Questions Asked on
October 23, 2008

physics
a 200kg sailboat experiences an eastward force of 3000N by the ocean tide and a wind force against its sails with magnitude of 6000N directed toward the northwest (45 degrees north of west). what is the magnitude of the resultant acceleration?
asked by Steph 
physics
In an oldfashioned amusement park ride, passengers stand inside a 3.0mtall, 5.0mdiameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing
asked by Matt 
Chemisty
LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C?
asked by Jessica 
5th grade social studeis
what types of geographical features helped settlements grow and succeed? why?
asked by torianna 
Accounting
Harding Company is in the process of purchasing several large pieces of equipment from Danning Machine Corporation. Several financing alternatives have been offered by Danning: 1. Pay $950,000 in cash immediately. 2. Pay $420,000 immediately and the
asked by Eyob 
space
from 1700 to 1800 the greatest number of sunspots was just over what
asked by missy 
Math
The product of three consecutive odd numbers is 6,783. What are the numbers?
asked by Tina 
english
IDENTIFY THE PARTS OF SPEECH IN THE FOLLOWING SENTENCE. I usually go swimming with my best friend and his rather unusual girlfriend. a) I  personal pronoun  countable (I is the subject in this sentence) b) usually  adverb (indicates frequency) c) go 
asked by Tony 
physics
A fish takes the bait and pulls on the line with a force of 2.7 N. The fishing reel, which rotates without friction, is a cylinder of radius 0.048 m and mass 0.76 kg. (a) What is the angular acceleration of the fishing reel? ? rad/s2 (b) How much line does
asked by kelsey 
physics 2, help please
Two masses (mA= 2 kg, mB= 4 kg) are attached to a (massless) meter stick, at the 0 and 75 cm marks, respectively. c.) Now, if mass B was removed, how much force would need to be exerted at the 100 cm mark in order to keep the meter stick level*? ? N d.)
asked by kelsey 
chemistry
If a 5.26g sample of copper at 258 °C is placed in 125 mL of water at 21.0 °C, how hot will the water get? Assume no heat loss to the surroundings. The specific heat of copper is 0.385 J/g °C.
asked by Lilit*** 
History
What are some pieces of information for WW1, for Russia in Modern warfare and Trench warfare?
asked by Jessica 
calculus I
find a and b so that f(x)=x^2+ax+b has a local min at (6,5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=12 but i can't seem to get the correct value for b. i plugged 5 into the original function, but my book says the answer
asked by kate 
poem
what is the shrike by sylvia plath about? When night comes black Such royal dreams beckon this man As lift him apart From his earthwife's side To wing, sleepfeathered, The singular air, While she, envious bride, Cannot follow after, but lies With her
asked by anonymous 
Chemistry Please HELP
A 1.082 g sample of a component of the light petroleum distillate called naptha is found to yield 3.317 g CO2 and 1.584 g H2O on complete combustion This particular compound is also found to be an alkane with one methyl group attached to a longer carbon
asked by Saira 
physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa
asked by tom 
inter
4. Canning Transport is to move goods from three factories to three distribution centers. Information about the move is given below. Give the network model and the linear programming model for this problem.Canning Transport is to move goods from three
asked by igv 
college calculus
find a and b so that f(x)=x^2+ax+b has a local min at (6,5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=12 but i can't seem to get the correct value for b. i plugged 5 into the original function, but my book says the answer
asked by kate 
science
i'm not sure witch statement is true .The earth has a stronger gravitational pull than the Sun because it is smaller in mass. .Planets would travel in a straight line if it weren't for the force of the Sun's gravity. .The Sun's gravitational pull is weaker
asked by Alie 
maths
the straight line l1 has equation y=2x+3 the straight line l2 is parallel to l1 l2 passes through the point (3,2) find an equation for l2
asked by alex 
physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa
asked by tom 
vocabulary
how do u use vanguard in a sentence?
asked by Jason 
physics
A spelunker drops a stone from rest into a hole. The speed of sound is 343m/s in air, and the sound of the stone striking the bottom is heard 1.46s after the stone is dropped. How deep is the hole? What is it in meters
asked by jean 
Science
Explain what happens in the eye of the storm. Why can you survive the eye of the storm if you are inside and have shelter but instantaneously freeze if you are outside?
asked by Rachel 
Organic Chemistry
Why does caffeine have a larger Rf value than chlorophyll? If two compounds have the same Rf under identical conditions. Does this show that they have identical structures? Explain.
asked by James 
social studies
what types of geographical features helped settlements grow and succeed?why?
