Questions Asked on
September 2, 2010

Physics (Circular Motion!!)
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 30.0 s to speed up from rest to its top speed of 1 rotation every 1.10 s. the astronaut is strapped into a seat 7.40 m from the axis. A) What is the
asked by George 
Mole fraction of a vapor pressure?
If 0.380 mol of a nonvolatile nonelectrolyte are dissolved in 3.00 mol of water, what is the vapor pressure P(H2O) of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 C. I got this answer correct: 21.1 torr A solution is composed
asked by Sar 
Chemistry
A gas has a density of 1.25 g/L at STP. What is its molecular mass?
asked by Alexis 
Math  4th grade
Draw and label the segment RT. Then what is another name for RT?
asked by Mia 
Calculus
Use the cross product to find the area of the triangle with vertices: P=(1,1,5) Q=(3,4,3) R=(1,5,7)
asked by Calvin 
Mole fractions in a liquid mixture:
Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mm Hg and the vapor pressure of ethyl acetate is 118mm Hg. the solution is prepared at 30 degrees C by dissolving
asked by Sar 
Physics
Consider a skateboarder who starts from rest at the top of a 14.6 mlong ramp that is inclined at an angle of 13.0° to the horizontal. Assuming that the skateboarder's acceleration is g sin 13.0°, find his speed when he reaches the bottom of the ramp in
asked by Fallon 
Vectors
Given the vectors below, determine the resultant and the equilibrant using trigonometry. Show all your steps. 330.0 newtons @ 125 degrees 250.0 newtons @ 60.0 degrees
asked by Victor 
Calculus III
Use the cross product to find the area of the triangle with vertices: P=(1,1,5) Q=(3,4,3) R=(1,5,7)
asked by Calvin 
Science
What physical process is being observed using spectroscopic measurements in Beer's Law experiment?
asked by Candice 
Chemistry
For each of the following, write a net ionic equation (modeled above). Wherever there is a precipitate, state the name of the precipitate (e.g “lead iodide” from above). Pop onto the net and see if you can find a description of the physical properties
asked by Noelle 
math
Choose the one alternative that best completes the statement or answers the question. Find the probability. The table describes the smoking habits of a group of asthma sufferers. NonLightHeavyTotal Men 311 82  74 467 Women 329 68  60 457 Total
asked by Sarah 
precal
A petri dish contains only two bacteria. The bacteria divide every half hour. How many bacteria will exist after 3 hours? I thought it'd be 12, but apparently not.
asked by Anonymous 
chemistry
A sulfuric acid solution containing 571.6g of H2SO4 per of solution has a density of 1.329g/cm3. Calculate (a) mass percentage (b)mole fraction (c) molality (d) molarity of H2SO4 in this solution.
asked by Anonymous 
7th grade
list 10 carees in home economics
asked by sharla 
science
How many cars are there in a long freight train if it take the entire train 2 minutes to pass a station as it travels at 40 miles/hour? Each car is 50 feet long
asked by paulie 
precal
The Census Bureau reported that the population of the United States in 1995 was 262.9 million. Referring to the statistics on the second page of the Background Information for Project 4, how many crimes committed in 1995 occurred in the South? The
asked by Anonymous 
vocabulary
a group of similar things together is called?
asked by Tim 
physics
An engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train
asked by ami 
Working With Conduit
The internal area of 2inch IMC is?
asked by Ben R. 
algebra
An airplane flies 750 miles due west in 1 1/2 hours and 750 miles due south in 2 hours. What is the average speed of the airplane?
asked by Mindy 
Chemistry: Raoult's Law
If 0.380 mol of a nonvolatile nonelectrolyte are dissolved in 3.00 mol of water, what is the vapor pressure P(H2O) of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 C. I got this answer correct: 21.1 torr A solution is composed
asked by Sar 
Vectors
Two vectors, A and B, are added by means of vector addition to give a resultant vector R. The magnitudes of A and B are 9 m and 8 m, respectively, and they can have any orientation. What are the maximum and minimum possible values for the magnitude of R?
asked by Victor 
precal
You can find the size of a population after t years using the formula N = No(1 + r)^t where No is the initial size of the population, N is the final size of the population, r is the rate of growth or decay per time period, and t is the number of time
asked by Anonymous 
physics
Two bicyclists, starting at the same place, are riding toward the same campground by two different routes. One cyclist rides 1100 m due east and then turns due north and travels another 1430 m before reaching the campground. The second cyclist starts out
asked by Anonymous 
UNIVERSITY COMPOSITION AND COMMUNICATION I
write 9 sentences about financial planning. Each sentence must demonstrate a different verb tense (so, only use each tense once). For each sentence, identify the subject, the verb, and the verb tense demonstrated. In order to receive full credit, you must
asked by dedo 
CHEM
A 60.0 sample of water is heated to its boiling point. How much heat (in ) is required to vaporize it? (Assume a density of 1.00 .)
