
Chemistry
I have a balloon that contains 22 grams of Carbon dioxide. The barometric pressure is 1019 millibars which I converted to 1.006 Atm and the temperature is 299 "K". What is the volume of balloon? I used the ideal gas law to find out the volume in liters of
asked by JamieLyn on May 25, 2010 
SCIENCE HELP
Can anyone anyone please help me or guide me to a web site where I can find this information? Thank you. Dolphin and porpoise populations are endangered by the _________ fishery. I have twenty questions to complete on my paper and I found all the answers
asked by Meg on May 20, 2007 
math
Please help me ASAP!!! I HAVE NO IDEA HOW TO DO THIS!!!! John, Rick, and Molli can paint a room working together in 6 hours. Alone, John can paint the room in 12 hours. If Rick works alone, he can paint the room in 15 hours. Write an equation comparing the
asked by mmmmmaaaai on June 3, 2019 
college math
I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps (show work) on how to solve this question. The sum of the intergers from 1 through n is n(n+1)/2. the sum of the squares of the
asked by dave on August 13, 2010 
math
Sally and Kate stand some distance away from a building which is 10m high. Sally measures the angle of elevation of the top of the building to be 35(degree). From Kate's position, the angle of elevation of the top of the building is 50(degree). If the
asked by Steve on April 30, 2018 
english
tomorrow i am writing an exam in complex sentence analysis.i have some troubles..We'll get a complex sentence but very large one(last time we got sentences which were 4 lines long)and then we have to write what is the subject what is the verb, adverb or
asked by bill on June 5, 2007 
Sta
It is pretty common across most schools to find the grades at the MBA level divided between A’s and B’s. As such, you expect the mean GPA to be around 3.50. Using the sample of 200 MBA students, conduct a onesample hypothesis test to determine if the
asked by Mark on March 17, 2012 
physics
Speakers A and B are vibrating in phase. They are directly facing each other, are 7.4 m apart, and are each playing a 72.0 Hz tone. The speed of sound is 343 m/s. On the line between the speakers there are three points where constructive interference
asked by Coreen on April 29, 2007 
Chemistry  titration lab
Hello. For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an HCl + H2O mix. This was a preparatory titration for the next one consisting of the hydrolysis of ethyl acetate into acetic acid with H+ ions as a catalyst (in
asked by Robertq on July 31, 2012 
CHEM
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse
asked by JSJFJF on February 19, 2012 
Chemistry
7.0 ml of 6.0 M NaOH are diluted with water to a volume of 400 ml. You are asked to find the molarity of the resulting solution. The total number of moles of NaOH is not changed on dilution. Calulate the molarity. Work: (6)(.007)=(x)(.4) x=.105M Thanks for
asked by Anonymous on April 19, 2007 
physics
PERIOD OF THE LEG The period of the leg can be approximated by treating the leg as a physical pendulum, with a period of 2pi*sqrt(I/mgh), where I is the moment of inertia, m is the mass, and h is the distance from the pivot point to the center of mass. The
asked by Jennifer on February 26, 2010 
math
At a football game, a vender sold a combined total 210 of sodas and hot dogs. The number of sodas sold was 44 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold.
asked by lisa on March 8, 2013 
Physics  KE/Inertia
The rigid body shown in Figure 1066 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of
asked by COFFEE on March 26, 2007 
college chemistry  answer check ASAP!
