1. calculus

    Suppose lighthouse A is located at the origin and lighthouse B is located at coordinates (0,6). The captain of a ship has determined that the ship's distance from lighthouse A is 2 and its distance from lighthouse B is 5. What are the possible coordinates

    asked by Tiffany on April 2, 2012
  2. statistics

    1. Suppose the number of students in line during office hours: # of Students (X) Probability P(X) 0 0.40 1 0.30 2 ???? 3 0.10 a. If you knew that the number of students in line was between 0 and 3, what is the probability that will be 2 students in line

    asked by ashley on January 13, 2011
  3. physics

    You do a certain amount of work on an object initially at rest, and all the work goes into increasing the object's speed. If you do work W, suppose the object's final speed is v. What will be the object's final speed if you do twice as much work? 1. 4 v 2.

    asked by Anonymous on January 16, 2010
  4. Grammar

    Im confused when it comes to capitalizing red sea? i know i have to capitalize the word red because it show's what kind of sea, a red sea of course. But am i suppose to capitalize sea too, or capitalize the word red ONLY?

    asked by Losa on June 13, 2012
  5. Physics

    A coiled Hookean spring is stretched 10 cm when a 1.5kg mass is hung from it. Suppose a 4 kg mass hangs from the spring and is set into vibration with an amplitude of 12 cm. A. Find the force constant of the spring. B. Find the Maximum restoring force

    asked by Kristin on February 16, 2011
  6. Calculus

    At 4 PM ship A is 40 miles due South Ship B. Ship A is sailing due South at a rate of 20 knots while ship B is sailing due East at a rate of 25 knots. Find the rate of change of the distance between the ships at 3 PM and at 5 PM. At what time were the

    asked by Bill on December 12, 2011
  7. Chem

    Which of these can be deduced according to this electrochemical cell? The image is at this address: cdstools(dot)flipswitch(dot)com/asset/media/678341 A. In the cell, zinc oxidizes magnesium and causes it to lose electrons. Magnesium must be less

    asked by Michael on June 13, 2018
  8. analytic geometry

    1. The orbit of the earth is an ellipse with the sun at a focus, the semi-major axes 93 million miles and the eccentricity is 1/60. Find the greatest and least distance of the earth from the sun. 2. A battle shipping is sailing at a straight line towards

    asked by sylvia on January 30, 2016
  9. Physics - HELP PLS

    A small dipole of length l with an input current Io radiates an electromagnetic wave that is TEM respect r with an electric field given by: E = j*w*μ*(1/2)*(Io*l/(4*pi))*e^(-jkr)/r * sinθ Find the expression of the magnetic field, the Poynting

    asked by Waves - AEC on March 11, 2018
  10. algebra. help!

    A cafeteria has two soda machines. Once machine has the following flavors: Cola, root beer, and lime. The second machine has lemon, orange, cola, and cherry. Which set represents all flavors in the two machines. a. {Cola, root beer, lime} b. {cola} c.

    asked by Abby on October 27, 2014
  11. Math help

    A cafeteria has two soda machines. Once machine has the following flavors: Cola, root beer, and lime. The second machine has lemon, orange, cola, and cherry. Which set represents all flavors in the two machines. a. {Cola, root beer, lime} b. {cola} c.

    asked by Abby on October 27, 2014
  12. physics

    1)when a person stands on bathroom scales the scale reads 60 kg. Suppose the person stands on the same scales when in an elevator (lift). the elevator accelerates upwards at 2m/s2. Determine the new reading on the scale. 2)When a golfer strikes a golf ball

    asked by waslat on March 15, 2014
  13. math

    Bobby has only pennies, dimes, and quarters. One half of Bobby's coins are pennies. One fourth of coins are quarters. Three of his coins are dimes. How many coins does Bobby have?

