Posts by samantha
Total # Posts: 1,782

Alegebra
A physical fitness association is including the mile run in its secondaryschool fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds. Find the probability... 
english rules 2 anwers
idnt know scrabble 
math
use range 3.5 
random
tinkle little star 
Statistics
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the ... 
Statistics
during the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to vacation out of state ... 
Statistics
During the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run.In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to vation out of state for ... 
Statistics
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the ... 
math
x/4? 
math
what is synonym or related word for campaign? 
maths
1. 657 litres mm * 100 = answer * 10 2. 657 litres ml *1000 3. 54268g kg /1000 = 4.243cm2  m2 /100 a) 147  486 + 547 b)7(5) +4 (8) c)9 2/3 7 3/4 d)66 2/3 % of R900 e) 5/8 * 0,64 
maths
Due to delays in the finalization of contracts,building of a stadium commenced three months after the scheduled date. 1.1 If the original time for completion was set at 24 months,how much time was then available for completion. 2.2 Express the new duration as a ratio of the ... 
maths
Please help what is 66 2/3 % of R900 
Math (Algebra/PreAlgebra)
so you get... 3x = 24... so x = 8!!! Yay!!! thanks soooo much for answering all my questions! =]=]=] 
Math (Algebra/PreAlgebra)
What is the xintercept of the line with equation 2y + 3x = 24? What is the xintercept and how do I find it? I have to show work. Thank you! 
Math (Algebra/PreAlgebra)
so a = 11 and d = 3, so 23 = 11 + (231) 3. The 23rd term is 77 because 11 + 22(3) = 77 =] 
Math (Algebra/PreAlgebra)
thanks =] 
Math (Algebra/PreAlgebra)
What is the 23rd term in the arithmetic sequence: 11, 14, 17, 20...? All I need is the formula to find the it because I have to show work. Thanks. 
Math (Algebra/PreAlgebra)
Ok I think I get it... So it would be D then? Because if you got more people in the stands you would have less empty seats. Right? 
Math (Algebra/PreAlgebra)
For which situation would you expect to see negative correlation? A. The size of a pizza and how much it costs. B. The age of a whale and the amount of food it consumes. C. The street address for a home and the amount of mail it receives. D. The number of people at a game and ... 
Math (Algebra/PreAlgebra)
That makes so much sense! Thank you sooooooooo much! =] 
ALSO...
What's an identity? 
Math (Algebra/PreAlgebra)
Which equation is an identity? a. 3x  9 = 3x b. 4p + 7 = 7 + 4p c. 2w = 0 d. 5k = 5 
Math
I got an answer around 14 or 14 1/2... I'm not sure why its not letting you graph it. Try doing it on paper I guess and see if you get a reasonable answer. That's all I can suggest. 
Math (Algebra/PreAlgebra)
That is one of the choices so my guess is that that is correct. Thank you! =] 
Math (Algebra/PreAlgebra)
A book has been discounted 20% and now sells for $15. How much did it cost before the discount? 
Math (Algebra/PreAlgebra)
Thank you so much! That helps a ton =] 
Math (Algebra/PreAlgebra)
Ms. Caswell deposits $450 into an account earning 8% interest per year. How much simple interest is earned after 4 years? Please explain.. I'm supposed to show work =] thank you! 
spanish
When I broke the leg, the nurse called by telephone mother while medical me ___ plaster. a. it was putting b. it is putting c. it puts I'm pretty sure the only thing they are looking for is the correct tense for the answer. Each of the answers is the same word in a ... 