The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points of corroding iron differing only in their partial pressures of oxygen: 0.20 atm of oxygen at one point and 0.0010 atm of oxygen
asked by anne on March 13, 2010 
Please Check My Math Work
Hi.  I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^254= (3y6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby.  [Iloveyou]"it is
asked by [C]razy Baby.[iloveyou] (Margie) on February 9, 2007 
@elena
thank you so much help with the problem. i have trouble solving part b of the problem you helped me with. it told me to give it as a percentage, I got 10% but it is wrong. can you please help me Superman must stop a 190km/h train in 180m to keep it from
asked by john on April 29, 2012 
word problem help algebra
1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles
asked by marko on October 24, 2011 
algebra worD PROBLEM
1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles
asked by marko on October 24, 2011 
Maths
Hi! I'm working on a math assignment... My teacher wants me to find rainfall data and then work out the volume of water that would fall on a roof. I've already worked out the roof area but the roof is made up of multiple squares. The teacher would like me
asked by Sasha on March 31, 2011 
geometry
Let $\overline{PQ}$, $\overline{RS}$, and $\overline{TU}$ be parallel chords of a circle. The distance between chords $\overline{PQ}$ and $\overline{RS}$ is 4, and the distance between chords $\overline{RS}$ and $\overline{TU}$ is also 4. If $PQ = 78$ and
asked by Daniel on December 6, 2015 
geometry
Let $\overline{PQ}$, $\overline{RS}$, and $\overline{TU}$ be parallel chords of a circle. The distance between chords $\overline{PQ}$ and $\overline{RS}$ is 4, and the distance between chords $\overline{RS}$ and $\overline{TU}$ is also 4. If $PQ = 78$ and
asked by Anonymous on December 6, 2015 
English
1. Put two scrambled word pieces together and make one complete word. 2. There are scrambled word piece cards on the table. Find two scrambled word pieces which can become a word. 3. Combine two scrambled word pieces with each other and make a sentence. 4.
asked by John on August 31, 2009 
Physics
1.A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 181 N at an angle of 20.8◦ above the horizontal. The box has a mass of 40.3 kg, and μk between the box and the floor is 0.29. The
asked by Alana on November 2, 2016 
Physics
I have been unable to find text references for this material in my book: The problem gives me two spheres, Sphere A has unevenly distributed negative charges, Sphere B has negative charges distributed almost evenly near the edge of the sphere, forming a
asked by BAdams on June 4, 2008 
Physics
A block of mass m1 = 22.0 kg is connected to a block of mass m2 = 40.0 kg by a massless string that passes over a light, frictionless pulley. The 40.0kg block is connected to a spring that has negligible mass and a force constant of k = 260 N/m as shown
asked by Anonymous on March 12, 2013 
marketing
Your manager has asked you to investigate the Internet marketing strategies used by the company's major competitors. Use the library, the Internet, and any other resources to research competitors and prepare a presentation. Here are the questions to
asked by ashley on February 17, 2011 
Physics
To measure how far below the ocean surface a bird dives to catch a fish, a scientist uses a method originated by Lord Kelvin. He dusts the interiors of plastic tubes with powdered sugar and then seals one end of each tube. He captures the bird at nighttime
asked by Lily on May 5, 2013 
Physics
Find the specific heat of an unknown metal given this data: Mass of the metal = 120 g Temp of the metal = 220 degrees Mass of the water = 30 g Initial Temp of the water = 20 degrees Final Temp of the water = 85.6 degrees Specific Heat of the water = 4.186
asked by Anonymous on January 6, 2017 
economics
Find the CPI for each year(2005 is he base year;and take 2005 as the fixed basket of goods for each year): 2005 price of apple is $1 for 100 quantity produced. Banana $2 for 50 quantity produced. 2006 price of apple is $2 for 150 quantity produced. Banana
asked by Carla on February 3, 2008 
probability self study
each of three identical jewelry boxes has two drawers. in each drawer of the first box there is a gold watch. in each drawer of the second box there is a silver watch. in one drawer of the third box there is a gold watch while in the other there is a
asked by Woody on May 19, 2015 
math
Twenty ﬁve machines working at a rate of 9 hours per day can complete a job in 16 days. A contractor intends to complete the job in 10 days using similar machines working at a rate of 12 hours per day. Find the number of machines the contractor requires
asked by kd on October 30, 2018 
polynomials & rational function
A drug is administered to a patient and the concentration of the drug in the bloodstream is monitored. At time t >= 0(in hours since giving the drug) the concentration is given by(in mg/L) c(t) = 5t / (t^2+1) Graph the function. From the graph, how do I
asked by Jen on February 2, 2007 
Algebra
Can someone help me do an example like this one. State the application, give the equation of the quadratic function, and state what the x and y in the application represent. Choose at least two values of x to input into your function and find the
asked by Alicia on November 24, 2007 
Math
Farmer Mansfield wants to find whether the straight pipes are parallel. The distance from barn B to the north end of pipe 1 is 143 ft, and from there to the north end of pipe 2 is 42 ft. The distance from the barn to the south end of pipe 1 is 121 ft, and
asked by Anonymous on March 4, 2011 
Pre calc
A boat is going 30 mph. It's direction is 100 degrees east of north. The water current is 15 mph and has a direction of 22 degrees east of north. Find the magnitude, and direction of boat.( with water current)
asked by Will on January 20, 2015 
Calc 3
Compute the flux of the vector field v(x,y)=(x,y) across the circle around the origin of radius 3. Compute the flow of the vector field v(x,y)=(x,y) along the circle around the origin of radius 3. I know the equations to find flux and flow, but I don't
asked by Anon on December 2, 2015 
Physics HELP!
