Questions Asked on
September 10, 2010

chemistry
65.0 mL of water is heated to its boiling point. How much heat in Kj is required to vaporize it? (Assume a density of 1.00 g/mL)
asked by jessa 
geometry
if m angle RTS = 8x+18 find x so that line TR is perpendicular to line TS
asked by carmen 
chemistry
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 0.4 mg Hg/mL, what is the total
asked by kelly 
chemistry
what is the density of a solid object with a mass of 1.65 lb and a volume of 170ml?
asked by sam 
space
You are designing a web page for your school's biology club. You want to include photos of the members on the page, which has a width of 640 pixels. You've decided that the left and right margins should be 24 pixels each and the space between each picture
asked by leli 
chemistry
What is the mass, in grams, of each of the following? a) 2.4×10−3 mol Sb b) 3.59×10−2 mol Ba c) 43.6 mol Xe d) 1.4 mol W
asked by Mely 
chemistry
Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 . A fitting composed of common brass has a total volume of 114.5 .How many atoms of copper does the fitting contain?
asked by lisa 
physics
Crate on a conveyor belt..? A 11 kg crate is placed on a horizontal conveyor belt. The materials are such that u s = 0.55 and u k =0.26. What is the maximum acceleration the belt can have without the crate slipping? How would you draw a free body diagram
asked by nene 
English 2
Just need someone to check these questions for me 1. A complication in the plot is BEST described as a. an event that poses a problem for the main character b. additional information about the main character c. an isolated incident d. a physical event
asked by mysterychicken 
Physics
You serve a tennis ball from a height of 1.8 m above the ground. The ball leaves your racket with a speed of 19.4 m/s at an angle of 7.28° above the horizontal. The horizontal distance from the court's baseline to the net is 11.83 m, and the net is 1.07 m
asked by Gina 
Biology
Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the
asked by Tommy 
Physics
A rabbit runs in a garden such that the x and ycomponents of its displacement as function of times are given by x(t) = −0.44t2 − 6.0t + 73 and y(t)= 0.35t2 + 8.3t + 34. (Both x and y are in meters and t is in seconds.) (a) Calculate the rabbit's
asked by Gina 
physics
A projectile is being launched from ground level with no air resistance. You want to avoid having it enter a temperature inversion layer in the atmosphere a height h above the ground. 1) What is the maximum launch speed you could give this projectile if
asked by Ami 
Criminal Procedure
proof beyond a reasonable doubt in a criminal case to convict is required by: A) The 6th Amendment B) The 5th Amendment C) The equal protection clauses. D) The due process clauses. If you ask me the answer is in the question..Proof beyond a reasonable
asked by Melisa 
COLLEGE PHYSICS
A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 99 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move
asked by CARY 
Chemistry
How do you solve this equation? A piece of aluminum with a mass of 3.90g and a temperature of 99.3 degrees celcius is dropped into 10.0 g of a water at a temperature of 22.6 degrees celcius. What is the final temperature of the system?
asked by Anonymous 
physics
A truck covers 40.0 m in 8.60 s while smoothly slowing down to a final velocity of 2.00 m/s. (a) Find the truck's original speed. (b) Find its acceleration.
asked by tiffany 
PHYSICS
The velocity of a diver just before hitting the water is 8.7 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.89 s of the dive?
asked by veronica 
chemistry
Calculate the mass, in grams, of each of the following. a) 1.2×10^23 gold atoms b) 2.78×10^22 helium atoms c) 2.0×10^23 lead atoms d) 7.6×10^21 uranium atoms
asked by Mely 
Physics
A golf ball is hit with an initial angle of 30.5° with respect to the horizontal and an initial velocity of 81.9 mph. It lands a distance of 86.8 m away from where it was hit. By how much did the effects of wind resistance, spin, and so forth reduce the
asked by Gina 
algebra
Help! A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is . A size 6 shoe in the United States is size 3.5 in England. A function that converts shoe sizes in England to those in the United
asked by Roger 
Ap physics
A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0° to the horizontal . (a) Draw the freebody diagram showing all forces acting on the mower. (Do this on paper. Your
asked by rayray 
precal checking answers
Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Answer these questions regarding which bank Joan should invest her money in, to accrue the
asked by Anonymous 
spanish
Autoprueba WB P14  Presentaciones Complete the following conversation with the appropriate form of the verb ser. 1. Me llamo Pilar. ¿Quién tu 2.Encantada. ¿De dónde uds 3. Y éste (this) mi amigo, Carlos
asked by Christopher 
College Algebra
Help! Write the equation of the function that has a graph the shape of , vertically shrunk by a factor of 1/4 and shifted right 6 units. Write the equation of the function that has a graph the shape of y = „ x„ , reflected about the xaxis and shifted
asked by Roger 
Physics
The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 3.2 m/s3, B = 1.8 m/s2, C = −4.2 m/s, and D = 7 m. At what time(s) is the object at rest?
