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Popular questions and responses by star
  1. math

    A semi-circle sits on top of a rectangle to form the figure below. Find its area and perimeter. Use for 3.14. The rectangle is 4 inches long and 3 inches wide. The semi-circle sits on top of the rectangle on a side that is 4 inches long.

    asked on June 30, 2020
  2. physics

    a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The current through the 60 ohm resistor? A) 1.0A B) 5.0 A C) is about 1.3 A D)4.0 A E) cannot be calculated

    asked on May 28, 2012
  3. physics

    A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, then 3.50 km southeast, and then an additional distance in an unknown direction. Her final position is 5.80 km directly east of the starting point. a) Find the magnitude of the

    asked on September 23, 2008
  4. physics

    if a stone at the end of a string is whirled in a circle, the inward pull on the stone A) is known as the centrifugal force B) is inversely proportional to the speed of the object C) is inversely proportional to the square of the speed D) is proportional

    asked on May 28, 2012
  5. Science

    Helium gas is added to a ballon already partially filled with helium gas the balloon inflated because the

    asked on February 5, 2012
  6. physics--drwls

    A record of travel along a straight path is as follows: 1. Start from rest with constant acceleration of 2.77 m/s^2 for 15 s 2. Constant velocity for the next 2.05 min 3. Constant negative acceleration -9.47 m/s^2 for 4.39 s. (a) What was the total

    asked on September 7, 2007
  7. Chemistry

    Some hydrogen gas is collected over water at 20.0 Cel. and the levels inside the container is the same. The partial pressure of hydrogen is 742.5 torr. What is the barometric pressure as the time the gas was collected. My answer is 742.5 torr = 17.5 torr =

    asked on June 9, 2017
  8. Math

    1. A colony of bacteria grows exponentially according to the function where N is measured in grams and t is measured in days. N(t)=100e^0.045t You may use graphical method or algebraic method. Please show work if algebraic or show the graph if graphical

    asked on April 26, 2012
  9. Science

    Which of the following statements describes the most serious , long term , environmental damage produced by oil spills in the ocean ?

    asked on February 5, 2012
  10. algebra 1

    what kind of shoes does a frog wear

    asked on December 9, 2010
  11. Physics

    a metal ball of radius R is placed concentrically inside a hollow metal sphere of inner radius 2R & outer radius 3R. The ballis given a charge +2Q and the hollow sphere a total charge -Q. Calculate. electrostatic potential energy of system.???

    asked on May 13, 2018
  12. Algebra 2

    for the functions f(x) = 5x +50 and g(x) = 1/5x -10 evaluate both f(g(x)) and g(f(x)). Are these functions inverses? do you put them into each other?

    asked on February 22, 2015
  13. CHEM

    Trying to figure out how to draw the structure 2-bromo-4-phenylpentane I thought it was a five carbon strong with the ring on the second C and a Br on the 4th - but that's not correct (or not completely correct) What am I doing wrong?

    asked on April 28, 2011
  14. math

    A movie theatre sells two types of tickets: adult and child. On Tuesday, the theatre sold 100 adult tickets and 70 child tickets and made a total of $1,100. On Wednesday, the theatre sold 50 adult tickets and 50 child tickets and made a total of $625. How

    asked on April 9, 2017
  15. Chemistry

    How many liters of air (78 percent N2, 22 percent O2 by volume) at 20 degrees Celsius and 1.00 atm are needed for the complete combustion of 1.0 L of octane, C8H18, a typical gasoline component that has a density of 0.70 g/mL?

    asked on April 28, 2011
  16. pe

    which of the following factors would most likely cause a hurricane to decrease in strength? A .staying over a warm body of water for a long time. b.increasing the number of large clouds. c.moving a continent d. moving toward tropical waters.

    asked on October 30, 2018
  17. langugage arts

    do you know anything about college

    asked on October 30, 2018
  18. tech

    what is the best strategy for studying for a test?