asked by Anonymous 
Physics
A crow flies in two successive displacements to a point that is 80 m to the west. Its first displacement is 80 m in a direction θ = 50° west of north. What is the magnitude of its second displacement? What is its direction as measured by the angle θ
asked by Z32 
social studies
Name two states that extend futher south than louisiana
asked by Alex 
math
Hoshi walk 10 meters in 3 sec. a. what is her walking rate? b. at this rate how long does it take to walk 100 meters c. suppose she walks the same rate for 50 sec. how far does she walk d. wright an equation that represents the distance D that Hoshi walks
asked by jason 
physics
I have 2 questions: Assuming that water has a density of exactly 1 g/cm3, find the mass of one cubic meter of water in kilograms. Suppose that it takes 10.0 h to drain a container of 5700m3 of water. What is the "mass flow rate," in kilograms per second,
asked by Scott 
Public finance
Use utility theory explain why people ever leave all u can eat buffets
asked by Latasha 
algebra
Mr. Anders and Ms. Rich each drove home from a business meeting. Mr. Anders traveled east at 100 Kilometers per and hour and Ms. Rich traveled west at 80 kilometers per hour. In how many hours were they 100 kilometers apart?
asked by Mindy 
Chemistry
1. Engineers design air bags that deploy almost instantly upon impact. To do this, an air bag must provide a large amount of gas in a very short time. Many manufacturers use sodium azide, NaN3, to produce the gas in such a manner 2NaN3(s) 2Na(s) +
asked by Noelle 
History/115
Q: What were the negatives of the new market economy? What were the positives of the new market economy? How did the creation of a single market economy shape American values and the economy of today?
asked by Johanna 
algebra
The base of a triangle is 3cm grater than the height. The area is 14cm^2. Find the height and length of the base. Please show how you dervied at your answer.
asked by jackie 
chemistry
The price of a ream of paper is $3.30. There are 500 sheets of paper in a ream. If a sheet of paper weighs 0.500 oz, what is the price of a kg of paper (in dollars, do not include units, round to two decimal places)? What is the cost of one sheet of paper
asked by ashley 
ap us history
In the 17th century, New England Puritans tried to create a model society. What wew their aspirations, and to what extent were those aspirations fulfilled during the 17th century?
asked by Taliyah 
SCIENCE
The smallest of the earth's oceans is the _______ Ocean a) Pacific b) arctic c) indian d) atlantic e)lagon B
asked by pam 
math
what is 2 times 100000000000000000000000000000000000000000000000000000000000000
asked by === 
English Communcation !
A synonym for preparedness is what?
asked by Patty 
Algebra
4x  3/8 ¡Ü  7 or 4x  3/8 ¡Ý4 Can anyone show me how to work this problem I am lost it has to be done tonight
asked by Norma 
science
A team of 6 scouts plans to cross a lake on a raft they designed. The scouts have wooden beams with an average relative density of 0.80. The beams measure 30cmx30cmx3m. The average scouts' mass is about 65kg and for their safety, they want the top of the
asked by samantha 
physics
at on time, the velocity of a rifle bullet was measured using a ballistic pendulum made up of a wooden block suspended from a string. the block used here has a mass of 20kg. a 50g rifle bullet is fired into the block, penetrating it by 10cm and causing it
asked by dave 
french
Comparez les Example ;Michele est paresseuse. Agnes est travailleuse. Michele......[travaille]..>Michele travaille moins que Agnes. 1]Alain est bavard .Paul est timideAlain.....[parler]. 2]Marie est triste. Jacqueline est gaie >Marie......[s'amuser]
asked by babs 
precal
Find the area of a square whose side length is 1/4 the value of its area
asked by Anonymous 
college physics
A 3.00 kg ball is thrown vertically into the air with an initial velocity of 15.0 m/s. The maximum height of the ball is
asked by Anonymous 
physics
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?
