Questions Asked on
March 23, 2008

  1. English expression

    1. He is of medium height. 2. He is of average weight. 3. He has medium height. 4. He has average weight. 5. He has long curved hair. 6. She has short straight blond hair. 7. She has medium-length wavy blonde hair ----------------------------------- Are

    asked by John
  2. alegebra

    Solve the system of equations by graphing. Then classift the system as consistent or inconsistent and the equations as dependent or independent. 3x-y=14 3x+4y=-26 What is the solution of the system of equations? Type an ordered pair.N for no solution R for

    asked by anaya
  3. Egypt

    What was the material used to plug the eye sockets of a mummy?

    asked by Anonymous
  4. algebra

    solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. x+y=14 x-y=2 What is the solution of the system of equations?

    asked by anaya
  5. Physics-Gauss' Law, hard

    Thank you Damon for answering my first questions fast and accurately. Do you or anybody else know how to do these harder Gauss' Law Problems? 1. A solid metal sphere of radius R has charge +2Q. A hollow spherical shell of radius 3R placed concentric with

    asked by Bobby
  6. PHYSICS!!!

    A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.

    asked by Karen
  7. chemistry

    consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7

    asked by timathy
  8. American Lit => Ms.Sue (Poetry analysis help)

    Poem "for rosa parks" And how was this soft-voiced woman to know that this was "No" in answer to the command to rise would signal the begining of the time of walking Soft the word like the closing of some aweful book, a too-long story with no pauses for

    asked by ~christina~
  9. Science

    Hi i have a science exam on tuesday and really need some help to see if what im doing is right. The question is - How many electrons, protons and neutrons are in the following: a) Br1- b) Be2+ c) Ne d) P1- e) Fe AND MY ANSWERS ARE: a)35 electrons 35

    asked by Jess D
  10. trig

    2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the equation. But do I eliminate cos(x), like this... 2sin(x)cos(x)+cos(x)=0 2sin(x)cos(x)= -cos(x) 2sin(x) = -1 sin(x) = -1/2 at 4pi/3

    asked by Alex
  11. physics

    A charge of -2q is placed a distance r from the origin and a charge of +2q is placed a distance 2r from the origin. What is the amount of work needed to move a charge of q to the origin from infinity? I don't get the question. And please explain to me how

    asked by Shelly
  12. Math

    I seem to be having problems setting up Linear Programming questions. For example: Kustom Kars does van conversions. The Custom conversion required 15 hours of shop time, 8 hours of painting time, and 1 hour of inspection time. The Deluxe conversion

    asked by Matt
  13. alegebra

    solve the system of equations by graphing. then classify the system as consistent or inconsistent and the equations as dependent or independent. 3u+v=13 3u=v+29 What is the solution of the system of equations?

    asked by anaya
  14. Need your help!!!! Plzzzz (literacy)

    I was ask by my literacy professor to find a sample unit plan that focuses on animals that live in the water/oceans/seas. The unit should include what the animals eat? How they survive underwater? How they move underwater? (amoung other things) She also

    asked by Ashley
  15. chemistry

    Sulphuryl chloride, SO2Cl2, decomposes according to the following first-order reaction: SO2Cl2(g) ¨ SO2(g) + Cl2(g) At a certain temperature, it is observed that it takes 147 minutes for 23.0% of the sulphuryl chloride to react. Calculate the half-life

    asked by matt
  16. AP Biology

    Just wondering: why the Calvin Cycle can occur in the dark, but indirectly relies on sunlight? Thank you for your explanation.

    asked by Person
  17. chemistry

    A reaction rate increases by 60.3% when the temperature is increased from 21.5 to 35.6°C. Calculate the activation energy (in kJ/mol) for the reaction.

    asked by matt
  18. chem

    mass of mg- .28 mass of o- .41 calculate the moles of mg and o what is the simples whole number ratio of the moles of mg to the moles of o? round off to the nearest whole number ratio. use this mole ratio to write the empirical formula. the molecular mass

    asked by ashley
  19. algebra-word problem

    Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA

    asked by jen
  20. algebra word prob. - one more

    The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number? TIA

    asked by jen
  21. Math- Double check

    Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650

    asked by Kim
  22. physics!!!!!