    asked on October 30, 2018
  19. physics

    A feather is dropped onto the surface of the moon. How far will the feather have fallen if it reaches the surface in 9.00 seconds? Given: g on moon = –1.63 meters/second

    asked on April 27, 2015
  20. personal finance

    As a college senior, Jessica was offered a new credit card that allowed her to take a 10% discount on the first month's purchases. She accepted the offer and made purchases that totaled $156.19. How much did she owe after the discount was deducted from the

    asked on January 29, 2015
  21. physics

    an object is placed 10 cm from a concave spherical mirror whose radius of curvature is 12 cm. What is the distance of image a) 5cm b) 10 cm c)15cm d)20cm e)24cm

    asked on May 28, 2012
  22. physics

    an electron moves with constant speed at right angles to a uniform magnetic flux, if the flux density were doubled, the force on the electron would be A) unaffected B) reduced to one month C) halved D) doubled E) quadrupled

    asked on May 28, 2012
  23. Pronoun Pratice

    I have written a paragraph about credit cards using at least five different pronouns. Could you please look over it and let me know if you see any errors, if my pronoun use is correct and if the sentences are complete. If you have any input about how a

    asked on July 30, 2011
  24. com220

    can you help me paraphrase this: Obesity means an excess amount of body fat. No general agreement exists on the definition of obesity in children as it does adults. Most professionals use published guidelines based on the body mass index(BMI), or a

    asked on July 6, 2009
  25. math

    IN A CLASS OF 28 SIXTH GRADERS,ALL BUT ONE OF THE STUDENTS ARE 12 YEARS OLD.WHICH TWO DATA MEASUREMENTS ARE THE SAME FOR THE STUDENTS AGES?WHAT ARE THOSE MEASUREMENTS?

    asked on September 4, 2008
  26. science

    What are 4 natural disasters tsunami,volcano

    asked on April 23, 2019
  27. science

    the three lines of defense your body has against disease include all except A: physical and chemical defence's B: inflammation C: immune system D : scarring

    asked on March 20, 2019
  28. tutor

    can i be a tutor here

    asked on March 19, 2019
  29. english

    Which contains an error in punctuation? A) His hobbies include drawing, reading, and swimming. B) When Seth hit the home run, the crowd jumped to its feet and cheered. C) Irene fixed two dozen chocolate cupcakes, for her aunt, uncle, and cousins. D) Janice

    asked on March 5, 2019
  30. science

    do you know the planet rhyeme

    asked on October 30, 2018
  31. Language

    A cat cornered a mouse in a barn and was about to eat it. “Save me!” the mouse cried. “And someday I may save you!” The cat was haughty. “How can a tiny mouse ever save a cat?” she asked. “I may be tiny,” the mouse answered, “but I have

    asked on October 17, 2018
  32. math

    A recipe uses 3 cups of flour to make 48 cookies, how much flour is needed to make 72 cookies. create a proportion and solve=?

    asked on October 16, 2018
  33. Math

    A sum of a number and it's reciprocal is 2 1/30 (mixed fraction) determine the number? I have tried solving it with no luck. I get stuck on the part of completing the square. Please help me Thank you

    asked on March 31, 2018
  34. Physics

    A person pushes with a horizontal force of 25 N 4kg block, initially at rest on a horizontal table, a distance of 3m. The coefficient of kinetic friction between the block and table is 0.35. determine external work on the block-table system. the energy

    asked on April 16, 2014
  35. Chemistry

    Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and makes up 41.030% of a standard sample. What is the mass of the second isotope? I under how to get average atomic mass but not sure

    asked on October 12, 2013
  36. chemistry

    an ideal gas in a closed inflexible container has a pressure of 6 atm and a temperature of 27 degree celsius . What will be the new pressure of the gas of temperature is decreased to -73 degree celsius? a) 2 atm b) 3 atm c) 4atm d) 8atm e) 9atm plz teach

