Most popular questions and responses by bear
  1. math

    Consider five circles with radii of 1, 2, 4, 8, and 16 inches. Complete the chart. (Answers will be in terms of Pi). One has been completed for you. |Radius|Circumference|Area| |1|2pi in.|pi in.^2| |2| |4| |8| |16| Help I have no idea what I'm supposed to

    asked on May 12, 2016
  2. Chemistry

    Use bond energies to determine the energy transferred in the reaction between hydrogen and chlorine to make hydrogen chloride. H2 (g) + Cl2 (g) → 2HCl (g)

    asked on September 29, 2016
  3. Chemistry

    Ammonium nitrate, NH4NO3, is used in “cold packs”. Which statement best describes why the products are favored, when the solid is mixed with water? NH4NO3(s) → NH4+ (aq) + NO3- (aq) A) Heat is transferred to the surroundings to lower the temperature

    asked on October 6, 2016
  4. physics

    a merry go round wheel rotates with an angular speed of 2 rad/s. consider two children on the wheel, one standing .5 m and the other 1.5 m away from the center of the wheel. the chid at 1.5 m distance is moving__________ times faster than the child at .5 m

    asked on October 24, 2010
  5. english

    can some body give me a example of a clause sentence Eric or Bear or whoever -- If you have one independent clause, you also have a sentence if you punctuate it properly. If you have one dependent clause,

    asked on July 11, 2007
  6. sports unscramble


    asked on October 19, 2007
  7. Math

    Working three days per week, a clerk earns $255 per week. At the same rate of pay , which expression below represents what she would earn if she worked 5 days per week? ( let x represent full time earnings) 1. X= 3/5 (255) 2. X= 5/3(255). 3. X= 3(255). 4.

    asked on May 4, 2017
  8. Chemistry

    Calcium chloride, CaCl2, is used in “hot packs”. When the solid is mixed with water, the products are favored. Based on this information, which of the following is true for the values of ΔH and ΔS for the dissolving process? CaCl2 (s) → Ca2+ (aq) +

    asked on October 6, 2016
  9. english

    when was the decleration of independence sign Check this site for your answer.

    asked on July 11, 2007
  10. science

    vs =6 volts vth =2 volts ida(diode current)=1m amp no value given for resistor network find rth(thevenien) 2,000 and 4000 do not work. diode current must not be equal to isc.?? voc=2 volts

    asked on December 16, 2015
  11. Chemistry

    The amount of CaCO3 that is equivalent to all polyvalent metal ions in one liter of water. what is molarity of 100 ppm Mn^2+? What is the ppm of I^-1 in 0.000100 M of BaI2 ? Thank you!

    asked on April 16, 2015
  12. Chemistry

    You are titrating 50ml of a 0.02M solution of Zn^+2 at pH 7 with 0.05M solution of EDTA. What is the [Zn+2] after 20mL of EDTA has been added? Kzny=3x10^16

    asked on March 21, 2015
  13. Physics

    A ball is thrown downward from a balcony that is 19.6m above the ground one kid throws downward at 14.7m/s, at the same time another student throws a ball upward from the balcony at the same speed. what is the difference of the time the balls are in the

    asked on October 1, 2012
  14. physics

    a child on a merry go round at 1.5 m is moving ______ times faster than child at .5 m

    asked on October 24, 2010
  15. science

    If we implemented the FSM above six states using two digits 0,1 and only one bit per cycle using the classic ROM + State register circuit (shown below), only one input and outputwhat would be the appropriate number of locations in the ROM and the

    asked on October 16, 2016
  16. math

    Prove the identity (sinx+cosx)^2 = 1+sin2x Thank you

    asked on January 28, 2015
  17. math

    I am suppose to solve for the following prolbem using PEMDAS _ / _ * _ + _ * _ * _ / _ + _ * _ = 100

    asked on September 30, 2010
  1. math

    Anonymous has it backwards, but has the right numbers. the order is 1,13,25,37,49

    posted on March 10, 2017
  2. Math for Ms. Sue please!

    no ones right

    posted on January 25, 2017
  3. Polyhedren Question, pls help asap!!!!!

    there is a test one two

    posted on January 25, 2017
  4. p.e

    you know that there is also a test that needs this info to but I am getting quiz info.

    posted on December 2, 2016
  5. P.E

    Katie pickles its actually 1. 2,000 2. calories 3. environment

    posted on November 4, 2016
  6. science

    question solved thanks.

    posted on October 18, 2016
  7. math

    Part 2: Compare the areas and circumferences in the last problem. What happens to the circumference and area of a circle when you double the radius?

    posted on May 12, 2016
  8. MATH


    posted on January 10, 2014
  9. math

    Seriously man, don't try to cheat if you this is for the PROMYS application.

    posted on March 17, 2011
  10. Math

    It is advised to not cheat on the PROMYS application problems. If you are stuck on one then try another one.

    posted on March 17, 2011
  11. science

    Let me add the rest it did not paste for some reason... Determine the distance to an earthquake at a station that receives P and S waves 5.0 minutes apart. Hint: (a) Place tick marks on a scrap of paper equal to 5.0 on the minutes axis. (b) Fit that to the

    posted on December 4, 2010
  12. science

    Mine is similar to this one but is: Determine the distance to an earthquake at a station that receives P and S waves 5.0 minutes apart. I have been reading it for hours and still do not understand it.

    posted on December 4, 2010
  13. Math

    4 * 9 - 36 = 0

    posted on September 30, 2010
  14. word unscramble


    posted on October 19, 2007