# suppose a map is scaled so that a half inch represents 25 miles. how many inches of the map represents 87 1/2 miles?

35,906 questions, page 318
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*Î¼*(1/2)*(Io*l/(4*pi))*e^(-jkr)/r * sinÎ¸ 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