shellie

Most popular questions and responses by shellie
  1. geometry

    8. A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the

    asked on February 15, 2013
  2. Pre Calculus

    Radium-221 has a half-life of 30 s. How long will it take for 95% of a sample to decay

    asked on July 26, 2009
  3. geometry

    Find the missing value to the nearest hundredth. tan =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin=8/32 75.52m 14.04m 77.76m 14.48

    asked on February 15, 2013
  4. Pre Calculus

    Evaluate log b {square root of 10b}, given that log b 2 = 0.3562 and log b 5 = 0.8271 (sorry I had no clue how to type this in math format!)

    asked on July 26, 2009
  5. Statistics

    Assume that the points scored by the winning teams for all NCAA games follow a bell-shaped distribution. Using the mean of 76.5 and the standard deviation of 7, estimate the percentage of all NCAA games in which the winning team scores 84 or more points.

    asked on September 12, 2009
  6. geomtrey

    Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

    asked on February 15, 2013
  7. photoautotrophs

    oxidize chemicals to obtain energy obtain energy from light and carbon from carbon dioxide use light energy to synthesize water and sugar obtain electrons from oxygen and carbon from organic molecules WHICH ONE DO WOULD YOU PICK. I AM CLUELESS. This site

    asked on October 3, 2006
  8. Economics

    I have created an accurate graph on excel and I believe the answers to the first 2 portions of the question are: The opportunity cost of the first 2,000 automobiles is the inability to produce 1000 tons of beef or we give up 1000 tons of beef in order to

    asked on August 22, 2009
  9. Economics

    Between which points is the opportunity cost per thousand automobiles highest? Between which points is the opportunity cost per thousand tons of beef highest? (10 pts) points A-E Beef at A-E 10, 9, 7, 4 0 Autos at A-E 0, 2, 4, 6, 8

    asked on August 22, 2009
  10. Pre Calculus

    The burial cloth of an Egyptian mummy is estimated to contain 56% of the carbon-14 it contained originally. How long ago was the mummy buried? (the half-life of carbon-14 is 5730). Please round the answer to the nearest tenth. I have figured that: m(t) =

    asked on July 24, 2009
  11. geomtrey

    Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

    asked on February 15, 2013
  12. Physics

    An aluminum measuring tape is correctly calibrated in metric units at exactly 0 degree Celsius. At is used to measure the distance between two lines on a floor, and the reading is 25.000 meters at a temperature of 30.000 degree Celsius. Determine the

    asked on January 5, 2015
  13. Math (grade 10)

    On the design plan for a garden, a straight path suns from (-25,20) to (40,36). A lamp is going to be placed at the midpoint of the path. Determine the coordinates for the lamp.

    asked on May 28, 2012
  14. Statistics

    We are working on pivot tables with grouping. I have no trouble creating a table with variables and totals however, I cannot figure out how I can include Relative Frequencies and Percentage frequencies in the same pivot table - as shown in the book. Thanks

    asked on August 29, 2009
  15. Economics

    a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand

    asked on August 22, 2009
  16. Pre Calculus

    interest 7%; investment $2000, compounded monthly - how much after 10 years. I am very close on this one but must be missing an important step: A(t) = 2,000(1 + .07/12)^(10)(12) A(10) = 2,000(1.0058)^120 A(10) = 2,000(2.0017 = 4003.4 However the answer is

    asked on July 26, 2009
  17. 10th grade math

    The angle of elevation from the top of a 10m high building to the top of a taller building is 12°. The angle of depression from the top of the 10m building to the bottom of the taller one is 37. How tall is the taller building

    asked on June 16, 2012
  18. Kids health questions

    Is spina bifida caused by a spinal cord injury or birth trauma? Are hemiplegic children impaired on one side or on both sides? Spina bifida: http://en.wikipedia.org/wiki/Spina_bifida hemiplegic: http://en.wikipedia.org/wiki/Hemiplegic More than just

    asked on July 12, 2007
  19. college

    Assignment Testing a Theory Write at least 300 words describing a time when you had to test a theory. This theory may be something you have tested at work, school, or even at home. Answer the following questions in your summary: • What type of informal

    asked on February 26, 2012
  20. chemistry

    Mass of an unknown gas of 50 mL volume at 25 degrees C. and 740 mm of Hg pressure was 0.056 g. The molecular mass of this gas is...

    asked on January 22, 2012
  21. physics

    find the kinetic energy of an 8kg mass moving at 5m/s

    asked on December 1, 2010
  22. Pre Calculus

    log(log10^10,000)

    asked on July 25, 2009
  23. Pre Calculus

    find the real zeros of the polynomial: P(x) = 24x^3 - 76x^2 + 2

    asked on July 21, 2009
  24. spermatogenesis

    can you tell me if this is right, I think it is the third choice. thanks the question is what is true of spermatogenesis Sperm production occurs several degrees above body temperature. The sperm cell consists of an acrosomal unit, which carries enzymes to

    asked on October 3, 2006
  25. Algebra

    How do I find the solution for -2x-4y=1 12y=-6x-3?

    asked on July 6, 2014
  26. 8th grade science

    how do i solve this problem The Math Behind the LawHow much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2?

    asked on March 5, 2010
  27. Pre Calculus

    solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting

    asked on July 26, 2009
  28. calculus

    Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

    asked on September 7, 2011
  29. calculus

    Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

    asked on September 7, 2011
  30. Statistics

    x is a random variable with the probability function: f(X) = x/6 for x = 1, 2 or 3 the expected value of X is?

    asked on October 8, 2009
  31. Economics

    I have created a scatter chart for supply and demand but the x and y axis are wrong and need to be switched. I have tried and tried to switch them....with no success.....I'm using excel 2007....how do you switch the x and y axis in a scatter chart! Thanks

    asked on September 6, 2009
  1. geometry

    B.

    posted on February 15, 2013
  2. college

    i am still lost i don't understand what the reserch methods are can you give me a clue what that part is talking about?

    posted on February 26, 2012
  3. college

    what would be the reserch method in your exsamples

    posted on February 26, 2012
  4. 8th grade science

    how do i do this problem The Math Behind the Law How much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2?

    posted on March 5, 2010
  5. Economics

    Yeah....I have tried numerous on line tutorials and I have actually been able to make a supply graph and a demand graph that are correct......x and y axis but when I try and combine them they reverse....I'll keep looking! Thanks

    posted on September 6, 2009
  6. Economics

    Thanks I finally figured it out!

    posted on August 22, 2009
  7. Economics

    a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand

    posted on August 22, 2009
  8. Pre Calculus

    The second answer is the correct answer! Thanks to you both I am on my way to the final Shellie

    posted on July 27, 2009
  9. Pre Calculus

    Thanks...

    posted on July 26, 2009
  10. Pre Calculus

    Thanks! I'm sorry for sooo many questions but I took this as a TERM class and so I've had 4 weeks to learn basically 1/2 the book with the final on Monday and he never really got time to lecture on Chapter 4 so I am basically trying to learn it on my own

    posted on July 26, 2009
  11. Pre Calculus

    Thank you I just think I got overwhelmed!

    posted on July 21, 2009