Tabby

Popular questions and responses by Tabby
  1. Math/Trig

    Which of the following is coterminal with ? A)-237 B)33 C)-33 D)597

    asked on January 4, 2011
  2. Polar equations

    write the polar eqaution 3 = r cos (theta - 315) in rectangular form.

    asked on April 20, 2012
  3. chem

    should atmospheric pressure increase or decrease as one goes from the beach to the mountains? why?

    asked on October 21, 2008
  4. Vectors?

    find an ordered pair to represent vector u in u = (3/4)w-2v if vector w = and vector v = How do i do this?

    asked on April 22, 2012
  5. Anti-ln?!?!

    use a calculator to find the anti-ln(-0.049) to the nearest ten thousandth. My calculator doesn't do anti-ln. just ln. Someone helo me please?

    asked on April 21, 2012
  6. Trig

    4. Write the equation of the cosine function with an amplitude of 1/3, a period of 2pi, and a phase shift of 3pi/2. 5. Write the equation of the sine function with an amplitude of 4, a period of pi/2, and a phase shift of -pi/4.

    asked on January 10, 2011
  7. Trig

    Write the equation of the sine function with an amplitude of 1/7, a period of 2pi, a phase shift of 6pi, and a vertical shift of 10 units up ?

    asked on January 3, 2011
  8. Math - Urgent!!!

    Write the equation of the hyperbola for which the length of the transverse axis is 6 units long anf the foci are at (0,5) and (0,-5). Someone please help me with this question. Thanks in advance.

    asked on April 30, 2012
  9. Trig

    f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

    asked on January 10, 2011
  10. Trig/Math

    Write the equation of the cosine function with an amplitude of 1, a period of 3pi/7, a phase shift of -pi/5, and a vertical shift of 2 units down.

    asked on January 10, 2011
  11. Math/Trig

    If the population of rabbits in a certain area is modeled by the function, r=10,000cos(pi/12t)+35,000 where t is the time in months, approximately how many rabbits will there be in August (January is equal to t = 1)?

    asked on January 4, 2011
  12. Math/Trig

    Write the sine function with an amplitude of 1/4, a period of 3pi, phase shift of pi4 to the right, and a vertical shift of 4 units down.

    asked on January 4, 2011
  13. Algebra

    Find the probability of the following five-card poker hands from a 52-card deck. In poker, aces are either high or low. Four of a kind (4 cards of the same value) I keep getting 1/199,920, but that's not one of my options.

    asked on October 6, 2008
  14. art

    Why were there fewer patrons in Northern Europe than in Italy?

    asked on December 12, 2007
  15. scientific notation

    Write the number in scientific notation: 0.000375

    asked on November 20, 2007
  16. Chemistry

    Antacids are taken to relieve heartburn or indigestion caused by excess stomach acid. The active ingredients vary depending on the brand, but all contain bases. Each Alka-Seltzer(R) tablet contains 1.916 g of the active ingredient sodium bicarbonate

    asked on July 20, 2019
  17. Nurs

    i need to draw a concept map that represents the relationships among the concepts under study for either Middle-range theory, Grand theory, or practice theory. HELP!

    asked on February 10, 2013
  18. Parametric to Rectangular?

    find the rectangular eqaution of the curve whose parametric equations are x=5cos2T and y=-sin2T, where 0 is less than/equal to T which is less than/equal to 180

    asked on April 22, 2012
  19. Logarithms

    solve 6 = 15^1-x by using logarithms. Round your asnwer to the nearest thousandth. PLease help?

    asked on April 20, 2012
  20. trig/precalc

    a car's flywheel has a timing mark on it's outer edge. the height of the timing mark on the rotating flywheel is given by y=3.55sin[x - (pi/4)]. graph one full cycle of this function. I was not taught how to graph a function like this, only the simple y=

    asked on April 10, 2012
  21. Math/Trigonometry

    1. Solve: 2 cos² x - 3 cos x + 1 = 0 for 0 ≤ x < 2pi. 2. Solve: 2 sin x - 1 = 0 for 0° ≤ x < 360° 3. Solve: sin² x = cos² x for 0° ≤ x < 360° 4. Solve: sin x - 2sin x cos x = 0 for 0 ≤ x < 2pi.

    asked on January 12, 2011
  22. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?

