Most popular questions and responses by rocio
  1. Stat

    If radio station call letters must begin with either K or W and must include either two or three additional​ letters, how many different possibilities are​ there?

    asked on February 17, 2017
  2. Chemistry--help me, please

    how would you separate Fe3+ from Ba2+ in a mixture? Please explain and give an equation for reaction.

    asked on October 30, 2010
  3. Physics

    an object is dropped from rest the top of a building 19.6 m hi. calculate the a) time for the object to reach the ground and b) object's speed just before it strikes the ground

    asked on April 5, 2016
  4. math

    a ribbon is 3 2/3 yards long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. I try 3 2/3 divided by 2/3 so the answer I get is 5 1/2. but when I used the model section I get 5 1/3. Please help me I am so confused.

    asked on September 28, 2015
  5. INT. Algebra

    suppose that W is inversely proportional to V. If W = 63 when V = 9, find W when V = 81

    asked on March 13, 2015
  6. PHY 1004

    A projectile is fired with an initial velocity of 10.0 m/s at an angle of 30^0 above the horizontal. It is at ground level and returns to ground level.. Determine the projectile's horizontal range

    asked on April 9, 2016
  7. Math 1105

    - The heights of a ball (in feet) thrown with an initial velocity of 90 feet per second from an initial velocity of 90 feet per second from an initial height of 4 feet is given as a function of time t(in seconds)by s(t)= -16t^2+90t+4

    asked on October 14, 2016
  8. english

    what does pluralism mean in a familial sense?

    asked on October 31, 2010
  9. Phy 1004

    A= 50.0 lbs due East, B=100Lbsdue North. A+B= R,R=?

    asked on April 5, 2016
  10. Native Americans

    who is an indian? what is an indian tribe? how does an indian become a member of a tribe? do all indians live on reservations? are indians entitled to a free college education? are indians US citizens? did all indians speak one language? why are indians

    asked on September 7, 2006
  11. ENC 1102

    The story addresses a very sensitive issue that affects every culture, nationality, ethnic group, race and social class. Death is indeed quite an unpleasant aspect of life that many people do not like talking about. However, it is unavoidable since people

    asked on September 22, 2016
  12. geometry

    in a parallelogram abcd=28,bc=45,and ac=53. is the parallelogram a rectangle?

    asked on March 23, 2011
  13. com140

    explain the three main techniques of persuasion?

    asked on February 24, 2009
  14. ASAP math

    how you do this: The perimeter of an isosceles triangle is 36cm, and the area is 60cm. The length of the base is 3cm less than the length of a leg. Find the length of each side.

    asked on September 29, 2008
  1. statistics

    A person is selected at random from a population that has the following characteristics: 65% of the people are men; the others are women 12% of the men are smokers 7% of the women are smokers 1. Find the chance that the selected person is a non-smoker,

    posted on April 20, 2013
  2. Business Math

    Rex Corporation accepted a $5,000 8%, 120-day note dated August 8 from Regis Company in settlement of a past bill. On October 11, Rex discounted the note at Park Bank at 9%. What is the note's dicount period?

    posted on October 29, 2011
  3. checking answers for math

    round 44-21

    posted on February 7, 2010