Questions Asked on
October 3, 2009

Chemistry
Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93 g/cm^3.
asked by Anonymous 
chemistry.
Calculate the percentage by mass of nitrogen in PtCl2(NH3)2...can anyone help me.??
asked by Denmark 
Chemistry
Convert 4.3 kPAxmm^3xs^1 to mJxs^1
asked by Jesu 
Science
Do you know of a web site that has the geographic locations of these biomes? Tundra Taiga Temperate Deciduous Forest Rainforest Temperate Grasslands Wetlands Desert Streams, Rivers & Estuaries Lakes & Ponds Coral Reefs thanks for the help:)
asked by Nicky 
Math
Hello, I have trouble doing this problem: Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 40 minutes. If she could increase her average speed by 1km/hr, it would reduce her time around the loop by 6 minutes. How many
asked by Stella 
chemistry.
The relative mass of aluminum chloride is 267 and its composition by mass is 20,3% Al and 79,7% chlorine. Determine the empirical and molecular formulas of Aluminum chloride.
asked by Denmark 
MATH HELP PLEASE
The floor of a rectangular room is to be tiled with 1/3 foot square tiles along a 10 5/8 foot wall. How many tiles will be needed along the wall?
asked by Anonymous 
MATH
Joan can mow a 10acre field in 5 hours. How long would it take her to mow a 3.8acre field?
asked by SUE 
MATH
Find the word form 0.007 a. seven hundredths b. seven tenths c. seven thousand d. not given I selected a. seven hundredths
asked by Ross 
UNM
In an airconditioned room at 19.0C , a spherical balloon had the diameter of 50.0cm . When taken outside on a hot summer day, the balloon expanded to 51.0cm in diameter. What was the temperature outside? Assume that the balloon is a perfect sphere and
asked by Monica 
science
Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data
asked by sammi 
maths
find the xintercept of the graph of the equation: 1. 4x5y=8 2. 3y10x=4 answers that I got: 1. x=2 2. 2/5 ___________________________________ find the yintercept of the graph of the equation: 3. 712x=3y 4. 4y+9=5x my answer: 3. 2 1/3 4. 2 1/4 can you
asked by regina 
algebra
you rollerblade at an average speed of 8 miles per hour. the number of miles m you rollerblade during h hours is modeled by m=8h. do these two quantities have direct variation? please help me with this. thank u
asked by sheryl 
algebra
Five times the smallest of three consecutive odd integers is ten more than twice the longest. Find the integers. The sum of three integers is one hundred twenty three more than the first number. The second number is two more than the first number. the
asked by Selenee 
MICROBIOLOGY
WHICH IS /ARE COMPLEMENTARY TO 5' AGGCUAAC 3' 1. 5'TCCGATTG3' 2. 3'TCCGATTC5' 3. 5'CTTAGCCT3' 4.3'TAAGCTTA5' 5. 3'TCCGATTG5' AND 5'GTTAGCCT3'
asked by PHIL 
8th grade
Direct Variation: when you have a job that pays an hourly wage, the amount you earn varies directly with the number of hours you work. Suppose you earn $7.10/ hour working at the library.
asked by Peter 
AP World History
Okay I have no idea how to group the documents without summarizing them individually in my DBQ essay. My essay prompt is that I have analyze the responses to the spread of Buddhism in China and add an additional document. Plus I need help with my thesis:
asked by Deanna 
MICROBIOLOGY
WHICH IS A RNA MOLECULE AGCCTAC GGGCCCA GCCCUUA
asked by PHIL 
Math
How would you write 90cm in scientific notation? 9.0 * 10^x
asked by Anonymous 
Planning
Negotiation/Delay/Refusal Skills  Assignment There are many ways to say “no” to pressure from a dating partner or peer. Some of the ways to do this are listed below. For each skill, write a "pressuring statement" or one for all of them, followed by a
asked by John 
Math
The distance that light travels in 1 year (a light year) is 5.88 x 10^12 miles. If a star is 2.4 x 10^8 light years away, what is the distance to that star in miles? How would you even begin the problem?
asked by Anonymous 
Spanish 1
what is "Trescientos"?
asked by Anonymous 
MATH
A rectangular field is to be enclosed with 1200 ft of fencing. If the length of the field is 40 ft longer than the width, then how long is the field?
asked by Marie 
English
In the following viewpoint, David B. Muhlhausen argues that capital punishment should not be abandoned because it deters crimes, saves lives, and the majority of American citizens support its use. Additionally, he maintains that evidence does not support
asked by ann 
medicine
what will be agood thesie and introduction and coclusion for education .
