# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 806

Krugman and Obstfeld make sure to challenge three commonly held “misconceptions about comparative advantage”. They make their arguments intuitively and with little discussion of relative prices. Expand on the challenge to these three “myths”. Use

asked by Deena on November 5, 2008
2. ## Math

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold \$10,957 worth of gasoline yesterday. Regular grade sold for \$2.30 a gallon and premium grade sold for \$2.55 a gallon. If the station sold 420 more gallons of

asked by Ann on May 1, 2013
3. ## algebra

You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object

asked by linda on November 12, 2009
4. ## physics 11

A 1200 kg car on a horizontal surface starts from rest and accelerates uniformly to 72 km/h in 20.0 s. Friction exets an average force of 450 N on the car during this time. a) what is the net work done on the car b) how far does the car move during this

asked by janeae on September 27, 2011
5. ## socials

i have to identify problems associated in india with education. what the problems are and success it have. i actually not been to india only pakistan. i think problem be that large population, large birth rates, fertility rate is large. literacy rate is

6. ## History

Okay so I was just wondering if you could check my answers. ----------------------------------------------------------------------------------- In the text, you read this about the health issue during Bill Clinton's presidency: In 1994, some 37 million

asked by T.Kimbrough on March 29, 2019
7. ## maths

At the local fire station they have different lengths of fire hose. the shortest is half the length of the middle-sized one, and one fifth of the length of the longest one. if i connect the three different hose lengths together i make a hose 120m long. how

asked by montana on August 4, 2010

Weather Gone Wild -During this semester, I was to keep track of a current event. I chose researching extreme weather nation wide, but I was most interested in discovering if there was any sort of extreme weather happening around the United States, as well

asked by shining_star007 on November 19, 2006
9. ## chemistry

calculate the equilibrium constant for the reactionas written at 940K. NH4Cl->NH3+HCl delta H= NH4Cl -1779, NH3 -46, HCl -92 delta s= NH4Cl - 682,NH3 192,HCl 187 i don't know how to solve for the equilibrium constant without the concentration of the

asked by david on April 14, 2008
10. ## algebra

Andrew is making a plan to complete a class math assignment. He has 48 problems to complete over 5 days. He decides to complete the assignment is such a way that his total number of completed problems doubles every day. He realizes that that number must be

asked by Anonymous on October 21, 2013
11. ## Solving Trig Equations

Solve for x in the interval [-pi,0] a) sin^2x = 3/4 I know that you have +root3/2 and -root3/2 and the positive one gives you an error when doing the inverse of sin, but im confused about the -root3/2. I found that one of the answers of x is -pi/3 (-60

asked by Mandy on November 27, 2015
12. ## Algebra2

The piper Ad Agency claims that for every dollar spent on magazine advertising, monthly profit will increase by \$5.00. You presently spend \$5,000 on magazine advertising and your monthly profit is \$12,000. What will be your profit if you spend \$7500 on

13. ## Algebra 1

Andrew is making a plan to complete a class math assignment. He has 48 problems to complete over 5 days. He decides to complete the assignment is such a way that his total number of completed problems doubles every day. He realizes that that number must be

asked by Halle on October 26, 2014
14. ## math ALGEBRA

When the digits of two-digits numbers are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number. Can some one please help me here? The tens digit is T, the units

asked by DANIELLE on December 21, 2006
15. ## dynmic

Ball A is thrown vertically upwards with a velocity of 30m/s from the ground. After 3 seconds ball B is also thrown vertically upwards with a velocity of 50m/s from the ground. Determine the time at which ball A and B will meet in air. Step by step

asked by abd on November 6, 2016
16. ## Chemistry

Complete the charge balance equation for an aqueous solution of H2CO3 that ionizes to HCO3^- and CO3^2- ______ = ______ + _______ + _______ Given choices: [HCO3^-],[CO3^2-], [OH^-], 2[H^+], [H2CO3], 2[CO3^2-], 3[H^+], {H^+] I don't understand how to do

asked by Sam on February 4, 2013
17. ## Maths

you have to solve the following by finding the value of x and y. can u help please? x+3(x+1)=2x 1+3(x-1)=4 2x-2(x+1)=5x 2(3x-1)=3(x-1) 4(y-1)+3(y+2)=5(y-4) 3y+7+3(y-1)=2(2y+6) These are exercises in standard algebraic manipulation of equations. Basically,

asked by number 420 on April 22, 2007
18. ## math

what formula would i use to solve for this: Loan Interest A developer needs \$80,000 to buy land. He is able to borrow the money at 10% per year compunded quarterly. How much will the interest amount to if he pays off the loan in 5yrs? You need a loan

asked by student on June 19, 2007
19. ## Social Studies

1.What economic system focused on exports and acquiring precious metals? A.capitalism B.mercantilism***** C.market economy D.traditional economy 2.Why did Dutch and English landowners force peasants off the land? A.to motivate people to emigrate overseas

asked by Any one . plz check these!! Thanks on October 15, 2018
20. ## Health (can someone plz check my answers??)