Math
It looks right to me... I would go ahead and say that's a good answer =] 
Math
What is the domain and range of 200/x + 2? 
spanish
umm... I think it's d. If it's D then it (directly) translates to Much people have a reaction allergic to the insect punctures. Otherwise I have nooooooo clue. 
spanish
the first sentence directly translates to "you hurt the arm?" The second sentence directly translates to "Then, I hurt myself _______" a. the elbow b. the knee c. the ankle d. the (frenillos?) 
spanish
sentence 1  "You were very ill last night, truth?" sentence 2  "Yes. When my parents arrived at house, you _______" a. he was breaking b. he was vomiting c. he was burning to me d. cutting to me 
spanish
question = what were doing when you saw the accident? answer = ______ the street. a. we were crossing b. we are crossing c. they were crossing d. they are crossing 
Chemistry
The question says write a reaction for the ionization of the following compound in water. Identify the acid, the base, the conjugate acid, and the conjugate base in each of them. 1. H2SO4 2. KOH 3. CH3COOH 4. NH3 5. HNO3 My guesses are: H2SO4 + H2O > H3O+ + HSO4 KOH + H2O... 
9th grade
1. when nonhuman things are given simple human characteristics, this is an example of what? 2. however, when nonhuman things are given the ability to think, talk, and act consciously like humans, that is an example of what? 3. in what pointofview is the narrator outside ... 
Chemistry
I am super confused when it comes to these types of questions! Can someone check my work? None of my answers matched those of my teacher when she read them this morning for last night's homework. Please help! 1. Consider the following equilibrium reaction: 2PH3(g) <>... 
(8th)English, Research Project
Thank you. I was looking at wikipedia, but I overlooked the paragraph that told about how he influenced and affected people and society. If it wouldn't have been pointed out, I would more than likely have overlooked it at least ten times. 
(8th)English, Research Project
I have found plenty of information for the main parts of the paper, but I have not been able to find how he positively affected society. 
(8th)English, Research Project
I am researching C.S. Lewis, and I have to write a research paper on him. However, I don't know where to look for information on how he positively affected society. Even if I get the information, I am unsure about how to write the thesis statement. 
math
Explain why 100=10 but 0 divided 10=0 
math
Explain how you know that 45 divided 0 cannot be done. 
HELP, Please, DUE TOMORROW!!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it? 
Math :(
thank you so much now i can turn it in with the right answer!!!! 
Math :(
When football was played in Florence, Italy, in 1530, there were 30 more layers on the field than there are in football games in the United States today. How many players were on the field for each team in 1530? 
SCIENCE!! YIKES!!
THANK YOU!! 
SCIENCE!! YIKES!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it? 
Math
12.5% or 12 and a half% 
Social Studies
Describe the political, social, economic conditions in the U.S in the 1800's 
Chemistry
Determine the correct oxidation number assigned to carbon in CaCO3 
geometry
can someone help me woth solving special segments in a circle? 
History
Can you please explain these last two things for me. Thank You One way governments pay for war is to raise taxes (which in turn reduces civilian spending and investment). What does the part in the brackets mean? Most wars create zones of intense destruction of capital such as ... 
History
what does least amount of read tape mean? 
History
Can you please explain to me what these two things mean? I don't even have an idea. Thank you War generally induces patriotic citizens to work harder for less compensation. War also sometimes clears away outdated infrastructure and allows economywide rebuilding, ... 
math
c+5=18  3 c=? 
Math
k thanks 
Math
see we done that and i get it but im still a bit confused try giving me a problem and i will figure it out. 
Math
Could someone please explain to me how you get answers when you add a negative number to a negative number or a positive number to a positive number or a negative and positive number added together, because my teacher tried explaining it to me, but I'm completly lost. The ... 
Math
thanks for your help. 
Math
When you add a positive integer and a negative integer, you sometimes get a negative result and sometimes get a positive result. Is the same true when you multiply a positive integer and a negative integer? 
Geography
Ok thanks. 
Geography
well i thought latin america was only made up of one continent, plus my wordsearch only has three latters and the first letter begins with an O. 
Geography
Its ok..haha...is there only one? 
Geography
How many continents are in Latin America? 
Geography
Country north of Central America. If you can help me out with this, it will be well appritiated thanks. 
Geography
Thanks. 
Geography
Well I'm doing a crossword puzzle for my class, and it has 6 letters and the first letter begins with a R and the fourth letter is an I...if that helps any. 
