Questions Asked on
August 16, 2018

  1. ap physics help please

    In the methane molecule, CH4, each hydrogen atom is at a corner of a regular tetrahedron with the carbon atom at the center. In coordinates for which one of the C-H bonds is in the direction of i + j + k, an adjacent C-H bond is in the i - j - k direction.

    asked by tyger2020
  2. HISTORY

    What led North Korea to become a Communist country? It was the Korean Revolution’s overthrow of the Republic of Korea. It was the invasion and occupation of North Korea by the Soviet Union during World War II. It was the puppet government of Puyi

    asked by Anonymous
  3. history

    Why did some of Roosevelt’s New Deal programs and agencies experience strong legal opposition? a. Farmers felt that they were unfairly targeted by subsidies. b. Labor unions opposed the restrictions imposed on them. c. People believed the federal

    asked by Cali
  4. Math

    Find the derivative of the following functions using first principles. a) f(x)= x^2 + 5^x

    asked by Anonymous
  5. physics

    The efficiency of a machine is 75%.If this machine raises a load of 150kg through a vertical height of 20cm,Calculate the workdone by labourer using the machine

    asked by Taiwo
  6. life orientation

    causes of crime

    asked by kay geez
  7. Science

    How many grams of h2so4 are needed to neutralize completely 10 litre of ammonia gas at ntp

    asked by Jyoti Thakur
  8. Geometry

    Which of the following must be true about a perpendicular bisector and the segment it bisects? a. the perpendicular bisector and the segment bisect each other b. the angle of intersection depends on the length of the line segment c. the perpendicular

    asked by Anonymous
  9. science

    Layers of shell or coral sand and mud form limestone

    asked by Camaria
  10. Math

    For her book club, Sharon reads for 45 minutes each day. Write an expressions for the number of hours she reads in d days. Can you please explain how to get the answer like the process?

    asked by Nathaly
  11. Agric

    What is agricultural packaging

    asked by Akinsanmi Shadrach
  12. Math

    tim has an after school delivery service that he provides for several small retailers in town. he uses his bicycle and charges $1.25 for a delivery made within 1 1/2 miles, $1.70 for a delivery of at least 1 1/2 miles but less than 1 3/4 miles. $2.15 for a

    asked by Leyla
  13. Accounts

    The business incurred an expense and paid it immediately. To record this __________. Question 39 options: an expense is debited and a liability is credited an expense is debited and an asset is credited an expense is debited and Capital is credited None of

    asked by Angela
  14. Chemistry

    Calculate the relative mass of (ii) trixonitrate

    asked by Fortune
  15. math (pre cal)

    find the domain and range of y=|5x^3+8|-2

    asked by christine
  16. Physics

    A camera with a telephoto lens of focal length 125mm takes a picture of a 1.8m tall woman standing 5.0m away. (1). What must be the distance between the film and the lens to get a properly focused picture? (2). What is the magnification of the image (3).

    asked by Evans
  17. Accounts

    Which of the following errors would cause the trial balance to be out of balance? An entry is posted twice. An entry is not posted at all. A debit is entered as $200 and the credit is entered at $2,000. None of the above answers are correct. D

    asked by Angela
  18. Hayden

    1. The hula dancer’s arms and hands were _____. a. Protracted b. transient c. undulating d. static 2. For the _____ of the semester, you should be prepared for homework three days each week. a. Duration b. fraction c. integer d. uniform 3. This recipe is

    asked by English
  19. English

    This question is about Shakespeare's "Othello." Any help would be appreciated, thank you in advanced. The handkerchief is a key motif throughout “Othello" Why do you think Cassio wants Bianca to replicate it? So, what I got from this and the book was

    asked by anonymous
  20. Physics

    Determine the resolving power of a telescope,if the objective of a telescope has a diameter of 300mm.The mean wavelength of the light from Stars is 6*10^-7m.

