Most popular questions and responses by max
  1. statistics

    72% working women use computers choose 5 at random whats the probility at least 1 does not use a computer whats the probility that all 5 use a computer

    asked on September 17, 2011
  2. History

    During the cold war, people were afraid of communists, both outside and inside the United States. The red scare and McCarthyism that grew out of these fears was damaging to the American way of life. During the McCarthy years, many of the freedoms

    asked on February 21, 2018
  3. Trigonometry

    The number of hours of daylight in a city in the northern hemisphere shows periodic behavior over time. - The average number of daylight hours is 12 - The maximum number of daylight hours is 14.4 - The period is 365 days - The day with the least sunlight

    asked on March 2, 2018
  4. Math

    Thevolume of a right circular cone is 5 litres.calculate the volumes of the two parts into which the cone is divided by a plane parallel to the base,one-third of the way down from the vertex to the base.

    asked on May 14, 2017
  5. History

    4. Which of the following represents elements of foreign policy? Select all that apply. declaring war

    asked on November 18, 2016
  6. chemistry

    What is the molar concentration of sodium ions in a 0.450 M Na3PO4 solution?

    asked on March 30, 2013
  7. Economics

    Suppose a university decides to alter its tuition schedule by separating its students based on how many years of college they have completed. Most university programs require four years to complete. First-year students would get a 13% tuition reduction.

    asked on October 17, 2017
  8. Physics

    A ball thrown by Ginger is moving upward through the air. Which force diagram represents the forces on the ball? You may neglect the effects of air resistance. a) only down force b) only up force c) both forces d) both forces (but down is larger/longer). I

    asked on December 15, 2017
  9. Chemistry

    A concentration cell consists of two Sn/Sn2+ half-cells. The cell has a potential of 0.12V at 25 ∘C. What is the ratio of the Sn2+ concentrations in the two half-cells?

    asked on November 3, 2014
  10. Math

    A parabolic microphone used on the sidelines of a professional football game uses a reflective dish 24 inches wide and 6 inches deep. How far from the bottom of the disk should the microphone be placed? a.) 6 in b.) 5.8 in c.) 5.2 in d.) 4 in I tried

    asked on December 17, 2017
  11. Math

    Write the first five terms of the sequence defined by the recursive formula a(n) = 2*(a(n - 1)) + 5 with a(1) = -3 -3, -10, -24, -43, -81 -3, -1, 3, 11, 27 -3, 2, 7, 12, 17 -3, 4, 18, 46, 102 I'm trying to do this the way I've always done them (and gotten

    asked on January 12, 2018
  12. Math

    Which of the following expressions is equivalent to (cos(3x))/sin(x)cos(x))? csc(x) cos(2x) - sec(x) sin(2x) sec(x) cos(2x) - csc(x) sin(2x) sec(x) cos(x) - csc(x) sin(x) csc(x) cos(x) - sec(x) sin(x) This is my last question and I've tried solving it

    asked on March 13, 2018
  13. Physics

    Mark's physics book is on the desk. Mark pushes horizontally (from the side) on the book, but the book does not move. Which force diagram represents the force on the physics book? You may neglect air resistance. a) A box with two arrows, one pointing up

    asked on December 15, 2017
  14. physics

    You walk for 6.44 km with at a constant velocity of 2.55 m/s due west, turn around, and then walk with an average velocity of 0.440 m/s due east. From your starting point to your destination, your overall average velocity is 1.33 m/s due west. During the

    asked on September 22, 2016
  15. Math

    Which of the following values best approximates of the length of c in triangle ABC where c = 90(degrees), b = 12, and B = 15(degrees)? c = 3.1058 c = 12.4233 c = 44.7846 c = 46.3644 In triangle ABC, find b, to the nearest degree, given a = 7, b = 10, and C

    asked on January 26, 2018
  16. Physics

    If you disconnect the wires from the battery and then reconnect them at the opposite ends of the battery, how does that change the direction of the charge flow? The direction of the charge flow is the same as the question The direction of the charge flow

