Questions Asked on
January 4, 2009

  1. english

    what does these quote mean? 1.)"my life for itself and not for a spectacle" 2.)An institution is the lengthened shadow of a man. 3.) Life only avails, not the having lived. 4.) Insist on yourself; never imitate Thanks for your help!

    asked by jess
  2. physics

    a 500 N person stands on a uniform board of weight 100 N and length 8 m. the board is supported at each end. if the support force at the right end is three times that at the left end, how far from the right end is the person? please explain

    asked by amanda
  3. Math

    Help prove this identitiy tan(pi/4+x)+tan(pi/4-x)=2sec2x

    asked by Gifty
  4. antiques

    What does the COP marking inside some jewelry stand for?

    asked by La La
  5. Physics

    If a 2.0-kilogram mass is raised 0.050 meter vertically, the work done on the mass is approximately (1) 0.10 J (2) 0.98 J (3) 9.8 J (4) 40. J

    asked by Bishketta
  6. 5th Grade Math

    Beth & her grandmother paid $23 tickets to a play. An adult ticket costs $6.50 more than a child's ticket. What was the cost of Beth's ticket?

    asked by Sacha
  7. phys

    A plane takes off at St. Louis, flies straight to Denver, and then returns the same way. The plan flies at the same speed with respect to the ground during the flight, and there are no head winds or tail winds. Since the earth revolves around its axis once

    asked by Gina
  8. Global

    I need one more source for my paper. It is on the theme of Environmental and Society. I am using the ancient civilizations of china, greece and india. I have a BUNCH of information on the geography, what they ate because of geography, what they did because

    asked by Anonymous
  9. home economics

    what type of economic activity is predominant in the deserts of north Africa and south Asia?

    asked by memo
  10. Biology

    What are two types of materials or observations that would necessitate the use of the stereoscopic microscope? What organelles are visible with the electron microscope but not with the light microscope? (we've been studying single celled organisms and

    asked by anna
  11. calculus

    Find the area of the largest rectangle (with sides parallel to the coordinate axes) that can be inscribed i nthe region enclosed by the graphs of f(x)=18-x^2 and g(x)=2x^2-9. Is it equal to about 67.67? I have no idea finding the answer by using max or

    asked by Katie
  12. Physics

    Two projectiles are launched form ground elvel at the same angle above the horizontal, and both return to groudn level. Projectile A has a launch speed that is twice that of projectile B. What are the ratios of the maximum heights of the balls? What are

    asked by dani
  13. CACULUS

    If the function f(x) is differentiable and f(x)= {ax^3 + 6x, if x≤1 {bx^2 + 4, if x>1 then a = What do I do?? No idea what's going on..

    asked by BOB
  14. chemistry

    Silicon tetrachloride exists as a covalent molecule. What is the valency of silicon in this molecule? Give reasons for your answer.

    asked by trigger
  15. Chemistry

    A conductivity cell was calibrated using KCl solution (0.01 mol dm^-3) with a conductivity of 0.141 S m^-1 and the resistance was found to be 520 Ohms. The resistance of a saturated solution of silver chloride was found to be 3.8 x 10^5 Ohms. Calculate the

    asked by Alice
  16. science-physics

    All objects emit ______ radiation. Is it incident? The frequency of the radiation of most objects is a) below b) in the middle of c) greater than he frequency of the visibile light spectrum? I think its below as most objects can not be seen by visible

    asked by samantha
  17. math

    What factoring technique would be used to factor 2x^2+5x+3?

    asked by ABCD
  18. spanish SRA MCGUINN

    Fortunately in English can you please tell me the spanish translation, also the spanish word afortunadamente what is the Englsih transalation

    asked by sam
  19. math 6th grade

    Using Multiplication to Solve Equations 9-Y5 had only packed 1/8 of the meals he was supposed to pack. The astronut had only been given 3 3/4 meals. How many meals should 9y-5 have packed for the astronut?

