Newest questions and responses by jul
  1. Pre-calculus

    A square of size x inches is cut out of each corner of an 8in by 12in piece of cardboard, and the sides are folded up to form an open-topped box. Determine the dimensions of the cut-out squares that will produce the box of maximum volume.

    asked on December 16, 2015
  2. Math

    If there are 6 tricycle wheels and the ratio of tricycles to the tricycle wheels is 1:3, how many tricycles are there?

    asked on July 7, 2015
  3. Math

    Joe can type 11 words in 8 secs. at this rate, how many words can he type in two minutes ?

    asked on July 7, 2015
  4. Math

    a ribbon is 40 inches long. we want to cut the ribbon into pieces, each pieces will be 2/3 of an inch. how many pieces will we have ?

    asked on July 7, 2015
  5. finance

    Calculating break-even. Jasmine Gonzales, administrative director of Small Imaging Center, has been asked by the practice members to see if it is feasible to add more staff to support the practice’s mammography service, which currently has 2 analogue

    asked on May 13, 2015
  6. Physics

    Two lenses are in contact. One of the lenses has a focal length of +10.0cm when used alone. When the two are in combination, an object 20cm away from the lenses forms a real image 40cm away from the lenses. What is the focal length? I am not sure how to

    asked on April 2, 2013
  7. calculus

    suppose that f(x) = x^3 x1 is differentiable at x=1 then a=?, b=?

    asked on October 20, 2012
  8. math

    prove the inequality sin x + tan x > 2x for x ¸ (0, pi/2) i don't know what i must do with this equation, can someone explain this to me step by step? >.

    asked on October 20, 2012
  9. physics

    A 248-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.5°. A horizontal force (magnitude = 537 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the

    asked on November 9, 2011
  10. Calculus

    Consider the parametric curve given by the equations x(t)=t^2–14t–4 y(t)=t^2–14t+48 How many units of distance are covered by the point P(t) = (x(t),y(t)) between t=0, and t=11 ?

    asked on March 21, 2009
  11. ap history

    why didn't the british leave after the signing of the treaty of paris

    asked on October 28, 2008
  12. Biology

    Why can sex hormones pass through a cell directly while protein hormones have to attach to the receptor site on a cell membrane?

    asked on February 22, 2007
  1. Algebra


    posted on October 18, 2017
  2. Math

    Thank you for answering :)

    posted on July 8, 2015
  3. Economics


    posted on September 22, 2014
  4. physics

    could you clarify what M is? i know g is the gravity which will be 9.81 but im not sure about the M

    posted on November 9, 2011