Popular questions and responses by sue
  1. Earth science

    A scientist wants to determine the age of a rock. The rock contains an index fossil and an ancient relative of a living organism. Which is more useful for dating the rock, and why? Answer: an ancient relative of a living organism would be more useful for

    asked on February 17, 2016
  2. Statistics

    Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each question has 6 possible answers. My answer is 1/36 Assume that the data has a normal distribution and the number of observations

    asked on December 4, 2006
  3. chemistry

    If 20 grams of zinc reacts with hydrochloric acid, how much zinc chloride is produced?

    asked on October 19, 2016
  4. Chemistry

    According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with longer wavelength: 3p to 2s or 4p to 2s? A) The 3p to 2s transition would produce light with longer wavelength. B) The 4p to 2s

    asked on October 22, 2016
  5. Physics

    A coach is hitting pop flies to the outfielders. If the baseball (mass=145 g) stays in contact with the bat for 0.04 s and leaves the bat with a speed of 79 m/s, what is the average force actions on the ball?

    asked on October 18, 2016
  6. math

    using thepythagorean theorem and if the quadrilateral with side c is a square.then compute thearea of the square with side a + b:(a) as (a + b)2 and (b) as the sum of the areas of the 4 triangles and the square withside c.

    asked on May 15, 2012
  7. science

    A student mixed 1.5g of CaO with 2.5M HNO3. How many moles of CaO were reacted

    asked on December 22, 2015
  8. American History

    Compare and Contrast American Expansion in the late 1800's with the expansion in the 1900's. (How the expansion efforts were the same and how they were different.) During the expansion of the late 1800's and early 1900's shared similarities in that the

    asked on June 10, 2016
  9. statistics

    If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What is the probability of getting at least two tails? A. 1/2 B. 2/3 C. 3/4 D. 4/9 mY ANSWER IS A

    asked on April 18, 2015
  10. Science

    At the end of 2 seconds of free fall an object released from rest will have a speed of A. 5m/s B 10m/s C 15m/s D none of the above

    asked on August 27, 2012
  11. Business communication

    I have to revise these sentences as if speaking to a 10th grade level in education. Can you tell me if these are correct: 1. We must terminate all deficit financing. Revision: We need to end all debts. 2. We must endeavor to correct this problem by

    asked on March 5, 2012
  12. Geometry

    1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point

    asked on October 6, 2015
  13. intro to computer

    Search: Your boss is very skeptical about the idea of storing his files up in the cloud rather than on a local storage drive. He asks you to give him the various advantages of cloud storage. Which of the selections below would not be a reason you give him?

    asked on June 12, 2014
  14. English II

    1. Explain the difference between a mystery and a legend. 2. Create a list of at least five (5) of these proven and unproven beliefs about your chosen event. 3. Explain why each of the items in the list are proven or unproven. 1. A mystery is something

    asked on August 16, 2016
  15. Statistics

    The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7

    asked on May 26, 2013
  16. Math

    Lana took one and a half tines as long as jayden to finish a project. If lana took 15 days, how long did jayden take?

    asked on October 5, 2016
  17. American History

    how does the foreign oil situation affect Americans today? Oil dependency is a huge issue in today's world. Between oil fracking destroying our environment, creating earthquakes, and oil spills destroying our oceans and potential drinking water, i feel oil

    asked on July 21, 2016
  18. Math

    Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3(3.14) 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

    asked on April 5, 2016
  19. Math

    If a parallelogram has a base of 13 mm and an area of 78 mm2 what is the height? 78/13 = 6 H = 6mm

    asked on March 12, 2016
  20. Physics 100

    A 355-g piece of metal at 48.0 degree celsius is dropped into 111g of water at 15.0 degree celsius.If the final temperature of the mixture is 32.5 degree celsius what is the specific heat of the metal?

    asked on April 16, 2012
  21. precal

    are there solutions to x^3+27i=0 is so what are they?

    asked on December 30, 2010
  22. english

    What are the rhetorical components of the allegory Animal Farm Answer: The rhetorical components of this allegory consist of ethos, which deals with beliefs, morals, and credibility. Another rhetorical components deals with logos which can be seen in the

    asked on May 5, 2018
  23. physics

    What is the rotational speed of the hour hand on a clock? -----rev/s

    asked on November 1, 2016
  24. history

    Compare and Contrast American Expansion in the late 1800's with the expansion in the 1900's. (How the expansion efforts were the same and how they were different.) During the expansion of the late 1800's and early 1900's shared similarities in that the

    asked on June 10, 2016
  25. math

    Mike rides his bike 33 km south and then 56 km west. How far is the shortest distance from his starting point? 33^2 + 56^2 = C^2 1,089 + 3,136 = C^2 4,225 km = C^2 C^2 = SQRT of 4,225 km or 65 km

    asked on June 3, 2016
  26. Geometry (check my work)