asked by Gina 
Chemistry
I'm doing chemical equilibrium, and there's a question in my lecture notes. Can someone check my answers and tell me if i'm right or wrong? Thanks! The Kc expression for this reversible reaction: 3Fe(s) + 4H2O (g) >
asked by Riley 
precal
Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Use the Rule of 72 to estimate how much time it would take to double Joan's investment in Bank
asked by Anonymous 
physics
A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 7.85 m higher than A, with speed v/2. Calculate (a) the speed v and (b) the maximum height reached by the stone above point B.
asked by Antonio 
Physics
A hotair balloon is rising straight up with a speed of 5 m/s. A ballast bag is released from rest relative to the balloon when it is 8.2 m above the ground. How much time elapses before the ballast bag hits the ground? I don't get what equations or what
asked by Jerry 
SAT Essay
Can somebody help to grade this essay? Many thanks!! Assignment: Do we expect too much from public figures? Public figures have always been an object of fascination for many. From movie stars to pop stars, business tycoons to politicians in power, they
asked by Jessie 
physics
A light year (speed of light 2.998x10^8 m/s) is the distance light travels in a year. How many meters are there in 1 light year? (Answer:9.45x10^15 m/yr)
asked by Anonymous 
physics
A rock is thrown from the roof of a building with a velocity v at an angle of alpha from the horizontal. The building has height h. You can ignore air resistance. Calculate the magnitude of the velocity of the rock just before it strikes the ground
asked by ami 
Math Contest question
determine the number of digits in the expansion (2^120)(5^125) without using a calculator or computer Find the coordinates of the two points that trisect the line segment with endpoints A(2,3) and B (8,2)
asked by Prethy 
Math
Eva invested a certain amount of money at 9% interest and $1600 more than that amount at 11%. Her total yearly interest was $760. How much did she invest at each rate?
asked by Mark G 
7th grade math
order these numbers from greatest to least mass 0.05kg,32g,and 430,000mg Thanks alot
asked by Melea 
Ap physics
If you are driving 108 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?
asked by rayray 
Literature
"They said that Jose was born with a ring of dirt around his neck, with grime under his fingernails, and skin calloused form the grainy twist of a shovel" What kind of literary device is this?
asked by Someone 
Physics
You are traveling in a convertible with the top down. The car is moving at a constant velocity 27.7 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 12.8 m/s. How far has the car moved when you get a chance to catch the
asked by Chaz 
Microeconomics
Suppose that the position of a nation's longrun aggregate supply curve has not changed, but its longrun equilibrium price level has increased. Which of the following factors might account for this event? a. A rise in the value of the domestic currency
asked by aimee 
spanish
can someone please explain this to me? its the irregular verb estar. 1. Yo_____ en mi casa (in my house). 2. Jose, María, y yo _________ alegres. 3. Mario, tú, y yo __________ en el cine (at the movies). 4. El perro ________ en el parque (at the park.)
asked by whitney 
chemistry
A 8.13 g sample of HCN is found to contain 0.301 g of H and 4.22 g of N. Find the mass of carbon in a sample of HCN with a mass of 3.39 g.
asked by Mely 
Ap physics
A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 15.5 m long. The bowler hears the sound of the ball hitting the pins 2.60 s after the ball is released from his hands. What is the speed of the ball? The speed of sound
asked by rayray 
chemistry
what features account for carbohydrates high solubility in water?