    asked by Anonymous on February 5, 2012
  14. Math

    Using the formula for the surface area of a SPHERE: Use Pi = 3.14 If the diameter of a sphere is 8 feet, find the surface area (round to the nearest square foot) 201 sq ft If a quart of paint covers 75 square feet, how many quarts of paint are needed to

    asked by Mike on May 16, 2008
  15. Physics

    A circuit with a capacitor took .138s to discharge from its max charge Qmax to half of that max charge once the battery was removed. In this series circuit there also is one resistor with 100 G(ohm symbol). The voltage drop is 12V across the battery. a)How

    asked by Andrea on April 4, 2008
  16. chem

    1.Pippete 20ml of 0.1M acetic acid and 20ml of 0.1M NaOH into a 100ml beaker (Remember that the final volume of this solution is the sum of the volumes of the acetic acid and NaOH solutions that have been mixed) 2. Pippete 20ml of 0.1 acetic acid into

    asked by tomi on April 26, 2009
  17. Math

    Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial

    asked by Help? on April 27, 2015
  18. Algebra

    Suppose that a virus doubles every 3 hours. If a person has 30 virus cells, how many will he have after 9 hours? I got 810,000. 30*30=900 900*900=810,000 or would it be 240 since 30*2=60 60*2=120 120*2=240

    asked by elioseaowl on May 25, 2015
  19. 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 on September 10, 2010
  20. Science

    I did A Lab in science where I had a Small hotwheels car and started and 6 books and made a ramp. I then timed how long it took the car to go 2 meters from the ramp. after each trial I added one more book to make the slope higher. The car stayed the same

    asked by Nicky on March 28, 2009
  21. Social Studies

    What did Isaac Singer do to improve American society? and what did he do that may not have been so good? Isaac Singer invented a way to make improvements to the sewing machine in an effort to boost up the sewingn industry and to create a better reliable

    asked by Jennifer on April 27, 2015
  22. math

    identify the variable, population and is this quantitative or qualitative The archaeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland. Because of it's archaeological importance, Tara has

    asked by marie on June 8, 2013
  23. psy

    Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula

    asked by mary on February 1, 2010
  24. psycholgy

    Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula

    asked by mary on February 1, 2010
  25. Physics

    When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N.

    asked by Anonymous on October 9, 2012
  26. 7 STATS MATHGURU PLEASE HELP

    A doctor wants to estimate the HDL cholesterol of all 20-29 year old females. How many subjects are needed to estimate the HDL cholesterol within 2 points with 99%confidence assuming s=17.8 based on earlier studies? Suppose the doctor would be content with

    asked by Megan on May 5, 2013
  27. math

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

    asked by k on February 11, 2012
  28. Math

    The cost for a business to make greeting cards can be divided into one-time costs (e.g. a printing machine) and repeated costs (e.g. ink and paper). Suppose the total cost make 500 cards is $1,100, and the total cost to make 650 cards is 1,400. What is the

    asked by Dylan on April 8, 2016
  29. English

    1)Read the passage below from "No Dogs Bark" and select the one that best represents imagery in the story. a)"Now and then he seemed to sleep." b)"The old man backed ou to a thick wall and shifted load but didn't let it down fron his shoulders." c)"The

    asked by Brandon on January 9, 2012
  30. Chemistry

    Consider the following reaction: 4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one flask, we have 2.0L of NH3(g) at a pressure of .500 atm. In the other flask, we have 1.00L of O2(g) at a pressure of 1.5atm. When

    asked by Claire on October 29, 2014
  31. biostatistics

    Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The primary outcome is peak expiratory flow rate, a continuous variable measured in liters per minute. the primary outcome will be

    asked by Natasha on November 19, 2011
  32. AP Chemistry

    Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous hydrochloric acid to metallic zinc. Zn(s)+2HCl(aq) -> ZnCl2(aq)+ H2(g) Typically, the hydrogen gas is bubbled through water for collection and becomes saturated

    asked by Anonymous on November 3, 2010
  33. Financial Math

    Suppose that you decide to lease a car. At the end of the 48-month lease period, you need to make a lump-sum payment of $5000 if you want to keep the car. You decide to save up, just in case you decide to keep the car; if you don’t keep this car, you

    asked by John on April 9, 2012
  34. Social Studies

    Read the paragraphs and answer the question. Think about how different it was when a traveler had to stop at every country’s border to show a passport and to change money to the local currency. Since 2002, the euro has replaced old currencies such as the