asked by debbie 
10th grade english( the kite runner)
What is a good example of assonance and alliteration from the the runner iin exact quotes?
asked by Brandon Boardman 
history
Rank the top five factors you think contributed to the outcome of the Civil War. This my question. 1. 1.The weather we lost more men by the harsh weather. 2.The North had more access to weapons then the south. 3.The south was out number, the north had more
asked by Sueann 
5th Grade Math
HELP PLEASE Bar Graph information is as follows: Aquariums At a museum On the left side of graph it shows the name of animals in the aquarium and on the bottom is shows capacity (in thousands of gallons) On the left the animals are as follows: 1.Shark 
asked by Lost 5th Grader 
maths
in 1992, a software company had a profit of $30,000,000. in 1998, the company had a profit of $210,000,000. find the average rate of change of the company's proft in dollars per year. I have no idea how to this. please explain stepbystep.. thnxx
asked by regina 
Statistics
For df = 25, determine the value of A that corresponds to each of the following probabilites: a. P(t > A)= 0.025 b. P(t
asked by Greg 
Statistics
From past experience, an airline has found the luggage weight for individual air travelers on its transAtlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The plane is consistently fully booked and holds 100 passengers. The
asked by JOSH 
Statistics
A simple random sample of 25 has been collected from a normally distributed population for which it is know that o=17.0. The sample mean has been calculated as 342.0, and the sample standard deviation is s=14.9. Construct and interpret the 95% and 99%
asked by JOSH 
MATH
IS THE SQUARE ROOT OF 21 A) 5 AND 6 b) 7 AND 8 c) 4 AND 5 d) 6 AND 7
asked by kRISTIN 
Science
how does cinder cone volcano flows? please help
asked by Tony 
English1A  need help on argument/thesis
Can someone help me with my argument/thesis? My introduction... let's see if this works. Gender myths Some people wear earrings, others do not. Some people wear nail polish, while others do not. Whatever the case is, there are some people, whether male or
asked by Kuromi 
english
outline major events and people in your life that helped or hindered you in your educational and personal growth. Describe how they influenced your thoughts, behaviors, values and accomplishments.
asked by krisha 
biology
the clinitest tablets specifically test for which of the following: starch, hydrogen peroxided, guaicol, peroxidase, or none of the above. Is the answer starch or none of the above?
asked by Anonymous 
Advance Biology
Briefly summarize the differences between the words or phrases in each of the following. A reaction without an enzyme and a reaction with an enzyme.
asked by Anonymous 
Chemistry
Cola contains phosphoric acid, H3PO4. In order to determine the concentration of phosphoric acid in 50mL of Cola, a precipitation reaction with excess silver nitrate was carried out. The product, silver phosphate, was dried and found to weigh 0.0576g. What
asked by Anonymous 
math
3,500 cm2=_____L and simplify 10lbs 28oz
asked by kRISTIN 
maths
write the equation in slopeintercept form. then graph the equation. 1. 6x4y=3 2. 2y+5x=10 can you please help me with at least one of them? thanks! also, where it says 'then graph the equation', I know we can't graph here, so you can ignore that. but if
asked by regina 
algebra 2
The are of a square can be represented by the polynomial 4x^216x+16. Find the length of a side of the square in terms of x.
asked by kimmy 
math
3500 cm2=________L
asked by kRISTIN 
MATH
hello The question is round to the digit underlined Add or subtract? 7 is the underlined digit. 7,5263,861. a. 4,000 b. 5,000 c. 3,000 d. not given
asked by Ross 
MATH
I THINK a. 4,000 is the answer am I right
asked by Ross 
Science
What are the dominant plants in the Tundra Taiga: Temperate Deciduous Forest: Tropical Rainforest: Grasslands: Desert: Rivers: Lakes & Ponds: Coral Reefs: Temperate Oceans: ? if you know of a website with the information that would be great!
asked by Natile Peterson 
math
Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and what is the probability of each event?
asked by Anonymous 
Genetics
Can chromosome instability cause an individual to be highly susceptible to cancer?
asked by Sarah 
Communication Studies
In the broader nonpolitical sense, can cultural and social conservation of "traditional" beliefs and world views even exist in the mass media dominated world of the 21st century?
asked by Alyssa 
Physics
What is the maximum speed with which a 1070 kg car can round a turn of radius 80 m on a flat road if the coefficient of static friction between tires and road is 0.80?