asked by torianna 
help needed
can anyone help me complete this... The development of the first citystates took place not on the fertile crescent buti n a remote island to the south of the greece which was completely lacking in _________.
asked by Anonymous 
physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa
asked by tom 
chemistry
If the warm water in this experiment is at 98 °C, how much heat must be released in order for the temperature of 100. mL of water to decrease to 32°C?
asked by Lilit*** 
math
s= ..... meters (1angstrom=10^10)
asked by john 
English
I need 6 people for this game. ... I have prepared sheets of paper. There is an English alphabet on each sheet of paper. It is a name tag. I'll paste two sheets of paper on your lothes:one on the back, and the other on the chest. You are A, Your are B.
asked by John 
Lit.
What is the criteria for "good poetry" set forth by Elizabeth Barrett Browning in Aurora Leigh?
asked by Sam 
math
The sum of two primes is 60. What are the numbers?
asked by Tina 
English
Ok. Its about syntax in the post. How does this look. Identify the parts of speech in the following sentence. I usually go swimming with my best friend and his rather unusual girlfriend I  personal pronoun  countable (I is the subject in this sentence)
asked by Tony 
physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa
asked by tom 
eth 125
• Consider these questions: What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences? (Schaefer, 2006, p. 352) • Choose from any of the following topics when
asked by sally 
Math
Two numbers have a product of 676 and a quotient of 4. What are the numbers?
asked by Tina 
algebra
2/17 + p = 2/15
asked by tasha 
Health and Disease
Post your response to the following: Write a 150 to 200word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies
asked by Crystal 
English
1. Write down #1 in the circle in the third picture. 11. Write down #1 in the circle of the third picture. 12. Write down #1 in the circle on the third picture. 13. Write down #1 in the circle related to the third picture. (Are the expressions above all
asked by John 
english
unscramble WRONTH to make a verb
asked by jack 
Math
Imagine there are 100 lockers. Each locker is given a number 1100. When the students are assigned to their lockers, the 1st student runds down the row of lockers and opens every door, student #2 closes the doors of locker #'s, 2,4,6,8, etc. to the end of
asked by David 
geography
Which city has the highest population in the northeast region?
asked by Cherry 
geometry
If B is between A and C, AB=5y+4, BC=7y3, and AC=20y7. Find the value of y, AB, BC, and AC.
asked by yessenia 
6th grade Language
Can you please let me knoe if I punctuated the follwing sentences correctly: 1. The War for Independence began in 1176, and it didi not end until 1781. 2. During this war, many men died, their death gained the freedoms that we enjoy today. 3.Thomas
asked by Mondrea 
GK or Dr.Bob222...Chemistry please help...
Please refer to the previous post Chemistry Help Please. Moles of S203^2 = (molarity)(volume): =(0.032400 mol/L)(0.053 litres S203^2) = 0.03240 moles S203^2 Posted by DrBob222 on Wednesday, October 22, 2008 at 9:37pm in response to GK..please
asked by Sara 
Math
Identify the rate in the following statement: 75 is 15% of 500
asked by Mary 
social studies
I am currently writing a report on the Gadsen Purchase, for school. Do you know of any sites that possibly could help?
asked by jo 
algebra
2/17+p=2/15
asked by Tina 
social studies
what types of geographical featurs of your community or region.how might they have influenced people to settle there?
asked by torianna 
chemistry
For the following reactions is delta Hrnx equal to delta Hf of the products : a. CaCO3(g)> CaO + CO2(g) b. 2Na(s)+ Cl2(g) > 2NaCl(s) c. C(s)+ O2(g) > CO2(g) d. CO(g)+ 1/2O2(g)> CO2(g) e. Na(s)+ 1/2Cl2(l) > NaCl(s) f. Na(s)+ 1/2Cl2(s) >
asked by Sara 
math
simply using positive exponents no calculator answers?
asked by keshia 
college algebra
On the graph, plot all relevant points for y=x^24x+3. Then give the equation for a graph that shifts up 2 units and to the left 3 units. If it is a function, give its domain and range. Thank you!!
asked by jenny 
English
Sitting in groups, listening to the explanation of your friend, let's play the "Finding Your Seat' game. For example, there are 6 students at the table. If the leader says,"Tom is between Bill and Sam.", they should change their seats. If Tom is sitting on
asked by John 
organizational behavior
Keep in mind the differences that exist between FMC Green River and FMC Aberdeen and continue to think in terms of the differences you see in both facilities for each of these three topics. For example, what are the differences in the work groups,
asked by Rose 
Com220
Create a fullsentence outline that includes effective arguments and counter arguments to support your thesis. (Note: Outline only the body of your paper.) Remember to avoid bias and fallacies and to include rhetorical devices that strengthen your writing.