    asked on April 5, 2018
  17. Math

    Compare the graphs of the logarithmic functions f(x)= log(7)x and g(x) = log(4)x. For what values of x is f=g, f>g, and fg, but what is f

    asked on December 3, 2017
  18. Math

    Suppose theta is an angle in standard position with cos theta > 0. In which quadrants could the terminal side of theta lie? Select two answers. I II III IV I don't know what this means:(

    asked on February 4, 2018
  19. Analytical Chemistry

    I am trying to find moles of IO3 from Cu(IO3)2 10 ml and standardized sodium thiosulfate (Na2S2O3.5H20) .28 M. My calc is: 0.28 Moles Na2S2O3.5H20 * (2 moles of S2O3/1 mole Na2S2O3.5H20)* (2 moles of (IO3)/1 mole Cu(IO3)2= (1.12/.01 L) but that is why to

    asked on October 11, 2010
  20. Math

    What Did They Say About the Man Who Drank Shellac?

    asked on April 9, 2009
  21. math

    find the area and circumference of the circle. Use 3.14 for pie and round to the nearest hundreth

    asked on March 29, 2016
  22. Math

    A tree house is being constructed with support beams that create right triangles. If the legs of the triangle created measure 2.5 ft and 3 ft, what are the angle measures of the non-right angles? 39.8 and 50.2 ***** 68.5 and 21.5 87.6 and 2.4 56.4 and 33.6

    asked on February 23, 2018
  23. English

    Jazz's growing appeal and popularity paralleled a growing American ________. This is a fill in the blank. I have no bank of vocabulary to choose from. The sites I had to read were Jazz: A Musical Discussion and two PBS sites: the Roaring 20's and The Great

    asked on April 6, 2018
  24. Math

    A rubber ball is dropped from the top of a building, which is 40 ft. above the ground. Each time the ball hits the sidewalk, it rebounds 77% of its previous height. How high will the ball rebound after its sixth bounce? Round your answer to the nearest

    asked on January 5, 2018
  25. Science

    The Hoover Dam is a hydroelectric power plant that converts the energy of falling water into electricity. Which of the following determines the amount of potential energy of the water stored in the reservoir of the dam? Choose all that apply. A - the

    asked on December 5, 2018
  26. Geomtry

    In ΔABC, m∠ACB = 90°, and m∠ACD = 45°. Find AC, if CD = 6 2 in. How do I know the lengths of the sides if I only know the altitude?

    asked on January 17, 2018
  27. AP history

    What were the major differences between the first burst of European global expansion from the 16th through the early 18th centuries and the era of Western Imperialist dominance from the middle 19th century to the outbreak of World War I in 1914?

    asked on February 4, 2018
  28. English

    The Gettysburg Address The phrase "The world will little note nor long remember what we say here, but it can never forget what they did here" is ironic because a. everyone has forgotten the speech. b. the speech is famous and people have not forgotten what

    asked on January 22, 2018
  29. Math

    Write z = 2(sqrt)2 + 2(sqrt)2i in polar form. z = 4(sqrt)2 (cos pi/4 + i sin pi/4) z = 4 (cos pi/4 + i sin pi/4) z = 4 (cos 5pi/4 + i sin 5pi/4) z = 4 (cos pi/2 + i sin pi/2) Write z = -6i in polar form. z = 6 cis 3pi/2 z = 6 cis pi/2 z = -6 cis 3pi/2 x =

    asked on April 28, 2018
  30. English

    Can you check if these sentences are simple, fragment, compound, or complex?: "Since the movie would last two hours, after dropping off the kids, mother decided to go shopping." Complex? "Kelly read The Plague as her summer novel." Simple? "Lawmakers

    asked on May 26, 2018
  31. Calculus

    My teacher wants me to use this formula for half life question C(t) = Ce^-kt but i used a different formula plz help. the question is: A radioactive isotope has a half life of 30 years. If we started off with 10 mg of this isotope 12 years ago: a) Find and

