Questions Asked on
February 17, 2018

  1. history

    how did the assassination of Archduke Franz Ferinand lead to World War 1? a. it ended possible peace talks between serbia and austria-hungary b. bismarck’s scheme of secret against serbia provoked the assassination and then the war c. it allowed russia

  2. history

    what impact did world war 1 have on russia? a. russias high casualty rate led czar nicholas to abandon the war effort to save civilians lives b. russias shattetrf economy forced the sale of territory to finacne its war efforts on the estern front c.

  3. maths

    iam a 3 digit number. my tens digit is five more than my ones digit. my hundreds digit is eight less than my tens. what number am i?

  4. calculus

    The total cost (in dollars) of producing x college textbooks is C(x) = 50x+ 11,000 What is the fixed cost? 11,000 What is the marginal cost? What is the total cost of producing 700 books? 34,000 books? What is the average cost when 700 books are produced?

  5. physics

    The position of a particle moving along the x axis is given by x = (21 + 22t − 6t^2)m, where t is in s. What is the average velocity during the time interval t = 1s to t = 3s?

  6. math

    The position vectors A and B with respect to the origin O,(-8,5) are (12,-5)and respectively. Point M is the midpoint of AB and N is the midpoint of OA. (a) Find: (i) The coordinates of N and M; (ii) The magnitude of NM, (b) Express vector NM in term OB.

  7. science (physics)

    State gauss's theorem draw a graph showing the variation of electric field, as one moves from the centre of charge metal ball to a point on its surface and then to a far off outside point

  8. History

    What does it mean to have natural inalienable, sacred rights? Does it mean to have rights that they are born with, can't ever be taken away, and don't change overtime?

  9. calculus

    Find the interval on which the curve of y= the integral from 0 to x of 2/(1+3t+t^2)dt is concave up. Can someone please explain? I'm so confused about how to find the answer, all I know is if the 2nd derivative is positive then it's concave up.

  10. physics

    Determine the x and y components of the following three vectors in the xy plane. 1) A 19-m/s velocity vector that makes an angle of 40° counterclockwise from the -x direction. x: 2) y: Explain please!

  11. Chemistry

    Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93 g/cm^3.

  12. Physics

    A woman stands on a scale in a moving elevator. Her mass is 60.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force

  13. Physics

    A student is skateboarding down a ramp that is 5.9 m long and inclined at 14° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 2.5 m/s. Neglect friction and find the speed at the bottom of the ramp.

  14. physics

    You spot a plane that is 1.63 km north, 2.3 km east, and at an altitude 5.2 km above your position. 1) At what angle from due north (in the horizontal plane) are you looking? ( ) °E of N 2) Determine the plane's position vector (from your location) in

  15. physics

    A rock is thrown downward from an unknown height above the ground with an initial speed of 10m/s. It strikes the ground 3s later. Determine the initial height of the rock above the ground.

  16. Physics

    Can someone help me with the formula of horsepower? In my lesson, it shows me how power = ft*lb/s... but then it kinda stops and doesn't tell me how to find hp from this. I tried searching online but I'm still confused. There's something about watts and

  17. PHYSICS

    I'm having some trouble with a problem on my physics pre-exam, if there is any formula please let me know so i can do a bit of research on it. any help is greatly appreciated in advance. The inner membrane of a cell membrane is negative relative to the

  18. Chemistry

    Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93 g/cm^3.

  19. History

    A common contribution is essential or the maintenance of public forces for the cost of administration. This should be equitable distributed among all citizens in proportion of their means. -Declaration of the Rights of Man (article 13) Is this the duty of

  20. physics

    A ball thrown vertically from ground level is caught 3s later when it is at its highest point by a person on a balcony which is 14 m above the ground. Determine the initial speed of the ball

  21. Maths

    If I have rs 100 and I spent all 100 r.s. then money left is r.s.102 then were extra 2 r.s. came.give reason??

  22. Literature

    Odysseus uses is cleverness to advance the plot in all of the following events except ____ . a. he lies about his name to the Cyclops b. he enters the archery contest c. he asks Circe's advice d. he escapes the Sirens

  23. Math

    The growth of a colony of 800 bacteria can be modelled by N=800(2)^t/3 in which N is the number of bacteria after t hours how many bacteria are present after 12.7 hours

  24. physic

    I don't understand this question at all. If you want to see the figure, let me know The figure below is a scaled representation of a planet's orbit with a semimajor axis of 1.528 AU. (Use the exact values you enter in previous answer(s) to make later

  25. Math

    Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old is Christian?

  26. Algebra

    Christian is 3 times as old as Marie. Marie is 12 years younger than Christian. How old is Christian?

  27. Physic 101

    in suv of which the total mass is 800 kg is travelling with an initial velocity of 200m/s suddenly observe a stationary dog 50m ahead along its path if the driver exerts a break of 2000N,what would happen?

  28. german

    Er ___ den Rasen. A. lest B. liest C. seht D. mäht Wir ___ spazieren. A. gehen B. lesen C. haben D. besuchen Sie ___ Rad. A. liest B. fährt C. fahrt D. lest ___ du sechzehn? A. Sind B. Bist C. Seid D. Bin

  29. science (physics)

    What is a Gaussian surface?A point charge of 2.0mueC at the centre of a cubic Gaussian surface 9.0cm on edge.What is the net electric flux through the surface?

  30. math please help help help

    Juanita covered the outside of a gift box shaped like a rectangular prism with paper. The box is 3.2 feet long, 2.1 feet wide, and 2.7 feet high. Which of the following is closest to the total surface area of this box? a)34ft b)42ft c)30 d)18

  31. Physics

    The first leg of a relay race is semi circle of diameter 50m. If the runner covers the distance in 11s.calculate the average speed”

  32. Chemistry - Chemical Equilibrium

  33. Algebra 1

    If two dice are rolled, what is the probability that their sum will be a number greater than 5? [A] 1/6 [B] 1/3 [C] 13/18 [D] 5/6 [E] None of these I think it's [C], but that's just a wild guess.

  34. biotechnology

    uses of animal nutrition in biotechnology for cattle

  35. physical science

    What is the kinetic energy of a 2,710 kg car that is traveling at 66.0 km/h?

  36. Language Arts

    Can someone check my answers? The book is The Trouble With Television by Robert MacNeil 1. MacNeil asks, "When before in human history has so much humanity collectively surrendered so much if its leisure to one toy, one mass diversion" What is this

  37. algebra

    For the following question, please reference the graphic at: screenshotsfirefoxcom/cjbaIYetsJhJJimy/ds055uzetaobbcloudfrontnet Pictured is the graph of the equation 4x²=y(1-y)(2-y)² rotated around the y-axis. Find the volume of the egg.

  38. math

    A nurse must give 1 12 milligram of a drug for each kilogram of patient weight. If Mr. Krisanda weighs​ (or has a mass​ of) 60 ​kilograms, find the amount of the drug Mr. Krisanda should be given.

  39. science

    How much work is done in raising a 16.1 kg backpack from the floor to a shelf 1.82 m above the floor?

  40. logical reasoning

    You are asked to guess an integer between 1 and N inclusive. Each time you make a guess, you are told either: (a) you are too high, (b) you are too low, or (c) you got it! You can guess as many times as you like, but are only allowed to guess too high 10

  41. Math - binomial

    Find the indicated terms in the expansion of the given binomial. The first three terms in the expansion of (x+1/x)^40 first term second term third term