Most popular questions and responses by wilson
  1. chemistry

    what is the percentage of water in Ba(OH)2 x 8H2O?

    asked on July 8, 2010
  2. Math: Fractions

    A group charters 3 identical buses and occupies 4/5 of the seats. After 1/4 of the passengers leae, the remaining passangers use only 2 of the busses what fraction of the seats on the two buses are now occupied? assume number of seats on all buses is 3x

    asked on October 17, 2008
  3. math

    The first three terms of a geometric sequence are as follows. 64, 32, 16 Find the next two terms of this sequence.

    asked on May 4, 2012
  4. Chemistry

    how many moles of glucose can be burned "biologically" when 10.0 mol of oxygen is available? C6 H12 O6 + 6CO2 -> 6CO2 +6H2O

    asked on January 23, 2015
  5. Accounting

    A $15 credit to Sales was posted as a $150 credit. By what amount is Sales in error? my answer is $135 overstated

    asked on September 21, 2012
  6. maths

    A boy 1.2m tall stands 6m away from the foot of a vertical land pole 4.2m long. If the land is at the top of the pole,(a)represent this information in a diagram (b)calculate the (I)length of the shadow of the boy cast by the land (ii)angle of elevation of

    asked on January 10, 2016
  7. Physics

    A hammer slides down a roof that makes a 40.0 degree angle with the horizontal. What are the magnitudes of the components of the hammer's velocity at the edge of the roof if it is moving at a speed of 4.25m/s?

    asked on November 17, 2011
  8. Chemistry

    What volume of concentrated hydrochloric acid (12.0 M HCl) is required to make 2.0 liters of a 3.0 M HCl solution?

    asked on March 25, 2016
  9. physics

    a stone is thrown horizontally with an initial velocity of 15m/s from a tower 20 meters high. How long does the stone take to reach the ground?

    asked on July 14, 2015
  10. 10 grade chem

    Ok people my daughter myself and my husband have been unable to answer this question so your help would be appreciated. I asked hours ago but no one answered please help. What is the chemical aroma name for: basil, nutmeg and bayleaf thank you fo your

    asked on November 7, 2010
  11. 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 on September 29, 2007
  12. physics

    A horizontal spring has a spring constant k = 23.2 N/m. A 0.165 kg mass is attached to the spring and is free to slide on a frictionless surface. The mass is pulled 26.2 cm from the equilibrium point. What is the speed (m/s) of the mass as it passes the

    asked on February 2, 2014
  13. Science

    The ratio of mass of hydrogen to mass of oxygen in water is 1:4. How much oxygen will there be in 80g of water

    asked on December 6, 2016
  14. Pre-calculus

    Find the correct end behavior for a given polynomial function. 3.36x^4+8x^2+x-9

    asked on January 13, 2013
  15. Physics 2

    A pair of charges exert attractive forces of magnitude 2.4*10^-2 N on each other when they are separated by 2.0 m. The total charge of the pair is +3.0 Micro Coulomb. What is the charge on the object with positive/negative charge?

    asked on September 1, 2011
  16. chemistry

    When 0.712 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 116C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked on May 18, 2009
  17. 6th grade

    A duck is 17 feet below the surface of a lake. The duck begins to head to the surface at a rate of 3 feet per second. Write an expression to describe the duck's position after s seconds?

    asked on November 30, 2010
  18. 6th Grade Science

    I don't understand how living things grow and develop. Can you help me? I have to do a project with pictures but I need to understand what I'm looking for.

    asked on October 19, 2009
  19. Math

    Estimate the velocity of the groundwater flowing from a point 1000 feet from a creek. The point is 30 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to

    asked on March 23, 2009
  20. Literature (Greek)

    Why did Zeus marry Hera if she was his sister?

    asked on September 22, 2017
  21. physics

    A bob of a pendulum 100cm long swings through 20cm,find theta in radian and degree

    asked on February 13, 2016
  22. Chemistry

    Oganic solvents are not suited to be heated with one of the followings: Oil Bath Electric hot plate Water bath Bunsen burner flame 2 Which of the following is not an inflammable liquid ? Water Ethanol Kerosine Benzene 3 These are some safety precausions

    asked on October 23, 2015
  23. physics

    a machine weighing 1500N is supported bt two chains attached to some point on the machine.one of these ropes goes to the eye bolt in the well & is inclined 30 degrees to the horizontal & the other goes to the hook in ceiling & is inclined at 45 degrees to

    asked on March 23, 2013
  24. Physics

    A 0.9 kg block is moving with speed 7 m/s towards a spring that has a spring constant of 1.3 N/m. The block hits the spring and compresses it. a) How far did the block compress the spring?(draw a pie graph also) b) When the block is still moving and the

    asked on March 19, 2013
  25. Physics

    A pendulum is released from some height. When it reaches the bottom of its swing, its speed is 2.5 m/s. What is the initial height of the pendulum?