asked by ashlee 
physics
A team of 6 scouts plans to cross a lake on a raft they designed. The scouts have wooden beams with an average relative density of 0.80. The beams measure 30cmx30cmx3m. The average scouts' mass is about 65kg and for their safety, they want the top of the
asked by mikey 
English
1. After school, I go to an academy and learn 5 subjects. On the midterm exam in the second semester, I can get a better grade. 2. I go back home as soon as I can, and I watch educational programs on EBS. I can study math and English effectivelt. 3. I like
asked by rfvv 
HCA 220
You are an allied health professional working with an endocrinologist. You have been working with the patient and need to update the doctor on the reason for the patient’s visit. Begin describing the patient’s concerns. Your classmates can continue
asked by Anonymous 
URGENT  Vectors
Two vectors, A and B, are added by means of vector addition to give a resultant vector R. The magnitudes of A and B are 9 m and 8 m, respectively, and they can have any orientation. What are the maximum and minimum possible values for the magnitude of R?
asked by John 
Science
A 5.0ml aliquot of a sample was transferred to a 25.0ml flask and acidified by addition of 2.5ml of 0.1M HClO4 and diluted to mark. 1.0ml of that solution was mixed with 5.0ml of 1 X 104M AYR(Aluminum)dye and 15.0ml ethanol in a 25.0ml flask and diluted
asked by Eileen 
math (college algebra)
Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP! (1) Solve the formula for the specified variable r = vx for r (the question is) v = ? a = 1/3f * p for f (the question is) f = ? (2) Solve the forulma for v S = D + vm
asked by Sam 
English
1. I do math, science, and English homework every day. 2. I do much / a lot of homework every day. 3. I do much homework every day such as math homework, science homework, English homework, Chinese characters homework, etc. (Are they all grammatical?)
asked by rfvv 
social studies
Marks: 1 At a public meeting, community residents will be able to comment on a proposal for a new city park. The live broadcast of the meeting will likely be a credible source of information about the meeting attendees’ feelings about the proposed park
asked by john 
English
1. I don't like this movie at all. 2. That makes two of us. 3. That makes three of us. 4. That makes four of us. (When can we use the expressions from $2 to $4? When another person agree to it, he can say #2? Right? When another person agree to it, too,
asked by rfvv 
math
chita is 3 3/4 years younger than pablo. if you multiply chita's age by 4, the answer is 43. how old is pablo?
asked by mi 
Algebra
MathMath thank for showing me my mistake. Bayside Insurance offers two health plans. Under Plan A, Sam would have to pay the first $200 of his medical bills, plus 35% of the rest. Under Plan B, Sam would pay the first $230, but only 20% of the rest. For
asked by Norma 
Chemistry
I have a test tommorow and I forgot how to do this: Caculate mass of Cr in 548g of K2Cr2O7. I remember putting 548g K2Cr2O7 (1 mol K2Cr2O7/294.2 g K2Cr2O7) then from there I forgot. I got 96.85 g Cr but that does not seem right. Could someone please tell
asked by Amy~ 
science
________ causes deep currents. a) Heavy, salty water sinking in the ocean. b) evaporation of seawater by the sun's rays c) less salty water rising to replace heavy, salty water d)all of the above d
asked by pam 
statistics
A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?
asked by laur 
life science
what are the characteristics that define living things
asked by whittney 
geometry
The length of a rectangle is 1 meter less than three times the width, the perimeter is 46 meters.
asked by ty 
math
if a sum of money doubles in 8 yrs, in how many years will it triple itself?Is the answer 16? If it is please tell me how to show the workings. I understood the concept but cannot express it.This is a simple interest sum.
asked by Susan 
Math
Solve each equation. 4x2+1=3 4x2+1=3 4x1=3 I get 4x=4 where x=1 But the answer is suppose to be 0,1 Where do you get the 0 from?
asked by Ronnie 
Algebra
Bayside Insurance offers two health plans. Under Plan A, Sam would have to pay the first $200 of his medical bills, plus 35% of the rest. Under Plan B, Sam would pay the first $230, but only 35% of the rest. For what amount of medical bills will Plan B
asked by Norma 
Physics
Help! I've been trying to understand this question for quite some time now and every attempt i make at it i get the wrong answer. maybe i'm just pluging the numbers into the equations wrong, but i always get the wrong answers. if someone can just breakdown
asked by George 
college
what quantity x of a 65% acid solution must be mixed with a 20% solution to produce 300 mL of a 45% solution
asked by Claire 
geometry
do u know of any object that has lines rays segments collinear points and coplanar points ?
asked by tamika 
history WWI
I don't understand this question: US ships were kept out of North Sea (which had mines) put by Britian. Was Wilson being inconsistent? I don't understand, Is the question asking if Wilson was inconsistent about keeping US ships out of North Sea or
asked by Amy~ 
math
If a vehicle gets 16 MPG and gas costs $2.70/gallon. How much would it cost to drive the vehicle 30 miles? Can someone help me find a formula to figure this out?