asked by Ann 
science
i don't know if this is rite or not... Organic and inorganic compounds that the body needs for energy, growth, and repair are called ______________. is it RNA? or lipid?or simple sugar? thx if u help me out.
asked by Meherin 
calc I
f(x)=x^36x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^26. So the critical points are 1.4 and 1.4. The derivative is
asked by kate 
algebra
How do you divide a decimal by a whole number?
asked by Vanessa 
english
Can you help me write a paper describing a person to an m & m?
asked by Marco 
Algebra 1
what is the answer to this, please work it out. this is a fraction but i could not format it as such. Thanks! 5x(2)(squared)  10x 7x8  10x
asked by Al 
Math
solve [(root125)^4]^1/6. so far, I got (6 root root 125)^25 is this correct? Where do I go from here? how can I get rid of two roots?
asked by Luci 
french
AU BAZAR. ratus a des gouts bizarres. Au bazar de la ville, il choisit un pantalon rose, une chemise a pois et des bottes en lezard! Il enfile les vetements et les bottes. what does mean in English?
asked by michael 
Science PLEASE, this is due tomorrow for test!
What is the section of EMS of satellite phones? What wavelength and frequency does it use? are there any dangers in using it? What is the wavelength and frequency of pagers? are there any dangers in using it? Is there any danger in using cordless phones?
asked by Lily 
Chem
what effects on Ph and the Ka value does the hydration of an acid have? For example H2SO4 versus H2SO4*H2O
asked by Cole 
English
People attend school for many different reason for example,expanded knowledge, societal awareness, and enhanced interpersonal relationships. Why do you think people decide to go to school?
asked by Bryan 
space
what is the lighter colored region around the dark center of a sunspot called
asked by missy 
math
What is the difference between domain and range? Describe a real life situation that could be modeled by a function.
asked by johnny 
History
One main difference between the Articles of Confederation and the U.S Constitution was that the Articles were very weak and the people had more power than the government while the Constitution gave more power to the government. Are there any other main
asked by Harry 
math
can someone please help me, Rob is going to college in Oklahoma which is 680 miles from their his home in Tennessee. He can travel on state highways at 55mph or on the interstate at 70mph. Approximately, how much longer will his trip be if he takes state
asked by Julie 
math
a single die isrolled, find the probabilities of: a) P( an odd number greater than 1) b) P(number less than 5) c) P(the number 3 or 7)
asked by joey 
English
I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it We you they POSITIVE I live here We eat here. QUESTION When did you move here. What do
asked by Tony 
6th grade
I need to make a diorama of an ancient egypt commoners home. The web does not give me very much to go off of. I know they are two to three stories and the bottom level usually was the location of the business. I have not been able to find any pictures to
asked by Tristen 
Biology A
The process in which am amoeba engulfs its pray and takes it in is known as _________.
asked by Lizzy 
Math
If you have a grid (100 blocks) with two full shaded and one with 63 blocks shaded, what would the decimal and fraction be?
asked by Tracy 
college algebra
On the graph, plot all relevant points for y=the absolute value of x1. Then give the equation for a graph that shifts up 3 units and to the left 4 units. If it is a function, give its domain and range. Thank you!!
asked by jenny 
Criminal Justice
Write 200300 word response explaining the impact terrorism and cyber crimes have on interpreting the Fourth Amendment. Use a current event as a reference to help support the explanation.
asked by Gigi 
English
I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it we you they POSITIVE I live here We eat here QUESTION When did you move here What do
asked by Tony 
Math
Simply using positive exponents no calculator answers 256^3/4 25 kilograms =  miles(1mile=1609 meters) 45kg=lbs(1lb=453.6g) One angstrom is  orders og magnitude * than 10km 10^5angstro
asked by Odella 
History
What are the "checks and balance" between the three branches, executive, legislature, and judicial? I know that the executive can sign bills to make them laws but I don't know what the other two branches relate to that with the "checks and balance." Thanks
asked by Amy 
math
if the mean of a set of data is 23,must 23 be one of the data values?why?
asked by martha 
calc I
how do i find the critical points of the function g(x)=xe^x i think the derivative is xe^x*x^2e???
asked by kate 
Business
What is mobile electronics industry?
asked by Bryan 
chemistry
What approach do you suggest using to prevent your water sample from cooling off before you start your measurements?