    asked by agnes
  20. Math-Gr.11 urgent

    The 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710. Determine the 25th term. Can someone please explain how to do this? I don't know which formula to use. TIA

    asked by Mae
  21. quadratic equations

    how do you know if a quadratic equation will have 1,2 or no solutions

    asked by Anonymous
  22. plants

    what is the main purpose of fruit pruduction by a plant

    asked by daria
  23. Reading

    What is the purpose of this topic sentece? Heat energy travels from warmer objects to cooler ones.

    asked by Kristi
  24. social studies

    What needs to take place to bridge the economic gap between whites and blacks in South Africa?

    asked by Ellie
  25. math

    solve the inequality using any method x^2-8x+12

    asked by kiearra
  26. Physics

    An object with a mass of 49 N falls out of a plane going 20.0 m/s at 300 m above the ground. 1)How do I find the time that the object is in the air? 2)The horizontal distance of the object? Could someone help me out?

    asked by mw
  27. algebra II

    A set of input values is sometimes referred to as the replacement set for the independent variables. Evaluate each function for the given replacement set. f(x)=3x-6;{-3.5,-1,1/4,2,11}

    asked by Kate
  28. math

    find thedomain and range of {(7,-2), (-6,-4) (9-9,)-(5-5)}= evaluate f(x) +3x^2-4x-3at f(x-1)= evaluate f(x)= -5x+8 atf(-3)= it will be well appreciated of what how and help with these math problems plz thank you

    asked by sherri
  29. Physics

    A tennis ball is hit into the air and moves along an arc. Neglecting air resistance, where along the arc is the speed of the ball a)a minimum and b) a maximum? I'm thinking it's at a max at the begging and end, and a min at the top, but that's just a

    asked by dani
  30. Leadership

    Deliverable Length: 1000-1200 words You are excited about your new position as compliance officer at ECG because this is your first role as a member of a senior executive team. You have the enviable opportunity to be a critical part of ECG’s growth as

    asked by Simon
  31. Chemistry

    Which phosphates are found in human urine? I am writing about the discovery of phosphorus. I know that after urine was left to stand for several days and boiled to a paste it contained ammonium sodium hydrogen phosphate. Is this a constituent of fresh

    asked by Alice
  32. math

    Problem sloving question - Using addition to solve equations Mr wilheim made 342 gallons of brown wax. Unfortunately, he burned some of the wax while it was cooking. He was able to save 256 gallons. How many gallons of wax burned ?

    asked by alex
  33. Physics

    A yo-yo has a string length of 0.200 m What is the slowest speed at which you can spin it to keep it in a fixed path? What is this, and how do you find it? Thanks

    asked by Megan
  34. 7th grade Science

    How does the internal structures of earth's density compare to the lithosphere's density? It is a lot greater, a little greater, a lot smaller or a little smaller?

    asked by Mary Grace
  35. math 6th grade

    Using Multiplication to solve equations: 9y-5 had to iron space suits for the astronuts. When he finished he turned in the suits to his commander. The commander counted the suits and realized that 54 of them were missing. 9Y-5 blushed and explained that he

    asked by agnes
  36. Algebra 1 Question

    How would you solve 50 + 9x - 19x = -9 (X= ) I'm just having trouble doing it. Thank you. :)

    asked by Jessie
  37. math

    Are you sure that (2x+1)(x+3) is the factored version of 2x^2+5x+3?

    asked by ABCD
  38. math

    It's impossible to factor x^2-6x+5 right?

    asked by ABCD
  39. maths

    how many terms of the series -8,-6-,-4.... make the sum 90?

    asked by bilal qureshi
  40. physical science

    Which acid reacts with KOH to produce the salt KCI? Thank you very much.