    asked on March 19, 2013
  26. chemistry

    What are the chemical aroma names for basil, nutmeg and bayleves

    asked on November 7, 2010
  27. Environmental Science

    1. Estimate the velocity of the groundwater flowing from a point 1000 feet from a creek. The point is 30 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater

    asked on March 23, 2009
  28. math

    how? 3x-(4+2x)= what do you want to do? Remove the parenthses. 3x-4+2x combine terms 5x-4.

    asked on March 18, 2007
  29. Algebra


    asked on October 18, 2017
  30. math

    What is the value of the variable cost ? If the break even point is $ 130, the fixed cost is $ 330, selling price per unit is $ 25. (3 marks)

    asked on June 22, 2014
  31. grammar

    I please I need identify each sentece is a complex,exlamation,declarative or interrogative. Oh no! do you wantto play in the garden. in the story,the author told how useful a led can be. she play the piano. I love you. my brother baked a cake last night.

    asked on June 21, 2014
  32. grammar

    Tim likes soup,so Mary bought tomatoes

    asked on June 21, 2014
  33. triganamatry

    how do you find the exact value of sin^-1(-square root of 3 divided by 2)

    asked on February 24, 2014
  34. Math (logs)

    In x = -3 find x. I worked it out like this e^inx= e^-3 then I got x = 1/e^3. Is that correct?

    asked on December 8, 2013
  35. Math

    1. 5(x^2 +2x-6) - 3(2+x-x^2) 2. 2x^4-5x(x^3 -y) + 2y(5x) 3.Factor 2x^5+6x4+4x^3+12x^2 4. Factor 9y^2-18y +8 Please help. Thank you!!

    asked on October 4, 2013
  36. Physics

    A 3.4 kg mass is shot by a sling shot with an initial velocity of 4.5 m/s. When the mass is in the air at a height of 50m, it is still traveling upwards. What is its velocity at that height? Draw energy pie graphs for the initial and final state. (Hint:

    asked on March 19, 2013
  37. Physics

    A 4 kg weight falls on a spring that is facing up. The weight compresses the spring 0.25m. If the spring constant of the spring is 3.5N/m, how high was the weight when it was dropped?

    asked on March 19, 2013
  38. Physics

    A pendulum is released from some height. When it reaches the bottom of its swing, its speed is 2.5 m/s. What is the initial height of the pendulum?

    asked on March 19, 2013
  39. Math

    I am in need for help on laws of exponents. 1) 4/x^-3== I do not understand... 2)x^4/y^-3 = Early thanks.

    asked on September 20, 2012
  40. Math

    Can anyone solve this rational inequality y-3/5 < y+2/10

    asked on December 7, 2011
  41. science

    convert 270g to moles

    asked on December 7, 2010
  42. math

    Factor: 20+22v-12v^2

    asked on August 31, 2010
  43. MAT116

    Graph the line containing the given pair of points and find the slope. (5,2),(-4,-5)

    asked on August 20, 2010
  44. final project

    what is a pearl? http://en.wikipedia.org/wiki/Pearl

    asked on May 7, 2007
  1. Macroeconomics

    Equals saving

    posted on April 26, 2019
  2. CHM101


    posted on July 19, 2018
  3. Chem


    posted on April 26, 2017
  4. Physics

    That's the static coefficient of friction for the surface

    posted on February 16, 2017
  5. Physics

    The angle of reflection is going to be 30

    posted on April 17, 2016
  6. Physics


    posted on November 21, 2014
  7. stats


    posted on December 17, 2012
  8. math

    12, reason being the equation is 1320=x!(x-3)!

    posted on April 25, 2012
  9. physics

    Assuming they travel in one-dimension we can use the x(t)= vt+1/2 at^2. The slower boy will travel a distance X and the faster boy will travel a distance 100-X because X will be the meeting point. And there is no acceleration involved, so the equation will

    posted on September 2, 2011
  10. science

    so would i divid the molar mass of c12 h22 o11?

    posted on December 7, 2010
  11. 10 grade chem

    Thanks Ms. Sue have anything else she said that's not it cause that's what I gave her. Any other answers and I dnt believe bay leaf was in that answer

    posted on November 7, 2010
  12. Environmental Science

    Thank you.

    posted on March 23, 2009
  13. physics


    posted on September 29, 2007