Most popular questions and responses by Kate
  1. check my work

    1. Which of the following events happened last? (1 point) the Stamp Act the Intolerable Acts the establishment of the first British colony in the New World the Writs of Assista 2. What is a legitimate government? (1 point) one in which government leaders

    asked on August 19, 2016
  2. Health and Physical

    The structures responsible for carrying information all over your body are? A. Muscles B. Alveoli C. Neurons (D). Blood Cells

    asked on April 24, 2015
  3. english

    1. All of the following define the theme of a story EXCEPT (1 point) the central idea of a work the underlying message in literature the methods of characterization employed by the writer the lesson, or moral, of the story which can be inferred by readers

    asked on August 15, 2014
  4. english

    1. In “At the Tourist Centre in Boston,” the speaker's tone can best be identified as (1 point) disapproving. downcast. enraged. sarcastic. 2. Which line from the poem best supports the tone identified above? (1 point) "the green of the trees dulled;"

    asked on August 15, 2014
  5. Check my answer?

    Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary. My answer: 88.9%

    asked on January 8, 2014

    A 900 kg car pushes a 1900 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4800 N. (a) What is the magnitude of the force of the car on the truck? (b) What is

    asked on June 21, 2011
  7. physics

    A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 92 m above the glacier at a speed of 135 m/s. How far short of the target should it drop the package?

    asked on June 19, 2011
  8. Chemistry

    (A) calculate the density of NO2 gas at 0.970atm and 35 Celsius. (B) calculate the molar mass of a gas if 2.50g occupies 0.875L at 685torr and 35 Celsius. Answers are 1.77g/L 80.1g/mol

    asked on January 20, 2018
  9. chemistry

    Determine the percent yield for the reaction between 98.7g of Sb2S3 and excess oxygen gas if 72.4g Sb4O6 is recovered along with an unknown amount of sulfur dioxide gas.

    asked on March 7, 2008
  10. help please

    16. Which of the following is used when a political activist reminds others of the trials and tribulations facing the nation if change does not occur? (1 point) ethos pathos logos 18. Identify the sentence that relies most strongly on emotional language.

    asked on May 21, 2015
  11. Chemistry

    Thanks for the help earlier My question Silicon tetrachloride (SiCl4) can be prepared by heating Si in chlorine gas: Si + 2Cl2 yields SiCl4 In one reaction 0.507 mole of SiCl4 is produced. How many moles of molecular chlorine were used in the reaction? Ok

    asked on July 3, 2010
  12. english

    18. Identify the sentence that most strongly relies on emotional language. I was surprised when you took a job with that company. It came as a real shock when you took a job with that company. When you took a job with that company, it really blew me away.

    asked on April 10, 2015
  13. History

    Which option explains why the United States was interested in the internal politics of countries such as Chile and Nicaragua from the 1970s to the 1980s? 1. The United States sought to support right wing factions or otherwise undermine socialist regime’s

    asked on June 14, 2018
  14. Chemistry

    please help! I don't understand any of this. Using the Solubility Rules, write the balanced molecular, total ionic, and net ionic equations (including physical states) for the following: Hints: There is no such thing as an Na3+. Na is in group 1A, so you

    asked on November 26, 2014
  15. physics

    You are trying to lose weight by working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, it moves a distance of 1.17 m in a time of 1.84 s. The readout on the display indicates that the average power you

    asked on August 28, 2015
  16. History

    What were the principle sources of outrage that fueled the protests against the Vietnam War? Multiple answer, select all that apply 1. The violence and murder that occurred at the Altamont violence and murder that occurred at the Altamonte music festival

    asked on June 14, 2018
  17. help please

    19. Identify the statement that is a verifiable fact. (1 point) Kids need to avoid excessive time in front of a computer. Laptop computers outsell desktop computers in retail sales. Most computer applications are designed for learning purposes. The elderly

    asked on May 21, 2015
  18. Physics helpp please!