    A small spherical insulator of mass 8.00*10^-2kg and charge +6.00*10^-7C is hung by a thin wire of negligible mass. A charge of -9.00*10^-7C is held 0.450m away from the sphere and directly to the right of it, so the wire makes an angle with the vertical.

    asked by Donna
  23. English

    I am in the 7th grade and I love books that are fiction. Here are some books that I LOVE!! Kira Kira So B. It Olive's Ocean Becoming Naomi Leon Corner of the Universe Green Glass Sea Edward's eyes The problem is I need a new book to do a book report on and

    asked by Taylor
  24. Math- Please check

    Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

    asked by Sherri
  25. AP Biology

    With regards to photosynthesis, if the following problems occurred, how would photosynthesis be affected? 1.) a.) NADP+ is not present in the thylakoid space b.) CO2 is not available to the plant Thanks

    asked by Ryan
  26. Physical Science

    Hello, I need some help with the following question. Thank You To use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your ? A.thumb in the direction of the magnetic

    asked by Mandi
  27. History

    During which battle did Guru Gobind Singh Ji say, "sava lakh se ek laraoon, tabe Gobind Singh naam kahaoon"?

    asked by Lena
  28. economics

    hey i have a few questions i have no idea how to do them and the test is tuesday if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?

    asked by gabriella
  29. Science

    there is a general relationship between the zones used by the ancient Greeks (torrid, temperate, and frigid) and the modern zones we recognize (tropical hot, tropical dry, midlatitude mild, midlatitude severe, polar......The question i have is how do the

    asked by kacey
  30. math

    in a triangle BCA there are three medians b,c,a. Prove that 3(A^2+B^2+C^2)=4(a^2+b^2+c^2) (sides) = (medians)

    asked by POD
  31. Maths/Physics

    Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road

    asked by leo
  32. LCD

    I need a reveiw on how to use the LCD least common denominator to add and subtract

    asked by ALi
  33. Biology

    I was wondering if someone could please explain this to me (please don't give me links to websites, I already have a thousand saved under my favourites, I just don't understand how to find my answer from the information the websites have provided).

    asked by Needs a bio teacher
  34. Spanish for Jennifer

    Be sure you find my answers to your exercises as it's now on page 2 and could be page 3 by the time you look! Sra

    asked by SraJMcGin
  35. alegebra

    solve the sytem of equation by graphing. Then classify the system as consistent or inconsistent and the equation as dependent or independent. y=-x-11 3x-2y=2 what is the solution of the system of equation.,

    asked by anaya
  36. AP Statistics

    Commercials Suppose that a commercial is run once on television, once on the radio, and once in a newspaper. The advertising agency believes that any potential consumer has a 20% chance of seeing the add on television, a 20% chance of hearing it on the

    asked by Lyndsey Horton
  37. Math

    Find the decimal equivalent of the mixed number. 8 7/8

    asked by Teri
  38. American Lit for ~christina!

    Look on page 2 of Jiskha message boards for additional information. =)

    asked by Writeacher
  39. physics!!

    A circuit contains a 12V power source, and a 3ohms, 4ohms, and 6ohms, resistor. How should the resistors be arranged for the current through the battery to be 2A? Please help!THANKS!

    asked by Bonnie
  40. algebra 2

    log x= 2.4 i have tried but i just cant get it i missed class that day and my teacher wont explain.

    asked by kelly
  41. math

    12 ln x=44

    asked by ash
  42. calculus

    how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.

    asked by Lacey
  43. Chemistry

    Can someone please explain to me whats the difference between a buffered and non-buffered solution?

    asked by Raj
  44. Spanish

    How do you conjuate -ar -er and -ir verb?

    asked by Amanda
  45. Physical Science

    Hello, Can some one please tell me if I have the correct answer? Thank You my answer: D In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the? A.anode B.cathode C.deflecting plate D.grid

    asked by Mandi
  46. Physics

    Why are interference colors more apparant for thin films than for thick films?

    asked by Trey
  47. Velocity

    Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road

    asked by leo
  48. Physics

    what is the amount of gravity im m/s on each planet in the solar system. I need to know by Wednesday. Thanks

    asked by Rebecca
  49. geometery

    give the slope of x=2y=7

    asked by jonnlyn
  50. math

    How do I do the LCM?

