Most popular questions and responses by Gennelle
  1. math

    It has been observed that a particular plant's growth is directly proportional to time. It measured 2 cm when it arrived at the nursery ang 2.5 cm exactly one week later. If the plant continues to grow at this rate, determine the function that represents

    asked on July 11, 2016
  2. Chemistry

    A 6.3 g sample of solid NH4NO3 is dissolved in 50g of water, causing the temperature to drop from 24°C to 19°C. Calculate the ∆Hsolution in J/mol. -Thank you ☺

    asked on March 12, 2017
  3. Math

    The volume V of gas varies inversely as the pressure P on it. If the volume is 240 cm^3 under pressure of 30 kg/cm^2, what pressure has to be applied to have a volume of 160 cm^3 ?

    asked on July 11, 2016
  4. chemistry

    Water, compared to other substances, has one of the highest specific heat values. What is the advantage of this fact for the human body? -Thank you ☺

    asked on March 12, 2017
  5. Pre-Cal

    Write the standard equation of the ellipse: 1. F1 (-4,0) and F2 (4,0), passing through (4,1)

    asked on January 17, 2017
  6. Math

    A court is to be surrounded by plastic stripping 30m long. One side of the court does not need the stripping because it is a brick wall. What must be the dimensions of the court in order to obtain a maximum area? What is the maximum area? Thank you! :)

    asked on July 13, 2016
  7. Chemistry

    The specific heat of a copper metal is 0.385J/g-°K. How many kJ of heat are needed to raise the temperatue of 1.1 kg block of copper from 27.5°C to 50°C? -Thank you ☺

    asked on March 12, 2017
  8. Math

    Find the solution of the given equations. x-1/x^2-9+1/x-3=2/x+3 Thank you! :)

    asked on July 24, 2016
  9. Math

    1. x-2/3-x>0 2. 3x-1/x+2-1equal to 0 Thank you! :)

    asked on July 25, 2016
  10. Math

    Find two numbers which have a difference of 7, and a product that is a minimum. Thank you! :)

    asked on July 13, 2016