asked by lisa 
science
Which of the following groups of tissue types is found in blood vessels? A. Connective, muscle, and nervous tissues B. Muscle and nervous tissues C. Connective, epithelial, and nervous tissues D. Epithelial and muscle tissues I think it's C because I don't
asked by Derek 
ETH/125
Hello I am looking for some help with my Final for this class. Here is the assignment: Final Project: Race and Your Community Resource: Appendix A Due Date: Day 7 [Assignment] forum Prepare a 1,400 to 1,750word autobiographical research paper that
asked by Nikol 
math
tom was paid $4.50 per hour for painting a fence and $ 6.50 per hour for mowing grass. He worked 7 hours and earned $39.50. How many hours did it take him to paint the fence/
asked by mi 
AED 201
Use a Microsoft® Excel or Word table function to propose and create a schedule of schoolrelated tasks for a typical teaching day from the time you arrive at school until the time you leave school at the end of the day. Remember to take into account the
asked by Jasmine 
English
1. I spend a lot of time looking for things. 2. I spend a lot of time in looking for things. 3. I spend a lot of time while/as I look for things. (Does #1 mean #2 or #3?)
asked by rfvv 
algebra
The polynormial 0.041h0.018a2.69 can be used to estimate the lung capacity in liters of a female with height h, in cetimeters, and age a, in years. Find the lung capacity of a 40year old woman who is 190 centimeters tall. Round to the nearest hunderd.
asked by jackie 
English
How many activities did you have on Monday? 1. I had three activities on Monday. 2. I did three activities on Monday. (Are both answers correct? ....Thank you for your help. With your help, I can solve a lot of problems.....Have a good time.)
asked by rfvv 
Health
Create a PowerPoint® presentation of at least 9 slides outlining the major functions that distinguish the following U.S. health care settings, with an appropriate introduction and conclusion. My question is about this assignment, Does outlining the major
asked by Cassie 
science
circulation of ocean waters is called a) H.M.S.CHALLENGER b) current c)winds d) turbulence e) Eckman Spiral Just need to know if my answer is right or wrong. Thanks!!!!!!!!! :) B
asked by pam 
statistics
A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?
asked by laur 
6th grade math
You have 3 sandwich wraps. Show 3 different ways to cut the wraps to feed 9 people equally
asked by cici 
history WWI
the question asks me to explain why British blockade did or did not make Germany to continue submarine warfare. I thought it was "did" because it made Germany want to continue the warfare ? not sure
asked by Amy~ 
suffixes
answer the question with a complete sentence that uses a word from the spelling list. add a sufix to the underline word to create the correct word. Does Herb resemble his brother? the word from the spelling list is "rehearsal"
asked by ana 
Englsih
1. In later paintings, he painted people doing everyday things. 2. In later paintings, he painted people who are doing everyday things. 3. In later paintings, he painted people who do everyday things. (#1 can be changed into #2 or #3. Am I right? Which one
asked by rfvv 
6th grade
Simplify the following expression: 84/7(41)
asked by pat 
Math
When would you make a list to sove a problem?
asked by Brad 
Math
I need some help with this question. (5/x2) = (6/x+6) + {29/(x2)(x+6)} I don't know how to solve this. Can someone help me figure this out? Thanks.
asked by W 
Finance
Saturated Meat Corporation preferred stock is currently selling for $22 per share. The preferred dividend is $2.50 per share. If Jennifer requires a return of 10% on the preferred stock, should she invest in this stock?
asked by Joe 
Algebra
Bayside Insurance offers two health plans. Under plan A, giselle would have to pay the first $190.00 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $250, but only 20% of the rest. For what amount of meidcal bills will
asked by Norma 
History WWI
Do you think that Germany wanting an end to British blockade so that Germany would keep the Sussex Pledge reasonable. I thought not
asked by Amy~ 
geometry
i need example of isometric drawing
asked by cristian 
science
Is a wart an example of a papule or a nodule?
asked by Derek 
algebra
The mass of Neptune is about 1.03x10^23 metric tons. The mass of the sun is about 1.998x10^27 metris tons. About how many times the mass of Neptune is the mass of the sun? Round to the nearest thousandth, if needed use scientific notation. Use the
asked by jackie 
Abnormal Child Psychology
Phone surveys suggest that about____ of 10to 16  years olds experience physical and/ or sexual abuse. A. onetenth B. one fourth C. one third D. onehalf
asked by Anonymous 
science
because they help trap oxygen from the atmosphere in the water for animals to breathe, ______ are important to sea life.
asked by pam 
accounting help please?!