    asked on July 26, 2015
  32. Math 7th Geometery

    I have a complex figure like a U shape. I understand the formula for this is l x w = a Can you show me the steps? 31m is parael to 31m this would be the height (sides of the U)?? or is this the width? Length 69m Width is on the right top of U 23m. Inside

    asked on April 24, 2013
  33. chemistry

    How many grams of propane (C3H8) must be burned to release 3600kJ of energy? Standard Heat of combustion for Propane= -2220 kJ/Mole

    asked on June 17, 2011
  34. math

    What is the area of a regular 30-gon with a radius of 9mm? So far I know my interior angle is 6. That is all I can seem to figure out. Thanks!

    asked on March 8, 2016
  35. Chemistry

    Consider the titration of 30.0 mL of 0.100 M NH3 with 0.150 M HCl. calculate the pH after the following volumes of titrant have been added:(a) 0mL (b) 10.0 mL (c) 19.5 mL (d) 20.0 mL (e) 20.5 mL (f) 30 mL

    asked on March 4, 2015
  36. English (essay question)

    Hi, I'm doing an assignment which requires me to choose two of Mark Twain's quotes (from a certain page) and answer the following questions: 1. What is the essential cultural observation or situation being satirized? What clues lead you to this conclusion?

    asked on March 7, 2018
  37. Math

    Our math team had m students last year, but this year it has already n students! By what percent did the number of students grow?

    asked on May 22, 2019
  38. Algebra

    A student scored 81 and 95 on her first two quizzes. Write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90.

    asked on June 13, 2017
  39. math

    Find the circumference of the circle. using 3.14 as pie and round to the nearest hundredth. The diameter is 14.9 in

    asked on March 29, 2016
  40. science

    list two things that car manufacturers do to improve a car's efficiency

    asked on January 13, 2013
  41. English

    Read this excerpt from Jonathan Swift’s A Modest Proposal. “I do therefore humbly offer it to public consideration that of the hundred and twenty thousand children already computed, twenty thousand may be reserved for breed, whereof only one-fourth

    asked on January 19, 2019
  42. Math

    Calculate S(17) for the geometric series 256 - 128 + 64 - 32 + ... using the finite geometric sum formula. Round your answer to three decimal places. 170.668 0.004 511.996 168,151.254 Find a(5) for the geometric sequence in which S(6) = 63 and the common

    asked on January 9, 2018
  43. Physics

    A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular

    asked on February 22, 2010
  44. Math

    To convert temperatures from degrees Celsius to degrees Fahrenheit, you can use the function F(x)=9/5x+32 where x is the temperature in degrees Celsius. To convert temperatures from degrees Kelvin to degrees Celsius, you can use the function C(x)=x-273.15,

    asked on September 18, 2017
  45. Art History

    In what way is the story of "The Qorikancha" temple evident in Jaune Quick-To-See Smith's "Trade (Gifts for Trading Land with White People)"? Symbolism in "Trade" relays how native culture was co-opted by Europeans Elements of the creator god Viracocha's

    asked on January 6, 2019
  46. Art History

    The grid-like Hippodamian plan is similar to that of the City of Machu Picchu City of Nan Madol Palace at Versailles Forbidden City I think it's Machu Picchu, if not, Nan Madol. My lesson/textbook does not address anything about this (they don't even

    asked on March 5, 2019
  47. English

    1. The defendant pleaded guilty to the lesser charge of petty theft. loaded words***** jargon 2. This medicine can produce harmful side effects. jargon loaded words***** 3. So, what's up? slang colloquialism***** 4. She is a young actress of great

    asked on January 10, 2018
  48. Biology

    Why does scenedesmus colony consist of 4,8 or 16 cells?

