Questions Asked on
October 3, 2006

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 
precalculus
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 
Physics
An 1800kg 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 
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 
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 
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 
chemistry
A mixture of CH4(g) at 0.500 atm and O2(g) at 0.750 atm is present in a 3.00L 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 
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 
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 
driveing 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 
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 
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 
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 
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 
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!!! 
Mathacceleration
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 
PreCalculus
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 
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 
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 =] 
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 
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 
geometery
m angle1=62 degree complementry to angle 2 I don't understand what you need.
asked by mike 
Science
Which of the rockforming 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=ISO88591&q=minerals+earth%27s+crust&btnG=Search
asked by Liz 
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 
math
I need a answer to 35+85+443 563 41 563 umm like adding them?or average or what??
asked by tia 
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 
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 
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 
english writing rules
Directions:correcting the sentence given if needed under the rule of: Inclusive languagequoting 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 
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 
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 
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 
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 
english writing rules
Directions: Correct the following sentences given if needed under the rule of :Inclusive languageMaking language nonsexist. (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 
English writting rule
Directions:Correcting the sentences given if needed under the rule of: Inclusive LanguageMaking language nonracist and nonagist.#15 (1)She is a very capable black woman (2)His grandmother really enjoys spending the afternoon at the center for senior
asked by jasmine 
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 
english writing rules
Direnctions : Correct the following sentence given if needed under the rule of:InclusiveLanguage 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 
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 
science
why is urine yellow it depends on what you ate or what color it was
asked by sam 
math help
did anybody answer my question drwls answered your geometry question.
asked by jessica =]