Nancy Sly wishes to sell her business and receives the following three offers:? 1. $568,000 cash immediately. 2. $200,000 cash now plus an annual installment of $60,000 at the end of each year for 10 years, a total of $800,000. 3. An offer to manage the
asked by Jay 
English
1. Let's not rush it. 2. Let's not rush it too much. (What is the meaning of these sentences? What does "it" refer to here?)
asked by rfvv 
Buisness  Finance
Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%:
asked by Joe 
SCIENCE
There are mountains, ridges, valleys, and plains on the ocean floor. a) false b) true true
asked by pam 
matematicas
hola, olvide mi libro matematicas sep y tengo tarea de la pag. 16. me podrias ayudar ¿
asked by jesus 
bus law
What is the chronological order of the major legislation that makes up the history of employment law in this country? For each law, state the social problem the law was designed to address, and discuss how employment law has affected the workplace in the
asked by kash 
Finance
Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%
asked by mark 
math
Sorry i could not understand log. Could you explain it in simpler terms? I am in class 7. The question was if a sum of money doubles in 8 yrs, in how many years will it triple itself?Is the answer 16? If it is please tell me how to show the workings. I
asked by Susan 
physics
A viaduct is being relevelled by using a jackscrew with a pitch of 5mm. The mass of the top slab of the viaduct is 20 tonnes (20000kg) and its length is 40m. The lever arm used to turn the jackscrew is 60 cm long. Calculate the effort force to be applied
asked by jenny 
french
La Verite—Le Mensonge 1]c'est vrai c'est juste c'est exact\c'est faux dire la verite \mentir un mensonge un menteur 2] cacher la verite decouvrir la verite [une decouverte] revelerfaire une revelation deviner une devinetteatruth lies
asked by babs 
french
Le souvenir l'oubli 1] la memoire un souvenir avoir une bonne \mauvaise memoire retenir une lecon apprendre\ savoir une lecon par coeur 2]se souvenir de quelquechose se rappeler quelque chose 3]oublier quelque chose de faire quelque chose un oubli etre
asked by babs 
science
Estimate the pH of water in equilibrium with CO2 with a concentration of .008867M. Use equilibrium concepts to estimate? Is Kc equilivate to the pH?
asked by Eileen 
business information system
ROI & NPV: wireless ordertracking system I need to identify the ROI and NPV of the wireless ordertracking system. Here is the information I have been given:  The acquisition cost is $35,000 paid at the time of installation.  It reduces the wait staff
asked by Beatrice 
algebra
The number N, in millions, of hearing impaired people of age x can be approximated by N=0.00006x^2  o1x + 1.1.Approximate to the nearest million the number of hearing impaired people of age 45 and 70.
asked by jackie 
science/acceleration
Due to a cart's sudden acceleration, a 200g wooden block remains on the front of the cart and does not slide or fall off. The mass of the cart is 10kg. The coefficient of static friction between the block and the front of the cart is 0.30. Calculate the
asked by dave 
Astronomy
Imagine that the Earth's axis were tilted parallel to the ecliptic plan like that of the planet Uranus. Describe how the seasons would be different in this scenario than what we currently experience.
asked by Dre 
math
USE THE NUMBERS 3, 5, 6, 2, 54, AND 5 IN THAT ORDER TO WRITE AN EXPRESSION THAT HAS A VALUE OF 100
asked by nini 
SCI/275
Hello, I would like for someone to read my Final for my class SCI/275. The assignment is: Final Project: Mitigation Strategies and Solutions (Due Sunday in the Assignment Section of eEcampus) • Resource: Appendix A • Use the topic you chose as an
asked by Cindy 
5th grade
What are compatible numbers?
asked by Anonymous 
algebra
solve for r a+ar=b+r Help! Thank you.
asked by Alex 
9th grade global history
In the book 1001 Arabian Nights what chapters deal with Humor through trickery of the innocent and Distrust of foreigners
asked by Alexa 
Math
How woud you factor the trinomial x(to the second power)9x+20
asked by Nichole 
Calculus III
Find an equation of the plane passing through the three points given. P=(5,1,1) Q=(1,1,2) R=(2,1,1)
asked by Calvin 
Algebra 1
if the border for the first bedroom costs $1.95 per foot,the second bedroom is $1.45 per foot, the third bedroom is $1.75 per foot, and the sales tax rate is 5.5%, what will the total cost be?