    asked by Adamissmart on April 16, 2019
  35. physics

    The function of those little black transformers that clog your power strips is to step down line voltage to run small electronic gadgets. Suppose a fax machine uses an ideal transformer with a primary voltage of 120 V and primary windings. If the secondary

    asked by seanmarch58 on July 27, 2014
  36. Physics

    NASA, when it sends probes to other planets, uses what is known as a gravitational slingshot. This is when a probe uses the gravitational potential energy a planet to gain kinetic energy. Even though the probe and the planet are not physically colliding,

    asked by Kimmy on November 11, 2014
  37. Physics

    NASA, when it sends probes to other planets, uses what is known as a gravitational slingshot. This is when a probe uses the gravitational potential energy a planet to gain kinetic energy. Even though the probe and the planet are not physically colliding,

    asked by Samantha on November 11, 2014
  38. physics

    The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.40 pin is dropped from a height of 30 , and that the pin emits sound for 1.4 when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy, and

    asked by JessicaP on May 28, 2012
  39. physics

    The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.50 g pin is dropped from a height of 27 cm, and that the pin emits sound for 1.4 s when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy,

    asked by Mike on May 26, 2012
  40. Stastics

    Suppose cars arrive at Burger King's drive-through at the rate of 20 cars every hour between 12:00 noon and 1:00 pm. A random sample of 40 one-hour periods between 12:00 noon and 1:00 pm is selected and has 22.1 as the sample mean number of cars arriving.

    asked by Emma on October 22, 2011
  41. reading

    Dear Mimmy, It’s almost half-term. We’re all studying for our tests. Tomorrow we’re supposed to go to a classical music concert at the Skenderija Hall. Our teacher says we shouldn’t go because there will be 10,000 people, pardon me, children,

    asked by jam jam jam on November 20, 2017
  42. algebra

    The coordinate plane below represents a town. Points A through F are farms in the town. graph of coordinate plane. Point A is at 2, negative 3. Point B is at negative 3, negative 4. Point C is at negative 4, 2. Point D is at 2, 4. Point E is at 3, 1. Point

    asked by Liz on January 28, 2018
  43. Chemistry

    The population of San Francisco is 750,000 in an area of 49 square miles. What is the population density in San Francisco? Express your answer in people per acre. ( 1mi(squared) = 640 acres ) 49 sq mi x (640 acres/1 sq mi) =?? acres. (Note that sq mi

    asked by Jamie on September 13, 2006
  44. physics

    A 1.3- block of ice is initially at a temperature of -3.5. If 6.6×105 of heat are added to the ice, what is the final temperature of the system? Find the amount of ice, if any, that remains. Suppose the amount of heat added to the ice block is doubled. By

    asked by katelyn on November 22, 2010
  45. Solar system

    According to the theory of gravitation, the earth must be continually “falling” toward the sun. If this is true, why does the average distance between earth and sun not grow smaller? Without gravity, the Earth would go in a straight line. It falls

    asked by Kim on January 1, 2007
  46. Statistics

    According to a study several years ago by the Personal Communications Industry Association, the average wireless phone user earns $62,600 per year. Suppose a researcher believes that the average annual earnings of a wireless phone user are now higher and

    asked by Feifer on July 6, 2011
  47. Physics

    A pipe organ is an aerophone with open ended tubes, with esssentially the same physics as the flute. (a) for normal room temperature, where the speed of sound is about 340 m/s how long is the pipe for the A440 note. (b) Suppose someone wanted to install an

    asked by Phil on April 18, 2017
  48. English

    I forgot to ask you the following question. I included a few other questions. Thank you very much. 1) When giving instructions on what to do before boarding a plane to a person who has never flown, shall I use "you have to", "you + simple present", "you

    asked by Henry1 on April 23, 2011
  49. Mathematics

    1. The speed of a current in a river is 6 mph. A ferry operator who works that part of the river is looking to buy a new boat for his business. Every day, his route takes him 22.5 miles each way against the current and back to his dock, and he needs to

    asked by Olivia N J on February 23, 2017
  50. math

    A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with

    asked by dmetrion on November 5, 2015
  51. algebra

    A plane that carries mail makes a round trip each day from Chicago to New York. It makes 3 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with