    A scoop of ice cream shape like a sphere with a diameter of 6 cm is placed on an ice cream cone the has a diameter of 5 cm and a height of 9 cm, show that the cone is or is not big enough to hold all of the ice cream when it melts ? Answer- I said the cone

    asked on May 3, 2016
  27. maths

    A can is 12cm high and diameter 8cm. Using the formula v =TT how much liquid is in the can

    asked on June 16, 2015
  28. math

    Jody checked the temperature 12 times on Monday, and the last digit of the temperature was odd six times more than it was even. On Tuesday, she checked it 18 times and the last digit was odd eight times more than it was even. Determine which series is

    asked on April 17, 2015
  29. chem

    Assume that you have 1.41mol of H2 and 3.50mol of N2. How many grams of ammonia (NH3) can you make, and how many grams of which reactant will be left over? 3H2+N2→2NH3

    asked on September 21, 2013
  30. home school and community

    Describe three issues related to role confusion that a teacher may feel or may communicate.

    asked on June 10, 2011
  31. MTH233/statistics UOP

    . Hypothesis Testing o Please complete the following 5-step hypothesis testing procedure in your Learning Teams: A simple random sample of forty 20-oz bottles of Coke® from a normal distribution is obtained and each bottle is measured for number of ounces

    asked on August 1, 2010
  32. MATH

    Joan can mow a 10-acre field in 5 hours. How long would it take her to mow a 3.8-acre field?

    asked on October 3, 2009
  33. Number Line

    If an integer a is pictured on the number line then the distance from the point on the number line that represents the integer to the origin is ƒaƒ. Using this idea answer the following. a. Explain why ƒa 2 bƒ is the distance between the points that

    asked on September 12, 2009
  34. chemistry

    1)At room temperature (20 degree C), milk turns sour in about 64 hours. In a refrigerator at 3 degree C, milk can be stored three times as long before it sours. How long should it take milk to sour at 40 degree C (activation energy =44kj/mol)? 2)At what

    asked on February 3, 2009
  35. world history

    At the Yalta Conference, what was the promise that Stalin had made at the conference that he quickly broke once the war ended?

    asked on May 4, 2008
  36. American History

    Describe the impact of the social changes of the 1960's on today's culture in America? Female activists demanded more rights for women, whose role in society began to change. Today women are head of big company's. The birth control pill and other

    asked on July 19, 2016
  37. American History

    Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today seeks

    asked on May 24, 2016
  38. English

    I need a good thesis statement about dreams

    asked on March 27, 2015
  39. Math

    When buying gasoline, you notice that 14 gallons of gasoline is approximately the same as 53 liters. Use this information to find a linear model that relates gallons to liters. Then use the model to find the number of liters in 25 gallons. Round your

    asked on October 2, 2014
  40. magnets

    can an Amperian loop ever have a non-zero value of its line integral with the magnetic field.

    asked on November 28, 2013
  41. college physics

    an airplane starts from rest and accelerates at a constant 3.00m/s2 for 30.0s before leaving the ground. a). how far did it move? b). how fast was the airplane going when it took off?

    asked on March 29, 2013
  42. Chemistry

    The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100°C?

    asked on November 13, 2011
  43. Chemistry

    What is the heat required in Joules to raise the temperature of 100.0g ice at -20 degrees C to steam at 120 degrees C?

    asked on May 14, 2011
  44. science

    If an element has a gray luster and can be drawn into a wire, is it a nonmetal, metal, gas, or an alloy?

    asked on May 19, 2010
  45. chemistry

    Which of the following substances can act as a Bronsted acid in aqueous solution? (Select all that apply.) C3H8 NH41+ HCl H2 H2O H2CO3 PH3 Which of the following substances can act as a Bronsted base in aqueous solution? (Select all that apply.) PH3 PH41+

    asked on April 27, 2010
  46. Math

    Which of the following is not a characteristic of Students' t distribution? A) For large samples, the t and z distributions are nearly equivalent. B) depends on degrees of freedom. C) symmetric distribution D) mean of 1

    asked on November 28, 2009
  47. Alegra II

    Why isn't a snowman very smart?

    asked on February 10, 2009
  48. math

    Write the number in expanded form. 684

    asked on March 1, 2008
  49. psychology

    Listed below are the effects of observation on research. Match the bias of the effect with the research situation described. Observation Bias: A. Researcher's own feelings B. Inadequate research methods C. Researcher's closeness to subjects D. Researcher's

    asked on November 7, 2018
  50. science

    Would love to get your thoughts on whether the following statements would be considered an applied science or basic science when it comes to psychology. Place an "A" if the statement is psychology as an applied science and "B" if the statement is

    asked on October 22, 2018
  51. math

    what is 1.9 times 10 to the third power?