asked by Alie 
physics
A 3.00 kg ball is thrown vertically into the air with an initial velocity of 15.0 m/s. The maximum height of the ball is
asked by Anonymous 
science
Darwin, Australia has its coolest month in July, with an average temperature of 77'F. It has a dry season from May to October. The grassy areas nearby are home to cattle ranches. a) Tropical savanna b) Tropical rainforest c) Tropical monsoon d) Not
asked by pam 
college
Trains A and B are traveling in the same direction on perallel tracks. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 2:10 A.M. if train B passes the same station at 2:22 A.M, at what
asked by Anonymous 
Math
Find the x and y intercepts: 2x=3y+1
asked by Zena 
science
During a competition, a 60kg cyclist rides along a horizontal road on a bike with a mass of 5kg. During her ride, she changes gears and uses the chain wheel with a radius of 7.5cm and 36 teeth, and the rear sprocket with 18 teeth. The pedal handle is 20 cm
asked by samantha 
Science
In any good experimen, the scientist needs to the hypothesis
asked by Demy 
STATISTICS
DEPENDENT MEANS OF EXPERIMENTAL GROUP OF 20, MEANS OF 38, STD 3, CONTROL GROUP OF 30, MEANS 35, STD 5 SIGNIFICANCE LEVEL OF .05 IN HYPOTHESIS TESTING FORMAT
asked by GARY 
french
Vocabulaire 1]Donnez le contraire des phrases suivantes Il dit la verite.La population a augmente.Elle a critique le film .Je me souviens de cette histoire. Cette region est restee la meme. 2]Completez ces phrases Dans le desert du Sahel, l'eau
asked by babs 
french
PORTRAITS Le Francais moyen Lui ;taille;1,72m,Poids;72kg. Elle;taille;1,60m,Poids;60kg. Leurs yeux ;noirs ou marron a 55% bleus ou gris a 45% Leurs cheveux ;plutot bruns [les blonds sont en diminution] Decrivez ces personnes Existe til pour vous un type
asked by babs 
math
I need to do a quick check for my homework by tomorrow. Sally,Jennifer,Theresa & Gina competed in a 100meter race. Sally's time for the race was 12.330 seconds. Gina's time 12.034 seconds. Theresa's time was 12.003 seconds. Gina's time was 12.031 seconds.
asked by sherkyra 
french
Caracteriser les actions les adverbes a] elle travaille bien ,mal , vite. b] adverbes formes avec l' adjectif 1] adjectif au feminin +ment; correcte correctementjoyeuxjoyeusement 2]adjectif en i,ai, e, u, au masculin+ment; joli jolimentgai gaiment
asked by babs 
3rd grade
i was given a spelling words. than it say 'put the spelling words in a collage' what that mean pls help
asked by natalie 
6th Grade Math
How can you find an unknown factor in a multiplication problem? Is the answer: divide the two numbers that you have?
asked by Val 
math
What is clustering?
asked by Anonymous 
English
1. Stay on Cherry Street. 2. Keep going on Cherry Street. 3. Follow Cherry Street. 4. Take Cherry street. (Are they all the same in meaning? Does #1 mean that a person should stop on the street or a person should drive his car on Cherry Street?)
asked by rfvv 
algebra
how do you graph the function... f(x)=2^x over the interval 2 is less than or equal to x is less than or equal to 3. Help please! THANKS!
asked by Alex 
History WWI
the question is : would a "visit and search" policy be possible for the Germans? (this is about the unrestricited submarine warfare) I thought yes but then ... I don't know Another source said that it was not possible
asked by Amy~ 
math
3x9=27 3 is called a ____factor_____ 9 is called a ____factor____ 3 and 9 are called_______ ________ PLZ help thank you for your help
asked by ST 
history WWI
Would it be right for Germany to sink ships without warning if they fired upon the submarines? I thought yes
asked by Amy~ 
science
The diameter of a neutral helium atom is about 128 pm. Suppose we could lin up helium atoms side by side in contact with one anohter. Approximately how many atoms would it take to make the distance 1 cm from end to end.
asked by paulie 
science
Cagliari, on the island of Sardinia, receives almost no summer rain Its average summer temperature is 76'? and average winter temperature is 50'F What climate is it? a) humid subtropical b) not temperate c) Mediterranean d) Marine west coast c
asked by pam 
PYP 202
Your instructor asks you to compare positive and negative reinforcement and explain your conclusions in class. What will you report?
asked by Tom 
Math
A painter can paint a racquetball court in 8 hours. His assistant needs an additional 2 hours to paint the same court working by himself. How long will it take both of them working together to paint the court.
asked by Luanne 
2nd grade
it says i must skip count by 10 for 1100. then skip count by 3 for 1100. then it says what do i see when i skip count by 10 and 3 for 1100... i have no idea what they are talking about. plz help
asked by unknown 
geometry
Why the angles 86,35,39 are not acute?