    asked on May 28, 2012
  37. chemistry

    an ideal gas in a closed inflexible container has a pressure of 6 atm and a temperature of 27 degree celsius . What will be the new pressure of the gas of temperature is decreased to -73 degree celsius? a) 2 atm b) 3 atm c) 4atm d) 8atm e) 9atm plz teach

    asked on May 28, 2012
  38. CHEM

    draw the structural formula for 1,3,5-trichlorocyclohexane

    asked on April 28, 2011
  39. Math

    Solve each equation. Round decimal answers to the nearest thousandth. 5(0.10)^x = 4(0.12)^x

    asked on November 24, 2010
  40. English

    we have to write and present a drama script about 'marginalization' for example homeless people are left out of the society. those with disabilities and those young people under 25 who care for their relatives. they are all positioned outside of the great

    asked on September 1, 2010
  41. home work

    what's a sentence for hasten

    asked on March 24, 2010
  42. english essay

    please, someone proofread my essay, and help me correct the grammar error i cant spot them. thank you. The war that shouldn't have go on What does a war hero receive when he return home from war? Is it a welcome home hug, a medal of honor, or perhaps a

    asked on September 25, 2007
  43. Math

    What is the distance between -10 and 10 on the number line? a) -20 b) -10 c) 0 d) 20**

    asked on November 14, 2019
  44. Chemistry

    0.2 moles of NaOH were added to a solution containing 0.4 moles of a weak acid and 0.4 moles of its conjugate base. After mixing, the pH of the solution was found to be 5.24. What is the pKa of the weak acid?

    asked on October 22, 2019
  45. physics

    What is the kinetic energy of a 61.8kg object going 11.5m/s?

    asked on September 24, 2019
  46. World History

    Which option accurately describes how religious practices of the Aztecs affected their culture? A)Aztec priests ensured good agricultural fortune by ritualistically killing captured enemies and slaves. B)Aztec priests ensured good agricultural fortune by

    asked on June 21, 2019
  47. Government

    do you know what Mk Ultra is , some of the celebrities are under that

    asked on May 9, 2019
  48. Careers

    is it weird on what i want to be when i grow up because i'm doing a PowerPoint And resenting it, will people make fun of me

    asked on May 9, 2019
  49. Math

    Steve earned $27 mowing lawns. He earned $12 less than that washing windows. He earned 3 times as much money walking dogs as he earned washing windows. How much money did Michael earn walking dogs?

    asked on April 21, 2019
  50. math

    Alyson works part time at a restaurant each week her work schedule changes. the number of hours she works each week is shown MAD 10,24,15,23,14,23,19,7,14,28,20,6,14,15

    asked on April 18, 2019
  51. science

    When are thunderstorms most likely to occur

    asked on April 16, 2019
  52. math

    4^2+6.5^2-3^3/3^2

    asked on April 16, 2019
  53. history

    Compare and contrast the Cherokee and Choctaw reactions when the United States government wanted them to move west

    asked on March 27, 2019
  54. science

    what are the top wild cats

    asked on March 20, 2019
  55. life orientation

    identify six symptoms of intrapersonal conflict in a person

    asked on February 17, 2019
  56. science

    which of the following factors would most likely cause a hurricane to decrease in strength. a. staying over a warm body of water for a long time. b. increasing the number of large clouds. c. moving over a continent. d. moving toward tropical waters i think

    asked on October 30, 2018
  57. ss

    which of the following was one of the influences of the Roman republic in the farming of the constitution. a. a centralized government that provides for more order b. elected representatives who are the voice of the people c. a judicial system that is

    asked on October 30, 2018
  58. social

    if the planet was to collapse where would everybody go. a.mars b.mercury c.venus d.jupiter

    asked on October 30, 2018
  59. bobpursuley

    can you help me with my question

    asked on October 30, 2018
  60. social

    hi everyone

    asked on October 30, 2018
  61. science

    where is Mount Everest located

    asked on October 30, 2018
  62. math

    what value of x makes this equation true? 4x -10=18 A2 B4 C7 D8

    asked on October 29, 2018
  63. college

    what is GPA for college

    asked on October 29, 2018
  64. @ms sue

    am i not suppose to give the answers out because everyone else does it.