    asked on December 8, 2016
  52. English II

    Write a letter as if you are a foreign exchange student living in America. Pretend you are writing to your family in your homeland and you must explain an American custom they know nothing at all about. To write a convincing letter, you must examine the

    asked on August 18, 2016
  53. American History

    what are the biggest challenges facing the average American citizen today? I feel that the biggest challenges facing the average American today include lack of jobs, state of our economy, terrorism, and gun violence. Unfortunately in America today wages

    asked on July 26, 2016
  54. Science

    Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize

    asked on March 15, 2016
  55. Science

    Can a molecule be an element? Molecules of most elements are made up of only one atom of that element. So, if a molecule is what you get when any atoms join together then no, a molecule can not be an element

    asked on November 11, 2015
  56. Algebra

    The radiator in a car is filled with a solution of 75 per cent antifreeze and 25 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the

    asked on March 10, 2015
  57. Intro to computer

    you want ghost your network's computers with a fresh desktop that features Windows 8, as your computer currently using windows 7. You will use Norton Ghost to do this. What source will Norton Ghost utilize to install Windows A. The ISO installation file

    asked on June 2, 2014
  58. main idea

    The main conclusion you can draw from this paragraph is that A. because of the greenhouse effect, plants on Earth should thrive. B. a greenhouse helps plants to grow faster. C. the atmosphere keeps Earth warm D. in a greenhouse, the Sun's heat is trapped

    asked on May 18, 2014
  59. social studies

    During the War of 1812 The Americans won a victory at a)Detroit b) The Thames c) Quebec Answer: B The English were able to land an army and capture the city of a) Washington b) Baltimore c) New York Answer: A "The Star Spangled Banner" was written during

    asked on May 7, 2014
  60. Trig

    Find two values of theta that satisfy the equation. give your answers in degrees (0degrees

    asked on May 19, 2012
  61. chemistry

    What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C? Thank you,

    asked on September 11, 2011
  62. Chem

    What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C?

    asked on September 10, 2011
  63. Chemistry

    Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear

    asked on April 19, 2011
  64. Psy 340

    What are some examples of theories concerning sexual orientation, hormones, and the brain? Which one do you feel is most accurate? Why?

    asked on October 14, 2010
  65. Nutrition, Health, and Safety for Young Children

    What is a good thesis statement which discuss the overall wellness of young children and the role an Early Childhood Education Setting can play in a young child's health and well-being?

    asked on July 18, 2010
  66. CHEm

    Which term best describes the measure of the increase in the concentration of a product per unit time? activation energy, kinectics, reaction reaction rate, reaction time im stuck i think its activation energy can someone confirm this or let me know what

    asked on April 28, 2007
  67. Math

    Jim and Mary are competing in a math contest. They have to calculate how much it takes to completely fill a canister with a radius of 4 in. and a height of 5 in. with flour. How much flour will it take to fill the canister?

    asked on March 25, 2020
  68. algebra 2

    A model rocket is launched with an initial upward velocity of 164 / ft s . The rocket's height h (in feet) after t seconds is given by the following. = h − 164 t 16 t 2 Find all values of t for which the rocket's height is 92 feet. Round your answer(s)

    asked on May 22, 2018
  69. english

    In Germany they came first for the Communists, and I didn't speak up because I wasn't a Communist. Then they came for the Jews, and I didn't speak up because I wasn't a Jew. Then they came for the trade unionists, and I didn't speak up because I wasn't a

    asked on May 5, 2018
  70. Economic

    List five public goods you have utilized in the past month. Put a yes or no next to each, indicating if this public good could have been obtained through the private sector. Ans: Highway-no Healthcare-yes Library- no Theater-no Golf course- yes

    asked on October 21, 2017
  71. English

    From what point of view is a Midsummer Nights Dream narrated? Third person point of view

    asked on July 25, 2017
  72. physics

    A child with a mass of 46 kg is riding on a merry-go-round. If the child has a speed of 3 m/s and is located 2.2 m from the center of the merry-go-round, what is the child's angular momentum? ____kg·m2/s

    asked on October 27, 2016
  73. Physics

    A bowling ball rolls off the edge of a giant' table at 18 m/s. If it takes 6 s for the ball to hit the ground. A) How far does it land from the base of the table? B) how far does it fall?

