Posts by Rayan

Total # Posts: 39

  1. AP Calculus AB

    lim |x-3|/x-3 x-->3^- A) 0 B) -1 C) 1
  2. AP Calculus AB

    Hi. Please help me with the following question: lim x-->1 (x)/(ln(x))
  3. AP Calculus

    Find x. lim (sin(x))^x x-->0
  4. Chemistry

    Consider the reaction below : P4(s) + 5O2(g) P4O10(s) How many grams of phosphorus react with 1.195 x 102 L of oxygen (O2) at STP (standard temperature and pressure) to form tetraphosphorus decaoxide?
  5. physics

    average speed = (3+0)/2 = 1.5 m/s so t = 8/1.5 = 80/15 = 5.33 seconds sliding to a stop then acceleration a = (0-3)/5.33 = -.5625 m/s^2 so now the physics F = m a -m g (mu) = m (-.5625) mu = .5625/9.81 = .0573
  6. Physics

    You are traveling on an airplane. The velocity of the plane with respect to the air is 140 m/s due east. The velocity of the air with respect to the ground is 34 m/s at an angle of 30° west of due north. 1)What is the speed of the plane with respect to the ground? 2)What ...
  7. AP Calculus AB

    Suppose f(x)= x^5 - 10 and let h(x) be the inverse of f. Find h'(22).
  8. AP Calculus 12

    Yes that was the question. Sorry I messed up the structure. Thanks for your help!
  9. AP Calculus 12

    Please help me with this question: lim __1_-_cosx__ x-0 sinx Thank you!
  10. Math

    Please show me how to factor X^3 + 125
  11. Pre-Calculus 12

    Thank you!
  12. Pre-Calculus 12

    Solve using logarithm: 2^(4x+1)=3^x
  13. Physics

    What is the mass of the meterstick shown in the figure (Hint: 25% of the meterstick’s mass is to the left of the fulcrum and 75% is to the right)?
  14. Math

    oops!
  15. Math

    3/8 made it across (1/2)*(3/4)
  16. Physics 11

    Thanks!
  17. Physics 11

    A businesswoman is applying a force of 12.0 N [upwards] to carry her briefcase for a horizontal distance of 200.0 m. How much work is she doing on the briefcase?
  18. Chemistry

    which compound shows small change in solubility from 0°C to 100°C?
  19. Physics

    why are you multiplying by 1/2
  20. Physics

    A police car stopped at a set of lights has a speeder pass it at 100 km/h. If the police car can accelerate at 3.6 m/s^2, how long does it take to catch the speeder?
  21. riddle

    Clothes this because when it is dirty is old but when it is has been wash it's become new
  22. Physics

    an empty rd bottle weighs 60 grams but weighs 120 gram when completely filled with water when the bottle is completely with an unknown liquid it weighs 90 gram what will be the volume of the rd bottle
  23. Pre-Calculus 11

    I have one more question I tried this question but got the wrong answer... 3-x= √x^2-5 (The square root is over whole x^2-5) My answer was x=2/3
  24. Pre-Calculus 11

    isn't negative not supposed to go inside the cube root
  25. Pre-Calculus 11

    What is the entire radial form of -3* cube root of 2? I go cube root of 54 as my answer but it is wrong
  26. physics

    A white billiard ball with mass mw = 0.1 kg is moving with a speed of v = 0.5 m/s making angle 60 degree and collides with a black billiard ball with the same mass mb = 0.1 kg that is initially at rest. The distance between the black ball and the pocket is 10cm\ friction exist...
  27. Math:Algebra

    (2*87) -l
  28. Math:Algebra

    Maya has 2 times as many apples as Ally if Ally has 87 apples how many apples dose Maya have now? Maya's sister takes some away. Write an algebraic expression that represents the amount of apples they have now?
  29. physical

    an airplane takes off at an angle of 30 to the horizontal. if the component of its velocity along the horizontal is 250 km/h , what is its actual velocity? also find the vertical component.
  30. biology 2

    The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...
  31. Math

    How to make "freyer model" of 437?
  32. chemistry

    how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O
  33. algebra

    Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40
  34. math 3 grader

    Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40
  35. maths

    find out 10 pairs of one digit numbers whose product end with the digit 0?
  36. math

    304
  37. Physics

    Why do you multiply by 1/2?
  38. science grade 9

    how do the products of their decomposition compare
  39. science grade 9

    why are you so smart