    asked on January 11, 2011
  23. Trig/Math

    2. f(x) = 1/4 cos(1/2 x + pi/2). Find the amplitude, period, and phase shift of the function. 3. f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

    asked on January 10, 2011
  24. english poetry

    The poem Tyger Tyger What is it about? thanks tabby xx

    asked on October 25, 2008
  25. art

    Which artist was least successful in his lifetime? Rembrandt, De la Tour, Rubeens, or Vermeer? I think it was Vermeer.

    asked on December 16, 2007
  26. economics

    Will buying bonds decrease the money supply?

    asked on December 13, 2007
  27. art

    Which phrase best describes the style of Rodin's sculptures? psychological and unfinished, Neo-Classical yet light-hearted, unfinished and light-hearted, unfinished yet polished? I think it is unfinished and light-hearted.

    asked on December 13, 2007
  28. art

    "Formalism" has two other names, one is "Structurism." Is the other "Rationalism?"

    asked on December 12, 2007
  29. art

    Who invented the ready-made?

    asked on December 12, 2007
  30. art

    Which painter would take everyday subjects and placed them in bizarre situations? Was it Sigmund Freud, Joan Miro, Rene Magritte, or Yves Tanguy? I think it was Rene Margritte.

    asked on December 12, 2007
  31. economics

    Do monopolies usually tend to result in higher prices, lower quality, fewer choices, or all of the above. I think it's higher prices.

    asked on December 12, 2007
  32. economics

    If businesses believe consumption will increase six months from now, everything else held constant, and they begin to increase investment, what do you predict will happen to aggregate demand? I think it will move to the left.

    asked on December 10, 2007
  33. art

    How was artistic advancement able to advance the humanistic movement?

    asked on November 16, 2007
  34. algebra

    Find all the zeroes of the equation. -3x^4+27x^2+1200=0 Use quadratic formula and show all work.

    asked on November 8, 2019
  35. Algebra

    Find all the series of the equation. -3x^4+27x^2+1200=0 Use quadratic formula and show all work.

    asked on November 8, 2019
  36. Math Linear Inequalities

    A rectangular enclosure must have an are of at least 4800yd^2. If 280yd of fencing is used, and the width can not exceed the length, within what limits must the width of the enclosure lie?

    asked on August 8, 2017
  37. Chemistry

    Find the number of mL of 4M HNO3 solution required to react with 216g of Ag according to the equation 3Ag+4HNO3->3AgNO3+2H2O

    asked on May 17, 2016
  38. physics

    An airplane is 5,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis up.

    asked on May 13, 2014
  39. Biology Help

    Describe how a monomer is the basic unit of all macromolecules. Thank you! :)

    asked on April 16, 2014
  40. LINEAR EQUATIONS

    how do i solve this: y = -2x +4

    asked on February 7, 2014
  41. Math-URGENT!!!!

    write the parametric equations of -3x+1/2y=2/3. please help me!!!

    asked on April 30, 2012
  42. Math -Urgent!!!

    List all the possible rational zeros of f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show me please.

    asked on April 29, 2012
  43. Rational Forms

    List all the possible rational zeros of f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show me please.

    asked on April 29, 2012
  44. Help W/ Definite Integrals

    Evaluate the definite integral of (4x^3-x^2+2) from 5 to 2. Can someone please explain what I'm being asked to do? My book is not clear on this concept.

    asked on April 29, 2012
  45. Vertices - Reflections&Tranlations?

    Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector I'm

    asked on April 28, 2012
  46. Reiny Damon Bobpursley?

    Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector I'm

    asked on April 27, 2012
  47. Reiny or Damon or Bobpursley

    Express the series 11 + 18 + 27 +...+ 171 using sigma notation. Usually you would take 27-18 and that's the step between numbers, right? (I think its the k-value?) But 27-18=9 and 18-11=7. Are we stepping by k+2 here? Like k, k+2 k+4, k+6...? Please help

    asked on April 27, 2012
  48. Evaluating Limits

    Evaluate lim x/((x+2)^2 - 4) as x-> 0 or state that the limit does not exist. My book said I can substitute 0 into the equation. I did that and came up with ____0_____ (0+2)^2 -4 which simplifies down to ___0___ which = _0_ which = _0_ = 0. 2^2 - 4 4-4 0

    asked on April 27, 2012
  49. Resultant Force?

    a force F1 of 35 newtons pulls at an angle of 15 degrees notrth of due east. A force F2 of 75 newtons pulls at an angle of 55 degrees west of due south. Find the magntiude and direction of the resultant force. Please help me - I have no idea what to do or

    asked on April 23, 2012
  50. Sum Of Unit Vectors?

    write MN as the sum of unit vectors for M(-3/4, 5, 2/3) and N(6, -9, 3/5). Someone help me please?

    asked on April 22, 2012
  51. Vectors?