asked by Frankie 
math
Solve each equation. What am I doing wrong because the answer is suppose to be 11/2 and I don't get the answer. Here's what I'm doing... Problem: 2x+1/43x4/5=1/2 I get: 10x+512x16=10 Which gives me 2x=21 My answer is 21/2 the correct answer is
asked by Ronnie 
chemistry
What is the pH of a solution that is .200M in acid and .500 m in the corresponding salt if the weak acid ka= 5.0x10^7
asked by Rae 
french
2Expression du futur Mettrez les verbes entre parentheses au temps qui convient Demain je [ revoir]Mireille.Elle m'[attendre]a 9 heures au Cafe des Arts. Nous [aller] dans maison de campagne des Dubos. Ils nous [emmener] visiter la region. Nous [passer]
asked by babs 
french
Remplacez les mots soulignes par un adverbe en ' ment' Example ;Il marche dans la rue se depecher. Il marche lentement1] Il a critique le film avec ironie. 2]Nous avons fete la nouvelle annee dans la joie. 3]Il a explique la situation sans s'enerver.
asked by babs 
science
Need to use hypothesis in a sentence and draw a picture relating to it. Was Ben Franklins flying a kite a hypothesis or a theory?
asked by sophia 
science
A viaduct is being relevelled by using a jackscrew with a pitch of 5mm. The mass of the top slab of the viaduct is 20 tonnes (20000kg) and its length is 40m. The lever arm used to turn the jackscrew is 60 cm long. Calculate the effort force to be applied
asked by christine 
Physics
A particle's initial velocity is −24.0 m/s. Its final velocity, 3.10 seconds later, is −14.0 m/s. What was its average acceleration?
asked by Nadia 
spanish
Identifica las contribuciones politicas de los Mexicoamericanos en los Estados Unidos. (2 ejemplos)
asked by Angela 
math
how many sevendigit numbers less than 1,048,000 can be made by using the digits 0,1,4,6,7,8,and 9?
asked by sammyris 
geometry
Make a conjecture about the next item in the sequence:26,18,54
asked by bob 
physics
How many molecules are in one liter (1000cm^3) of water
asked by Sarah 
English
1. Here is a checklist and some tips. 2. Here are a checklist and some tips. (I think #2 is right? Don't you think so? However, I could see #1 in a textbook. Is it right?)
asked by rfvv 
commas and apostrophes
what can you do to minimize errors when using commas and apostrophes in your writing?
asked by Anonymous 
Math
x4/21 > or equal to 7
asked by Sammie 
tsu
Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%: (8)
asked by chris 
Hawaiian Farming
What is the percentage of land used by farmers compared to farming land avalible in Hawaii? Thanks!
asked by Riley 
English
I always worry the night before a big test. Then I can't sleep well. (Wha is the meaning of 'then' here? Is 'then' 'at that time, or 'after that'?)
asked by rfvv 
Algebra 2
Factor completely: (0.36y^20.0001)
asked by Ashly 
science
I NEED HELP ON MY CROSS WORD PUZZLE FAST CUZ IT IS DUE TOMARROW PLZ HLP
asked by silly 
algebra check!!
1 to the 7 power= 1 (4)to the third power = 4·4·4=64 4 to the third power =4·4·4=64 right or wrong?? :?
asked by sahaka 
math
(3+4)^2= A13 B14 C19 D25 E49 3+4=7 7X7=49 E49
asked by AnOnYmOuS1 
MATH
The exact value of 4924 is between 2 and 5
asked by AnOnYmOuS1 
organism physiology paper
explain how an organism has evolved physiologically to become suited to its environments. give examples.
asked by enrique raigosa 
writing
Flexibility is a key component in adapting to each new challenge: most students can do this by the end of week one. Is this sentence right? Should the colon actually be a semicolon?
asked by Chris 
science
To stop an elevator in free fall, brakes are installed between the walls of the elevator car and the walls of the shaft in which the car moves. In addition, springs with compression coils are installed on the floor, at the bottom of the shaft, in order to
asked by christine 
french
Comparaison et caracterisation comparez la consommation de poisson et de lait dans les differents pays. Consommation annuelle par pays Poisson [en kg par habitant] Grande Bretagne:127 Norvege : 50 Japon: 36 France: 9 Lait [en litre par habitant] Islande:
asked by babs 
spelling
give a sentence for word proficient
asked by Anonymous 
algebra homework
2sqrt x+11=6x I really need some help because I am so lost,so can someone please help me?