Geography
Do you know what's Brazilian coastal city? If you can help me out with this, it will be well appritiated thanks. 
Geography
Thank you very much I knew that was it haha. 
Geography
is it peninsula? 
Geography
Well, I'm doing a crossword puzzle for school and it has 9 letters, and the 5th latter is an N, if that helps any.. 
Geography
Type of landform between the Gulf of California and Pacific Ocean. If you can help me out with this, it will be well appritiated thanks. 
Chemistry
I got 89.1 mmHg. 
Language Arts
_________ __________ help you "see" or "envision a play" (drama) you read. If you could help me out with this answer it will be well apriciated, thanks. 
college math
one number is 8 more than twice another. their product is 8 more than twice their sum. find the numbers 
Reading
What stinks when alive but smells good when dead? 
Chemistry
How would you calculate delta H for the following reaction: 2P + 5Cl2 > 2PCl5 Given: PCl3 + Cl2 > PCl5 Delta H=87.9 kJ 2P + 3Cl2 > 2PCl3 Delta H=574 kJ I have no clue how to do this since I was absent. Can someone help? 
math
convert these decimals into common fractions 0,33 
maths
help me simplify this 3/4*1/5*3/10 and 6 2/3 / 10/21 
maths
how do i convert this decimal 5,2 into a common fraction 
maths
how do i convert decimal fraction into common fraction 
5th grade science
How much faster does sound travel through water than through air in one second? 
Philosophy 130
What ought you to do for a pregnant woman who asks your help in getting to the hospital, according to your understanding of the main ethical theories, i.e. egoism, universal consequentialism(utilitariansim), and Kantian deontological theory? Suggested length: 24 paragraphs. 
Chem
Some very effective rocket fuels are composed of lightweight liquids. The fuel composed of dimethylhydrazine (CH3)2N2H2 mixed with dinitrogen tetroxide was used to power the Lunar Lander in its missions to the moon. The two components react according to the following equation... 
General ?
What does nonprofit faith based facility mean? 
algebra
5.A) Kwame sells ice cream cones at the country fair. He has to rent the equipment for $29 and spend $0.43 on ingredients for each cone. How many ice cream cones must he sell at $1.10 each in order to make a profit? A)Wrie an inequality that represents how many ice cream cones... 
French
Can someone check my letter? We had to write it even though not all students got their letters for some reason, so it is kind of short. Also, can someone tell me some ways to add the future tense and the subjunctive a little more? I want to show what I have learned since the ... 
chemistry please
if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^5)(.04L ethanol)? 
French
How would you say 'hidden talents' in French? Would it be something like "Estce que tu as des talents caches?" (With the accent, I'm on a laptop and it won't let me type it" 
Chemistry
Vinegar is 5% acetic acid. If the density of household vinegar is approximately 1.00 g/mL, how many grams of acetic acid are contained in 10.0 mL of vinegar? So I started out with 10.0 mL of HC2H3O2 then multiplied by 1.00g/1mL. What do I do next? Is it done there? 
physics
Which is denser, ice at 0 degrees C or water at 4 degrees C? i know water is densest at 4 degrees C, but im not sure if ice is denser. 
Science
During photosynthesis, plants produce something that humans need for survival. What is it? 
Science
I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I? 
Chemistry/Physics
yes but T is affected volume and pressure changes according to the ideal gas law 
Chemistry/Physics
A Sample of gas is held at constant pressure in a cylinder moved by a closed piston. If the volume is halved, how will the new Vrms speed compare with the old one? a) square root of 2 times greater b) the same c) 2 times greater d) 4 times greater e) none i think its e because... 
social studies
thank you 
social studies
which of the following statements best describes kennedy's point of view? a.the only way that people can influence their government is by writing letters to their elected officials. b.you are not a citizen unless you vote. c.voting effects everyones future. d.government ... 
algebra
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch train A? 4:30 pm I am ... 
algebra
Thank you sooo much!