    asked by Evans
  21. science

    can a food chain have a quaternary consumer without having secondary or tertiary consumer

    asked by JANET
  22. math

    Which of the following is true about the bisectors of a segment in a plane? a. every segment has exactly on bisector **** b. every segment has exactly two bisectors c. every segment has 10 bisectors d. every segment has infinitely many bisectors

    asked by Anonymous
  23. Physics

    An observer traveling with a constant velocity of 20m/s passes close to a stationary source of sound and noticed that there is a change of frequency of 50Hz as he passes the source.What is the frequency of the source? (Speed of sound in air=340 m/s)

    asked by Kenry
  24. Accounts

    A debit to a liability account was posted to the capital account. This error would cause __________. options: assets to be overstated liabilities to be overstated capital to be overstated None of the above answers are correct. C

    asked by Angela
  25. Physics

    1. A fruit drops from the top of a tree 20m tall, the time it takes the fruit to reach the ground level is?

    asked by Amina
  26. Science

    Two balls of equal masses roll with velocities v and 4v,respectively .What is the ratio of their Kinetic Energies?

    asked by Aman
  27. math

    please guys help me this question, how to solve it. Calculate the total surface area of a hollow cylinder whose radius is 15 cm and height is 20 cm.

    asked by kelvin
  28. mathematics

    A school has enough food to last 90 pupils for 7 days .If 10 more pupils come ,how long would the food last?

    asked by Jessica
  29. Physics

    The formula is x = 1/2 at^2 and I have managed to fill in the variables as this. d = 1/2 9.81 m/s^2 1^2 I want to say that my answer is 4.905 but I'm unsure. Can someone check it?

    asked by Student
  30. Accounts

    The journal entry to record a withdrawal by the owner would most commonly include _________ options: a debit to Wage Expense and a credit to Cash a debit to Capital and a credit to Cash a debit to Withdrawals and a credit to Cash a debit to Cash and a

    asked by Angela
  31. Elevation and depression

    From the top of a tower 60m high, two ships are seen in a direction due south. The angle of depression of the ships from the top of the tower are 45degre and 30degree. Find the distance between the ships

    asked by Prince
  32. math

    If the length and breadth of a rectangle are increased by 3m and 2m,respectively the area would increase by 52 sq.m.If the length and breadth are decreased by 2m and 3m,respectively the area would decreased by 43sq.m.Find the length and breadth of the

    asked by arya
  33. Calculus

    A 12m tall antenna sits on top of a building. A person is standing some distance away from the building. If the angle of elevation between the person and the top of the antenna is 60°, and the angle of elevation between the person and the top of the

    asked by Anonymous
  34. Physics

    An isotropic point source has an intensity of 300Cd. Calculate the amount of luminous flux emitted by the source.

    asked by Evans
  35. Career guidance

    So which career I qualified for if I passed them with level 3

    asked by Anonymous
  36. Science

    How much carbon dioxide is produced on heating of 1kg of carbon

    asked by Milind chavan
  37. math

    please guys help me this question, how to solve it. Calculate the total surface area of a hollow cylinder whose radius is 15 cm and height is 20 cm. (a)3297 cm^2 (b)1884 cm^2 (c) 3768 cm^2 State why you choose a,b or c?

    asked by kelvin
  38. english

    The Dying Christian to His Soul Ron Pope Vital spark of heav'nly flame! Quit, O quit this mortal frame: Trembling, hoping, ling'ring, flying, O the pain, the bliss of dying! Cease, fond Nature, cease thy strife, And let me languish into life. Hark! they

    asked by anna
  39. math

    please guys help me this question, how to solve it. Calculate the total surface area of a hollow cylinder whose radius is 15 cm and height is 20 cm. What formula can be applied between (a) SA = 2pie*r*h + 2pie*r^2 (b)SA = 2pie*r*h State the reason why you

    asked by kelvin
  40. Geometry - not Geography

    A line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment. A. 1.5 B. -1.5 C. 2 D. -3 2. Find the coordinates of the midpoint ~hx(line over hx) given that H(-1,3) and X(7,-1). A. (3,1) B. (0,4) C.

    asked by Connections Academy Sophomore
  41. Math

    Q. What is the value of 4(2sq) - 2 (3 x 5 + 1) A. 8 B. 1 C. -16 D. - 21 I don't understand what exactly I'm doing wrong, I went ahead and put everything in the parenthesis 3 x 5 = 15 + 1 = 16 went back to 4(sq2) which equals 16 then - 2 which would be 14.

    asked by Cosmic