    asked by Jake
  51. Happy Easter

    I just wanted to say Happy Easter everyone! And if you don't celebrate Easter, then Happy Sunday to you.

    asked by Leo (Jiskha Homework Help)
  52. physics

    Find the length of string and speed of wave in string if frequency of given wave is 850 hz and the wavelength is 0.26m? The string is in a tube that is closed at both ends. I found the speed using v=freqeuncy*wavelength. How do i find the length of the

    asked by shan
  53. Calculus - Integrals

    I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.

    asked by David
  54. physics

    A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.

    asked by Karen
  55. Career

    what website can i go create an resume and coverletter?

    asked by Bryan
  56. Math- Please check

    Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

    asked by Sherri
  57. deutsch

    brauche hilfe dringend!!! hab drei fragen und suche scon seit eine woche die antworten aber ich kann einfach nichts finden!! 1.Bürgerliche scheinmoral als thema der jahrhundertswebde 2.Moralfragen im Stück der gute mensch von sezuan 3.Gerichtsszenen bei

    asked by bill
  58. Biology

    Can someone please help me ! i don't know how to read a gel electrophoresis. thank you

    asked by Rachel
  59. calculus

    I have three questions I'm having a terrible time with: 1)Find, if possible, the absolute maximum value and where it occurs for f(x)=ln(xe^-x) on (0,infinity). 2)Find the value(s) of "c" guaranteed by the Mean Value Theorem for the function f(x)=ln(x^2) on

    asked by Chelsea
  60. physics

    Drift velocity is best defined as a. the relationship between current and current density b. the number of mobile electrons per volume c. the number of mobile electrons per length d. the flux of the current density through a given area e. the average speed

    asked by Libby
  61. psycology

    what is the role glutamate

    asked by amber
  62. trig

    Am I right on this? 2sec^2(2x)-8=0 2sec^2(2x)=8 divide by 2 sec^2(2x)=4 find square root sec(2x)=2 Now, would this simply be asking me to find where secant is equal to one? Or is there no solution because secan't (pun intended) be equal to anything above

    asked by Alex
  63. Math

    Arrange in order from smallest to largest. 3.07, 3.0712, 3.078, 3.0717, 3.072, 3.071

    asked by Teri
  64. Math

    You are making rectangular posters 24 in. by 15 in. How many square feet of material will you need for 6 posters?

    asked by Teri
  65. math

    6xsquared +7x-3

    asked by chloe
  66. book discussions

    In general, what are some "must ask" questions when holding a discussion about a book?

    asked by Anonymous
  67. AP Biology

    Why is RuBP Regeneration important to photosynthesis?

    asked by Pie
  68. Physical Science

    Hello, Can someone tell me if I have the correct answer? Thank You my answer: B A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total

    asked by Mandi
  69. Physics (mirrors)

    If a virtual image occurs at 20cm "behind" a concave mirror, would u put a screen 20cm before the mirror to obtain the clearest possible image? if not, where?

    asked by Mikal
  70. Adiabatic rates(Geography)

    Given a lapse rate of 3 degrees C/1000 meters and a temp of 20 degrees C at 0 meters: A.What is the air sitting at 3,000 meters elevation?___degrees C B.If a sample of air were lifted from 0 meters to 3,000 meters elevation, what would its new temp

    asked by Sarah
  71. biology

    chemical reactions that require the presence of oxygen

    asked by joe
  72. homework

    if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?

    asked by gabriella
  73. lesson planning

    Where could I find a sample unit that focuses on animals that live in water?

    asked by Ashley
  74. Unit planning

    Where could I find a sample unit that focuses on animals that live in water? The unit should have a literacy focus

    asked by Ashley
  75. Math

    Gasoline is about $2 per gallon. You use about gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

    asked by Teri
  76. Physics-Gauss' Law

    1. If a surface is a 10 meter by 10 meter plane lying in the y-z plane, what is the vector representing the area of the plane? 2. If a sphere of radius 2 meters is placed in a uniform electric field of 3 N/C, what is the net flux through the sphere? 3.

    asked by Bobby
  77. Math

    The interest rate on a second mortgage was 8 3/4%last month. This month the interest rate is 11 1/8%. How many percentage points has the interest rate increased?

    asked by Teri
  78. psychology

    what is the role glutamate in memory

    asked by amber
  79. Math

    For the decimal 8.62354: What is the place value of 4?

