Tabby

Most popular questions and responses by Tabby
  1. chem

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

    asked on October 21, 2008
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. scientific notation

    Write the number in scientific notation: 0.000375

    asked on November 20, 2007
  8. 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
  9. 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
  10. chemistry

    I just can't do this... Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chorate. What is the balanced equation? How many moles of oxygen are produced from twelve moles of postassium

    asked on January 15, 2007
  11. 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
  12. us history

    which of the following best describes an example of how Progressives worked? a) they worked to free businesses from unnecessary government restraint. b) they worked to make government more responsive to people. c) they allowed govenment leaders more

    asked on December 14, 2006
  13. Algebra

    Solve the system 9x-5y=119 18x-10y=238 Double both sides of the first equation and you have 18x-10y =238 which is the same as the second equation. Since the two equations are not independent, there are no unique solutions. Thee are an infinite number of

    asked on December 14, 2006
  14. 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
  15. 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
  16. English

    In the ballad Get Up and Bar The Door does the line "get up and bar the door" act as a stanza or a refrain. Also, do you know of a version that is easy to read?

    asked on November 29, 2007
  17. Math

    A family spends 20% of its monthly income on food, 23% on rent, and 42% on other expenses and saves the balance. If the family saves $360 per month, is their monthly income $2,400?

    asked on October 9, 2007
  18. Chemistry

    Can you show me how to do this? 2KClO3 -> 2KCl + 3O2 If 5.0(g) of KClO3 is decomposed , what volume of O2 is produced at STP? 5 g KClO3 = ?? mols. ??mols KClO3 will produce how many mols O2? Use the coefficients in the equation to do this conversion. 1 mol

    asked on January 10, 2007
  19. 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
  20. 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
  21. Math/Trig

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

    asked on January 4, 2011
  22. algebra

    factor the expression 4xsquared+35x+24 my answer: (4x+3)(x-8) 4x2 +35x+24= 24 = 2x12 24 = 4x6 24 = 8x3***** (4x+3)(X+8) 4X2 + 3X + 32X +24 + 4XSQ. + 35X + 24

    asked on December 14, 2006
  23. History

    Which of the following best explains why the "recall" provision was an important election reform? a) it allows voters to remember what measures are on the ballot. b) it allows for removal of an elected offical from office. c) it allows a vote on a measure

    asked on December 14, 2006
  24. 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
  25. Polar equations

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

    asked on April 20, 2012
  26. 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
  27. 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
  28. algebra

    How do I do this? What is the probability of rolling a die twice and rolling a 6 the first time and an even number the second time? Is it 1/12, 4/32, 5/32, or Not Given?

    asked on December 6, 2007
  29. beowulf

    What qualities of an Anglo-Saxon leader did both Scyld Scefing and Hrothgar possess?

    asked on November 27, 2007
  30. art

    What is the element which serves as a main idea in an artist’s composition? Is it the subject matter?

    asked on November 24, 2007
  31. art

    How did artistic advancement advance the humanist movement? I have no idea.

    asked on November 15, 2007
  32. art

    What are some similarites and difference between San Vitale and Sant'Apollinaire? I cannot find anything about Sant'Apollinarire.

    asked on November 15, 2007
  33. algebra

    y varies directly with x If x=52 when y=130, find x when y=140 i got 61 x/52 = 140/130 x= 52(140/130) Put 52(140/130) in the google search window.

    asked on December 14, 2006
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. Employment skills

    What does the public employment office do?

    asked on April 25, 2008
  41. 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
  42. art

    How was artistic advancement able to advance the humanistic movement?

    asked on November 16, 2007
  43. art history

    Which of the following structure is indigenous in China? >pagodas >obelisks >mastabas or >totem poles? I think the answer is totem poles.

    asked on October 30, 2007
  44. chemistry

    I don't know how to do this How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the limiting reagent? Write the balanced equation. 2H2 + O2 ==> 2H2O 2 mols H2 + 1 mol O2 will produce 2 mol H2O. So 16 mols H2

    asked on January 15, 2007
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. rational exponents

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

    asked on April 20, 2012
  51. 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
  52. 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
  53. Math

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

    asked on January 12, 2011
  54. 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
  55. 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
  56. 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
  57. Math/Triggg

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

    asked on January 4, 2011
  58. 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
  59. algebra

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

    asked on September 8, 2009
  60. algebra

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

    asked on September 8, 2009
  61. english poetry

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

    asked on October 25, 2008
  62. 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
  63. 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
  64. 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
  65. 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
  66. economics

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

    asked on December 16, 2007
  67. 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
  68. 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
  69. algebra

    What is the formula for tan? For example tan N. Is it the opposite angle/hypotneuse? What about sin and cosine?

    asked on December 10, 2007
  70. algebra

    How do I do this? What is the probability of rolling a die twice and rolling a 6 the first time and an even number the second time? Is it 1/12, 4/32, 5/32, or Not Given?

    asked on December 6, 2007
  71. algebra

    How do I solve inequalities? For example a+15>27. a.) a>42 b.) a>13 c.) a>12 d.) not given.

    asked on December 5, 2007
  72. politics

    How many years does each Governor serve? Is it 5 years?

    asked on December 5, 2007
  73. economics

    What does internalizing an externality mean?

    asked on December 4, 2007
  74. algebra

    a and b are both the lengths of the legs of a right triangle, c is the length of the hypotenuse. Find the missing length if b=24 and c=25. I don't know how to do this.

    asked on December 4, 2007
  75. algebra

    Which one is greater 5/6 or 8/9? I think it's 8/9.

    asked on December 4, 2007
  76. history

    What did the Britons and Gauls have in common?

    asked on November 28, 2007
  77. art

    I know the Chartes Cathedral is an example of the "High Gothic" style, but how is it not an example?

    asked on November 15, 2007
  78. Science

    In meiosis what is nondisjunction? http://www.onelook.com/?w=nondisjunction&ls=a

    asked on May 21, 2007
  79. Poetry

    What does "To be great is to be misunderstood" by Emerson mean exactly? I think he meant something along the lines of this: In 1920 in London, at a conference of the world's greatest physicists...someone remarked to Einstein that only three men understood

    asked on January 28, 2007
  80. algebra

    evaluate the expression for the given value of the variable. 4(3h-6)-3(4h+5)/6+h ; h=-3 i think it's -37 I believe you made a mistake somewhere. Check your steps. 4[3(-3)-6]-3[4(-3)+5] --------------------- 6-3 Let's do the top, first. 4[-9-6]-3[-12+5]

    asked on December 14, 2006
  81. LINEAR EQUATIONS

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

    asked on February 7, 2014
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. Math/Trig

    Convert 2pi/3 radians into degrees please

    asked on January 4, 2011
  90. Math/Trig

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

    asked on January 4, 2011
  91. 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
  92. 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
  93. algebra

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

    asked on September 8, 2009
  94. 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
  95. 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
  96. 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
  97. english

    What is AAABBB organization?

    asked on December 17, 2007
  98. economics

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

    asked on December 13, 2007
  99. 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
  100. art

    Who invented the ready-made?

    asked on December 12, 2007

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