    asked by kara on November 28, 2010
  52. Calculus PLSSSSS HELP DUE SOON

    Assuming P≥0, suppose that a population develops according to the logistic equation dP/dt=0.03P−0.00015P^2 where tt is measured in weeks. Answer the following questions. 1. What is the carrying capacity? I tried solving the differential equation and

    asked by Regina on April 21, 2017
  53. Statistics

    Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed variance of . Some researchers claim that the variance of cholesterol levels of adult males is less than . Suppose that we want to carry out a

    asked by Michelle on April 29, 2011
  54. Economics Help pls

    Suppose you are given the following production function: , where y is output and K is capital. y= 60K + 20.3K2- K3 1.1 what is a production function, what is the real work application of such, and where would you source the data to develop a production of

    asked by Sarah on July 16, 2010
  55. Chemistry

    Question: Consider following equilibrium system: SO2(g)+ Cl2(g) goes to So2Cl2(g) Kp=.900 atm @25 degree C. Suppose that 2.0 moles S02, 1.0 moles Cl2, and 3.0 moles So2Cl2 are placed in an empty 4.00L vessel at 25 degree C. Compute the number of grams of

    asked by eliz on March 1, 2009
  56. Physics

    As part a of the drawing shows, two blocks are connected by a rope that passes over a set of pulleys. One block has a weight of m1 = 562 N, and the other has a weight of m2 = 758 N. The rope and the pulleys are massless and there is no friction. (a) What

    asked by Sarah Lothrop on September 20, 2010
  57. math 115

    dID IU do this right not sure and I thank you for helping ahead of time... 1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that

    asked by Donna on October 6, 2010
  58. math

    Three people Fatuma, Ali and Hassan contributed money to start a business.Fatuma contributed a quarter of the total amount and Ali two fifths of the remainder. Hassan’s contribution was one and a half times that of Fatuma. They borrowed the rest of the

    asked by kudu on February 20, 2015
  59. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the

    asked by maggie on November 21, 2009
  60. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the

    asked by julia on November 23, 2009
  61. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the

    asked by Maggie on November 22, 2009
  62. biology

    ou sequence many of the recombinant plasmids generated. You find three mutant versions of the inserted gene. (This is likely due to errors introduced during the PCR amplification.) The sequences of the gene found in the three mutants are given below.

    asked by Anonymous on November 15, 2013
  63. Main Ideas

    Both Seagulls and wild geese are large birds. They're also similar in that both kinds of birds can fly over great distances. On the other hand, seagulls are scavengers, while wild geese aren't. Seagulls, for example, are often found around garbage dumps.

    asked by Sam on September 27, 2013
  64. environmental science

    What web site can I use to find the biodiversity of Tropical rainforest?=) Please help! Check these sites. http://www.rain-tree.com/facts.htm (Broken Link Removed) But what do I suppose to write about that? I don't understand./:| Click on those web sites

    asked by Cho on August 21, 2007
  65. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ A small fashion boutique, J. Lollies, has an outdated logo and corporate identity. Its business is booming, but visually, the company seems to be lagging behind. The company's marketing materials desperately

    asked by Da Fash on September 19, 2017
  66. COM 140

    Finding a job in today’s competitive market not only takes time but also strategic planning. Creating résumés and job-application letters is only half the battle. Applicants also need to manage the interview process, including writing follow-up letters

    asked by Betty on April 11, 2009
  67. chemistry, chemical kinetics

    I keep getting these questions wrong, could someone please help. Thanks so much. Question 1 For the following overall reaction, the rate constant is 3.4x10^-2. A(g)+ 2B -> 2C + D What may be the rate reaction? Question 2 The rate law for this reaction is

    asked by student on July 2, 2010
  68. physics

    a)a box having mass of 500kg is placed on a horizontal surface.find the pressure exerted on the surface?do not forget to write formula. b)a pond of water filled with water upto 60m.1)write formula to find the pressure of water exerted on the base of

    asked by sweetie on November 24, 2010
  69. English

    In the first two paragraphs of this passage, the character of Zeena is best described as a A. round character. B. dynamic character. C. protagonist. D. stereotype. E. foil. ****I believe the answer is E, but I would like a second opinion, please. Thanks!

