Urgent Help

Popular questions and responses by Urgent Help
  1. math calculus

    Find the half-life (in hours) of a radioactive substance that is reduced by 30 percent in 40 hours.

    asked on August 30, 2015
  2. math calculus

    In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 95 percent of its carbon-14 (half-life 5730 years). Approximately how old is the painting? In years

    asked on August 30, 2015
  3. Physics

    During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 4.0 m in front of Alice. They are both running with the same speed of v0= 7.0 m/s. When the finish line is a distance L= 45.0 m

    asked on September 12, 2013
  4. Science

    What mass of iron metal can be obtained from the reaction of 45.6kg Iron (III) oxide Fe3O4 with carbon monoxide CO as given in the following equation? Fe3O4 + 4CO = 3Fe + 4CO2

    asked on June 8, 2016
  5. History

    Use the passage below, please answer the question that follows. The Tuscarora people lived in the eastern areas of North Carolina in the 17th century. As European settlers moved into their homelands, tensions between these groups rose. European settlers

    asked on December 23, 2015
  6. chemistry

    A particle with the mass of a proton is trapped in a box. The particle falls from the n=3 state to the n=2 state and emits 0.16 meV of energy. What is the size of the box? Please report your answer in nm. An electron is trapped in a box of length L = 100

    asked on September 13, 2013
  7. chemistry

    Strontium-90 decays through the emission of beta particles. It has a half-life of 29 years. How long does it take for 80% of a sample of strontium-90 to decay? Show process of how you got this

    asked on January 10, 2013
  8. Accounting

    Can someone please explain why the sales for dresses and accessories will be sold for $294,582.5? IN THE FOLLOWING LINK I been trying to figure this out, instead, I was getting = (1500 x ($200 + $27.5 + $9.5)) x 70% = $248,850.

    asked on November 14, 2019
  9. ELA

    What can you infer about the speaker in “Rose Pogonias”? Support your answer with evidence by citing examples of three words or phrases from the poem. Explain why each word or phrase helps you know more about the speaker. A saturated meadow, Sun-shaped

    asked on March 7, 2017
  10. SCience

    After watching the Farmers and their Lost Dreams: The Dust Bowl Years video segment, reflect back on the stories of two American farming families as they struggled to survive the dust storms that overtook the plains Write a paragraph in reaction to what

    asked on March 2, 2017
  11. Social Studies

    1750 BC–AD 200 how did paper impact people in ancient times.

    asked on February 23, 2017
  12. math

    I really need help with this question plz help. Mrs. miller sells a house for $179.000. if she earns a commission of 6%, how much money does she earn?.

    asked on November 6, 2016
  13. Math

    8.f2 ∙ f4 A. (2f)^8 B. (2f)^6 C. F^8 D. F^6

    asked on April 18, 2016
  14. Physics Help!!!!!!!!!!!!!!!!

    Suppose you were asked to develop a concept of "automobile current" ( a current formed by moving cars) for traffic on an interstate or busy street near you. a) what would be the units of "automobile current"? b) what info would be the "automobile current"

    asked on February 11, 2015
  15. Chemistry

    What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x=

    asked on September 19, 2013
  16. Chemistry

    What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x=

    asked on September 19, 2013
  17. Chemistry

    What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

    asked on September 18, 2013
  18. Chemistry

    What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

    asked on September 18, 2013
  19. chemistry

    What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

    asked on September 18, 2013
  20. Physics

    Convex lenses are used to correct: a) short sight b) long sight c) both short and long sights d) to correct vision angle

    asked on August 24, 2012
  21. Physics

    an iron of diameter 4 cm at 25 degree and a cylinder of diameter 4.002 cm is made of the same material at the same temperature. to what temperature the ring should be heated so that the cylinder passes through the ring easily.? a) 41.6 degree Celsius b)

    asked on August 24, 2012
  22. instrumental

    Can anyone in here be kind enough to get me this instrumentals...Pleaseeeee! Top down by swizz beats On my mind by Benzino Girl Friend By Guerrilla black Show your !@#$%^& By J-kwon Wonderful Place by Neptunes

    asked on July 10, 2008
  1. Accounting

    www.chegg.com/homework-help/add-product-linemanhattan-fashions-inc-high-fashion-dress-ma-chapter-14-problem-52p-solution-9780078110917-exc?fbclid=IwAR0KQkE0WOWFMx9lDqHRnjItEyUP20y89zT4zggjTvsIGzvNzdD9q2xknHc

    posted on November 14, 2019
  2. ELA

    Can someone please asnwer?

    posted on March 7, 2017
  3. SCience

    Its okay I did this already.

    posted on March 2, 2017
  4. SCience

    No, the part where it says reflect back on the stories of two American farming families as they struggled to survive the dust storms that overtook the plains .

    posted on March 2, 2017
  5. SCience

    Oh I know I will do that my self. just the first part if what i need answered.

    posted on March 2, 2017
  6. math

    So I would just write down 10,740 as the answer and thats it?

    posted on November 6, 2016
  7. math

    Wait nvm I got 10740

    posted on November 6, 2016
  8. math

    I got 1047....

    posted on November 6, 2016
  9. Math

    Yay I can

    posted on April 18, 2016
  10. Math

    125 · 5=?

    posted on April 18, 2016
  11. Math

    I'm not sure

    posted on April 18, 2016
  12. Math

    10.X^11/x^4 A. X^7 B. X^15 C. X^44 D.x 11/4

    posted on April 18, 2016
  13. History

    Thank you

    posted on December 23, 2015
  14. History

    C?

    posted on December 23, 2015
  15. History

    So which one is it then?

    posted on December 23, 2015