    asked on October 29, 2018
  65. science

    what is the biggest planet mercury venus earth jupiter

    asked on October 29, 2018
  66. i need help with my question

    how do I find the cost, deadline acceptance information about college because I want to go to either yale or harvard?

    asked on October 29, 2018
  67. langugage arts

    what does mia mean by underestimate?

    asked on October 29, 2018
  68. math

    I don't know how to do percent of change

    asked on October 29, 2018
  69. math

    identify the part, whole, and percent in the following statement. find 15% of 750.

    asked on October 26, 2018
  70. math

    what is 100 x 200 x 300= can't find a calculator

    asked on October 25, 2018
  71. science

    how are earth and venus similar

    asked on October 25, 2018
  72. Social Studies

    What was one advantage that cities offered businesses and industrialists? A. clean air B. plentiful land C. ** efficient sewers D. transportation networks

    asked on October 25, 2018
  73. science

    what can form a cloud in the solar system

    asked on October 25, 2018
  74. science

    what will form a giant cloud that formed the solar system

    asked on October 25, 2018
  75. science

    which layer of the suns atmosphere are you looking at an image of the sun a.photosphere b.chromosphere* c.corona d.prominence

    asked on October 25, 2018
  76. science

    how is the suns galaxy a spiral galaxy and how does the milky way look I can't find any pictures

    asked on October 25, 2018
  77. math

    what are the equivalent fraction and decimal for-33 1/3 percent

    asked on October 24, 2018
  78. science

    what is a spiral galaxy?

    asked on October 24, 2018
  79. math

    is 56 over 23 an improper fraction

    asked on October 24, 2018
  80. math

    are 4/6 and 14/21 equivalent how do i show my work

    asked on October 23, 2018
  81. langugage arts

    a comparison and contrast essay uses the following?

    asked on October 23, 2018
  82. math

    on a given blueprint, 1in =16ft. if the dimensions of the bedrooms on the blueprint are 0.75 inches times 1.5 inches, what are its actual measurements? 16ft x 32ft 12ft x 24ft 16ft x 24ft 12ft x 32ft

    asked on October 23, 2018
  83. math

    18 to 100 what does that equal

    asked on October 22, 2018
  84. science

    where can I find good facts about Jupiter

    asked on October 19, 2018
  85. Math

    Do you know what dilations are?

    asked on October 19, 2018
  86. math

    what is a translation

    asked on October 18, 2018
  87. math

    how do I write a ratio in simplest form

    asked on October 18, 2018
  88. science

    is Pluto a planet, if not explain why

    asked on October 17, 2018
  89. math

    what is the ratio of the measures of side bc to side Rs in simplest form similar figures

    asked on October 17, 2018
  90. science

    where can I get facts from google about the planets

    asked on October 16, 2018
  91. math

    write a translation rule= what is this

    asked on October 13, 2018
  92. math

    true or false every square root can be written as a whole number

    asked on October 13, 2018
  93. math

    what are nonterminating decimals

    asked on October 12, 2018
  94. math

    the estimate for square root 27

    asked on October 12, 2018
  95. math

    would I multiply 6 and 8 or divide when you're doing real numbers

    asked on October 12, 2018
  96. math

    if a number is not rational then it is?

    asked on October 12, 2018
  97. history

    which of the following was one way the constitution attempted to a reconcile a weakness of the articles of confederation.

    asked on October 12, 2018
  98. Language arts

    Which word is the closest in meaning to eloquent?

    asked on October 11, 2018
  99. technology

    what does it mean to calculate frequencies within a database

    asked on October 9, 2018
  100. science

    Why is it illegal for doctors in India to reveal the sex of unborn babies?

    asked on September 16, 2018

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