    asked by Mania on January 3, 2019
  70. Economics

    Suppose Fred and Ethel need to divide 20 pizza slices and 10 cans of beverage. Fred's utility function is given by the equation U=Min(Z,B), where Z is the amount of pizza and B is the amount of beverage. Ethel's utility is given by the equation

    asked by Brett on February 18, 2009
  71. Statistics

    Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed. (b)

    asked by Gayle on May 27, 2013
  72. college Econ

    Suppose Fred and Ethel need to divide 20 pizza slices and 10 cans of beverage. Fred's utility function is given by the equation U=Min(Z,B), where Z is the amount of pizza and B is the amount of beverage. Ethel's utility is given by the equation

    asked by Brett on February 19, 2009
  73. STATISTICS

    Suppose that you are in a class of 29 students and it is assumed that approximately 16% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed. (b)

    asked by BJ on June 5, 2014
  74. Stats

    Suppose that you are in a class of 31 students and it is assumed that approximately 10% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed. (b)

    asked by Kay on February 16, 2014
  75. English

    Thank you a lot for your corrections. Let me know if everything is OK now. 1) First, Chaucer describes the genle spring rain, which ends the drought of March. 2) Then he mentions the plants whose life source has such a powerful liquid that it sprouts the

    asked by Franco on May 5, 2010
  76. Algebra

    The value of many things we own depreciates over time. When an asset's value decreases by a fixed amount each year, the depreciation is called straight-line depreciation. Suppose your Ford Escape from Exercise 1 depreciates $1950 per year. a.Let v

    asked by kim on March 10, 2012
  77. Physics

    Also got lost on this question: A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4 m/s), (a) how far in advance of the recipients

    asked by LINA on January 18, 2016
  78. science CONFUSED

    I nead help with two questions. These to questions are confusing to me for some reason. Explain how the inheritance of traits is controlled in organsims. Use the terms genes and alleled in your explanation. The allele for round seeds is represented by R.

    asked by Amy L. on April 30, 2007
  79. MathematicalModels

    Suppose you have written a derivative that pays the squared value of the stock price at maturity T=1; that is, it pays S2(1). The stock currently trades at S(0)=100. Your model is a single period binomial tree with up value for the stock equal to 102 and

    asked by RVE on May 18, 2015
  80. Math

    1. Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? First

    asked by Rose on January 10, 2018
  81. calc

    1.A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window find the dimensions of a Norman window of maximum area when the total permeter is 16ft. 2. A rectangle is bounded by the x axis and the semicircle

    asked by Amber on July 8, 2017
  82. Chemistry

    you add excess sodium sulfate to a solution of a soluble barium compound in order to precipitate all of the barium ion as barium sulfate, BaSO4. Suppose a 458 mg sample of the barium compound is dissolved to create the solution. Then when the sodium is

    asked by India on March 12, 2012
  83. Chemistry

    you add excess sodium sulfate to a solution of a soluble barium compound in order to precipitate all of the barium ion as barium sulfate, BaSO4. Suppose a 458 mg sample of the barium compound is dissolved to create the solution. Then when the sodium is

    asked by India on March 12, 2012
  84. Goverment

    1: Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliment appoints the prime minister. Does Asha's nation have a limited or an unlimited

    asked by Lexi on October 13, 2016
  85. Real Estate Management

    3. A 50 unit apartment building has 20 – 1bedroom units; 20 – 2 bedroom units; and 10 - 3 bedroom units. The market price for the units is $600, $700, and $850 respectively. There is currently one of each unit vacant. Late fees are $15 and concessions

    asked by Brittany on September 22, 2010
  86. physics

    Suppose that the range of output frequencies is from 47.4 Hz to 14.8 kHz for a pipe organ. Take 343 m/s for the speed of sound. (a) What is the length (in units of m) of the longest pipe open at both ends and producing sound at its fundamental frequency?