asked by lena 
Chemistry (Thermo)
High quality coal (anthracite) is almost pure carbon. The combustion of carbon to carbon dioxide releases 393kJ per mol of carbon burnt. If 1kg of anthracite is burnt: a) How much heat is released? b) How much ice (in kg) at 273K could be melted to give
asked by Amy 
Physics
A monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for another vine 19 meters away horizontally and whose bottom is 13.5 meters below the monkey. How fast must the monkey be moving to the nearest
asked by G 
accounting
The stockholders' equity accounts of Lawrence Company have the following balances on December 31, 2010. Common stock, $10 par, 274,000 shares issued and outstanding $2,740,000 Paidin capital in excess of par 1,200,000 Retained earnings 5,600,000 Shares of
asked by janice 
Physics
A marathon is a road race covering 26 miles and 385 yards. There are 5280 feet in amile, 3 feet in a yard and 3.3 feet in a meter. How many meters is this? (4.2x10^6m)
asked by Anonymous 
Physics
A baseball just clears a 3.0m tall wall positioned 120m from home plate. If the ball left the bat 1.2 m above the ground at an angle of 45 degrees above the horizontal, how fast was it going when it left the bat.
asked by Makenzie 
Physics
How many uranium atoms are there in 8.4 g of pure uranium? The mass of one uranium atom is 4 x 10^26
asked by Anna 
geography
Which two countries border Mongolia? My answer I found are China and Russia. Is this correct? Am I correct in saying that Helsinki is located on the Baltic Sea?
asked by Reed 
6th grade/math
I don't understand can you help me? Alicia has made a rectangle using 24 square tiles. If she adds the length and width of her rectangle together, she gets 11. What is the length and width of Alicia's rectangle?
asked by Lexi 
physics
The speed of sound in air is 343 m/s. Using the relationships 3.3 feet in a meter, 5280 feet i na mile, and the time relationships you know, determine the sped in miles per hour.(answer:772mi/h) i don't know why that answer thing is there but i put it
asked by Anonymous 
Science
Does infrared radiation or ultraviolet radiation have wavelengths that are shorter than visible light? My answer is ultraviolet radiation. I am really sure about this one. Am I correct?
asked by Reed 
management
Describe the three principal managerial roles identified by Henry Mintzberg and give examples of each? How important is competence in the core managerial skills for the different types of managers?
asked by RT 
Chemistry
In the Lewis structure for SF4, there are: a. 12 electrons surrounding the S. b. 10 electrons surrounding the S c. a total of 42 valence electrons. d. Both a and c are correct. e. None of the above are correct
asked by catherine 
physics
A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?
asked by Melisa 
statistics
Given a data set with the mean = 44 and the standard deviation = 15, what is the value of the Third Quartile?
asked by angie 
Physics
For a science fair competition, a group of high school students build a kickermachine that can launch a golf ball from the origin with a velocity of 16.0 m/s and initial angle of 36.8° with respect to the horizontal. (a) Where will the golf ball fall
asked by Gina 
algebra
a1. Simplify 5 + (71)2/6 A11 B41/6 C51/6 D7 E17/6 F23 b2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 f3. Simplify [7+2(5  9)2]/[(4+1)2  3(22)] A23/2 B18/7 C13 D9/4 E8/41 F3 e4. Simplify 36 – 2x[4(32)] A36  28x B16  2x C76x D40x + 36
asked by whitney 
algebra
Problem A: 6a + (8b + 2a) e1. = 6a + (2a + 8b) Asymmetric Bdistributive Cmultiplicative identity Dcommutative Ereflexive Fsubstitution f2. = (6a + 2a) +8b Adistributive Bassociative Csubstitution Dmultiplicative property of zero Emultiplicative identity
asked by whitney 
ALGEBRA 1!!!
Problem A: 6a + (8b + 2a) e1. = 6a + (2a + 8b) Asymmetric Bdistributive Cmultiplicative identity Dcommutative Ereflexive Fsubstitution f2. = (6a + 2a) +8b Adistributive Bassociative Csubstitution Dmultiplicative property of zero Emultiplicative identity
asked by whitney 
accounting
If a company purchases a 12month insurance policy for $3600, what journal entry would be prepared to record the purchase? At 6 months? At year end?
asked by Anonymous 
physics
PLease HeLP! You work for a moving company and are given the job of pulling two large boxes of mass m1 = 112 kg and m2 = 287 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the
asked by tom 
Intermediate Algebra
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater
asked by Samantha 
Algebra
Could someone please help me with those 2 problems...thanks a lot for any of your help Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 57. Suppose that Maria has 140 coins consisting of pennies, nickels, and
asked by Joe 
spanish
Autoprueba WB P14  Presentaciones Complete the following conversation with the appropriate form of the verb ser. 1. Me llamo Pilar. ¿Quién tu 2.Encantada. ¿De dónde uds 3. Y éste (this) mi amigo, Carlos.
