box A: 100 g Box B: 10,000 g A. box b because it has more mass B. box a because it has less mass C. box a because it

    asked on November 1, 2016
  79. science

    according to ohms law what is the resistance of a lightbulb if that applied voltage is 21.0 V and the current is 3.0 amps? 24 ohms 7.0 ohms** 18 ohms 3.0 ohms

    asked on November 1, 2016
  80. Science 7

    Which of the following boxes would have the strongest gravitational pull on a third object positioned at an equal distance from both boxes? Box A: 100 g Box B: 10,000 g A. box b because it has more mass B. box a because it has less mass C. box a because it

    asked on November 1, 2016
  81. social studies

    Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited

    asked on November 1, 2016
  82. Science 7

    a student made an electromagnet using a battery electrical tape and metal wire. she wanted to see what the effect would be if she switched the side of the battery she connected each end of the wire to. which of the following would be a correct conclusion

    asked on October 31, 2016
  83. Social studies 9

    Imagine a political candidate, Maria Gutierrez, Gutierrez has appeared on television as part of a multi-candidate debates. However, she is also invited often to discuss and debate views by herself on a popular news channel. 3. How will the news channels

    asked on October 26, 2016
  84. Math (Algebra)

    Train A left the station traveling 60 miles in 1 hour. 30 minutes later, train B left the same station traveling 75 miles in 1 hour. How many hours will it take for the two trains to meet up? I know that a formula, D=V*T, might be useful while solving the

    asked on October 13, 2016
  85. History 9

    11. What was the impact of Minutemen during the revolutionary war? A) they were able to resist British forces using the same tactics that British soldiers used B) they set up signals to warn the regular american army whenever British soldiers were

    asked on October 7, 2016
  86. History

    7. What was significant about the role of the green mountain boys? Select three answers. A) they launched a surprise attack on fort Ticonderoga and defeated the British*** B) they assisted Washington and his troops in launching a suprise attack in

    asked on October 7, 2016
  87. History

    6. What effect did the capture of fort Ticonderoga have on the fighting in Boston between the American colonists and the British? A) the British left Boston when they saw the forts military weapons positioned on Dorchester heights**** B) the British

    asked on October 7, 2016
  88. English

    Write an informal personal letter to a friend down his invitation for a birthday party.

    asked on July 31, 2016
  89. biology

    hi. I would like to know in reference to wind and insects moving pollen to different species of flowers at the same time, why doesn't pollen in one species fertilize egg of a second species thus forming hybrids?

    asked on February 29, 2016
  90. math

    Each edge of the cube measures 24 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 6 inches. How many tiles will he need?

    asked on February 11, 2016
  91. social studies

    americas industrial revolution began to take root in A) New England B) the west C) the Middle Atlantic D) the South

    asked on January 27, 2016
  92. Woodrow Wilson

    Can someone help me figure out the views of Woodrow Wilson? I know he was Pro Imperialists but does anyone have any other info on him and his views?

    asked on January 21, 2016
  93. World History check my answers

    Please check my answers. I put a star* by the one i chose. 1. What innovation is Henry Ford credited with pioneering? a. Combustion engines b. Assembly line* c. Increasing workers’ pay 2. Identify one of the troubles the Coolidge administration faced

    asked on January 18, 2016
  94. math

    Aaron Grider buys a home for $120500. After a 15% downpayment, the rest is financed at 8% interest for 9 years. What equal quarterly payments will be required to amortize this mortgage loan? What is the total amount of interest Aaron will pay on the loan?

    asked on November 4, 2015
  95. damped oscillator

    How do I show mathematically that Q is equal to the following in a damped oscillator? The quality factor Q of a damped oscillator is defined as Q=2pi τ(tau) /T. Show mathematically that Q is equal to 2pi*)energy of oscillator/energy lost by oscillator

    asked on October 15, 2015
  96. Math

    A particle starts at the origin and moves along the curve 4y = x^2 to the point (4, 4). If the y-component of its acceleration is always equals 2 and the y-component of its velocity is initially zero, find the x-component of its acceleration.

    asked on October 6, 2015
  97. Sicience

    Calculate the density of a liquid that has a mass of 20g and a volume of 315.4ml

    asked on September 13, 2015
  98. statistics

    Joe owns a clothing store, he keeps 15% of the shirts on display in the window. he knows if a shirt is in the window there is a 70% chance of it being sold that week. The probability that the shirt in the display window will be sold within the week is?????

    asked on July 7, 2015
  99. statistics

    How do I find the probability of an event A occurring or an event B occurring but not both? How do find this equation with a Venn diagram?

    asked on June 30, 2015
  100. statistics

    Jesse put the heartbeat and lifespan data into a statistical software program and found the coefficient of determination to be 64%. The value of the correlation coefficient is __________.

    asked on June 24, 2015


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