    asked on August 16, 2015
  49. Math/ Compouded semiannually ?'s

    Jessica plans to purchase a car in one year at a cost of $30,000. How much should be invested in an account paying 10% compounded semiannually to have the funds needed. a. $27,210.90 b. $3,512.06 c. $24,793.50 d. $27,272.70 The Lee family plans to buy a

    asked on February 24, 2015
  50. Math

    Calculate the sum of the infinite series 72 + 60 + 50 + 125/3 + ... 489 432 360 307 Can someone please help me with this one? I can never solve these on my own:(

    asked on January 12, 2018
  51. English

    I have an essay to write based on this question, but I'm unsure of exactly what it wants me to analyze/write about: More than one hundred years ago, a writer for the Atlantic Monthly confronted an issue that is still timely. Read the following essay

    asked on January 6, 2018
  52. math HELP!

    Kara's custom tees experienced fixed costs of $300 and variable costs of $5 a shirt. write and equation that can be used to determine the total expenses encountered by kara's custom tee's. Let x be the number of shirts and let C(x) be the total cost of

    asked on January 27, 2013
  53. Maths

    There are 36 pupils in a class. Each girl is given 8 books and each boy is given 3 books. The total number of books the girls receive is 46 more than the total number of books the boys receive. How many girls are there in the class? The ratio of the number

    asked on October 17, 2012
  54. Math

    Find a(7) in the geometric series in which S(5) = -61 and the common ratio is -3. -729 -574 2,680 2,188 Jamison just started a new job as a firefighter earning an annual salary for 38,500.00. his contract states that he will receive a 3% salary increase

    asked on January 9, 2018
  55. math 316

    A teacher wants to give 5 prizes to a class 27 students. I low many ways can he do this if all the prizes are the same and students can receive more that one prize? How many ways can he do this if all the prizes are different and students can receive more

    asked on September 20, 2015
  56. Chemistry

    What is the maximum height achieved if a 0.800 kg mass is thrown straight upward with an initial speed of 40.0 m·s–1? Ignore the effect of air resistance.

    asked on February 1, 2014
  57. math

    The value of a new car decreases 35 % in the first year. If a car costs $9,800, how much less would it be at the end of the first year?

    asked on July 14, 2019
  58. physics

    If you shout across a canyon and hear the echo 0.42 s later, how wide is the canyon?

    asked on March 28, 2012
  59. physics

    A pendulum that consists of a 2kg mass swings a maximum vertical displacement of 10 cm above its rest position. At its lowest point, the KE of the mass is equal to F. 0.196 J G. 1.96 J H. 19.6 J J. 196 J K. 1960 J

    asked on November 11, 2010
  60. English

    After Jody slaps Janie, Hurston writes: "Janie stood where he left her...until something fell off the shelf inside her. Then she went there to see what it was. It was her image of Jody tumbled down and shattered." The passage is an example of Select one:

    asked on May 9, 2018
  61. Math

    Which of the following could be a coterminal angle for -5pi/4? 19pi/4 7pi/4 -17pi/4 -25pi/4 I've done my math twice, but I can't seem to get the right answer:( pls help?

    asked on January 30, 2018
  62. chemistry

    A salt solution can be acidic, basic, or neutral. when dissolved in water, which of the following salts will make the solution basic: KCl, FeCl3, NaNO3, CaCO3, LiF, and NH4Br?

    asked on April 17, 2011
  63. US History

    Which answer best describes the main purpose of Monroe Doctrine? to claim new United States territories in the West to warn European countries to stop colonization in the Western Hemisphere. to express that American politics and ideals were superior to

    asked on March 1, 2013
  64. Physics

    Two objects are moving in the xy-plane. No external forces are acting on the objects. Object A has a mass of 3.2 kg and has a velocity of Va= (2.3 m/s)i + (4.2m/s)j and object B has a mass of 2.9 kg and has a velocity of Vb= (-1.8m/s)i + (2.7m/s)j. Some

    asked on November 12, 2014
  65. Math

    Jillian wants to organize her CD collection into wooden crates. Each crate holds 8 CDs. Jillian has 48 CDs. How can she use a picture to figure out how many crates she needs?