asked by Christopher 
Math
Two taps, having different rates of flow are used to fill a large water tank. If tap A is used on its own it will take 5 hours longer to fill the tank that it would take tap B to fill it on its own. Together, the taps would fill the tap in 6 hours.
asked by Jamie 
Physics 4a
A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 7.85 m higher than A, with speed v. Calculate (a) the speed v and (b) the maximum height reached by the stone above point B.
asked by Antonio 
geometry
the mid point of ef is (3,7). the coordinates of e are (3,10. find the coordinates of f.
asked by owsbaldo 
Math
Two taps named tap A and B are used to fill a tank. Tap A on its own takes 5 hours longer than tap B to fill the tank. The two taps working together fill the tank in 6 hours. How long does it take tap A to fill the tank on its own? How long does it take
asked by Jamie 
management
Describe how managers typically change in their first year on the job? How does the way a company is managed affect its competitive advantage?
asked by RT 
English 2
I had to write a persuasive essay about a debatable issue and I chose to write about the Ground Zero Mosque. This is just my rough draft, so I know it's not near perfect; but can someone please tell me what I need to add/remove, etc. ? Thanks! Is building
asked by mysterychicken 
Physics
In what direction does the force of mass point? I say  Always away towards the center of the circular path In what direction does the velocity of mass point? I say  Always away from the center of the circular path In what direction does the acceleration
asked by Jim 
Physics
A boat is traveling with a speed 7.2 mph over the water and at a direction of 87 degrees counterclockwise from east. The river itself is flowing east at 4.9 mph relative to its bank. What is the speed of the boat relative to the river bank to the nearest
asked by G 
Intermediate Algebra
Hello I need a little help with my homework. I started trying to work it out but I am not sure if it is the correct solution. Please help! Question: Population growth. The exponential growth rate of the population of United Arab Emirates is 4.4% per year
asked by Samantha 
Algebra
Write the equation of the function that has a graph the shape of y=/x/ ,reflected about the xaxis and shifted down 1 unit.
asked by Roger 
Science
What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius?
asked by jason 
USC Career institue
Chester has an appointment for a checkup on his asthma he is wheezy and having labored breathing his established physician performs a problem focused exam and history no further treatment is recommended for it chester is to retun in three month for a
asked by ladyfox 
English
I like The Fifer by Manet most. I can see a boy playing the fife. Why do you like it? Because I like playing the fife and the boy's traditional clothes. He is wearing a curious hat, too. My favorite painting The painting I like most is Manet's The Fifer.
asked by rfvv 
math
predicting the stopping distance for a car traveling 45 miles per hour using this chart speed stopping (mph) Distance (FT) 55 273 56 355 75 447
asked by Javen 
science
The creation of the Enivronmental Protection Agency by the federal government is an example of the American people's desire to _______. a) protect their individual rigths from violation by the judicial branch b) centralize the government c) protect their
asked by pam 
Chemistry
A single 4p orbital can hold how many electrons? i got 6 is that correct or no? Chemistry  Anonymous, Friday, September 10, 2010 at 2:52am "That is correct! px, py and pz (2 electrons in each) " since it's asking about a SINGLE 4p orbital would it be 2? i
asked by catherine 
statistics
Would someone mind checking me and pointing out which may be incorrect. I THINK I get it but.... Calculate the range, variance, standard deviation for the data set given 72, 80, 80, 82, 88, 90, 96? I just wanted to know if I am doing this correctly. These
asked by Flower 
science
the queen bee knows how to do her dance, because _____. a) she is very smart b) of the energy that the queen has c) of the experience of seeing the dance d) of the enery that the queen has e) of the experience of seeing the dance performed e
asked by pam 
Chemistry
A single 4p orbital can hold how many electrons? i got 6 is that correct or no? Would conducting electricity be considered a physical or a chemical property of ZINC?
asked by Jack 
Physics
Some rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus also know your speed at any time. One of these rental cars is driven by an employee in the company's lot and, during the time
asked by Gina 
College Chemistry
If you leave a glass of tap water out long enough, the water will evaporate and leave behind a white solid. Is this a chemical or physical change?
