Posts by dawn
Total # Posts: 885
12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out don't want the answer just want to know how to solve it!
June 18, 2010
klogg weighs 170 lb. He is loading a freight elevator with identical 69-pound boxes. The elevator can carry no more then 2000lb. If klogg rides up with the boxes how many boxes can be loaded on the elevator?
June 8, 2010
Consider that you are having an informative discussion with your adolescent child about sex. Your goal is to explain to your child that sexual arousal is a normal sensation attributed to the brain, neurochemicals, and sex hormones all working together. Describe, in language ...
April 23, 2010
runner A runs 5.6 miles/hr so it will take him 4.68 hrs to run the marathon. runner B runs 6.4 miles/hr so it will take 4.09 hrs to run the marathon however runner B started half and hour later than runner A 4.68 - .5 = 4.18 so runner B will finish the marathon .09hrs before ...
April 7, 2010
if 2.0 x 10-5 mol of sparingly soluble Cu(IO3)2 can dissolve in 2L of a very soluble NaIO3 sol'n, what is the molar concentration of the NaIO3 sol'n? (Ksp=1.4x10-5 for Cu(IO3)2)
April 7, 2010
An instant lottery gives you probability of 0.023 of winning on any one play, which are independent of each other. If you play 6 times, the probability that you win on none of your plays is: The answer is suppose to be .8902, but I got 0.895. I took 0.23 to the 6th power and ...
March 30, 2010
Please help me! I don't even know where to start :( my teacher took this question up on friday but i was sick, and we have a test tomorrow! -Car A travels from Barrie to Subuiry at an average speed of 90km/h -Car B travels from Subury to Barrie at an average speed of 80km/...
March 7, 2010
Could someone give me some advice on how to tackle this question please? Explain briefly why the changes in albedo and the other factors give rise to the changes in the GMST, relating your explanation to the water cycle. Is this an example of positive or negative feedback? ...
February 23, 2010
Hello, could someone help me with this question please? Explain how burning wood or coal to heat your house may contribute to global warming by altering the energy balance at the Earth's surface? Thank you
February 22, 2010
Alrighty, so i have to write a journal entry about a time in my life when i felt left out. one of the questions is Qu'est-ce que t'es arrive? I think I know what the question, but I have no idea how it relates to the topic. Could somebody please tell me what the ...
February 11, 2010
Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source if you want the ...
January 21, 2010
Thank you! That really helped. Now I'm getting an answer of 34 which seems reasonable, according to what the question is asking. Also, if you don't mind answering, how would you know to use the exponential decay equation or the linear equation? Are there certain ...
January 21, 2010
A sheet of 6 cm in thickness causes the original intensity to decrease to 59% of its original value. You are trying to build a soundproof room that reduces sound coming in and out by 95%. That is, the intensity after crossing the walls is only 5% of the initial value. What ...
January 21, 2010
Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...
January 21, 2010
You are 10 m away from a sound source of intensity comparable to the background noise in a very quiet room (20 dB). If you want the intensity in dB to double, you must move to a distance ... A) 100 m B) 20 m C) 7 m D) 5 m E) 1 m the answer is 1 m, but I'm not sure how to ...
January 20, 2010
Managing Working Capital. A new computer system allows your firm to more accurately monitor inventory and anticipate future inventory shortfalls. As a result, the firm feels more able to pare down its inventory levels. What effect will the new system have on working capital ...
January 13, 2010
Intro to Chemistry
How many milliliters of 5.50 M H2SO4 must you use to prepare 500.ml of 0.2 M sulfuric acid solution? I know I need to use the formula M1V1 = M2V2 but I'm not sure how to calculate the problem?
December 23, 2009
List examples of tangible and intangible forms of organizational culture. Which form of organizational culture is the most powerful agent for influencing ethical behavior by employees in human service organizations?
December 9, 2009
hi! uhmm i am working on quotes right now. i have to identify who the speaker is and then state the significance of the quote to the play (shakespeare) i was just wondering if somebody could give me some points on how to write significance? thanks!
November 30, 2009
the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?
November 19, 2009
So i did a science lab today, and i am supposed to come up with the skeleton equation for it The chemical reaction is decomposition (starting with one compound that will break off into 1 or more compounds after reaction) This is what i have so far : Cu (CO3) ---> CO2 + ____...
November 5, 2009
Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 28.6 ...
September 27, 2009
this is kinda a silly question, but not really. I am trying to get the correct spelling for an illness. Menengium ?? it is when the membrane swells. it causes terrible migranes, stiff neck and can also cause a fever. you can have it as viral, or bacterial. can somebody please ...
July 17, 2009
Okay. so say their is a list of numbers: x y 0 3 1 5 2 7 3 9 4 11 I know how to answer a question like "use an equation to figure out Y when X is..." but how do you figure do " figure out X when Y is" ? I konw that the formula is y=mx+b but i don't know...
May 26, 2009
Okay. So i am getting frusterated I was given a math sheet. On it has the anwsers. I have tried to get my answer to match up, but I can't get it. COuld somebody please help me? 10-(2y-6)-y y is 8 *The answer is -8.* Thanks!!
February 25, 2009
for every 8cds sold, there were 12 dvds sold. a combined total of 70 cds and dvds were sold. how many cds were sold that day? write a proportion to show the relationship and solve it to find the number so cds sold
January 25, 2009
it was to do with immigration to Canada. so like...uh. i duno. my teacher makes no sense. This the question : What does person suitability mean? yeah. i'm really confused...and my exam is comming up!
January 24, 2009