Questions Asked on
September 29, 2007

  1. Physic please help!

    The electrons in the beam of a television tube have a kinetic energy of 2.10 10-15 J. Initially, the electrons move horizontally from west to east. The vertical component of the earth's magnetic field points down, toward the surface of the earth, and has a

    asked by Mary
  2. mathematics

    The Pythagorean masculine marriage number?

    asked by Matt
  3. Please help!

    The following data describe the binding of oxygen to human myoglobin at 37oC. P02 (mm Hg) = 0.5 1 2 3 4 Theta = .161 .277 .434 .535 .605 P02 (mm Hg) = 6 8 12 20 Theta = .697 .754 .821 .885 From these data, estimate: a). P50 b) the fraction saturation of

    asked by Gulzaman
  4. Bio (why no one is helpting?)

    Measurements of oxygen binding by whole human blood, at 37oC, at pH 7.4, and in the presence of 40mm of CO2 and normal physiological levels of BPG (5 mmol/L of cells), give the following: PO2 (mm Hg) = 10.6, 19.5, 27.4, 37.5, 50.4, 77.3, 92.3 % saturation

    asked by Gulzaman
  5. science (physics) Need to solve this today please

    (a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and

    asked by ~christina~
  6. science

    I am currently learning about skeletal system and I had trouble filling in some of the blanks. The ________________ consists of bones running along the medial part of the body. I said axial skeleton, but I am not sure. The ________ consists of bones

    asked by Anonymous
  7. Math

    How do you figure percentages? Question: If a factory worker is supposed to produce 1000 units an hour but only produces 568 units, what percentage did the worker produce? How do you figure this?

    asked by Tim
  8. mathematics

    A number that is neither prime nor the sum of two distinct primes?

    asked by Matt
  9. Chem drawing

    how would I draw this compound? 2-bromo-6-chloro-4,4-dimethylheptane I've tried it again and again but I can't seem to get the Cl on the 6th carbon while still having a 6 carbon chain of heptane I drew it so that it was CH3 CBr CH2 CCH3CH3 CH2 Cl I just

    asked by ~christina~
  10. Intermediate Algebra

    Combine like terms: -3x^2+2x-4x^2-9+6x-2x^2+8 Solve for x: 8x-11= -11x+18 Solve for x: -2(x-5)+7=z-8-5x Solve for x: (x-2)/5 - 3/2= (x+1)/10 Translate to an algebra statement; do not solve: Seven times the difference of six and a twice a number yields the

    asked by Dawn
  11. mathematics

    The largest integer that is not the sum of two ot more different primes?

    asked by Matt
  12. Human Resource Paper

    I don't know if anyone could be could someone proof read my paper? Executive Summary The position of financial manager is to coordinate financial activities of workers in a branch, or department of the bank, such as brokerage, risk management, or credit

    asked by Anonymous
  13. physics

    I need help coming up a source of error for this like lab thing that we are doing class. So like we took this string with a rubber ball on it and the string went through a glass tube, and on the end of the string, so the like opposite end of where the ball

    asked by Wilson
  14. Science (Physics)...........F=ma and tension.

    2 crates shown in the figure below are on a horizontal frictionless surface. The woman is wearing golf shoes for traction as she applies a horizontal force of F= 50.0 N to the 6.00kg crate. The ropes are of negligible mass. Smaller box weighs 4.00kg a)

    asked by ~christina~
  15. Physics repost

    A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields.

    asked by Mary
  16. Please help!!!!Accounting

    . Leng Xiong is unable to reconcile the bank balance at January 31. Leng’s reconciliation is shown here. Cash balance per bank $3,660.20 Add: NSF check 370.00 Less: Bank service charge 25.00 Adjusted balance per bank $4,005.20 Cash balance per books

    asked by Pedro
  17. math

    On the blueprint of Lauren's new office building, the scale is 3 in. equals 8 ft. What will be the actual length of Lauren's office if it measures 6 in. long on the blueprint?

    asked by Anonymous
  18. Physics

    A Block weighing 72.2 N rests on a plane inclined at 20.0 deg. to the horizontal. The coefficients of static and kinetic friction are 0.22 and 0.12 resp. What is the minimum magnitude of F that will start the block moving up the plane? (I also got 9,74 N

    asked by Lily
  19. Algebra 1

    solve for x and check you result -4(2x-3)=-8+5

    asked by lewis
  20. AP Chemistry

    When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

    asked by Eddie
  21. mathematics

    A number n where if the sum of dights of the number of the number is divisible by n, then the number itself is divisible by n?

    asked by Jet
  22. mathematics

    The two-dight number that is divisible by both the sum and the product of its dights?

    asked by Jet
  23. science

    Are omnivores such as toads, sandhill cranes, and woodchucks primary or secondary consumers and how do you know? Thanks!

    asked by Mia
  24. chemistry

    A starship is crusing the interstellar with a velocity of 2174.799173 miles per second. How far would the starship have traveled in 2 years, 9 days and 4.50 hours? I've spent several hours on this problem and still I cannot come up with the correct answer.