asked by Lilit*** 
help me
under which operation is the set {1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction
asked by Anonymous 
math
Explain the difference between of a quantity and of a quantity. 56. Match the percents in column A with their equivalent fractions in column B. Column A Column B (a) (1) (b) 5% (2) (c) (3) (d) (4) (e) 60% (5) (f ) (6) 1 Explain the difference between 1/4
asked by nita 
english
hey can u help me with punctuations are these correct> having problems with pronoun agreement. My answer are the end of each sentence. 1. Each of the boys washed (their his) dishes. His 2. Jane and (me I) are going to the store, Mom! Me 3. (We Us) and our
asked by ben 
math
assume polynomial f has exactly two local maxes and one local min. what is the largest # of possible zeros of the function???
asked by joe 
4th grade
______ differences produce a variety of ecosystems
asked by Taylor 
9th grade english
Can you help write an extended metaphor comparing me to an m & m?
asked by Marco 
Math
minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence. (a) 1 ounce of Tostitos provides (
asked by nita 
math
Business and finance. Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24hour period. Julio samples about 120 bottles an hour and rejects the line he finds more than 1/50
asked by Joanne 
Literature Invisible man
doesnt the theme of mutual complex fate (modernism) go against the other theme of self reliance?
asked by Regina 
English  Language study
I'm doing an assignment on studying the language aspects of children's magazines. I've got my report drafted, and I've received written feedback from my teacher, but I'm unsure on how to justify. Here is what I wrote. How is the language structured? From
asked by TK 
math!
f(x)=x^36x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^26. So the critical points are 1.4 and 1.4. The derivative is
asked by kate 
french
AU BAZAR. ratus a des gouts bizarres. Au bazar de la ville, il choisit un pantalon rose, une chemise a pois et des bottes en lezard! Il enfile les vetements et les bottes. what does this mean in english?
asked by michael 
math
When do 2 and 2 make more than 4?
asked by brent 
math
the cost of a protein bar increased from $2.50 to $2.80.the percent increase in the $2.80 rate was how much?
asked by ashley 
Animal Science
We have to do a research project on reproduction in the following animals: rabbits, guinea pigs, hamsters, birds, and chincillas. We are having a hard time finding a website with the right information. We need to identify, the age in which these animals
asked by Lee and Ashley 
arithmetic
How do I get hours to perform task I have a rate of 28 per hour and 6245 transactions how many hours to complete
asked by Bev 
Vocabularay
First of all, look at the definition in the dictionary: Main Entry: van·guard Pronunciation: 'van"gärd also 'va[ng] Function: noun Etymology: Middle English vantgard, from Middle French avantgarde, from Old French, from avant fore (from avant
asked by Jason 
help me
how was it possible that "individual freedoms of citizens florised to a degree unprecedented in the nacient world?"
asked by Anonymous 
space
how old is our solar system
asked by sabrina 
English read my paper please
I have done the paper. can you please read if for me. How can i close it? i need a ending paragraph.
asked by Bryan 
Math
Ms Jordan has been given a loan of 2,500 for 1 year. If the interest charged is $275, what is the interest rate on the loan?
asked by Mary 
help
if u r making a bookcover about history of measurement can u say me what can be the title that i keep ...except "history of measurement"
asked by Anonymous 
help needed
i am making a bookcover related to the history of measurement can you help me give the title please......thank you
asked by Anonymous 
Geography
Hello, i have a map symbol to idientify and it looks like 3 watering cans quite small, do you know what Map Symbol it could be, please? Thanks
asked by Chanel 
health
what is the system that moves the body and maintains its form
asked by vicki 
Algebra
1 more than 4x =
asked by Tina 
algebra
42xy/54xy
asked by tasha 
spanish
when do you use TE, Me, LE,. please help me to understand when best to use them
asked by Toni 
homonym
what is the homonym for total and empty depression. permission and orally
asked by renee 
math
can someone please help me with my question below
asked by Julie 
Biology A
In a ______________ __________________ the concentration of the solutes outside and inside the cell are equal.
asked by Lizzy 
7th grade math
find each product 1 3/8 .2 2/3
asked by lilly 
science
I have to spell out HORNED OWL and write a description describing horned owl by each letter. Can you help me come up with something for O and D
asked by penney 
econ
in what ways do the reasons that explain the downward slope of the aggregate demand curve differ from the reasons that explain the slope of the demand curve for a single product?
