Questions Asked on
November 27, 2013

  1. pre-calc help

    Convert the rectangular coordinates to polar coordinates with r > 0 and 0 ≤ θ < 2π. (9, −9) (r, θ) = ?

    asked by Anonymous
  2. trig.

    a person standing 100ft. from the base of the tree looks up to the top of the tree with an angle of elevation of 52. assuming that the persons eyes are 5ft above ground the ground how tall is the tree?

    asked by maria
  3. history

    1. “An individual who breaks a law that conscience tells him is unjust, and who willingly accepts the penalty of imprisonment in order to arouse the conscience of the community over its injustice, is in reality expressing the highest respect for the

    asked by mary ann
  4. English

    Rewrite the sentences using nouns to replace the phrases in italics. Example: She writes books for a living. She is a writer. 1. Emma loves being a mother. .................................... 2. Having friends is the most important thing for Pepe.

    asked by Adam
  5. Math

    verify the identity (1-cosx)/(sinx)+(sinx)/(1-cosx)=2cscx Thank you!

    asked by Anonymous
  6. Calculus - Definite Intergrals

    Find the consumers' surplus and producers' surplus for p = D(x) = 71 - (1/10)x and p = S(x) = 35 + (1/20)x

    asked by Cally
  7. Statistics

    A statistics professor plans her classes so carefully that the lengths of her class are uniformly distributed between 46.0 and 56.0 minutes. Find the probablity that given class period runs less than 51.75 minutes

    asked by Jamie
  8. introduction to health care

    the view that a patient is an independent actor is known as justice b.autonomy c.the subject standard d.the objective standard my answer is a

    asked by susue
  9. English

    Identify simple subject and simple predicate in each 1 The elderly patient's deep venous thrombosis was treated with Coumadin. 2 The neurologic exam tested her Babinski reflex. 3 There are children waiting in the lobby. 4 After being examined and

    asked by Fran
  10. german

    When a modal is used with another verb, where is the other verb placed in the sentence? at the beginning directly after the modal at the end directly after the subject

    asked by orpheus
  11. science

    When molecules of water vapor in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form a liquid due to a increase in _ ? I don't really know this one PLEASE HELP?

    asked by S.O.S Ms. Sue
  12. introduction to health care

    a new technology that will change the role of the transcriptionist is a.speech recognition b.desktop transcription systems c.smards cards d.personal digital assistants my answer is d

    asked by susue
  13. probability

    A company ships computer components in boxes that contain 20 items. Assume that the probability of a defective computer component is 0.2. Find the probability that the first defect is found in the seventh component tested. Round your answer to four decimal

    asked by GIBSON
  14. math ergent please...

    10.a)Solve the inequality x^3-5x^2+2x+8

    asked by kavi
  15. English

    What does diverge mean in the following sentence? After traveling approximately 3.5 miles, the old highway will diverge. Stay in the left lane and follow until you see the new mall. a. the highway will end. b. the highway will divide into two lanes that go

    asked by Anonymous
  16. English

    Describe these words using only Three words:radiator,stairs,fire,torch,teacher,school,rabbit,comb,radio,football,camera,toaster...

    asked by Kina
  17. AP Chemistry

    A mixture consisting of 1 mol of H2O(g) and 1 mol CO(g) is placed in a 11 L reaction vessel at 800 K. At equilibrium, 0.422 mol CO2(g) is present as a result of the reaction CO(g) + H2O(g)CO2(g) + H2(g). What is Kc at 800 K?

    asked by Gabriella
  18. Math Help!

    Determine whether the relation is a function. {(4, 9), (-4, 9), (2, 3), (10, -5)}

    asked by Lori
  19. law

    How does the structure of the court determine the role of the defense lawyer?

    asked by joanna
  20. sociology

    Which sociologist showed that deviance exists in all societies, even those that treat members equally? A. Émile Durkheim B. Fredrick Engels C. Karl Marx D. Max Weber i'm stuck on this answer. i'm guessing it's not marx but it could be any of the other

    asked by orpheus
  21. electrical

    A load cell consists of a solid cylinder of steel 40 mm diameter with four strain gauges bondedto it and connected into the four arms of a voltagesensitive bridge. the gaugesare mounted to have poisson's arrangement. if the gauges are each of 100

    asked by Sarsi
  22. trigonometry

    find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π - -

    asked by Anonymous
  23. English

    Posted by rfvv on Tuesday, November 26, 2013 at 6:56am. a statement about what will happen in the future (What is the part of speech of 'what'? Is 'what' an interrogative pronoun or a relative pronoun?) English - Writeacher, Tuesday, November 26, 2013 at

    asked by rfvv
  24. algebra 1

    Look at the pattern that follows. Which expression represents this pattern algebraically? 8, 17, 26, 35, 44, …

    asked by mark
  25. math

    the ratio of the number of desktop computers sold to the number of laptops sold by a dealer is 5 to 9 if 20 desktop computers were sold then how many laptops wree sold?