asked by Becky 
physics
A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?
asked by Anonymous 
Math
Area of a painting. A rectangular painting with a width of x centimeters has an area of x2 + 50x square centimeters. Find a binomial that represents the length.
asked by Cheryl 
BSHS 311 Models of Effective Helping
Ivan Pavlov developed the theory of classical conditioning. Did he establish a relationship between the helper and the client? What was it?
asked by Lisa Sommer 
HCA 250, psychology of health
I am trying to complete my final assignment which consists of the duties and any other information on a inpatientonly psychologist, I have not found much. Is it also true that an inpatientonly psychologist and a clinical psychologist are the same. If
asked by Rebecca 
science
Warmblooded animals? a) change their internal temperature to match the external temperature b) can function well in a wide range of temperatures c) have the same temperature control as plants do d) are less able to adjust to temperature changes than are
asked by pam 
College Chemistry
If you leave a glass of tap water out long enough, the water will evaporate and leave behind a white solid.
asked by Becky 
science
It is true that ______ a) few plants grow well around water b) plants are better able to seek water than are animals c) water covers about 95% of the plants d) the amount of water in the enivronment limits the kinds of organisms that can live there e)
asked by help please 
algebra homework
Kim starts to walk 3 mi to school at 7:30 A.M. with a temperature of 0°F. Her brother Bryan starts at 7:50 A.M. on his bicycle, traveling 10 mph faster than Kim. If they get to school at the same time, then how fast is each one traveling? I have tried to
asked by paulina 
Biology
Hydrogen= 1 proton, 0 Neutrons, 1 Electrons and 1 electrons in outer shell. is correct!
asked by Jetta 
Math
x^4+x x^4x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be
asked by prethy 
Psychology
What are some of the characteristics of a Type A personality?How could aving a Type A personality affect a person's reaction to stress?What would you view as some advantages and disadvantages of a Type A personality?
asked by Ashly 
Math
Find how much must be deposited now (present value) at % simple interest so that in 6 years an account will contain $8958 (future value). present value = $ WHAT FORMULA DO I NEED TO USE TO HELP ME SOLVE THE PROBLEM?
asked by AMANDA 
CHEMISTRY
CAN someone please point me in the right direction I am trying to find a complete list of all of the ate Oxyanions because I need to memorize them and can't find a complete list of them like sulfate nirtate phosphate carbonate... can someone provide a
asked by PLEASE HELP ME 
Physics
You will spend 177 days in this class. How many seconds will you spend in this class? (5.31x10^5s)
asked by Anonymous 
physics
The speed in air is 343m/s. Using the relationships3.3 feet in a meter, 5280 feet in a mile, and the time relationships you know, determine the speed in miles per hour. (answer:772mi/h)
asked by Anonymous 
Intermediate Algebra
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x
asked by Samantha 
Ap physics
A football is kicked at ground level with a speed of 10.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground?
asked by rayray 
math
Write an equation of the line containing the given point and parallel to the given line. (7,6); 8x=9y+5 The equation of the line is y =
asked by SchuRonda 
chemistry
14.6 103 kJ to Cal
asked by Sara 
math
Find the slope, if it exists, of the line containing the pair of points. (6.8,11.8) and (6.4,7.6)
asked by SchuRonda 
English
Thank you for your suggestions. Here are some more sentences for you to check. 1)The inner station consisted of a long building standing (or which stood?) at the top of a hill. There was no fence around it but there had been one. 2)There were also some
asked by Franco 
physics
A heavy object and a light object are dropped from rest at the same time in a vacuum. Which one will reach the ground first and why?
asked by Jim 
english
is this sentence correct? She teaches me not to turn a blind eye on the helpless patients, be it humans or animals, whenever I see them.
asked by flame 
Geography
This is my last question that I'm struggling with. We had to do 25 of them and this one I can't figure. Thank you for your help. It's greatly appreciated. Have a great weekend!!! More water flows through the Amazon Basin than through any other river
asked by Hannah 
Health
What measures for disease prevention that were used historically should be used today? Why do you think some were discarded as preventive measures?
asked by Anonymous 
Ap physics
A football is kicked at ground level with a speed of 10.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground?
asked by rayray 
science
List all of your moving body parts and how they help you survive?
asked by tony 
physics
A train takes 3.3 hours to travel the first leg of a trip at 17 m/s. How fast must the train move over the second leg of 200 km to have a total average speed of 30 m/s?