    asked on November 13, 2012
  66. Math

    Which of the following functions have a vertical asymptote for values of theta such that cos theta = 1? Select two answers. y = sin theta y = cos theta y = tan theta y = sec theta y = csc theta y = cot theta I know what all these functions look like, but I

    asked on February 10, 2018
  67. math

    when 5/8x + 1 1/3 is subtracted from 1 1/4x - 5 1/6 the result is?

    asked on January 7, 2013
  68. Chemistry

    What are all the possible lewis structures for SCN-? Including the formal charges to all atoms.

    asked on April 6, 2010
  69. Math

    Justin wants to evaluate 3cot(-5pi/4). Which of the following identities can he use to help him? Select two answers. cot(-theta) = cot(theta) cot(-theta) = -cot(theta) cot(-theta) = cot(-theta) cot(theta + pi) = cot(theta) cot(theta + 2pi) = cot(theta)

    asked on February 12, 2018
  70. Language arts

    At the end of her aunts story in the story teller the older girl asked whether the girl in the story would have been rescued even if she had not been good. what does she seem to think is the theme of her aunts story

    asked on September 26, 2014
  71. math

    How does the volume of a rectangular prism change if the width is reduced to 2004-06-01-04-00_files/i0280000.jpg of its original size, the height is reduced to 2004-06-01-04-00_files/i0280001.jpg of its original size, and the length is reduced to

    asked on July 28, 2016
  72. physics

    A compact car, mass 705 kg, is moving at 1.00 102 km/h toward the east. Sketch the moving car. Do this on paper. Your instructor may ask you to turn in this work.. (a) Find the magnitude and direction of its momentum. Draw an arrow on your sketch showing

    asked on December 6, 2010
  73. physics

    A compact car, mass 705 kg, is moving at 1.00 102 km/h toward the east. Sketch the moving car. Do this on paper. Your instructor may ask you to turn in this work.. (a) Find the magnitude and direction of its momentum. Draw an arrow on your sketch showing

    asked on December 6, 2010
  74. caluclus

    Find the inverse function f^-1 of the function f. What is the domain of f^-1? What is its range? f(x) = 5 tan (10x-2)

    asked on July 8, 2019
  75. math

    The width of a rectangle is 12 less than twice the length, and the area of the rectangle is 270 m2. What is the length of the rectangle?

    asked on January 24, 2019
  76. US History

    A treaty was signed in 1842 to end the border dispute between the United States and Britain in Maine. Which best expresses the end result for Britain? the British lost all the territory in Maine The British territory was bigger than that of the U.S. The

    asked on March 1, 2013
  77. physics

    The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the

    asked on November 30, 2010
  78. Chemistry

    The following volumes of 0.000300 M SCN are diluted to 15.00mL determine the concentration of SCN in each sample after dilution. Sample 0.000300 M SCN(ml) SCN (M) 1 1.50 2 3.50 Can someone please explain how to do this?

    asked on June 8, 2011
  79. math

    You have exactly 100 dollars to buy 100 animals you must buy at least one of each of the following animals Chickens=50 cents each Pigs=3.00 each Cows=10.00 each

    asked on February 15, 2011
  80. English

    what extent can goals and behaviors change as a result of learning?

    asked on October 17, 2018
  81. Math

    Calculate the missing terms of the geometric sequence ..., 2048, ?, ?, ?, 8, ... Select all that apply. 1,538, 1,028, 518 ***** 1,534, 1,020, 514 512, 128, 32 -512, 128, -32 -1,534, 1,020, -514 -1,538, 1,028, -518 I have to pick 2 options. I know the first

    asked on January 12, 2018
  82. Physics

    How far above the surface of the Earth does an object have to be in order for it to have the same weight as it would have on the surface of the Moon? (Ignore any effects from the Earth's gravity for the object on the Moon's surface or from the Moon's