    asked by Teri
  80. algebra

    What is Algebraic reasoning? How are repeated patterns connected to algebra?

    asked by Ashley
  81. math

    what is 12% of 120?

    asked by josh
  82. Math

    Find the least common multiple of 12, 18, and 30.

    asked by Teri
  83. Math

    Round to the indicated decimal place. 6.949 tenths

    asked by Teri
  84. Math

    The circular surface of a table has a diameter of 7 ft. What will cost to have the top refinished if the company charges $6 per square foot for the refinishing? Use 3.14 for ƒàƒnand round your answer to the nearest cent.

    asked by Teri
  85. biology

    name of Cells that release ACh into the synaptic cleft of a neuromuscular junction? name of Cells that secret the hormone "glucagon" ?

    asked by Anonymous
  86. algebra 2

    log[little 3] (2x-1)=3

    asked by shawn
  87. algebra 2

    log(base 2) (x=2)= log(base 2)x squared

    asked by shawn
  88. Calculus

    I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0

    asked by Jeremy
  89. History

    Can someone provides me a fews website on this topic: Discuss the transformation from agriculture to industrial of United States from 1865 -1940. I using google to search but I couldn't find information about it. Thanks

    asked by Sean
  90. calculus

    This is stupid, but can anyone find the derivative of f(x)=8^(1-2x^2)?

    asked by Alice
  91. Biology

    What is the scientific procedure for making designer babies? What traits can all be chosen for the baby at this point in time? How will designer babies effect the world in the future?

    asked by Ashley
  92. Dr.Bob

    welcome back =) and happy easter too.

    asked by ~christina~
  93. Physics

    The digital desplay of watches and other devices are normally polarized. What related problem can occur when wearing polarized sunglasses?

    asked by Trey
  94. Physics

    How can you determine the polarization axis for a single sheet of Poloroid?

    asked by Trey
  95. Physics

    If you are viewing a hologram and you close one eye, will you still perceive depth? Explain.

    asked by Trey
  96. Sci275

    I have been searching the web, I am supposed to "describe environmental benefits and challenges of urbanization." Do you know where I can look?

    asked by Help PLEASE
  97. Calculus

    Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?

    asked by Jess
  98. AP Biology

    Why is it that the Calvin cycle is able to occur in the dark, but indirectly relies on sunlight? -Can someone give me a brief description?

    asked by Person (Please will a science/biology answer me!
  99. 12 Biology! URGENT!

    How is photosynthesis affected if photosystem I is not functional? No website, or text book seems to be providing me with a proper explanation; I seem to be missing the concepts of the photosystems :(. Thanks to whomever helps me!

    asked by Chase
  100. maths

    1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?

    asked by MTH
  101. physics

    Find the intensity level 10m from a 0.24 watt source of sound energy?

    asked by shan
  102. physics

    you drop a ball over the edge of a 350m high cliff. If T=15 deg celcius when will hear it strike the ground? do i just divide the 350m by the speed of sound in air at 15 deg celcius?

    asked by shan
  103. math

    find distance from (-4,2) to (5,14)

    asked by ellen
  104. math

    give the y-intercept for y=-5x

    asked by Sariea
  105. Biology

    What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space Thanks very much

    asked by Easter Bunny
  106. Photosynthesis

    Does anyone know a good website that breaks down photosynthesis into really easy steps, so it is understandable and quickly learnable, all the while keeping all of the information a grade 12 student would need to know? Thanks, much appreciation! Happy

    asked by He
  107. Physics

    Compare two transmission lines: one at twice the voltage of the second. Which of the two lines is most advantageous to a utility company? How much is the advantage?

    asked by Tim
  108. Repost: Biology!

    What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space

    asked by HELP! PLEASE SOMEONE ANSWER!
  109. Algebra HELP!

    Solve the equation identify as an identity, an inconsistent equation or a conditional. My equation is 1-3/2x+7/4 I know the answer is Conditional {-2}, but I cannot figure out how to get it or even where to start.

    asked by Tim
  110. physics!

    A battery has an emf of 8V and an internal resistance 2ohms. If it is connected to an external circuit that draws 6W of power, what is a possible current in the circuit? Please give me some ideas to do it! THANKS!

    asked by Irena