    asked by John Dosley
  26. science

    what physical components do the sun and earth have in common ? a) core and mantle b) core and atmosphere c) crust and atmosphere d) mantle and crust

    asked by victoria
  27. science

    what outer planet is known for having visible clouds in its atmosphere ? a)Uranus b)Neptune c)Saturn d)Jupiter

    asked by victoria
  28. Math

    What would 64x6^4 equal in simplest form?

    asked by Nicole
  29. Algebra

    A man invested $15,000. Part of the investment was put into an account that gave 7%, and part in an account that paid 6.5%. The interest earned was 1,520. How much was invested into each account?

    asked by Paul
  30. science

    how do I make a presentation?

    asked by Ronald
  31. psychology270

    How do I show a presentation on Unipolar and Bipolar Depression?

    asked by Ronald
  32. algebra


    asked by Anonymous
  33. poetry

    Could you help me answer these questions using William Cullen Bryant's poem, "The Prairies?" Thank you so much! I've attached a link to the poem. The poem text is widely available online if you just google the title/author Here are the questions I am

    asked by Bob
  34. economics

    How Does Public Capital Affect a Nations Curve?

    asked by Whosay
  35. math

    The third set of differences of a function is constant and negative. Identify the type of function, its domain, range and key features of its graph.

    asked by Miss K
  36. Physical Science

    How many compounds are in potassium sulfide (K2S)?

    asked by Talha
  37. Physical Science

    Do metalloids have a complete outermost shell?

    asked by Talha
  38. math

    a) Complete the chart below to compare y=-3(x+4)^2-2 to y=a[k(x-d)]n +c. b) Describe the effects of a, k, d and c on the original curve y=x^2. CHART (doing my best to make a chart) y=x^2 / y=-3x^2 / y=-3(x+4)^2-2 ------ / ------- / ------------- / / (-2,4)

    asked by Miss K
  39. math

    Consider the function f(x)= 3 ------. x^2-25 a) Determine any restrictions on x. b) State the domain and range. c) State equation(s) for the asymptote(s). d) Determine any x- and y-intercepts. e) Sketch a graph of the function. f) Describe the behaviour of

    asked by karthi
  40. quick english help

    in which sentence is the underlined infinitive or infinitive phrase function as a direct object? c. After all that exercise, the runners needed *to drink water*. d.Just as the mayor was about *to give an award*, it began raining. I would say its d?

    asked by Ke$ha
  41. Math

    4x-3y=5 Solve { 5y+7=3x using the method of elimination.

    asked by Jeff
  42. english

    5. Read the following passage from “The Snake Chief”: Now in that part of Africa it was unheard of for a bride to go to her wedding without a host of friends and relations all singing and dancing for joy. So the father was astonished when his daughter

    asked by Anonymous
  43. need help asap

    Which of the following is greater than 0.366? Put 0.367, 36.5%, and nine over twenty-five in order from least to greatest.

    asked by Miley23
  44. Physics Classical Mechanics

    A metal meter stick made of steel rotates about its midpoint. The angular speed is slowly increased. At what value of the angular speed will the stick break apart at the center? Give your answer in rad/s. Hint: find a relationshop between the maximum

    asked by Anonymous
  45. Physics Classical Mechanics

    A stick of length l = 65.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 39.0 degrees. What is

    asked by Anonymous
  46. Physics Classical Mechanics

    Three smooth balls of iron of mass m and radius R are placed inside a tube of diameter 3R (see Figure). Find the magnitude of the forces (A, B, C and D) exerted by the sides of the container on each ball. Write your answers in terms of m, g and R. A= B= C=

    asked by Anonymous
  47. Physics Classical Mechanics

    A long rod hangs straight down from one end. How long (in meters) can the rod be before its weight causes it to break off at the end if it is made of iron? titanium? Give your answer in meters. Use the following values for densities and tensile strengths:

    asked by Anonymous
  48. math

    calculate: V = 227000 * 1090 + 8500000 * 70.70 + 447000 * 80.70 = ?

    asked by Serenity1
  49. math

    I need help solving these: A) 8500000 * 70.70 / 884452900 B) 447000 * 80.70 / 884452900 C) 227000 * 1090 / 884452900

    asked by Serenity1
  50. math

    If the bill is 26.14 and there is a 3% discount what is the answer after 6% sales tax is added?