    asked on February 22, 2010
  83. Math

    The graph of f(x), a trigonometric function, and the graph of g(x) = c intersect at n points over the interval 0

    asked on March 19, 2018
  84. English

    Please read the first paragraph of G.K. Chesterton's "The Philosophy of the Schoolroom" and answer the following question. "What modern people want to be made to understand is simply that all argument begins with an assumption; that is, with something that

    asked on January 23, 2018
  85. Physics

    A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular

    asked on February 21, 2010
  86. English

    Hello, I'm supposed to do an essay with the following instructions: 1. An introduction of the issue and its impact on society 2. An outlandish proposal 3. An enumerated list of at least four reasons your proposal will work. 4. A list of practical solutions

    asked on February 9, 2018
  87. math

    Tickets to a museum cost $3 and $8 for adults. a group of four visitors to the museum spent a total of $22 on tickets. Write and solve a system of equations to represent this situation. Interpret the solution

    asked on March 16, 2017
  88. English

    "I compute that Dublin would take off annually about twenty thousand /carcasses/; and the rest of the kingdom (where probably they will be sold somewhat cheaper) the remaining eighty thousand." Which of these is nearest in meaning to the word /carcasses/,

    asked on January 18, 2019
  89. Physics

    The atomic number of an element is determined by the number of electrons in the nucleus of the atom. True False*** The motion of electrons can be predicted precisely. True False*** Leptons are found in the nucleus of atoms. True False*** Matter can change

    asked on May 11, 2018
  90. Chemistry

    A salt solution can be acidic, basic, or neutral. when dissolved in water, which of the following salts will not affect the pH: KCl, FeCl3, NaNO3, CaCO3, LiF, and NH4Br?

    asked on April 17, 2011
  91. Chemistry

    A mixture of NaOH and HCl is formed in a calorimeter. There is 50 mL of 2.078 Molar HCl and 51.7mL of 2.134 Molar NaOH. How would the heat capacity of the calorimeter change if you were to double the volume of NaOH? Justify your answer

    asked on October 28, 2016
  92. physics..

    What is the maximum height achieved if a 0.800 kg mass is thrown straight upward with an initial speed of 40.0 m·s–1? Ignore the effect of air resistance.

    asked on February 1, 2014
  93. Math

    In archery class, Jocelyn missed the target 5 times in 40 shots. What is the probability that her next shot will miss the target?

    asked on April 8, 2012
  94. Human Geography

    Assuming that achieving replacement-level fertility is desirable, is the assumption of 0 years to reach replacement fertility realistic, optimistic, or pessimistic? Why? A) Because achieving replacement-level fertility will not drop until people desire

    asked on February 25, 2010
  95. Math

    an airport mixes and additive into its jet fuel. The ration of fuel to additive needs to be kept the same. Complete the table below for amount of additive required for different amounts of fuel fuel (kg) 63 84 98 add 9(g) 30 42 48

    asked on February 26, 2015
  96. Math

    Find the number of units that produces a maximum revenue. The revenue R is measured in dollars and x is the number of units produced. R = 80x – 0.0001x^2

    asked on June 8, 2014
  97. Geometry

    There is something wrong with this definition for a pair of vertical angles: "If line AB and line CD intersect at point P, then angle APC and angle BPD are a pair of vertical angles. What is wrong??!?

    asked on August 26, 2011
  98. Precalculus

    The volume V(t) of air (in cubic inches) in an adult's lungs t seconds after exhaling is approximately. (Do not use mixed numbers in your answer.) V(t)= 53+28.5sin(pie(t)/2-pie/2) (a) Find the maximum and minimum amount of air in the lungs. Maximum is

    asked on November 21, 2010
  99. Chem

    A 50 ml sample of 0.025M AgNo3 is mixed with 15 ml of 0.04 M CrCl3. How many grams of AgCl will precipitate? Please show steps

    asked on October 9, 2010
  100. math

    The perimeter of the rectangle below is units. Find the length of side . Write your answer without variables.

    asked on May 24, 2019


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