    asked by Lisa
  41. 7th grade

    -7X+X

    asked by Whitmney
  42. law and ethics in medicine

    how will employees in the medical office have to be trained regarding privacy (for example, who is responsible for training and record keeping)? what is required if an employee doesn't follow the privacy policy? when must employees be trained? in what

    asked by Elaine
  43. MATH

    Can someone help me solve these problems? Thank you. [SQRT(2x2 + 5x + 6)]=x . [SQRT(x + 3)] = 2[SQRT(x)]

    asked by Mike
  44. 6th grade

    Combining like terms - 1/2x+2/4x=16+1/2 how would you combine this

    asked by angnes
  45. physics

    A body which absorbs 100% of the energy that falls on it is known as a blackbody. how much energy will this body emit? i think it is 100% as well. but i am not sure.

    asked by chrissy
  46. Algebra (MAT 117)

    b. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.) c. Use the value of C you found in the previous question to determine how much the

    asked by Paradise
  47. Physics

    How do you find the coefficient of friction of an object sliding down an inclined plane. Given: m = 10 kg length of plane = 5.0 m Height of plane = 2.5 m

    asked by Megan
  48. bio

    Describe how the Expression of the gene of interest could be ensured

    asked by phil
  49. Grade 11 chemistry

    Describe why the incomplete combustion of a hydrocarbon in an enclosed area can be dangerous.

    asked by Becky
  50. math

    Find the next term and the nth term of the sequence: 2+4, 8+4, 18+4, 32+4, 50+4,... a) 72 + 4 and 2n2+4 b) 68 + 4 and 68n2 + 72 c) 86 + 4 and 90 + n2

    asked by Renee
  51. pre-calc

    what does this simplify to: f(x)=x/(x+4)^(1/5)-2

    asked by Allie
  52. math

    how would you rathionalize the denominator of: f(x)= x/((x+4)^.5)-2

    asked by Beth
  53. cook

    do u know where i could find information on cheese and hygiene? thanks in advance if u do

    asked by Ryanna
  54. Chemistry

    Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different temperatures? And if there is just one value, do you know what it is?

    asked by Unsure
  55. Chemistry

    Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different temperatures? And if there is just one value, do you know what it is?

    asked by Unsure
  56. Chemistry

    Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different temperatures? And if there is just one value, do you know what it is?

    asked by Unsure
  57. science

    how does the structure of DNA help account for the way in wich DNA copies itself

    asked by tommy
  58. science

    what are five volcanoes found along the ring of fire

    asked by ashley
  59. math

    My son is doing a math project with many diagrams, but the teacher did not senf home examples of; Fact Triangle, Change Diagram, Prts-and-Total Diagram, and Frames-and-Arrows problems I don't know what this is. PLEASE HELP ME!!

    asked by Yashika
  60. social studies

    Does apartheid still exist in some ways in South Africa? Explain.

    asked by Ellie
  61. math

    What numbers add up to 1 and multiplies to -2?

    asked by Anonymous
  62. Calculus

    The curve f(x)=-x^4+2x^2+x has a tangent at the point (1,2). Is this line tangent to the curve at another point and, if so where?

    asked by Laura
  63. math

    solve the equation by completing the square: x^2-9x-2=0

    asked by princess
  64. math

    use the quadratic formula to solve the equation: x^2+10x-10=0

    asked by key
  65. Math

    If Jane had $0.58 in quarter(s), dime(s), nickle(s), and pennies she has a total of 9 coins. What coins does Jane have?

    asked by Sharika
  66. Fine Arts

    What elements of art are used in the painting/sculpture Madonna and Child in Arch? I think harmony is used but what else? thank you kindly

    asked by Alyssa
  67. biology

    Which have cells walls? (more than one may be correct) A)chilomonas B)volvox C)peranema. Which have chloroplasts? (more than one may be correct) A)Paramecium B)Amoeba C)chilomonas D)volvox E)peranema

    asked by anna
  68. Biology

    What cell structure/organelle would be especially common in i)cells lining the respiratory passages? ii)white blood cells that engulf and detroy invading bacteria iii)enzyme (protein) secreting cells of the pancreas

    asked by Dan
  69. Math- Algebra

    i'm having troubles with some sums how would you factorize completely 9a(squared) - b(squared)? or an expression like 27x(squared) - 1/3y(squared) its difficult. have many more.