asked by ari 
Math
How can I complete these 4 patterns: 17, ___, ___, 62, ___, 92 39, ___, ___, ___, 75, 84 57, ___, ___, 33, ___, 17 15, ___, ___, 33, ___, 45
asked by Kel 
gen105
I need hel for both classes on my las assignmet I need to create a student survival guide for gen 105. this is the assignment: Compile a 1,000 to 1,250word survival guide that will serve as a resource for you throughout your program. Using what you have
asked by jessica 
maths
Find the algebric expression for 15th term. 1 2 3 4 5 6 7 8 9 10 2 4 8
asked by celia 
math
how many 3/4 are there in 3 ?
asked by michael 
math
4/21 divided by 3 1/2
asked by Brad 
Science
Why is water used as a contant in many science experiments?
asked by Lauren 
Limits
Find the limit of sin4x/(sqrt(x)) as it approaches positive infinity.
asked by CJ 
languages
Is there a web site that can help students out, if they can not speak English?
asked by sally 
science
What is the wind cycle and water cycle?
asked by jay 
Math
I'm supposed to evaluate the following equation in the real number system f possible : (9)^1/2. The answer says it's not possible; why, I don't understand this.
asked by Luci 
science/density
which is the greater density? a)1 b)1.8 c)3 D)2.7
asked by bianca 
calc
calculate the critical points of f(x)=xe^x i plugged in zero in the derivative, and i got: e^0*0e^0 = 0 1*0= 0 so is the critical point zero then???
asked by kate 
social studies
I need help making a political cartoon. It needs to be about obama any help is greatly apreciated
asked by Kate 
math
what number has 26 and 6 as factors that are less then 85
asked by janiil 
Science
How does the body cool off on a molecular level?
asked by Jill 
science
how do the beads of sweat occur?
asked by Jill 
language arts
is being a rolemodel a person's trait
asked by lianna 
9 th grade social
which state established greece's most renowned democracy?
asked by Anonymous 
Math
what is 7/9 ÷ (5/6)
asked by Anonymous 
Science
Are black bears and white bears the same species? why or why not?
asked by Ana 
math
4th grade function tables with 2 variables Input output 5 12 8 24 11 36 14 48
asked by patricia 
math
How to find the domain and range of the function. 2Sgn(4x+8)1 Write an equivalent equation.
asked by Jennifer 
Goverment
What is the job of the President of the United States?
asked by Austin 
space
how many years marks the reversal of the suns magnetic field
asked by missy 
Good Bye To The Moon
Are there any new scientific disoveries on the eight planets???
asked by Jherica 
space
in this century what has been the solar cycle number
asked by missy 
math
simplify 7{[5(b4+16][3(4b3)+4]}=
asked by india 
business
What are the procedures for easement in civil court
asked by reba 
business
What can governments do to help in trade blocs in Asia?
asked by Beryl 
algebra
x/6=10 what does x stand for and I need help with 10t + t + 4/9t what is the value of t
asked by tasha 
Algebra
find the equivelent of d(69)
asked by tasha 
astronomy
Why could the mass of Venus not be deduced from Earthbased observations in the same manner as the masses of most other planets?
asked by mike 
5th Grade Math
How do you write 6,549,920 and 945,209? Thanks
asked by Mom 
Math
Thanks
asked by Sc 
math
3 coins are flipped, find the probabilities of: a) P(two heads) b) P(at most two heads) c) P(no heads)
asked by joey 
social studies
pseudopsychology and parapsychology
asked by mary 
just a question
why are the small events of life important to you? i say that how you treat the small everyday events of life is a microcosm of how you will handle bigger issues.
asked by Claudia 
math
consider a state lottery that has a weekly television show. on this show, a contestant receives the opportunity to win $1 million dollars. the contestant picks from 4 hidden windows. behind each window is one of the following: $150,000, $200,000, $1
asked by bret 
Biology A
Charged molecules pass through the cell membrane through _______________.
asked by Lizzy 
MATH
2p+54q=1080 where p = dollars / bicycle and q is the number of bicycles If the supply function for the bicycle is p38q=280 find the equilibrium point of (q,p)
asked by Eon 
English
I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON POSITIVE QUESTION I I live here When did you you We eat here move here he/she/it What do they eat We
asked by Tony 
social studies
can you tell me somthing that queen nefertiti did that was important?
asked by niki 
humanities
why was the religious legislation of feudal governments a succes
asked by angela 
science
what is consumed by photosynthesis
asked by kaltyn 
mathematics help me plz.....
under which operation is the set {1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction
asked by Anonymous 
Vocab
How do u use veer in a sentence?
asked by Jason