You are at the controls of a particle accelerator, sending a beam of 3.90×10^7 m/s protons (mass m ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the
asked by Allison on May 11, 2011 
Probability
Manhole explosions (usually caused by gas leaks and sparks) are on the rise in your city. On any given day, the manhole cover near your house explodes with some unknown probability, which is the same across all days. We model this unknown probability of
asked by A on April 20, 2014 
physics
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose crosssectional area is A2 = 0.0769 m2. The gas has a density of ρ = 1.30 kg/m3. The
asked by Archy on November 22, 2014 
physiscs
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose crosssectional area is A2 = 0.0779 m2. The gas has a density of ρ = 1.30 kg/m3. The
asked by leena on December 9, 2015 
Math
The base of a pyramidshaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find
asked by Betty on February 14, 2016 
COMBINATION!!MATH!!!hurryyy!!!
Cards are drawn at random from a 52card deck. Find the number of different 5card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a
asked by Katrina on January 5, 2007 
statistics
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by math on September 9, 2010 
statistics
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by shauna on April 4, 2010 
Statistics
A random sample of 384 people in a midsized city (city one) revealed 112 individuals who worked at more than one job. A second random sample of 432 workers from another midsized city (city two) found 91 people who work at more than one job. Find a 99%
asked by Huh on November 4, 2012 
math
. A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by Anonymous on January 14, 2010 
Statistics
A random sample of 384 people in a midsized city (city one) revealed 112 individuals who worked at more than one job. A second random sample of 432 workers from another midsized city (city two) found 91 people who work at more than one job. Find a 99%
asked by twetwewtw on October 26, 2012 
Science
1. Acceleration involves a change in ____. (1 point) speed velocity displacement direction 2. Which of the following statements about acceleration is true? (1 point) Like velocity, acceleration has a direction. Your acceleration is positive when you speed
asked by Anonymous on March 12, 2013 
Physics please help! check if its correct
A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner diameter of the pulley is 60.0 cm, while the outer diameter is 1.00 m. The system is released from rest, and there is no
asked by Brit on February 26, 2012 
physics ( please help me)
a railroad handcar is moving along striaght, fricionless tracks. In each of the following cases the car initially has a total mass (car and contents of magniude 4.00 m/s^1. Find the final velocity of the car in each of the three cases. A) a 40.0 kg mass is
asked by taylor on April 3, 2012 
Math
A number cube is rolled 100 times. The results are shown in the table below. Outcome: 1, 2, 3, 4, 5, 6. Number of times rolled: 22, 18, 9, 11, 19, 21. Find the experimental probability and express it as a percent. P(even) = ? A. 50% B. 40% C. 29%* How does
asked by Xx on May 17, 2017 
C Programming
I am trying to find the sum of two integers. I entered the following program into the Visual Studio and it is telling me that there are errors. Can someone tell me where they are please? #include int main( void ) { int integer1; int integer2; int sum;
asked by Claire on November 6, 2009 
Math
A number cube is rolled 100 times. The results are shown in the table below. Outcome: 1, 2, 3, 4, 5, 6. Number of times rolled: 22, 18, 9, 11, 19, 21. Find the experimental probability and express it as a percent. P(even) = ? A. 50% B. 40% C. 29%* How does
asked by Help! pls on May 17, 2017 
english
To what extents did Tolkien borrow characters,events and objects that are found in the book,"The Hobbit" from the pervious literature,"Scandinavia" I have not read either of these works, but if you go to http://www.google.com and enter as search terms, you
asked by Mike on October 5, 2006 
Algebra/Math
