Questions Asked on
October 3, 2006

  1. math

    The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours.....what is d when t = 2.5? ...what is t when d =210? please help im desperate here...iv been studying all day help me my brain hurts!!!!!!!!!!!

    asked by chemiii
  2. pre-calculus

    the spread of oil leaking from a tanker is in the shape of a circle. If the radius r (in feet) of the spread after t hours is r(t)= 200 square root of t, find the area A of the oil slick as a function of the time t. You know that the area of a circle is

    asked by Erica
  3. Physics

    An 1800-kg car starting from rest accelerates constantly during the first 9.50 s of its motion. If the force acting on the car is 2150 N, what is the car;s speed at the end of this time? 2150 N = 1800 kg. (a) a = 1.194 (1.194)(9.5 s) = 11.347 m/s correct?

    asked by Fred
  4. More Darn Physics

    what force must be exerted on an electron to move it from a state of rest to a speed of 3.5 x 10^7 m/s in a distance of 0.75 m? Look up the mass of the electron and call it m. Then compute the required acceleration a, using V = sqrt(2 a X) (Solve that for

    asked by Fred
  5. 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 by shellie
  6. more chem :(

    One method of removing CO2(g) from a spacecraft is to allow the CO2 to react with LiOH. What volume, in liters, of CO2(g) at 26.0°C and 793 Torr can be removed per kilogram of LiOH consumed? 2LiOH(s) + CO2(g) -> Li2CO3(s) + H2O(l) Use stoichiometry to

    asked by geoff
  7. chemistry

    A mixture of CH4(g) at 0.500 atm and O2(g) at 0.750 atm is present in a 3.00-L container at 28°C. The mixture is ignited by a spark and reacts according to the equation provided below. What is the total pressure in the container, now at 44°C, after the

    asked by geoff
  8. computers

    the def of the shift key? "The shift key is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters." From wikipedia =) Depending on what applications you are using, the shift key can modify other commands. for

    asked by kellie
  9. social studies

    what are the five great lakes You can find that at the site below: http://worldatlas.com/webimage/countrys/namerica/greatlk.htm they are lake superior lake michagan lake huron lake eria lake ontario

    asked by A Friend
  10. drive-ing problem

    hi this is my problem... A shaft turning at the 1800 r/min is coupled to a gear with 80 teeth, matching a gear with 62 teeth. In turn this gear is fitted to an intermediate shaft driving a gear with 40 teeth. This gear in turn drives a gear with 96

    asked by tigger needs help
  11. Food Webs and Food Chains

    does any one know any food chains or food webs? its an emergency! http://en.wikipedia.org/wiki/Food_chain

    asked by Marla
  12. Math

    Find a quick and easy method to compute the sum of the first 100 counting numbers. I can't use a calculator. I can't figure out an easy way. 1+2+3+4+5...........98+99+100 Carl Freidrich Gauss had no idea as to how famous his name would become when he

    asked by Tony
  13. earth science

    which term is best defined as a measure of the amount of space a subtance occupies? volume It looks like you have answered your own question. If it is three dimensional, it is volume. However, if it is two dimensional, it is area. I hope this helps a

    asked by nena
  14. Physics

    A dock worker applies a constant horizontal force of 77.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 9.00 in the first 7.00 . What is the mass of the block of ice? Do it in

    asked by Morgan
  15. us history

    "the american war is over, but this is far from being the case with the american revolution." i need to know 1 more event or area of american life that represents this quote, i already have government and the Bill of Rights The United States is still

    asked by INEEDHELP!!!
  16. Math-acceleration

    An object moves across a straight line so that after t seconds, is distance from its starting point is: D(t)=t^3 - 12t^2 + 100t + 12 meters. Find the acceleration of the object after 3 seconds. I believe acceleration is calculated by taking the second

    asked by becky
  17. Pre-Calculus

    The surface ares S (in square meters) of a hot air ballon is given by s(r)=4 pi r^2 where r is radius of balloon (in meters). If the radius r is increasing with time (in seconds) according to the formula r(t) = 2/3t^3, t is greater than or equal to 0, find

    asked by Erica
  18. Earth Science

    What commonly used metal is extracted from hematite? There are a number or iron ores. Hematite is one of them.