    asked by Kayleigh
  70. english

    "God thought and thought" ..what is the sound device used?

    asked by Kristine
  71. math

    what is the distributive property

    asked by bob
  72. math

    What would the cube root of 6a^2 produce?

    asked by Anonymous
  73. math

    The sum of what 2 prime numbers equals 16?

    asked by bria
  74. Science

    Describe the feedback mechanism that occurs at the stomates of plants.

    asked by Jordan
  75. Science

    Explain how stomates help maintain homeostasis within the leaf.

    asked by Jordan
  76. Algebra

    Can someone please tell me if my work and solution looks correct. I am a little unsure of whether or not I did it correctly. Equation: sqrt(x+2) - x = 0 sqrt(x+2) = x x + 2 = x^2 x^2 - x - 2 = 0 (x-2)(x+1) = 0 x = 2 and x = -1 -1 does not work, so the

    asked by Renee
  77. cal

    Write the equation of the tangent at (2,2) to the curve x^2-2xy+y^2+2x+y-6=0 Can anyone please give me some ideas to do it?Thanks!

    asked by Ivy
  78. Algebra

    Please help me solve: [SQRT(x)]=-2 1. [SQRT(2x2 - 1)]=x

    asked by George
  79. Physics

    The coefficient of friction = 0.256 Mass of and object = 356 kg What is force of friction? Is this correct?... Ff = umg = 0.256*356kg*9.81 = 894 N

    asked by JO
  80. Religions of the World

    How are newer ( any type) religions different from older ones? How are they similar?

    asked by A.W.
  81. Physics

    How do you find the max height of a projectile given the angle and Vi? Angle = 57.0 degrees Initial V = 46 m/s

    asked by JO
  82. Graphing

    Okay, so I need to make a line graph for career advancement. Would I put the job position on the vertical axis or the horizontal one? And Where would I put the years of experience needed to reach that position? ON the horizontal or vertical? Please help.

    asked by Larry
  83. algebra II

    A set of input values is sometimes referred to as the replacement set for the independent variables. Evaluate each function for the given replacement set. f(x)=3x-6;{-3.5,-1,1/4,2,11} f(x)=x(1-2x);{-8,2/3,1,9,4}

    asked by Kate
  84. 10th grade

    how do you draw a circle with the points of A,B,and D that lies on the point of tangency C

    asked by mary
  85. physics

    What is the R-factor of insulation and what does it equal? i have looked everywhere and can not seem to find it.

    asked by chrissy
  86. French

    Is "je suis allé souvent" correct or should it be "je suis souvent allé?" Thanks

    asked by JK
  87. reask math question

    find thedomain and range of {(7,-2), (-6,-4) (9-9,)-(5-5),(6,6)}

    asked by sherri
  88. 7th grade

    how to make a kaleidoscope?

    asked by mae
  89. 7th grade

    what science project can i do in the category of space?

    asked by mae
  90. math

    keep trying to solve this one but canceling out x. i know x=-2 but i'm not quite sure how to get there in steps? 5^(2+3)-5^(x+2)=4 please help!

    asked by Hared
  91. health and disease

    I am doing a essay on alzheimers and know and was wondering if someone could help me find info on this question. I know there is things you can do to slow this disease but have also found that they think gentics is part of it also. So my question is..Is

    asked by april
  92. math (other one is wrong equation)

    sorry, i posted the wrong equation in the other message 5^(x+3)-5^(x+2)=4 again, i know the answer is x = -2, but i'm not sure how to get there in steps.

    asked by Hared
  93. Math - Pre-Algebra

    Using Addition to Solve Equations Mr wilheim wrote down the amount of wax used for the Betsey Ross Statute. For the queen, he would .6 gallons less for the arms and 1.5 gallons less for the legs. That meant he would use 39.4 gallons of wax for Queen

    asked by alex
  94. math 6th grade

    How to write an equation: Forty percent of a number,y, is 48.

    asked by agnes