Most popular questions and responses by Neal
  1. Physics

    A ship is travelling due east at 10 m/s. What must be the speed of a second ship heading 30 degrees east of north if it is always due north of the first ship?

    asked on February 28, 2014
  2. algebra

    A company's profit on phone sales is modeled by the function P(x)= -x^2+90x+497,975 where x is the price of a phone. To the nearest dollar, what price gives the maximum profit? Show all work. The answer is $752 per phone, but I don't know how.

    asked on December 14, 2009
  3. Math (precalculus)

    A rectangle has one corner on the graph of y=f(x)=33-3x^2, another at the origin, a third on the positive y-axis, and the fourth on the positive x-axis. Express the area, A, of the rectangle as a function of x=2

    asked on February 2, 2016
  4. Math

    Sarah is simplifying the rational expression 3x + 6 ----------- 3x She cancels the 3x's and states that the answer is 6. Matt tells her that she is incorrect. What is one example that he could use to show her that this is incorrect? 4 + 6 ------- ≠ 6 4

    asked on December 15, 2015
  5. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 cross 10−5 watts/cm2

    asked on June 5, 2014
  6. MAT-104 (Math)

    Listed below are five female and five male Wimbledon tennis champions, along with their country of citizenship and handedness. Female Male Stephi Graf, Germany, right Michael Stich, Germany, right Martina Navratilova, U.S., left Stefan Edberg, Sweden,

    asked on May 11, 2013
  7. bio

    how is the rate of enzyme activity affected by increasing the concentration of the substate/

    asked on September 1, 2012
  8. distance

    1 ship leaves port everyday. After 30 days it returns. How many ships will it see on the way back ?

    asked on March 15, 2012
  9. statistics

    what is the probability of a rating of150 and 200 with a deviation of15

    asked on December 10, 2011
  10. Englist

    Need to list all the adverbs in the sentence --- Daily we enjoy watching the paint dry quickly and throughly. We are easily amused.

    asked on September 7, 2011
  1. Physics Concepts

    This answers skips too many steps. It is not helpful.

    posted on October 24, 2017
  2. chemistry

    Add base. These people saying it's "add acid" just want to ruin lives. Smh. It's base, not acid.

    posted on February 15, 2017
  3. math

    I don't know

    posted on December 6, 2016
  4. Chemistry

    37.326 g

    posted on February 2, 2016
  5. Math

    nvm its 8

    posted on December 15, 2015
  6. Math

    I think its B

    posted on December 15, 2015
  7. math


    posted on June 5, 2014
  8. Physics

    (a)96.6J (b)6.9W

    posted on September 29, 2013
  9. algebra


    posted on December 14, 2009