asked by Jennifer 
science
10 plants which are useful? and describe why they are useful. ive looked on google but i can only find aloe vera and sugar cane thanks
asked by adie 
math
find the numerical deriviative of the given function at the indicated point. use h=0.001. is the function differentiable at the indicated point? 4x x^2, x=0
asked by joclyn 
statistics
For the following data independent samples, could the null hypothesis that the population means are equal be rejected at the 0.05 level? Sample1 Sample2 Sample3 Sample4 15.2 10.2 14.9 11.5 12.2 12.1 13.0 13.1 15.0 8.5 10.8 11.5 14.6 8.1 10.7 6.3 9.7 10.9
asked by Jo 
10th grade English
This is my essay for the forum that I am attentding in few weeks time. The topic is shown below. Please make any corrections and check any awkward pharses A.S.A.P Thank you Can we balance Economic Growth and Environmental Conservation? Can we balance
asked by Andy 
Math 156
Determine whether the sets are equal only, equivalent only, both equal and equivalent, or neither equal nor equivalent {3,15} and { 3, 1,5}
asked by Anonymous 
algebra
14
asked by john 
Statistics
Safety researchers, interested in determining whether the occupancy of a vehicle might be related to the speed at which the vehicle is driven, have observed the following speed (mph) measurements for two random samples of vehicles. Alone With Pass 64 44 50
asked by Jo 
math117
Multiply (1x)(98x) the answer that I came up with is (x1)(x8) can some help me and if I am wrong help me to solve
asked by help 
math
Could someone please help me with this problem? The semester point totals of 16 students are listed below. Find the interquartile range (IQR). 787 639 820 677 475 601 531 650 583 684 875 507 599 460 543 490
asked by Aleah 
math
Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and P(D) = 2P(A), what is the probability of each event? Is the answer: P(A) = P(B) = P(C) =1/4, P(D) =1/2
asked by Aleah 
Sociology
What does the metaphor Path in the Snow mean?
asked by Kelly 
critically thinking
paper on drugs
asked by ann 
Algebra 1: Problem Solving
What is the number of degrees in the measure of the larger of two supplementary angles if the ratio of their measure is 4:5?
asked by Thea 
math
I don't understand this calculus problem at all. can someone show me step by step? Find all values of x for which the function is differentiable
asked by alison 
Math
???? divided by nine equals ten. also... eighty four divided by ???? equals forty two.
asked by Anonymous 
statistics
At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A
asked by Sharon 
social studies
what are the different agencies which govern tourism in jamaica
asked by amarion 
math
Determine whether there is a onetoone correspondence between the two sets. {Mon, Tue, Wed} and {Oct, Nov, Dec}
asked by Anonymous 
English
My mind flashed back to the day I placed my own son in a rehabilitation program when he was 15. I could feel the heavy, painful ache as I recalled the door with metal bars clanging shut and locking behind me. I felt the same knot in my stomach and the lump
asked by ann 
statistics
State the value of the correct region for alpha = 0.01
asked by MBAhopeful 
statistics
A professional basketball player has embarked on a program to study his ability to shoot foul shots. On each day in which a game is not scheduled, he intends to shoot 100 foul shots. He maintains records over a period of 40 days of practice, with the
asked by MBAhopeful 
PreCalc
Here I am again stuck with another geometry type question. Here goes: A rectangle is inscribed between the xaxis and the parabola y=36x^2 with one side along the xaxis. He drew the picture with the parabola at points (6,0) (6,0) (0,6) the rectanle is
asked by MUFFY 
Physics
momentum equals = mass (velocity) yet for problems I end up using this P = m (delta v) what allows us to simply put the delta infront of the v to find the momentum?
asked by Physics 
art
explain the importance of principles of design in building multistory buildings. cite examples of any two famous buildings of world.
asked by Anonymous 
science
what are the common place copernicum or ununbium are found in
asked by dave 
Pre Calc To Reiny  Follow up on PreCalc Answer
PreCalc  Followup for Reiny  MUFFY, Saturday, October 3, 2009 at 10:27pm I wasn't sure if you would notice my question since it is so much later so I resent this as a new question. Please let me know if I shouldn't do that. I understand how you got a
asked by MUFFY 
science
what are place to find the element ununbium or copernicium
asked by dave 
English  ann
Your post has been removed. Once you write up YOUR THOUGHTS, please repost, and someone here will be happy to comment.
asked by Writeacher 
statistics
Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 250 stereos are purchased and 1% are found to be defective. From Company B, 950 stereos are purchased and 10% are found to be defective. Given that
asked by rose 
artist
what is the name of the museum where the mona lisa is?
asked by Selenee 
algebra
you rollerblade at an average speed of 8 miles per hour. the number of miles m you rollerblade during h hours is modeled by m=8h. do these two quantities have direct variation?