    Find an ordered triple to represent vector x in x = -6z+1/4y if vector y= and vector z = Please and thank you. Multiple Choice: a) b) c) d)

    asked on April 22, 2012
  52. Exponential Functions?!

    solve 9^(2x-3) > 4. Round your answer to the nearest hundredth. The part in parenthesis is up at top like an exponent. I dont' know how to do this. Please help me.

    asked on April 21, 2012
  53. Hyperbolas

    Find the equation of the hyperbola whose vertices are at (-1,-5) and (-1,1) with a focus at (-1,-7). Please and thank you.

    asked on April 21, 2012
  54. rational exponents

    express the third root of(8a^3y^5) using rational exponents. Please show your work!

    asked on April 20, 2012
  55. bobpursley

    write the equation of the ellipse with foci at (0, -sqrt3) and (0, sqrt 3) and for which 2a=4 i've done this befoe, but with squareroots as endpoints. and if 2a=4, a=2, right? Please help me.

    asked on April 20, 2012
  56. distance formula

    I need to find the distance between two points, (6,-3) and (-1,4). d = sqrt[(x2-x1)^2 + (y2-y1)^2)] I got that down to the sqrt of 98, which is the decimal 9.899494937, approximated at 9.9. Is this the right answer?

    asked on April 20, 2012
  57. Polar equations - Help?

    i need to graph the polar equation 2 = r cos (theta + 180) on one of the graphs that looks like a flattened globe. So far I have 2=r cos180 costheta + r sin180 sintheta what do i do now?

    asked on April 20, 2012
  58. Polar Equations

    I am supposed to identify the classical curve that is represented by r = 1 + sin Theta. I think it's a cardioid, because its equation is r = 1 + 1 sin theta (r = a + a sin theta). Is this correct?

    asked on April 20, 2012
  59. Finance/ MAth

    find the balance after 15 years of a $2500 investment earning 5.5% interest compounded continuously Someone show me how to do this, please?!

    asked on April 19, 2012
  60. Trig/Precalc

    solve 6=e^0.2t Round your answer to the nearest hundredth Someone please help me - I don't understand this problem at all!

    asked on April 19, 2012
  61. Trig?Precalc

    write the rectangular equation x^2+y^2=6 in polar form. I do not want people to just post the answer! Please, show your work so that I can understand how to do these kinds of problems myself! Thank you and God Bless!

    asked on April 19, 2012
  62. Trig/PreCalc

    Teach me how to express 5sqrt3 - 5i in polar form please. I don't want you to do the work for me. Just show me the steps I need to do the work properly on my own. Otherwise I will not pass this class or the exam when I enter college, and I do not want to

    asked on April 13, 2012
  63. Math

    If sinθ=1/5 and θ is in Quadrant I, find the exact value of sin2θ.

    asked on January 12, 2011
  64. Math/Trig

    Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist, write both. Round your answer to the nearest tenth

    asked on January 12, 2011
  65. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?

    asked on January 11, 2011
  66. Trig/Math

    3. f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.

    asked on January 11, 2011
  67. Trig

    2.Graph f(x) = 1/4 cos(1/2 x + pi/2). Find the amplitude, period, and phase shift of the function. 3. Graph f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

    asked on January 10, 2011
  68. Math/Trig

    Determine the period of the function: f(x)=3sin1/2x+2

    asked on January 4, 2011
  69. Math/Trig

    Find two exact values of sin(cos­­ˉ¹ √5/6)

    asked on January 4, 2011
  70. Math/Trig

    Convert 2pi/3 radians into degrees please

    asked on January 4, 2011
  71. Math/Trig

    State the amplitude, period, phase shift, and vertical shift of f(x)=-1/4sin(6x+2pi)+9

    asked on January 4, 2011
  72. Trig, Math

    State the amplitude, period, phase shift, and vertical shift of f(x)=2cos(1/2x-pi/6)-1/3

    asked on January 4, 2011
  73. Trigonometry

    Find the area of a sector, given a central angle of 240degrees and a radius of 15 cm. Round your answer to the nearest tenth.