    asked on October 14, 2016
  74. Chemistry

    Complete and balance the following equation. If no reaction occurs, write noreaction . NaOH(aq)+FeBr3(aq)→

    asked on October 8, 2016
  75. physics

    What two facts did Newton need to be able to calculate the acceleration of the Moon? A) the distance to the Moon and the diameter of the Moon B) the time it takes the Moon to make one revolution and the distance from the Earth to the sun C) the diameter of

    asked on October 3, 2016
  76. English II

    Explain how your mystery/legend contains the following literary elements: I chose Atlantis as my mystery/legend. I am not sure what they mean when they say scene. My answer is as follows. a. Setting b. Plot c. Characters d. Conflict e. Scene The

    asked on August 17, 2016
  77. American history

    Who do you think profited the most during the industrialization? I think the middle class of factory owners, shippers, and merchants benefited the most because American cities allowed many middle-class Americans to live a more glamorous lifestyle with all

    asked on May 9, 2016
  78. Math (Geometry)

    what is the exterior angle sum of a 500 gon? I got .72 but I'm not sure if this is right, help would be very grateful :)

    asked on April 16, 2016
  79. Math

    Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3(3.14) 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

    asked on April 5, 2016
  80. Math

    Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? V = 4/3 (pi)(r^3) 4/3 x 3.14/1 = 1.395 1.395(24^3) 1.395 x 13,824 V = 19,284.48

    asked on April 4, 2016
  81. Earth Science (check answers)

    Describe the importance of maintaining the ocean ecosystem. It is important to maintain because the ocean ecosystems because it provides reefs that support a complex ecosystem of ocean organisms that live and help each other to survive. Virtually every

    asked on March 17, 2016
  82. Earth science

    Why didn't the early geologic time scale include the number of years ago that events happened?

    asked on February 19, 2016
  83. Science

    Why are sedimentary rocks more useful than metamorphic or igneous rocks in establishing the relative ages of rock?

    asked on February 19, 2016
  84. algebra 1

    A rectangular field is enclosed by 360 feet of fencing. What is the length, in feet, of the field if its length is 6 feet more than its width?

    asked on December 10, 2015
  85. algebra or algebra1

    An eastbound car is going 4 miles per hour faster than a westbound car. The cars are 208 miles apart 2 hours after passing each other on a highway. What is the speed, in miles per hour, of the eastbound car

    asked on October 27, 2015
  86. Need help with projection map

    Which map projection is most useful for navigation, especially near the equator. Explain The map projection that is most useful for navigation would be the Mercator Projection because near the equator the shapes and sizes of features are correct.

    asked on October 2, 2015
  87. English

    "The night was gone. The morning star was shining in the sky. I too had become a completely different person. The student of the Talmud, the child that I was, had been consumed in the flames. There remained only a shape that looked like me. A dark flame

    asked on April 16, 2015
  88. English

    First, Second or Third person "Do you love candy?" I asked my friend Roxis. I always make friends with other people. a)first person b) second-person c) third-person I think A

    asked on March 15, 2014
  89. World Geograpgy

    1. With respect to global connections, association with _______ offers the brightest immediate future for many African countries. A. India B. the European Union. C. China D. the United States. 2.Slum areas called shantytowns occur in _________ major

    asked on January 4, 2014
  90. magentism

    A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the

    asked on December 3, 2013
  91. statistics

    Can someone please tell me how I miss this, I added them up 29 and divided by 8 and came up with 3.625. Below is the question. Please don't send me to other sites and just explain why it is wrong. The number of children, x, belonging to each of eight

    asked on May 24, 2013
  92. college physics

    a woman driving at a speed of 23 m/s sees a deer on the road ahead and applies the brakes when she is 210m from the deer. if the deer does not move and the car stops right before it hits the deer, what is the acceleration provided by the car's brakes?

    asked on March 29, 2013
  93. Statistics

    The heights of young women are approximately normally distributed with a mean of 64.5 inches and a standard deviation of 2.5 inches. Determine the following: what percent of young women would be acceptable as members if being a member required a height of

    asked on March 3, 2013
  94. math

    how to explain 0.26 and 0.260 are same

    asked on October 23, 2012
  95. math

    round 172 to the nearest hundred

    asked on September 28, 2011
  96. chemistry

    a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?

    asked on September 22, 2011
  97. Chemistry

    The blank solution used to calibrate the spectrophotometer is 10.0mL of 0.2M Fe(NO3)3 diluted to 25.0mL with 0.1M HNO3. Why is this solution preferred to simply using de-ionized water for the calibration?

    asked on March 12, 2011
  98. chemistry

    A mixture of CaCO3 and MgCO3 weighing 7.85 g was reacted with excess HCL. The reactions are CaCO3+2HCL=CaCl2+H2O+CO2 and MgCO3+2HCl=MgCl2+H2O+CO2. The sample reacted completely to produce 1.94 L CO2 at 25 degrees C and 785 torr. Calculate the percentage of

    asked on October 17, 2010
  99. MTH233/statistics UOP

    Clickfraud has become a major concern as more and more companies advertise on the Internet. When Google places an ad for a company with its search results, the company pays a fee to Google each time someone clicks on the link. That’s fine when it’s a

    asked on July 27, 2010
  100. Science

    Show a Venn Diagram comparing velocity and speed.

    asked on April 14, 2010


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