Most popular questions and responses by Nish
  1. Geography

    Main differences within Africa.

    asked on February 21, 2019
  2. physics

    How many times will the incident beam shown in Figure P25.3 (x = 1.10 m, y = 1.80 m) be reflected by each of the parallel mirrors? mirror on the right

    asked on September 4, 2011
  3. Advanced Functions - Grade 12

    The function C (t) = 0.16t/t^2 + t + 2 models the concentration, C, in milligrams per cubic centimetre, of a drug entering the bloodstream over time, t, in minutes. a) Sketch the graph of the relation. b) Explain the shape of the graph in the context of

    asked on July 20, 2010
  4. Advanced Functions - Grade 12

    Radiation from the sun keeps us alive, but with the thinning of the ozone layer, it is important to limit exposure. Most of us know that the sun is far more intense at the equator than at the poles. The relationship between the intensity of radiation with

    asked on July 20, 2010
  5. physics

    A fluid in an insulated, flexible bottle is heated by a high resistance wire and expands. If 9 kJ of heat is applied to the system and it does 5 kJ of work, how much does the internal energy change?

    asked on April 6, 2010
  6. Math

    y=xsin^-1x + square root of 1-x^2

    asked on October 18, 2018
  7. Advanced Functions - Grade 12

    The maximum time, T, in minutes, a scuba diver can rise without stopping for decompression on the way to the surface is modeled by the equation T (d) = 525/d-10 , d > 10, where d is the depth of the dive in metres. a) sketch a graph of this relationship.

    asked on July 20, 2010
  8. 12th grade - Advanced Functions

    the height, h, in meters, of a gold ball t seconds after is is hit can be modelled by the function: h (t) = 4.9t^2 + 32t + 0.2. When is the height of the ball 15 m?

    asked on July 19, 2010
  9. English

    What type of conclusion do you plan to write for your research paper? Why? For my conclusion, I plan to write my research paper on a compilation of all the specific topics discussed in my introduction. I would summarize the information I want to relate to

    asked on June 11, 2014
  10. Math

    equivalent fractions for 5/6,5/7,and 8/9 using the least common denominator.

    asked on March 8, 2016
  11. math

    what's the pattern? 1,4,9,1,6,2,5,3,6,4,9,6,4

    asked on September 7, 2011
  1. Math

    Find the derivative of y with respect to the appropriate variable

    posted on October 19, 2018
  2. Life Orientation

    The media’s role is to ensure that the counter-checks and balances that are necessary to promote human rights to the audience. If there are reported human rights violations, then the media’s role is to ensure that the true story will be delegated to

    posted on May 14, 2018
  3. Chemistry


    posted on May 1, 2018
  4. Physics


    posted on October 13, 2015
  5. 12th grade - Advanced Functions

    thanks so much Reiny! :D for correcting my mistake and for the answer!

    posted on July 20, 2010