Can you check these for me. Directions: Find the slope of the line that passes through each pair of points. 1. (3,8) and (5,2) Answer: 10/8 2. (10,3) and (7,2) Answer: 5,17 3. (7,6) and (3,6) Answer: 9 4. (8,2) and (8,1) Answer: 0 undefined
asked by Karen on October 17, 2010 
Math
In basketball, a free throw is 1 point and a field goal is either 2 or 3 points. In a recent season, Tim Duncan of the San Antonio Spurs scored a total of 1342 points. The total number of 2point field goals and 3point field goals was 517, and he made 305
asked by Jeannine on January 7, 2008 
Teaching
1) T/F. Although there are many benefits in parents and teachers working together, research shows no change in children's learning when parents are involved. False 2) T/F. An appropriate approach to the initial conference at the beginning of the school
asked by Anonymous on July 18, 2017 
urgent physics
A power line carries a current of 110 A at a location where the Earth's magnetic field has a magnitude of 0.37 Gauss (0.37·104 T) and points due north, very nearly parallel to the ground. Find the direction and magnitude of the magnetic force exerted on
asked by sonia on November 4, 2011 
Physics
You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. The block, with the embedded bullet, then slides across a frictionless table and collides with a horizontal
asked by Marie on March 23, 2014 
math
There are 10 children (aged 1 to 10 years) who have equal amounts of money. In the first transaction the eldest child gives one rupee to every child younger to him. In the second transaction, the second eldest child gives one rupee to every child younger
asked by jenny on November 17, 2014 
english check
Like a teenager’s selfish desire to obtain status through possessions, Paul’s mother demonstrates the same immature importance of material objects and outward appearance in D.H Lawrence’s short story “The RockingHorse Winner.” This wonderful
asked by Anonymous on November 1, 2008 
Java Programming
Hey! Thanks for checking my question out! ____ 10. If x is a sorted array of int values, which of the following shows a call to a method of the Arrays class that will determine if the value 7 exists in the array? (1 point) a) int loc =
asked by Da Fash on November 8, 2017 
algebra
A store mixes Brazilian coffee worth $11 per kilogram and Venezuelan coffee worth $15 per kilogram. The mixture is to sell for $14 per kilogram. Find how much of each is needed to to make a 216kilogram mixture. Brazilian coffee needed Venezuelan coffee
asked by Christina on August 13, 2012 
Accounting III
What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most
asked by Rochelle on April 5, 2011 
Accounting 3
What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most
asked by Renee on November 21, 2011 
Accounting 3
What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most
asked by Renee on November 21, 2011 
statistics
4. Are women getting taller? In one state, the average height of a woman aged 20 years or older is 63.7 inches in 1990. A random sample of 100 women is taken to test if women’s mean height today is different from 1990. The mean height of the 100 surveyed
asked by Amanda on December 16, 2013 
Math
On the six tests in her social studies course, Jerelyn's score were 92, 78, 86, 92, 95, and 91. Determine the median and the mode of her scores. If Jerelyn took a seventh test and raised the mean of her scores exactly 1 point, what was her score on the
asked by JAsmine on September 13, 2008 
math
how would this equation look: y=f(x+3) when y=f(x)= x^2 would it look like so.... x^2(x+3) adam, there's a slight problem with your notation in the expression y = f(x+3). Ordinarily we wouldn't put an expression in place of a variable, unless we were
asked by adam on July 6, 2006 
Physics
Some spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. a. If the sail material has a density of 600.0 kg/m3, what is the maximum thickness
asked by Louis on March 10, 2011 
statistics
5. The ages of husbands and wives in a community were found to have a correlation coefficient equal to +0.8; the average of husbands’ ages was 25 years and that of wives’ ages 22 years; their standard deviations were respectively 4 and 5 years. Find
asked by Deba on February 11, 2012 
PLEEEEEAAAASE HELP WITH DIFFERENTIAL EQ PROBLEMS!!