    A 8000-kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled springs as illustrated in the figure below. Both springs are described by Hooke's law and have spring constants with k1 = 1700 N/m

    asked on April 3, 2011

    Evaluate the expressions: a) arctan(-sqrt(3)) a) Arctan(-sqrt(3)) So, I know how to find the answers with a calculator, but how do I find it step by step?

    asked on May 18, 2013
  20. 6th grade math

    In general, the air temperature decreases 12F for every 4000 feet increase in altitude. If a hiker climbs 3000 feet, by how much can she expect the temperature to decrease?

    asked on December 4, 2011
  21. History

    Which analyzes why some historians believe that the federal civil defense administration used propaganda to reduce the general public concerned about nuclear warfare? 1. Historians believe that the FCDA generated reports that underestimated the missile gap

    asked on June 14, 2018
  22. pre calc

    suppose you have 102m of fencing to make two side by side rectangles, making one large rectangle when put together. What is the maxium area that you can enclose?

    asked on January 20, 2008
  23. biology


    asked on September 23, 2009
  24. Physics

    A block is given an initial velocity of 4.00 m/s up a frictionless incline of angle θ = 21.0°. How far up the incline does the block slide before coming to rest?

    asked on October 11, 2017
  25. Math - Check my answer?

    Write the decimal 0.063 as a percent. Answer choices: 0.63% 6.3% 63% 630% MY ANSWER: 6.3%

    asked on January 8, 2014
  26. check my work

    1. Which of the following best exemplifies how Congress’s use of its weights and measures powers plays an important role in business transactions? (1 point) With uniform and consistent standards, producers are allowed to charge different prices for a

    asked on September 22, 2016
  27. chemistry

    Consider the following reagents: zinc, copper, mercury (density: 13.6 g/mL), silver nitrate solution, nitric acid solution. a. Given a 500-mL Erlenmeyer flask and a balloon can you combine two or more of the foregoing reagents to initiate a chemical

    asked on July 7, 2015

    You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35-year mortgage loan for 75 percent of the $3,250,000 purchase price. The monthly payment on this loan will be $15,800. Requirement 1: What is the APR on this loan?

    asked on February 28, 2016
  29. english

    1. Which of the following sources is least likely to have been edited for accuracy? (1 point) a city newspaper a personal Web site an encyclopedia article a published book 2. Which of the following is NOT true about bias? (1 point) Using both biased and

    asked on August 15, 2014
  30. help please

    can someone help me in sign language if they can't please write back a reponse

    asked on April 18, 2015
  31. chemistry

    "Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of the following aqueous solution: CuBr2(aq)" Possible oxidation reactions: 1. 2Br- -> Br2 + 2e- = -1.09 2. 2H2O -> O2 + 4H+ + 4e- = -1.23 Possible reduction

    asked on April 2, 2014
  32. History

    Why did President Ronald Regan support funding The Nicaraguan rebels with money made from selling weapons to Iran? 1. The selling of weapons sautéed the nation of you run during the Iran Iraq war while providing economic rubber production to Nicaragua 2.

    asked on June 14, 2018
  33. History

    which suggest reasons that President Kennedy decided to use US military intervention in Cuba? Multiple choice, select all that apply 1. Cubas Secret US invasion plans were leaked to the press 2. Cuba lies 90 miles from the coast of the United States 3. US

    asked on June 14, 2018
  34. chemistry

    How many kilojoules are required to melt 15g of ice at 0 degree celsius, and raise the temperature of the liquid that forms to 85 degree celsius?

    asked on March 3, 2016
  35. english

    10. Read the following paragraphs from "Saboteur." Mr. Chiu and his bride were having lunch in the square before Muju Train Station. On the table between them were two bottles of soda spewing out brown foam and two paper boxes of rice and sautéed cucumber

    asked on May 19, 2015
  36. chemistry

    Use the molar volume to find the volume, in liters, of 6.40g of O2 at STP.

    asked on April 1, 2013
  37. pre calc

    A ramp leading to a freeway overpass is 470 feet long and rises 32 feet. What is the angle of inclination of the ramp?

    asked on March 3, 2010
  38. English

    In "Two Kinds," why is the daughter at first excited about her mother's ambitions for her?

    asked on September 17, 2018
  39. History

    Which identifies points of the agreement between the Soviet Union and other allied powers at the Yalta conference? A) The immediate execution of the highest ranking nazi officials B) The division of Germany into four allied occupation zones C) The

    asked on June 10, 2018
  40. chemistry

    when propane gas C3H8, is burned with oxygen, the products are carbon dioxide and water. Write an unbalanced formula equation for the reaction.