    asked by anne on November 22, 2013
  87. Physics

    Suppose you have a system of two masses strung over a pulley. Mass 1 (6.5 kg) hangs on the right side of the pulley suspended over the ground at height 1 m. Mass 2 (2.2 kg) hangs over the left side of the pulley and rests on the ground. The pulley is a

    asked by Jannia on April 22, 2016
  88. Statistics

    An investigator wants to estimate caffeine consumption in high school students. How many students would be required to ensure that a 95% confidence interval estimate for the mean caffeine intake is within 15mg of the true mean? Assume the standard

    asked by Shavela on April 21, 2012
  89. linear

    Suppose that we have a system consisting of two interconnected tanks, each containing a brine solution. Tank A contains x(t) pounds of salt in 200 gallons of brine, and tank B contains y(t) pounds of salt in 300 gallons of brine. The mixture in each tank

    asked by jessica on April 28, 2015
  90. physics

    A constant horizontal pull of 8.25 N drags a box along a horizontal floor through a distance of 19.1 m. Q How much work does the pull do on the box? Ans: i got the answer as W = 158 J But i have problem with the second question? Question: Suppose that the

    asked by nancy on March 21, 2011
  91. linear algebra

    Suppose that we have a system consisting of two interconnected tanks, each containing a brine solution. Tank A contains x(t) pounds of salt in 200 gallons of brine, and tank B contains y(t) pounds of salt in 300 gallons of brine. The mixture in each tank

    asked by Anonymous on April 29, 2015
  92. Physics

    Suppose you’re building a contraption which contains a solid rod of length L = 12.5 m and mass 4.9 kg. This rod has its lower end barely above the ground at an angle of 20.6 degrees with respect to the horizontal, and is ultimately held up by a rope

    asked by Shirin on April 22, 2016
  93. Social Studies 30 Socialism

    Question reads "There are a large number of supporters for the command economy and welfare state. A question arises as to which system is better. Suppose you are required to support the position that the command economy is vastly superior, State some

    asked by Alexius on March 3, 2009
  94. Chemistry

    Consider the burning of LPG (propane C3H8)which produces carbon dioxide (CO2) and water vapor (H2O). The balanced chemical equation involving the reaction is C3H8+5O2= 3CO2+4H2O Suppose 1.5 moles of C3H8 will be used, assume the following: a. How many

    asked by Tsunayoshi on February 10, 2014
  95. Statistics

    Suppose cars arrive at Burger King's drive-through at the rate of 20 cars every hour between 12:00 noon and 1:00 pm. A random sample of 40 one-hour periods between 12:00 noon and 1:00 pm is selected and has 22.1 as the sample mean number of cars arriving.

    asked by Jake on October 22, 2011
  96. Algebra

    Scenario #1: You handle internal accounting for Anderson Homes, a land/housing developer. The company purchased land in Central Arkansas and developed 200 acres. Two orders were recently placed with a nursery by the company’s landscapers. The invoices

    asked by Joanne on December 17, 2009
  97. Math

    A large hose will fill a pool in 40 minutes while it takes a smaller hose 60 minutes to fill the same pool. The same pool requires 80 minutes to drain if the drain is open. Suppose one day both hoses are turned on, but by accident the drain was left open.

    asked by Charlene on February 20, 2017
  98. math

    suppose you copy the circle using a size factor of 150%.what will bet he radius,diameter,circumference,and the area of the image? radius will be 1.5 times as big diameter will be 1.5 times as big but the formula for area will be pi times the radius

    asked by chemiii on October 26, 2006
  99. MAT101

    6. Suppose you have a lemonade stand, and when you charge $2 per cup of lemonade you sell 100 cups. But when you raise your price to $4 you only sell 50 cups. Write an equation for the number of cups you sell as a function of the price you charge. Denote

    asked by SEMA HELP!!!!!!! on February 25, 2010
  100. college Geol 101

    Suppose you have a sample of clamshell at a Paleoindian site and you measure the 14C activity of a 100-gram sample of carbon as 320 disintegrations per minute (or 3.2 disintegrations per gram of carbon per minute). a.What was the activity (in

    asked by Jay on October 20, 2010