1) What are the equilibrium solutions to the differential equation and determine if it is stable or unstable with the initial condition y(4)=1: 0.1(y+2)(4y) 2) Use Euler's method with step size=0.5 and initial condition y(0)=3 to solve the equation
asked by Karen on December 8, 2014 
math
Suppose 10% of the flights arriving at an airport arrive early, 60% arrive on time, and 30% arrive late. Valerie use the random number table to find the experimental probability that of 5 flights, at least 2 will arrive late. The digit 0 represents flights
asked by helpppppp on May 16, 2016 
tats
No(Did not lie) Yes(lied) positive test result 15(false positive) 42(true positive) negative test result 32(true negative) 9 (false negative) Refer to table and assume that one of the 98 test subjects is randomly selected. Find the probability of selecting
asked by Help please! on February 6, 2011 
statistics
5. The ages of husbands and wives in a community were found to have a correlation coefficient equal to +0.8; the average of husbands’ ages was 25 years and that of wives’ ages 22 years; their standard deviations were respectively 4 and 5 years. Find
asked by Deba on January 14, 2012 
Algebra
Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the squareo of its velocity (v). If an object has an mass of 22.5 kilograms and moving with a velocity of 20 meters per secomd has a
asked by rosa on May 23, 2010 
math
Muthu, Ali and Bill shared a sum of money. 30% of Muthu's share was equal to 80% of Ali's share. Bill's share was 25% of Muthu's share. Ali had $185 more than Bill. (a) Find the total sum of money. (b) If Muthu gave Bill 55% of his share, what percent of
asked by Anonymous on December 30, 2013 
maths exponential functions
Hi I have a Maths quiz on Monday and i have been of sick for the past week. I received these review questions from my teacher via email and he isn't replying to my questions i really do not get these questions if someone can do these and explain to me how
asked by TroubleInMathedise on March 13, 2011 
Accounting
Your client Anjelica Seeds wants to purchase a BurgNFry franchise. The buyin is $500,000. BurgNFry headquarters tells Anjelica that typical annual operating costs are $160,000 (all cash) and that she can bring in “as much as” $260,000 in cash
asked by Kristen on June 5, 2012 
socialsBarkerville the Evolution of a town
Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own
asked by Emma on June 8, 2011 
Barkerville
Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own
asked by Emma on June 8, 2011 
physics
In the circuit below, at time t = 0, the switch is closed, causing the capacitors to charge. The voltage across the battery is 12 V The circuit: flickr. com/photos/ 68751220@N03 /6848519773/ A)Calculate the time constant for the RC circuit B)Calculate the
asked by Dan on July 27, 2012 
physics
a 60kg man is on a steadily rotating Ferris wheel. the man is standing on a bathroom scale and the scale reads 45kg at the top of the wheel. take g=10m/s^2 (a) what does the scale read when the man is at the bottom of the wheel? (b)what does the scale read
asked by Ashley on October 11, 2010 
math
speakeasy company offers customers a choice between 3 schemes:1st,a monthly charge of $15 + 5cents/ min.2nd,a monthly charge of $5 for the line rental +20 cents/min,3rd a(pay as you go) charge of 35cents/min with no monthly line rental charge.