    asked on February 3, 2009
  41. physics

    A 20 kg crate is placed on a horizontal conveyor belt. The materials are such that μs = 0.6 and μk = 0.3. (c) What is the maximum acceleration the belt can have without the crate slipping? (d) If acceleration of the belt exceeds the value determined in

    asked on June 22, 2011
  42. Chemistry

    What is wrong with or ambiguous about the phrase "four molecules of NaCl" I really don't understand my textbook says in the back that it is an ionic compound so I guess that its not really a molecule then I don't understand...

    asked on July 2, 2010

    a 10cm long spring is attached to the ceiling. when a 2.6kg mass is hung from it, the spring stretched to a length of 15cm. what is the spring constant k how long is the spring when a 4.0 kg mass is suspended from it

    asked on June 30, 2011
  44. Science

    A volleyball is served at the speed of 8.0 m/s at an angle 35° above the horizontal. What is the speed of the ball when received by the opponent at the same height

    asked on January 18, 2018
  45. Pre-Algebra

    How many different ways can you choose 3 frozen yogurt toppings from 20? 6,840 1,140 60* 2,260 I think it is 60 because 3*20 however not positive.

    asked on April 1, 2013
  46. Chemistry

    Which of these substances has the highest molar entropy? A) C2H4 (g) B) CH3CH2OH (l) C) SO3 (g) D) CH3CH3 (g) E) C6H12O6 (g)

    asked on April 12, 2015
  47. Math--Exponential Functions

    Suppose an investment of $500 doubles in value every 15 years. How much is the investment worth after 30 years? After 45 years? please help!!! i don't even understand how to approach this problem! =(

    asked on February 28, 2010
  48. Precalculus

    A discus is thrown from a height of 3 feet with an initial velocity of 55 ft/s at an angle of 44° with the horizontal. How long will it take for the discus to reach the ground? I started off with 55cos(44)=40 then I made an equation 40t-16(t)=2.5 seconds?

    asked on August 9, 2011
  49. Chemistry

    For many years the recovery of gold-that is, the seperation of gold from other materials-involved the use of potassium cyanide: 4AU + 8KCN + 02 +2H20 -> 4KAu(CN)2 + 4KOH What is the minimum amount of KCN in moles needed to extract 29.0 g (about an ounce)

    asked on August 2, 2010
  50. math

    Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R.

    asked on May 28, 2017
  51. Ss

    Why was the Declaration of Independance important? Select all that apply. >it set up the U.S government >it explained the ideals of liberty, justice, and equality**** >it announced that American colonies were separate from great britian >it gave Americans

    asked on September 16, 2016
  52. Stat

    "Records show that 8% of all college students are foreign students who also smoke. It is also known that 50% of all foreign college students smoke. What percent of the students at this university are foreign?" I had that: P(A)=50 P(B)=? P(A|B)=8

    asked on December 6, 2015
  53. math

    A toy baseball bat comes with 3 plastic balls in a box that is a rectangular solid. The box is just big enough to hold the 3 balls. The radius of the balls is 1.9 in. What is the volume of the air in the box surrounding the balls?

    asked on December 20, 2009
  54. physics

    King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 54 m/s and at an angle of 34°. A cannonball that was accidentally dropped hits the moat below in 1.1 s.(a) (a)How far from the castle wall does the

    asked on June 19, 2011
  55. Physics

    A 36 kg box hangs from a rope. What is the tension in the rope if the following are true? (a) The box moves up a steady 5.0 m/s? (b) The box has vy = 5.0 m/s and is slowing down up at 5.0 m/s2?

    asked on June 22, 2011
  56. physics

    A container is filled to a depth of 15.0 cm with water. On top of the water floats a 27.0 cm thick layer of oil with specific gravity 0.800. What is the absolute pressure at the bottom of the container.

    asked on December 14, 2010
  57. physics

    a skater holds her arms outstretched as she spins at 140 rpm. What is the speed of her hands if they are 125 cm apart?

    asked on June 28, 2011
  58. physics

    You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. A worker pushes down on a piston at one end, raising the car on a platform at the other end. To handle a full range of

    asked on February 23, 2009
  59. physics

    If a scuba diver descends too quickly into the sea, the internal pressure on each eardrum remains at atmospheric pressure while the external pressure increases due to the increased water depth. At sufficient depths, the difference between the external and

    asked on August 28, 2015
  60. Math pizzaz pre algraba

    What magic tricj dies Mr.Utterbunk perform ever evening

    asked on October 25, 2008
  61. check my work

    The table below shows your expenses. Use the information in the table to answer questions 1­3. Expense Type Cost mortgage (monthly) $1,850.00 groceries (bi­weekly) $113.50 telephone (monthly) $96.80 credit card (monthly) $100.00 car payment (monthly)

    asked on September 22, 2016
  62. chemistry

    Which species are left out from the Keq expression, and why?