asked by sheryl 
Geography
22. Most of the countries on the Balkan Peninsula have a a. Mediterranean climate b. humid continental climate c. highland climate d. tundra climate C? 28. Which of the following explains how Czechoslovakia was divided into the Czech Republic and Slovakia
asked by mysterychicken 
math
simplify 10 lbs 28 oz
asked by kRISTIN 
math
math ? FIND THE VALUE OF 5  35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected  b. five thousand correct? or not?
asked by Ross 
english
How might you explain to a new student of English what is happening in such sentences as these? Terry is in the library. Terry may be in the library. Terry might be in the library. Terry might have been in the library. Terry could be in the library. Terry
asked by Sarah 
Geography
These are my already asked questions that I didn't find an answer to [I'm not sure why] Can someone please help with them, because my exam's due monday. 2. How has human settlement affected the natural vegetation of Western Europe? a. People have carefully
asked by mysterychicken 
math
simplify 9qt 9pt
asked by kRISTIN 
6th grade
I need simple subject and simple predicate for the following sentence. The first movies were different from today's films.
asked by Maureen 
math
identify the rate in the following statement 27% of 500 is 135
asked by kRISTIN 
BIOLOGY
Botulism (a toxin produced by bacteria that causes food poisoning) and curare (a natural poison) inhibit the action of acetylcholine. What symptoms would you expect to find in someone exposed to botulism or curare? Provide an explanation for the symptoms.
asked by Lucy 
Sex Ed
1. Identify different types of media that display sexual images. Videogames Movies Magazines Internet 2. What does the media teach us about women's sexuality? Good looking, slim bodies with huge breasts and angular jawbones and absolutely no hair on their
asked by John 
Chemestry
A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume
asked by Monica 
Geography
I have to write an essay on this topic: In an essay, discuss the causes of discontent between Catholics and Protestants in Ireland and the significant events in this drama. Be sure to include dates throughout your essay in order to create a timeline of the
asked by mysterychicken 
math
identify the rate in the following statement 27% of 500 is 135
asked by meia 
english1A  argument/these
Oh shoot. I keep forgetting to change my Word document to a text document. for some reason it doesn't post here if I don't. My introduction... let's see if this works. Gender myths Some people wear earrings, others do not. Some people wear nail polish,
asked by Kuromi 
chemistry
A 1L flask is filled with 1.25g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.45amt .What is the partial pressure of argon, Par, in the flask?
asked by Monica 
chemistry
what it the anaylis of heating copper corbonnate
asked by lewis 
religious education
i need to write an essay about is religion sexist? i need to include christianity sikh judaism . thankyou
asked by star 
english1A need help with my thesis
Ok I think I was going the wrong way with my Gender topic. I think I should write about how times have changed and society evolved, women and men do not perform their traditional roles as they use to and do not dress the same as they use to. And women go
asked by Kuromi 
social studies
write an essay on: "Descendants of A frica slaves have experienced a higher standard of living if they had been born in Africa" .How true is this statement?Elaborate.
asked by anisha 
social studies
Read the following scenario: You are a secondgrade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3
asked by tammie 
MATH
WRITE A PROPORTIAN THAT IS EQUIVALENT TO THE STATMENT : IF 3 GALLONS OF GASOLINE COST $5.37, THEN 8 GALLONS WILL COST $ 14.32.
asked by kRISTIN 
soc
What does the metaphor Path in the Snow mean?
asked by Kelly 
math
if a car has an initial velocity of 103m/s and acclerates at 1m/s for 3 seconds what will its final velocity be
asked by alex 
math
if a vehicle travels with a constant acceleration of 3km/hr for 5 hours, what was its intial velocity if the final velocity was 100km/hr
asked by alex 
statistics
Two flower seeds are randomly selected from a package that contains five seeds for red flowers and three seeds for white flowers. a.) What is the probability that both seeds will result in red flowers? b.) What is the probability that one of each color is
asked by Sharon 
English
What is a marginalized character?
asked by Monica 
social studies and language arts
Read the following scenario: You are a secondgrade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3
asked by tammie 
Travel and Tourism
I need help with this one question with two parts... Describe the traditional role of a travel agents and tour operators compared to thier current operation?
asked by Evey 
Science
What does life need?
asked by Emma 
Business
What are the four characteristics of the internal alignment of any compensation strategy?
asked by Sita 
CRT 205
your response to the following: Of the two arguments provided in the digital story, which is valid and which is sound? When you are building an argument for an issue that is significant to you, do you think it is more important to be valid or sound?
asked by Anonymous 
Civics Project
I have to do a project on facts about the average president. Does anybody have a good web site?