    asked by Barb
  19. geometry

    state the reason for the conclusion 1) given: angle 1 is congruent to angle 2 conlusion: the measurement of angle 1 is equal to the measuremnt of angle 2. what is the reason for the conclusion?????/? plzzz i need help like a lot Two angles are not

    asked by jessica =]
  20. lattice math

    Why should we estimate before solving a problem? We should estimate before solving a problem to make sure our answer is close to the real answer. Here's a simple problem. Suppose we want to find wnat a 6% tax on a $10 purchase would be. When you do the

    asked by marc
  21. religion

    it is a religion fill in the blank the truth that the son of god became man is called blank Because of lack of capital letters and correct punctuation, I'm not sure what you are asking. Are you trying to come up with a definition for "faith"? ??

    asked by taylor
  22. geometery

    m angle1=62 degree complementry to angle 2 I don't understand what you need.

    asked by mike
  23. Science

    Which of the rock-forming mineral groups makes up the largest group of minerals in the Earth's crust? Look here for your answer. http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=minerals+earth%27s+crust&btnG=Search

    asked by Liz
  24. business studies

    what does 'alleviates diseconomies' mean ? I went to http://www.google.com and entered alleviates diseconomies as search words. You can, too, and perhaps find some websites that will help you with this terminology. Another strategy is to go to

    asked by saffron
  25. math

    I need a answer to 35+85+443 563 41 563 umm like adding them?or average or what??

    asked by tia
  26. RHETORIC

    What is the role of rhetoric in influencing peoples attitudes amd beliefs? How can readers distinguish between prejudicial and nonprejudicial us of rhetorical devices? Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you

    asked by DEON
  27. ECONOMICS

    Need examples of topics dealing with 2 Economic Concepts.... Meaning .. Like Gas prices .. deals with supply and demand along with goods and services. Which two economic concepts? Please explain your question. I reposted Another post stating what exactly

    asked by Mirage
  28. 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 by shellie
  29. english writing rules

    Directions:correcting the sentence given if needed under the rule of: Inclusive language-quoting form biased sources. The law from the 1800s mandated that men could buy alcohol and cigarettes only form a state store. Your instructions are very strange. If

    asked by jasmine
  30. accounting

    increases in temporary capital accounts result in an increase or a decrease in owner's equity? true what are you asking? be more spacific

    asked by Anonymous
  31. math

    how am i supposed to find the stemplot of a 3 digit number.. like 340,590,500,630,657,320... fxcgfxc

    asked by anu
  32. That darn PHYSICS again

    Hi! i need some help with this ASAP! a body is projected upwards from a point on level ground with a velocity of 45 m/s at an elevation of 30 degrees. Working from the expression for uniformly accelerated motion in a straight line, determine 1) the time of

    asked by Sean
  33. math

    wuts 2.5 times 70? put 2.5*70 into Google and see what you get think of it like this: 70 x 2.5 ______

    asked by chemiii
  34. english writing rules

    Directions: Correct the following sentences given if needed under the rule of :Inclusive language-Making language non-sexist. (1) The directors and their wives met the stockholders for a night on the town. (2) Each advisor was contacted by his students.

    asked by jasmine
  35. English writting rule

    Directions:Correcting the sentences given if needed under the rule of: Inclusive Language-Making language nonracist and nonagist.#1-5 (1)She is a very capable black woman (2)His grandmother really enjoys spending the afternoon at the center for senior

    asked by jasmine
  36. Project format

    Let's say I'm doing an assignment with an appendix (in the appendix I have calculations, graphs, etc.). Should I inlude the works cited in the appendix, before, or after?

    asked by Joey
  37. english writing rules

    Direnctions : Correct the following sentence given if needed under the rule of:Inclusive-Language quoting orm biasd sources. The employee guide indicated that men could add their spouses to their health care plan. Substitute "employeees" for "men," since

    asked by jasmine
  38. math

    Can you solve this probem for me 1 1/2 X 2/3 1 1/2 is the same as 3/2 so 3/2 x 2/3 = 3/3 = 1 since the 2's cancel when you multiply. 4

    asked by Lethea
  39. science

    why is urine yellow it depends on what you ate or what color it was

    asked by sam
  40. math help

    did anybody answer my question drwls answered your geometry question.

    asked by jessica =]