asked by jessica 
Biology
how many e. coli could you line up, end to end, in one mm, assuming the E. Coli is 2 micrometers long?
asked by Michael 
English
1. Look, there is a person coming. 2. Look, there is a person who is coming. 3. Look, there is a coming person. (Does #1 mean #2 or #3? Is #2 and #3 grammatical?) 4. Look, here is a person coming. (What is the difference between #1 and #4?)
asked by rfvv 
calc
Verify each limit using the limit definition Lim(2x^2 + 4)=4 X>0
asked by don 
history
What does disable mean?
asked by Mandy 
Math
y=2x+5 solve for x
asked by Alexia 
PreCalc
In sixteen states and the District of Columbia, the legal bloodalcohol level is 0.08. Use the formula A(x) = 0.0082x2 + 0.06x to compute bloodalcohol levels as a function of x (the time in hours). When is the first time that a person can be arrested for
asked by Anonymous 
English
1. Don't give up your dreams. 2. Don't give up on your dreams. (Which one is correct? Are both OK? Then what is the difference between them?)
asked by rfvv 
English
1. I always worry the night before a big test. 2. I always worry at the night before a big test. (# 1 is right, right? What about #2? Can we add 'at' before the night?)
asked by rfvv 
English
(How do you read '2015' in the following sentence?) I will go over to the Philippines in 2015.
asked by rfvv 
english
Help me draft a one page memo to be sent to your Team and boss addressing the need for using appropriate tone, content, and awareness of audience in writing an inter office email.
asked by kathi 
science
a current is the movement of water in the sea. a) false b)true true
asked by pam 
math
what are some factors of 36
asked by jennifer 
spelling
give a sentence for word proficint
asked by Anonymous 
anatomy
a 36 year of woman has a disease that affects the levels of acetychlorine in her synapses and neuromuscular junctions. what is a potential consequence of this disease A. deterioration of the sodium potassium pump b. abnormal conduction of signals of
asked by mary 
Math
Which sequence do I use to get the answer to this problem? Arithmetic or geometric? The answer is $36,000 but I do not no how to write it out or which one to use, Can someone please help me? Thank you. A person deposited $500 in a savings account that pays
asked by Fh 
7th grade
What is the least common multiple of 35, 70, 140
asked by Alex 
accounting help please?!
Nancy Sly wishes to sell her business and receives the following three offers:? 1. $568,000 cash immediately. 2. $200,000 cash now plus an annual installment of $60,000 at the end of each year for 10 years, a total of $800,000. 3. An offer to manage the
asked by Jay 
microbiology
penicillin was called a" mircle drug" because it doesnt harm cell. why doesnt it?
asked by marie 
math
a) 6(2x3)5(3x2) i have 3x8 b) 82[35(3x1)] not sure Thanks
asked by marco 
math
name each number in 2 different ways 67,000
asked by alexis 
Calculus III
P=(2,1,0) Q=(1,5,2) R=(1,13,6) Are P, Q, and R collinear? If not, find a vector normal to the plane containing them.
asked by Calvin 
Plz check ......
It is able to be appreciating that how Pseudolus complete all the tasks by his intelligence. I think being a slave, no one can dare to compete other powerful and wealthy authorities. But he does .He wins the bet with Simo and he also gets the girl .As well
asked by Sham 
math
How many SevenDigit numbers less than 1,048,000 can be using the digits 0,1,4,6,7,8 and 9 ? Think: Make A List Of Possible Ways to Represent Your SevenDigit Numbers.
asked by Tenecia 
Quadratic Equations
If I were looking at a graph of a quadratic equation, how do I determine where the solutions are?
asked by Lynn 
math
What is another way to compute the answer to 20x2=500
asked by Anonymous 
math
What is another way to compute 20x25=500
asked by Anonymous 
Quantitative reasoning
if 5*5=4 3*4=5 6*1=6 what is 1. 5*2
asked by Ogoo 
social studies
what is a legand
asked by emily 
physics
if each parallel conducting plates have area 1, then another area 2 is added to each plates, if i look at this formula Q=CV=epsilon(A1+A2)V/d, then shouldnt charge increases then charge density also increases
asked by blasting 
math
200% of 7 is 1,400
asked by AnOnYmOuS1 
math
prime fact 4 2500
asked by oc 
Creating floor plans
Does anyone know any good sites or software I can use to create a floor plan of a business?
asked by Lynn 
math
a 9 percent salt water solution is mixed with 4 oz. of an 18 percent salt water solution in order to obtain a 15 percent salt water solution. how much of the first should be used?
asked by Bob