    asked by coder5
  51. Physical Science

    Which of the following is a balanced equation? a. A1 + CuSO4= Cu + A12 (SO4)3 b. 2 A1 + CuSO4 = Cu + A12 (SO4)3 c. A1 + 3 CuSO4 = 2 Cu + A12 (SO4)3 d. 2 A1 + 3 CuSO4 = 3 Cu + A12 (SO4)3

    asked by Talha
  52. Biochemistry Gel Electrophoresis

    In Agarose gel electrophoresis, what may have occurred if all the sample lanes showed the same bands? Lane 1 is using EcoRI as restriction enzyme, lane 2 is using BamHI as restriction enzyme and lane 3 uses both the restriction enzymes. Thanks in advance!

    asked by Tay.. PLEASE HELP :)
  53. English

    In which of the sentences is only the simple subject in quotes? a. The train "conductor" of the Texas Flyer presented at our community meeting. b. "The first singer in the line-up" wore a red formal dress. c. "Mary's Whole Food" Store in Oklahoma City

    asked by Anonymous
  54. AP Chemistry

    At a certain temperature, the equilibrium constant Kc is 0.154 for the reaction 2SO2(g) + O2(g) 2SO3(g) What concentration of SO3 would be in equilibrium with 0.250 moles of SO2 and 0.885 moles of O2 in a 1.00 liter container at this temperature? Note:

    asked by Gabriella
  55. AP Chemistry

    At 350 K, Kc= 0.142 for the reaction 2BrCl(g) Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal concentrations of bromine and chlorine, 0.049 mol/L. What is the equilibrium concentration of BrCl? Answer in units of M

    asked by Gabriella
  56. AP Chemistry

    The equilibrium constant for the reaction PCl3(g) + Cl2(g) PCl5(g) is 35000 at 760◦C. At equilibrium, the partial pressure of PCl5 was 110 bar and that of PCl3 was 9.98 bar. Calculate the equilibrium partial pressure of Cl2. Answer in units of bar

    asked by Gabriella
  57. Physics

    Traveling in the city its faster to take a bicycle than a bus, one reason for this is that a bike can accelerate faster than a bus. Let’s say a Bike and bus both stopped at a red light and both takes off an exact same time when the light turns green. The

    asked by Emily
  58. MATHS

    The storekeeper found that if he removed the apples from his box either 2,3,4,5 or 6 at a time there was always one left over. However, if he removed the apples 7 at a time there was no apples left. If the box holds 500 apples, how many apples does the

    asked by LARA
  59. maths

    what is 6.24 times greater than 12

    asked by titilope
  60. To Anonymous re Behavioural Economics in Action

    I have removed your post ... your entire test or homework or whatever it was. No one here will do your work for you, but if you go through this and answer these questions yourself ... and post no more than 5 that you aren't sure of, someone may be able to

    asked by Writeacher
  61. Chemistry

    Is oxygen considered an diatomic molecule?

    asked by Lana Del Rey
  62. Calculus

    Find the consumers' surplus and the producers' surplus at the equilibrium price level for the given price-demand and price supply equations. p = D(x) = 170e^-0.001x p = S(x) = 35e^0.001x a) The value of x at the equilibrium is ___ b) The value of p at

    asked by Cally
  63. math help

    please help I need to write the equation in slope-intercept form y=4x-3;(-3,12)

    asked by asia
  64. us hist

    Which of the following occurred at Fort Sumter a. The Confederate commander refused to fire on the fort and had to be replaced b. Five Union protectors of the fort were killed c. The Confederacy shelled the fort for almost two days before its commander

    asked by joe
  65. English

    1. He behaved most carefully. 2. He behaved the most carefully. 3. He behaved very carefully. (Are they all grammatical? Does #1 mean #2 or #3? Thank you.)

    asked by rfvv
  66. criminal justice

    How does the structure of the court determine the role of the defense lawyer?

    asked by patiance
  67. geometry

    If angle 1 and angle 2 are vertical angles and measurement angle 1= 3x+17 and measurement angle 2= 4x-34 what is measurement angle 1?

    asked by Anonymous
  68. math

    Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? (Points : 2.5)

    asked by katrina
  69. Pre-Calc

    Please help me solve these two equations!! Divide and express as a polynomial: 12a^8b^5 - 9a^14b^15 + 6a^6b^10 _____________________________________ 3a^2b^5 Simplify: a/b - b/a __________ a-b/b

    asked by Maggie
  70. sociology

    Marxism claims that social welfare agencies are really just organizations of A. social class. B. social control. C. social pride. D. social vanity.

