Nellie

Most popular questions and responses by Nellie
  1. physics

    The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the bunny changes its velocity to west at 12 m/s and escapes. What was the bunny's average acceleration (magnitude and direction) during this half-second

    asked on October 11, 2012
  2. Can some guide me

    An artifact was found and tested for its carbon-14 content. If 71% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.)

    asked on May 13, 2014
  3. intermediate algebra

    A model rocket Is launched from a height of 50ft. The formula h=-16t^2+70t +50 describes the rocket's height,h,in feet seconds after it was launched. How long will it take the rocket to reach to reachthe ground?

    asked on November 16, 2014
  4. Physics

    Angel Falls in southeastern Venezuela is the highest uninterrupted waterfall in the world, dropping 979 m (3212 ft). Assume that it takes 14 s for the water to fall from the lip of the falls to the river below. If the water lands 60 m from the base of the

    asked on October 11, 2012
  5. physics

    a) How much work must be done on a particle with a mass of m to accelerate it from rest to a speed of 8.4×10−2 c ? (Express the answer in terms of mc^2.) b)How much work must be done on a particle with a mass of m to accelerate it from a speed of 0.900c

    asked on October 26, 2015
  6. math

    Express the fractoin 17/20 as a decimal and as a percent

    asked on September 1, 2013
  7. Calculus AB

    Consider the region trapped between the graphs of y=9-x^2 and y=11-3x. a) find the area of this region b) set up an integral which computes the volume of the solid of rotation obtained by rotating this region about the x-axis c) set up an integral which

    asked on March 9, 2011
  8. math

    lisa made a long-distance telephone call to her friend Jane. the cost was $.42 for the fist minute and $.19 for each additional minute. what was the total length of the call if it cost $2.89

    asked on February 24, 2012
  9. Calculus AB

    Consider the region bounded by the graphs of the equations x=y^2 and y=3x. Set up 2 integrals, one with respect to x and the other with respect to y, both of which compute the volume of the solid obtained by rotating this region about the x-axis and

    asked on March 8, 2011
  10. Calculus AB

    Consider the region trapped between the graphs of y=9-x^2 and y=11-3x. a) find the area of this region b) set up an integral which computes the volume of the solid of rotation obtained by rotating this region about the x-axis c) set up an integral which

    asked on March 8, 2011
  11. math

    simplify expression 6(6)+ 6(4)

    asked on October 17, 2012
  12. DSMA

    What does Frank do on Friday? Is does and do used properly?

    asked on May 23, 2011
  13. Spelling

    I need help with finding contractions. I need to find 3 will/shall contractions (I need 9 but I already have I'll, She'll, He'll, They'll You'll, We'll). Then I need 6 is/has contactions (I also need 9 and I have She's, He's, It's). Then I need 11 not

    asked on January 8, 2009
  14. Science

    If the mass is 5 kg, what is the weight???

    asked on October 7, 2007
  15. Have I done this right

    write the equations in logarithmic form 216 = ^63 answer In(e^4.5) 49 = (1/7) ^-2 answer 2=log(3x)

    asked on May 13, 2014
  16. math

    simplify epression 6(6)+ 6(4)

    asked on October 17, 2012
  17. math

    Express the following in simplest form: (complex fraction) Sin(x) - Cos(x) Cos(x) Sin(x) _______________ 1 - 1 Cos(x) Sin(x)

    asked on February 26, 2010
  1. Algebra

    Write a numerical expression for the phrase and simplify it.

    posted on August 3, 2017
  2. Algebra!!!

    Using the point-slope equation, find the equation containing (2, 5) and slope m = -3

    posted on August 4, 2015
  3. Algebra

    17-6x10 ,2+12

    posted on October 15, 2012
  4. algebra

    17 17 - 6x10 ,2+12

    posted on October 15, 2012
  5. math

    17-6x10 ,2+12

    posted on October 15, 2012
  6. western experience

    I'm currently taking AP European History, and 2 is environmentalists, like Ms. Sue said.

    posted on April 3, 2012