asked by rima on May 10, 2010 
Statistics
One last one. A poll at Steve's high school was taken to see if students are in favor of spending class money to expand the juniorsenior parking lot. Steve surveyed 6 random students from the population. 85% favored the expansion, while 15% opposed it. a)
asked by Josh on November 25, 2015 
Algebra 2
If log(base10)of 2 =0.301 and log(base10) of 3 = 0.477, how would I find a) log(base10) of 8 b) log(base10) of 12 c) log(base10) of 15
asked by Sira on May 9, 2012 
physics
I really need help on D part of the following problem: A clever engineer designs a "sprong" that obeys the force law F subscript e = q(x  x subscript e)^3, where x subscript e is the equilibrium position of the end of the sprong and q is the sprong
asked by Ashley on December 1, 2009 
alg
1. (20 points) Police use the equation to estimate the speed (s) of a car, in miles per hour, based on the length (x), of its skid marks upon sudden braking on dry asphalt. a. Solve this equation for d. b. A motorist is involved in an accident. The skid
asked by patricia on July 23, 2011 
English
can you help point out any stylistic devices in this poem? He seemed to know the harbour, So leisurely he swam; His fin, Like a piece of sheetiron, Threecornered, And with knifeedge, Stirred not a bubble As it moved With its baseline on the water. His
asked by Marcus .H. on June 23, 2007 
Math
Can someone please go over the steps to solve this problem? I know I need to find where the tugboat intersects the radar but I'm not sure exactly how to do this. A radar buoy detects any boats within a radius of 12 miles. A tugboat starts at a location 18
asked by Lily on August 17, 2011 
maths
Let's denote the three numbers by a1, a2, and a3. Consider the third degree polynomial: p(x) = (1 + a1 x)(1 + a2 x)(1 + a3 x) Take the logarithm: Log[p(x)] = Log(1 + a1 x) + Log(1 + a2 x) + Log(1 + a3 x) Expand in powers of x by using that: Log(1 + x) = x
asked by Count Iblis on July 23, 2007 
algebra
Kirk and Montega mow the soccer playing fields. They must mow an area of 500 ft long and 400 feet wide. They agree that each will mow half the area. Kirk will mow around the edge in a path of equal width until half the area is left. *What is the area each
asked by Trixie on May 8, 2008 
Physics
A 2.50g bullet, traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 270g (a) find the speed of the bullet/block combination immediately after the collision (b) how high does the combination rise above
asked by CJ on March 2, 2007 
Chemistry
Tutors: thanks for your help. Is this how this problem is solved ? A sample of Xenon gas at 20degrees celcius and 0.570atm is cooled to a pressure of 0.100atm. If the volume remains constant what is the final temperature in degree celcius? Solution: Using
asked by Cliff on November 23, 2010 
Stasistics
Here is the distribution of educational level of adults aged 25 and over in the United States in the year 2012. Intervals include the left endpoint but not the right. You can define "17+" to mean "17 to 22." The percent with 22 or more years of education
asked by A on February 25, 2013 
Physics
A. You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity at an angle θ with respect to the horizontal. Let the
asked by Awonah on September 9, 2011 
chemistry
How much heat is required to vaporize 3.50L of at its normal boiling point? The following data are given for Carbon Tetrachloride. Normal melting point, 23 Degrees Celsius, normal boiling point, 77 Degrees Celsius; density of liquid, 1.59g/mL; Delta H
asked by Linda on December 8, 2008 
chemistry
How much heat is required to vaporize 3.50L of at its normal boiling point? The following data are given for Carbon Tetrachloride. Normal melting point, 23 Degrees Celsius, normal boiling point, 77 Degrees Celsius; density of liquid, 1.59g/mL; Delta H
asked by Linda on December 8, 2008 
Math
Centerville is the headquarters of Greedy Cablevision Inc. The cable company is about to expand service to two nearby towns, Springfield and Shelbyville. There needs to be cable connecting Centerville to both towns. Centerville is located at (10,0) in the
asked by Lukas on December 12, 2014
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