    asked by orpheus

    The rms output voltage of an AC source is 210 V, and the operating frequency is 90 Hz. Write the equation giving the output voltage as a function of time t.

    asked by Begging for help
  72. math

    calculate: 31,760,000 / 1 - 0.0781 Need help.

    asked by Serenity1
  73. math

    please calculate: 67.95% * 9% + 27.98% * 5% + 4.08% * 7%

    asked by Serenity1
  74. sociology

    Which theory, in conjunction with labeling theory, tries to explain how people define deviance in situations in everyday life? A. conflict theory B. functionalism theory C. network theory D. symbolic interaction i cant find this in my vocabulary list so

    asked by orpheus
  75. math

    Aaron has a turkey farm. for every three male turkeys, he has 17 female turkeys. If he has 272 female turkeys, how many male turkeys does Aaron have? I did 3/17=x/272 17x/17=816/17 so x=48 Is this correct? Thanks for checking over my work

    asked by B8
  76. English

    What is the complete subject in the following sentence? The International Cowboy Association will meet the third Saturday of each month. a. The International Cowboy Association b. Cowboy Association c. the third Saturday of each month. A

    asked by Anonymous
  77. physics

    An object with mass 2.0kg is attached to a spring with spring stiffness constant 240N/m and is executing simple harmonic motion. When the object is 2.2×10−2m from its equilibrium position, it is moving with a speed of 0.65m/s . Calculate the

    asked by Dani
  78. math

    the dimensions of Gina's dining room table are represented by (3x-7) and (30-x). Find the perimeter 0f the table in terms of x. I did (3x-7)(-x+30) -3x^2+90x+7x-210 -3x^2+97x-210 Is this correct? Thanks for checking my work, I appreciate it

    asked by B8
  79. pre-calc help

    Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) 5 sin^2(x)- 21 sin(x)+ 4 =0

    asked by Kate
  80. physics

    A violin string vibrates at 298 Hz when unfingered. At what frequency will it vibrate if it is fingered one sixth of the way down from the end?

    asked by Dani
  81. pre-calc help

    Convert the rectangular coordinates to polar coordinates with r > 0 and 0 ≤ θ < 2π. (9, −9) (r, θ) = ?

    asked by Kate
  82. Math - Trig

    1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the

    asked by McKenna Louise
  83. Math - Trig

    1. Given that points S and R on opposite sides of a lake, triangle SRT is formed. To find the distance RS across the lake, a surveyor lays off RT = 53.1 m, with angle T = 32deg 10' and anagle S = 57deg 50'. Find length RS.

    asked by McKenna Louise
  84. physics

    Black hole in X-Ray Binary. An X-ray binary consists of 2 stars with masses (the accreting compact object) and (the donor). The orbits are circular with radii and centered on the center of mass. (a) Find the orbital period of the binary following the

    asked by Greco
  85. Probability and Statistics

    The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not

    asked by Katy
  86. trig

    find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π Answer this Que

    asked by Anonymous
  87. physics

    Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm.

    asked by Anonymous
  88. science

    caco3 + kno3 =0.301g resalt soild 0.197g co2:o2 ?

    asked by sangeetha
  89. Chemistry

    6. Explain how you would prepare this solution from powdered reagents and whatever glassware you needed: 3.0 L of 1.3 M NaOH

    asked by Gregory
  90. Calculus

    S=Integral xdx/sqrt(x-1). I have proceeded thus- Put sqrt(x-1)=u then x=u^2+1 and dx/sqrt(x-1)=2du. S=(u^2+1)2du/u =(2u+2/u)du=u^2+2 log u +C =(x-1)+ 2 log sqrt(x-1)=(x-1)+log(x-1)+C Required answer is 2/3*(x+2)sqrt(x-1)+C Have I proceeded correctly and if

    asked by MS
  91. Math-Algebra

    If a varies inversely as b, and b is increased by 50%, what is the percentage of change in a?

    asked by McKenna Louise
  92. Chemistry

    How many moles in 0.7g of SO2 ..and how would you do this! Thanks

    asked by Laura
  93. Chemistry

    What is 0.7g of SO2 ..and how would you do this equation? Thanks,

    asked by Laura
  94. English

    1. Ann commanded/ordered that he (should) go there. 2. Ann suggested/proposed that he should join the club. 3. Ann insisted that he (should) wash the car. 4. Ann requested that he (should) go see a doctor. 5. Ann decided/determined that he (should) go to

    asked by rfvv
  95. introduction to health care

    the term universal in the canda health act means that a.all canadiands must pay into the system b.all residents of a given province are covered under that's provinces health care plan c.a Canadian resident can be covered by the health care plan of the

    asked by susue