asked by Anonymous 
Algebra
Factor 4xy+28x+y+7
asked by Joe 
algebra
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the range of the function.
asked by Makina 
To: Mystery Chicken
You'll find this article interesting  re your essay. http://www.cnn.com/2010/OPINION/09/10/clark.islamic.center.language/index.html?eref=mrss_igoogle_cnn
asked by Ms. Sue 
physics
Is it true that hot water freezes fast?
asked by Jim 
Business
A group of 9 trout (considered the population) were isolated in a pond and fed a special food mixture called Grow Em Fast. At the end of the experimental period, the weights of the trout were (in grams): 124, 125, 123, 120, 124, 127, 125, 126 and 121.
asked by John 
com/155
write a 100 word passage to Susan Anker, the author of the course's textbook, in which you describe five details from her book that are good and five details about the book that are well written. Where can I find Susan Anker's books
asked by jo 
English
Thank you very much for helping me. I still have a few sentences regarding the same novel for you to check. 1)The novel consists of three parts and is set at the end of the 19th century. 2)The story begins with a group of men on a ship, Nellie, in the
asked by Franco 
Ap Physics
An elevator (mass 4025 kg) is to be designed so that the maximum acceleration is 0.0700g. What is the maximum force the motor should exert on the supporting cable?(N) What is the minimum force the motor should exert on the supporting cable?(N)
asked by rayray 
scientist
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard
asked by james 
Business
Describe the three principal managerial roles identified by Henry Mintzberg and give examples of each? How important is competence in the core managerial skills for the different types of managers?
asked by RT 
history
How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe? Be specific. How were these differences important to the international state of affairs in 1450? this is using the
asked by erica 
Chemistry
Does "gaseous reactions" mean that all the products and reactants in a chemical equation are all in gaseous state?
asked by Riley 
math
Find an equation of the line having the given slope and containing the given point. m= 3, (1,3) The equation of the line is y =
asked by SchuRonda 
math
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater
asked by Marlee 
science
The factor that determines what effect human beings have on the environment is the _______, a) quality of political philosophy held by the individual b) degree of isolation manitained by individuals c) decisions made by each individual d) nature of the
asked by pam 
College Chemistry
When two solutions are mixed, small bubbles are formed. Is that a chemical or physical change?
asked by Becky 
math
1000 cl = L 1200 cl = L Please help!!!
asked by melea 
calculus
limit as x approaches negative infinity for the function (x)/(sqr root (x^236))
asked by susan 
Environmental Science
What is a few terrestrial resource issues? I have to pick one to do a powerpoint and I need some ideas. Thank You
asked by michelle 
algebra
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. log[5] (5x  1) = 1
asked by mar 
geometry
ab=3x, bc=5x, ac=8 what is x and bc?
asked by C 
English
I forgot to include these other three sentences. Thank you very much in advance. 7) He went to visit Kurzt’s intended who had continued to wear black though Kurzt had died more than a year before. 8) He gave her the papers and documents and told her that
asked by Franco 
geography
Is this a trick question? To which continent does Central America belong? My answer is North American continent. Is that correct?
asked by Reed 
health
Post a 250 to 300word response to the following: What are the major differences between inpatient and outpatient hospital services? Describe how these differences affect the coding process and provide examples.
asked by Nancy 
Science
What causes the different colors of visible light? My answer Different wavelengths cause the different colors of visible light. Is that right?
asked by Reed 
American History
I am trying to locate either the name of the school or school district (i.e. City or County) that first required public schools to teach both male and female students. I know that in 1789 Massachusetts was the first state to make this requirement but I
asked by AshleyC 
French
i want to know about French culture and music
asked by Kiera 
math
percent change What is the percent change of 86 and 80
asked by pippi 
English
What examples could represent a conflict in "Son" by Updike?
asked by bindiya farswani 
ETH/125
policies changes concerning the treatment of Arabs and Muslims in the past 2 years
asked by Anonymous 
Calculus
Evaluate the integral ∫(x^2 + 4x 2)dx from x = 1 to x = 4.