    asked on June 3, 2009
  63. Social Studies

    In the late 1900s, conflict broke out in Central American countries such as Guatemala and Nicaragua as people fought to overthrow ... A.colonial rulers B.dictatorships C.monarchies D.liberal governments

    asked on February 14, 2019
  64. check my work

    1. Which of the following provides the best definition of a strict constructionist interpretation of congressional power? (1 point) Congress must have more powers than the states. Congress should only use implied powers when directly connected to expressed

    asked on September 22, 2016
  65. physics

    A football is thrown with an initial upward velocity component of 15.0m/s and a horizontal velocity component of 17.0m/s . a:How much time is required for the football to reach the highest point in its trajectory? b:How high does it get above the ground?

    asked on September 22, 2014
  66. Calculus

    A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 10 cm, the edge length of the

    asked on January 16, 2015
  67. english

    4. In both the Gettysburg Address and “Letter from Birmingham Jail,” the writers (1 point) comment on the tribulations faced by a nation at war. honor those who have fought for freedom. demand the revision of the nation’s unjust laws. expound on the

    asked on August 13, 2014
  68. Physics

    Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of which passes over a frictionless pulley of negligible mass, as shown above. Calculate each of the following. a. The acceleration of the 4 kilogram block b. The

    asked on February 28, 2010
  69. Trig

    House B is located at a bearing of N67°E from house A. House C is 370 meters from house A at a bearing of S68°E. House B is located at a bearing of N11°W from house C. Find the distance from house A to house B. (Round your answer to two decimal places.)

    asked on November 8, 2014
  70. Life orientation

    3 advatanges for a student to study at the institutions of higher education through NFSAS.

    asked on March 22, 2015
  71. Physics helpp

    Newtons 2nd law The force of earths gravity is about 10 N downward. Whats the acceleration of a 15kg backpack if lifted with a 15N force??

    asked on May 14, 2013
  72. Physics

    1- you push a coin across a tabble, the coin stops. How does this motion relate to balanced and unbalanced forces?

    asked on May 7, 2013
  73. English

    Which details help you more fully understand Yoni's character and intentions? Evaluate the line, “No prep, no plotting, natural as can be…” Lines with answer: "It was genius, Yoni was sure. And, if not, at least it was cheap. All he needed was a door

    asked on September 8, 2017
  74. chemistry

    Calculate the concentrations of all species present in a 0.100 M solution of weak polyprotic acid H3PO4. Ka1=7.5 x 10 ^-3, ka2 = 6.2 x 10 ^-8, Ka3= 3.6 x 10^-13 How the heck do I do this

    asked on April 12, 2016
  75. Statistics

    A student group claims that first-year students at a university must study 2.5 hours (150 minutes) per night during the school week. A skeptic suspects that they study less than that on the average. A class survey finds that the average study time claimed

    asked on March 9, 2010
  76. Math

    Henry bought a new dishwasher for $320. He paid $20 down and made 10 monthly payments of $34. What actual yearly interest did Henry pay? 1 - 14.55 2 - 29.09 3 - 34.38 4 - 68.75

    asked on December 14, 2007
  77. Social Studies

    Which of the following was an effect of the Cuban Revolution? A. Cuba became a democracy with an elected president. B. The United States increased trade with Cuba through a new trade agreement. C. The United States placed an embargo on trade with Cuba. D.

    asked on March 13, 2019
  78. SCl6 is used in....?

    Does anyone know what SCl6 is used in? Note: I don't mean SF6. *Sulfur Hexachloride* Thank you :)

    asked on February 6, 2011
  79. Chemistry

    Hydrogren, a possible future fuel, can also be obtained from other compounds such as ethanol. Ethanol can be made from the fermentation of crops, such as corn. How much hydrogen in grams can be obtained from 1.0 kg of ethanol (C2H5OH)?

    asked on April 1, 2008
  80. Social Studies

    Which of the following describes how the Spanish colonization affected American Indians in Middle America? A. Spanish colonizers introduced diseases to American Indians, resulting in a decrease in American Indian populations. B. Spanish colonizers adopted

    asked on February 18, 2019
  81. Math help!