asked by Anonymous 
math
find the missing length of the right triangle one side is 20 and th other side is 48?? help
asked by kRISTIN 
calculus
evaluate if possible the function at the given values(s) of the independent variable. Simplify the results. f(x)= square root x+5 (a) f(4) (b) f(11) (c) f(8) (d) f(x+deltax)
asked by kim 
soc
What does the metaphor Path in the Snow mean?
asked by Kelly 
Math
How would you write 90cm in scientific notation?
asked by Anonymous 
math
is the following set of numbers a perfect triple? 13,15,18
asked by kRISTIN 
statistics
Share the value of the correct region for alpha= 0.05
asked by MBAhopeful 
statistics
A machine used for packaging seedless golden raisins is set so that their standard deviation in the weight of raisins packaged per box is 0.25 ounce. The operations manager wishes to test the machine setting and selects a sample of 30 consecutive raisin
asked by MBAhopeful 
history
What is socialism?
asked by matthew 
Physics
At what altitude above the Earth's surface would your weight be threefourths of what it is at the Earth's surface? Assume re = 6.371 10^3 km.
asked by Amanda 
optimization
While searching for the minimum of ƒ(x) [x2 (x 1)2][x2 (x 1)2] 1 2 1 2 we terminate at the following points: (a) x(1) [0, 0]T (b) x(2) [0, 1]T (c) x(3) [0, 1]T (d) x(4) [1, 1]T Classify each point. AND 3.17. Suppose you are a filldirt
asked by Anonymous 
algebra
ok im tring to find the slope intercept form of a perpindicular line so i can graph it heres the equation: (3,1) y=3x+7
asked by Blaine 
Math
find the xintercepts by factoring g(x)=x^427x I'm really confused. All I can think is to factor out one x, but that only makes the xintercept 0 and the answer is supposed to be 0 and 3. I don't understand what I'm doing wrong.
asked by Sami 
Math
The distance that light travels in 1 year (a light year) is 5.88x10^12 miles. If a star is 2.4x10^8 light years away, what is the distance to that star in miles? Answer in standard notation. I put the answer 141120000000000000000 miles and it says I'm
asked by Anonymous 
chemistry
why is iodine dissolved in alcohol and used as tincture of iodine on wounds?
asked by rudy 
7th grade math
last weekend,alans basketball team played in a tournament. alan scored 1/5of the teams points,his friend jake scored 30% of the teams points. what fraction of the teams points were scored by alan and jake?
asked by abby 
Biology
Which part of the neuron stores neurotransmitters? My answer was the dendrite filaments. Is this correct?
asked by Jake 
Physics
I agree with this and see were it comes from net force = (delta p)/t so momentum is conserved when net force equals zero... net force = (delta p)/t 0 = (delta p)/t however the following is not true 0 = (delta p)/t = P  Po were p is momentum and Po is used
asked by Physics 
english/writing
The sterotype of the homosexual, particularly the male, is one of promiscuity. Indeed, there is some basis for that sterotype; about half of all white mails in one study reported that they had over five hundred partners. However Riedmann (1995) esimated
asked by jerson 
English
My mind flashed back to the day I placed my own son in a rehabilitation program when he was 15. I could feel the heavy, painful ache as I recalled the door with metal bars clanging shut and locking behind me. I felt the same knot in my stomach and the lump
asked by ann 
algebra
im practicing simplifing expressions and have been given (9a9)5. should i use disstributing rule if not please explain how i would have to do this problem. thnx
asked by Kathryn 
English
The terrorist attacks of September 11, 2001, produced a response among American officials, the media, and the public that is probably matched only by the attack on Pearl Harbor in 1941. Since it is the very nature of terrorism not only to cause immediate
asked by Mary 
Science
What is the average yearly rainfall for Rivers: Lakes & Ponds: Coral Reefs: Temperate Oceans: ?? thanks:)
asked by Nicky 
8th grade
what are the major commercial fish caught in the bahamas and tell where they are caught
asked by Anonymous 
math115
Ms. Jefferson has been given a loan of $20,000 for 1 year. If the interest charged is $800, what is the interest rate on the loan?4% 2.A saleswoman is working on a 6% commission basis. If she wants to make $2,400 in one month, how much must she
asked by callie 
math115
Steve was charged $75.00 interest for 1 month on a $3,000 credit card balance. What was the monthly interest rate? Give you answer as a percentage, round to the nearest tenth of a percent. 2.5% 2.If $5,600 is deposited into an account paying 5.325%
asked by callie 
Ethics125
Assignment: Hispanic American Diversity Resources: Racial and Ethnic Groups, the University Library, and the Internet Due Date: Day 7 [Individual] forum Write a 1,050 to 1,400word research paper identifying the linguistic, political, social,
asked by KG