    asked by pat
  25. Social Studies

    What are the five themes of geography for Africa?

    asked by Haley
  26. Chemistry

    When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

    asked by Eddie
  27. History/Literature

    Is The Assemblywomen (Ecclesiazusae) by Aristophanes a proto-feminist play arguing on behalf of women's competence and intelligence and men's stupidity and vices? Or are there underlying misogynistic, sexist assumptions on Aristophanes part?

    asked by Seymour
  28. help please

    What are some common types of fallacies in regards to listening that lead to miscommunication?

    asked by dawn
  29. art

    what is 2 point perspective? Is it drawing an object that has an agle facing straight outwards?

    asked by margot
  30. math

    The Randolph’s used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was used during each month? I can solve the problem but I need to figure out the

    asked by Millah
  31. biology

    We recently performed a yeast fermentation lab in class to determine the effects of different sugars (sucrose, lactose and dextrose) on the rate of fermentation. I am writing up my lab report, however I am having some difficulties. If sucrose and lactose

    asked by Melissa
  32. Geometry

    The intersection of two planes

    asked by Anonymous
  33. math

    M is the midpoint of segment AB. Find the coordinates of B given A(-1,4) and M(3,-2).

    asked by Anonymous
  34. math

    Janice has a 6% commission rate on all her sales. If she sells $80,000 worth of merchandise in 1 month, what commission will she earn?

    asked by Anonymous
  35. Algebra

    Deduce this game of cows and bulls: Guess cows bulls 245 2 ___ 354 2 ___ 423 2 ___

    asked by Bobby
  36. Math

    There are 8 people on one side of a river. They have a raft to help them get to the other side. There is a father and his two sons, a mother and her two daughters, a policeman and a thief. Everyone must cross the river, but you must follow the rules: *

    asked by Bo
  37. math

    Rose’s garden is in the shape of a trapezoid. If the height of the trapezoid is 16 m, one base is 20 m, and the area is 224 m2, find the length of the other base. How do I set up this problem so I can solve it? Thank you!

    asked by Millah
  38. grammar

    Our plans for tomorrow should begin today.

    asked by Anonymous
  39. calendar

    The number of months in the Julian calendar?

    asked by Matt
  40. algebra 2

    help multiply (x/3+3/4)(3x/4-3/5)

    asked by cynthia
  41. mathematics

    The larger number of the fourth set of twin primes?

    asked by Matt
  42. journalism

    what is a inverted pyramed?

    asked by bob
  43. mathematics

    The largest integer that is not the sum of two or more different primes?

    asked by Jet
  44. math

    [(x-9)/(x^2-9)]-[(1)/(x+3)] I got (6-x)/(x+3) for answer. [(2)/(y-3)]+[£¨4£©/(3-y)] I got (-2)/(y-3) for answer. I'm not sure about the answers, please check them for me and correct me! THANKS A LOT!

    asked by ajo
  45. math

    What does mutually exclusive mean? Can anyone give me an example?

    asked by Ray
  46. mathematics

    One of the four number where n! has n dights! ???????????

    asked by Jet
  47. Math repost for jet

    Posted by Jet on Saturday, September 29, 2007 at 2:01pm. The least number of moves in the Tower of Hanoi puzzle with 5 disks?

    asked by Writeacher
  48. math

    Find the unit price for the item: $35.80 for 4 caps.

    asked by Anonymous
  49. Help!!!!!

    The least number of moves in the Tower of Hanoi puzzle with 5 disks?

    asked by Jet
  50. math

    The number of faces of an icosahedro or the number of verrices of a dodecahedro?

    asked by Jet
  51. biology

    What exactly is holistic biology and what are some examples of it? Thank you.

    asked by Fred
  52. Algebra

    find the postitive solution for c: c^2=o.6^2+0.8^2

    asked by Bobby
  53. Mechanics

    How do you dereive equilibrium equations for a 2-D pi/3 section of a circle in polar coords? There are stresses & shears. (Eight total, one stress & one shear on each side)

    asked by Brian
  54. math

    The largest integer that is not the sum of two or more different primes?

    asked by Jet
  55. chemistry

    I have two problems that I'm stumped on. I know the correct anwers but I'm having problems coming up with the co rrect anwsers. Here are the problems: 1) Magnesium has a density of 1.7g/cm^3 and iron has density of 7.9 g/cm^3. A block of iron has a mass of

    asked by pat
  56. math

    [(x-9)/(x^2-9)]-[(1)/(x+3)] I got (6-x)/(x+3) for answer. [(2)/(y-3)]+[£¨4£©/(3-y)] I got (-2)/(y-3) for answer. I'm not sure about the answers, please check them for me and correct me! THANKS A LOT!

    asked by ajo
  57. History

    What were the 5 problems that affected Canadian soliers after WW1?

    asked by Alyssa
  58. english

    do these sentences make sense: we had to wean him off of seafood because we found out he was allergic to shellfish. the team groused at frank for having to run 8 laps around the field.

    asked by jel