asked by Anonymous 
science
The Gruffles just had a rumble with the Gadflies becasuse three Gadflies tried to pass through the Gruffles territory. The rumble would be an examples of the Gruffles protecting their ______. a) superiority b) women's rights c) independence d) rights of
asked by pam 
science
Underdeveloped countries have the highest popualtion increase because _______. a) the death rate is increasing greatly b) they are educated in birth control methods c) children are needed to help on the farms d) medical and agriculutral improvements have
asked by pam 
Sep.11/01
Tomorrow will be the 9th anniversary of the worst terrorist attacks on American soil, when the Twin Towers were destroyed, the Pentagon was attacked, and Flight 93 crashed into a field in Pennsylvania. Did the terrorists wanted to kill the former Secretary
asked by AL 92 
psy
Based on the information covered in chapter 5, contrast two theories or perspectives from late stage adult development,
asked by louise 
math
Find an equation of the line having the given slope and containing the given point. m= 3, (1,3) The equation of the line is y =
asked by SchuRonda 
Physics
This is a twodimensional kinematics question: A particle's position coordinates (x,y) are (2m, 3m) at t=0; (6m, 7m) at t=2s, and (13m, 14m) at t=5s. Find the average velocity vector between t=0s and a) t=2s, b) t=5s. I don't know how to find this without
asked by Anonymous 
mATH
x^4+x x^4x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be
asked by prethy 
lib320global socioeconomics
What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?
asked by Anonymous 
Geometry
In geometry what kind of algebra do you use?
asked by Samantha 
COMPUERS
HELP!!!!! MY KEYBOARD IS STUCK ON CAPS LOCK AND ALL MY FRIENDS ARE MAD AT ME BECAUSE THEY THINK I AM YELLING! PLEASE TELL ME HOW TO GET MY KEYBOARD OFF OF CAPS LOCK!! ITS RUINING MY LIFE!!
asked by SAMMI 
ECONOMICS
supporting details for "is economic equality possible and would it be socially just?"
asked by Carrie 
Physics
A golf ball is chipped at an angle of 37 degrees and with a speed of 13.5 m/s. How far does it travel to the nearest tenth of a meter?
asked by G 
chemistry
How to find the density of mercury
asked by mike 
freshmen
can you pls give me a qoute about freshmen year
asked by alanaR. 
math
David has just received his income tax refund of $1438.11, and he needs $1742 to buy a new television. If his money can earn % simple interest , how long must he invest his tax refund? years what formula do i need to use?
asked by AMANDA 
scinence
Removal of organic materials from the soil is a)humus b)conservation c)depletion d)recycling e)erosion a
asked by pam 
science
a habit ____ a) involves thougth and memory b) does not involve the brain c) is seen in primitive animals d)is a learned behavior e) is instinctive behavior d
asked by pam 
math
Find an equation of the line containing the given pair of points. (1,5) and (3,6) y =
asked by SchuRonda 
physics
You have two forces, 116.1 N and 78.6 N. What is their resultant if the first acts up ward and the second acts downward? Answer in units of N.
asked by laura 
College Chemistry
When you bake cake batter it solidifies. Is this a physical or chemical change?
asked by Becky 
college
Are there certain curricular areas in which technology is more useful than in others?
asked by renata 
Geography
Due to the violent & complex origins of the Andies, many rich & precious metals and minerals were found in the Andies. The inital economic wealth of many Adean coutries came from mining gold, silver, tin, copper, and iron. How can this cause conflict with
asked by Hannah 
chemistry
convert 8.99 x 10^2 m/s^2 units of km/hour^2?
asked by Anonymous 
chem
if i have density and the mass, how do i find the valume?
asked by jess 
teaching
does anyone know a few similarities and differences between the NBPTS standards and Danielsons framework for teaching? I'm going to be doing a graphic organizer comparing and contrasting the two. thanks.
asked by crystal 
english
It's a part of an assignment i'm doing, is a shower a part of technology? Could you also give me examples of technology we use in everyday life?
asked by sally 
College Chemistry
A plant grows. Is that a chemical or physical change?
asked by Becky 
Math
Suppose that the area of a square is fortyone times its perimeter. Find the length of a side of the square. All I can think of is that P=4s and A=s^2 thanks for any help
asked by Mark G 
chemistry
if there is 2 grams of hydrogen and 1.75 was left over how many was used up
asked by rueben 
english
are these words count noun? obligation, compassion
asked by flame 
media
what is the significance of immediate news media delivery on culture?
asked by zack 
algebra117
factor 16v^22q^6=
asked by denise32