    5. Replace the ___ with , or = to make a true statement. 7^4/7^2____ 49 < = none of the above multiply the following polynomials. 6. –2r(8r + 5) –16r^2 + 5

    asked on May 30, 2016
  82. Math

    Manuel earns $400 per week plus a 3% commission on everything he sells. Write and solve and inequality to find out how much he must sell to have a weekly income of at least $700.

    asked on April 27, 2015
  83. science

    Calculate the molarity of 500. mL of solution containing 21.1 g of potassium iodide

    asked on October 12, 2010
  84. check my work

    1. Which of the following provides the best definition of a strict constructionist interpretation of congressional power? (1 point) Congress must have more powers than the states. Congress should only use implied powers when directly connected to expressed

    asked on September 23, 2016
  85. Physics

    In the figure, a uniform ladder of weight 200 N and length 10 m leans against a perfectly smooth wall. A firefighter of weight 600 N climbs a distance x up the ladder. The coefficient of static friction between the ladder and the floor is 0.50. What is the

    asked on May 11, 2014
  86. Chemistry

    If the strips of MG ribbon are coated with white MgO, would this cause the mass of Mg that you calculate to be too high or too low? Why?

    asked on April 8, 2013
  87. College Physics

    How do I solve this problem: A particular wire has a current of 10A. A) How many electrons pass a fixed point every 5 seconds? B)If a wire has a radius of 2 x 10^(-3) m and the electron drift speed is 2.63 x 10^(-5) m/s, determine the number density of

    asked on February 4, 2010
  88. chemistry

    a brain weighing 1.0 Ib occupies a volume of 620 ml. What is the specific gravity of the brain?

    asked on September 7, 2010
  89. Biology (To SraJMcGin or anyone who can help)

    h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 7 8 2 7 9 5 7 9 It's a webadress cant post links put it in your adress bar and delete the spaces then press enter. Thanks for the responses! By the way believe it or not those

    asked on July 4, 2010
  90. chemistry

    For CH3CO2H, give the hybridization and approximate bond angles for each atom except hydrogen. Also, draw an orbital bonding picture. Show all lone pairs. Can this be drawn on paint and uploaded to me? Thank you.

    asked on September 23, 2009
  91. Chemistry

    Some instruments differentiate individual quanta of electromagnetic radiation based on their energies. Assume such an instrument has been adjusted to detect quanta that have 3.50× 10–16 J of energy. What is the wavelength of the detected radiation? Give

    asked on November 5, 2017
  92. math algebra

    please help me simplify this expression!! -12 divided by 3 x (-8 + (-4)^2 - 6) + 2

    asked on August 28, 2019
  93. chemistry

    Methane gas is burned releasing Carbon Dioxide into the atmosphere. How much CO2 (g) is released if 78.5 Liters of Methane is burned? CH4 + O2 --> CO2 + H2O

    asked on May 1, 2013

    Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4.

    asked on May 16, 2013
  95. Dynamics

    Fundamental Problem 15.12 The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from the cannon with a velocity of 400 m/s , measured relative to the cannon, determine the speed of the projectile as it leaves the

    asked on September 21, 2011
  96. Biology

    Iwas woudnering if you could help me with this problem. The answer key says that the answer is D and I have no idea why. The chart, included in the link, reads off a value of about .5 for the G locus for the year 1980 Finding the percent heterozygous

    asked on July 4, 2010
  97. Chemistry

    Calculate the standard free-energy change for the following reaction at 25 °C. Standard reduction potentials can be found here. 2Au^3+(aq) + 3Cr(s) 2Au(s) + 3Cr^2-(aq)

    asked on April 28, 2016
  98. physics

    Two children are balancing on a teeter-totter. One child has a mass of 30.0 kg and is sitting 1.3 meters from the pivot. The second child is sitting 0.8 meters from the pivot. What is the mass of the second child

    asked on October 21, 2010
  99. Economics

    This chart shows the components of nominal GDP for the years 2000 and 2001. All figures are in billions of current dollars. -------------------------------------------------------------------------------- Components 2000 2001

    asked on February 7, 2010
  100. physics

    Two children are balancing on a teeter-totter. One child has a mass of 30.0 kg and is sitting 1.3 meters from the pivot. The second child is sitting 0.8 meters from the pivot. What is the mass of the second child

    asked on October 21, 2010


  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14