    asked on January 4, 2011
  74. Math/Triggg

    Determine sinx tanx-sinx=0 for 0≤ x < 360°.

    asked on January 4, 2011
  75. trig

    Write the equation of the sine function with an amplitude of, a period of, a phase shift of, and a vertical shift of 10 units up.

    asked on January 3, 2011
  76. algebra

    Find the slope f it exists x=-4 M=

    asked on September 8, 2009
  77. algebra

    solve by the elimination method 3r - 7s=-29 7r + 3x =29

    asked on September 8, 2009
  78. algebra

    solve by the elimination method 3r - 7s=-29 7r + 3x =29

    asked on September 8, 2009
  79. math

    you see a distant flash of light and then you hear a thunder clap 2 seconds later. the sound of thunder moves at 343 miles per second how far away is the lighting?

    asked on April 8, 2009
  80. grammar

    The antecedent in the following sentence is students: Students in online classes have to be organized to keep up with their assignments.

    asked on February 15, 2009
  81. Economics.

    I need some help please. I am trying to find some resources to help me with this does anyone know of a good article or website? What are the psoitive or negative expernalities of the food service industry?

    asked on January 11, 2009
  82. Employment skills

    What does the public employment office do?

    asked on April 25, 2008
  83. Employment skills

    We all have basic needs (food, shelter) and several wants (car, friends, nice clothes). How do human needs and wants relate to employment? Explain 3 ways in which work affects an individual's way of life.

    asked on April 25, 2008
  84. english

    I need an example of a research report for me to look at. I have to answer questions about one and I'm having trouble.

    asked on December 19, 2007
  85. art

    The statement "form follows function" means function over form, form over function, form and function together, or function under form. I think it is form over function.

    asked on December 19, 2007
  86. english

    What are "limiting words?"

    asked on December 17, 2007
  87. english

    What is AAABBB organization?

    asked on December 17, 2007
  88. english

    What would be an opinion that could be used as a topic sentence for a single persuasive paragraph about Photography?

    asked on December 16, 2007
  89. english

    I'm suppose to indicate whether glass, steel, and wood are considered meaningful or not meaningful. I'm really not sure what this means. I'm going to guess, meaningful.

    asked on December 16, 2007
  90. english

    I am suppose to come up three meaningful catergories for the topic; hairstlyes. What would be an example of one of these?

    asked on December 16, 2007
  91. economics

    On the aggregate demand graph if aggregate demand increases does the bar move left or right?

    asked on December 16, 2007
  92. english

    What are expository writing purposes? For example, I have to write 2 expository writing purposes on a historical figure.

    asked on December 16, 2007
  93. art

    Why were there fewer patrons in Northern Europe than in Italy?

    asked on December 16, 2007
  94. economics

    On the aggregate demand graph if aggregate demand increases does the bar move left or right?

    asked on December 16, 2007
  95. economics

    If something happens and foreign consumers begin to buy more goods and services made in the United States, everything else held constant, what do you predict will happen to aggregate demand? I think it will move to the left.

    asked on December 13, 2007
  96. economics

    Decreasing the money supply involves which type of economic policy? I think it is Monetary policy.

    asked on December 13, 2007
  97. english

    I have to write a paragraph about a vacation spot using order of importance and I have no idea where to begin. Can someone help me start?

    asked on December 13, 2007
  98. economics

    Which federal agency is responsible for managing inflation? The Department of Housing and Urban Development, The World Trade Organization, or The International Monetary Foundation? I think it is The World Trade Organization.

    asked on December 13, 2007
  99. art

    How do we know that the woman in "Portrait of a Lady" was a member of the upper class?

    asked on December 13, 2007
  100. economics

    The condition of non-exclusiveness means that: It is difficult to keep someone from benefiting from a public good.; There are negative externalities associated with a public good.; The public good is not very fancy.; or There are positive externalities

    asked on December 12, 2007

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