1. The functions of the respiratory system are... (there are two answers) A. To pump blood to the body B. To deliver oxygen to the body*** C. To remove carbon dioxide from the body*** D. To absorb nutrients 2. The dome-shaped muscle that lies below the

asked by Anonymous on February 22, 2016
21. ## Language PLZZ

2. Explain the metaphor: If Sam describes his commute home by saying the interstate was "a parking lot" he means he couldn't get out of the parking lot. he made it home in record time. the congestion was so bad that the traffic was barely moving.* 3.

asked by YOLO on May 17, 2015
22. ## Physics

I found the average acceleration of earths orbit around the sun over a period of 5 days by calculating delta theta and dividing by radius and 1/T. I got the right answer but as I am studying for my test, I am seeing the units do not work...does this make

asked by Brenda on October 24, 2012
23. ## Algebra ll

Sapphire Island is open 7 days a week The park has 8 ticket booths and each booth hsa a ticket seller from 10 am to 5 pm. On average, ticket sellers work 30 hours per week 1. The park plans to hire 20 percent more than the minimum number of ticket sellers

asked by Anonymous on September 7, 2016
24. ## math

A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as

asked by ifi on December 24, 2012
25. ## LA 2 questions plz help asap

A. Action that begin in the past and continues in the present B. Action that begins and ends in the present C. Action that begins in the present and continues in the future**** D. future action that begins in the past, extends to the present and continues

asked by #AriannaGirl :) on November 17, 2015

Write an equation of the line satisfying the given condition. a) x intercept = 3 y intercept=-2 I am really not sure how to start here. b) vertical line containing (5,-1) Would it be y=5x-1? c) parallel to the line 3x-4y=5 and containing the points (3,-6)

asked by Hannah on October 5, 2010
27. ## Physics

An ideal massless spring is fixed to the wall at one end. A block of mass M attached to the other end of the spring oscillates with amplitude A on a frictionless, horizontal surface. The maximum speed of the block is V_m. The force constant of the spring

asked by Tammy on March 25, 2007
28. ## chem.

Hey this is my question: At a temperature of 300°C and a pressure of 40.5 MPa, 90.0 mol of H2(g) and 80.0 mol of N2(g) are injected into a reaction vessel. When equilibrium is established, 37.0 mol of NH3(g) are present. The number of moles of H2(g)

asked by yo! on June 18, 2006
29. ## Chemistry

1.984 g of a hydrate of K2CO3 is dissolved in 250. mLs of H2O. 10.0 mLs of this solution is tirade against 0.100 M HCl, producing the following results. Flask 1 - Initial 0, final 9.2 Flask 2 - Initial 9.2, final 18.3 Flask 3 - initial 18.3, final 27.8

asked by Candice on January 12, 2015
30. ## algebra

In 1992, the life expectancy of males in a certain country was 61.6 years. In 1995, it was 65.2 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is...

asked by Jenniah on September 12, 2010
31. ## Trigonometry

Alrighty I have to find two real world sinusoidal functions. I found: 1. A piston in an engine moves up and down in a cylinder. The height, h centimeters, of the piston a t seconds is given by the function: h= 120 sin(πt) + 200. 2. You can find the

asked by Lauren on November 6, 2012
32. ## math

For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most

asked by Jessica on March 4, 2010
33. ## Lee

For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most

asked by Jessica on March 2, 2010
34. ## English

These __________ of strategies work __________. A. kind; well B. kinds; good C. kinds; well D. kind; good C

asked by Susan on May 13, 2014
35. ## math

a box contains more than 25 but less than 40 balls.when we counted by 3 there are 1 left over,when we counted by 5 there are 2 left over.how many balls are there in the box ? please explain how you work it out,thanks

asked by charlie on December 2, 2012
36. ## english

places in his life conflicts in his life men in his life can it be his father? people he worked with etc mistakes he made victories he celebrated having kids publishing his poetry/plays elizabethan cultures and traditions that influenced his life and

asked by Reina B. on April 23, 2014
37. ## History

Hello, I've gone through my history unit test for Connections Academy Reach Cyber and I am very stumped and I can't find answers or can't reasearch enough to find the answers. I've read through too many articles and I am just about to give up, this is my

asked by Stereotypical tomboyish Creature on May 1, 2019
38. ## physics lab

For a physics lab, I measured length, width, thickness, and mass of 2 blocks of wood, 3 trials each. There were 2 questions on the lab that I did not understand how to do. 1. For each trial, find the ratio between the mass and the volume. Based on your

asked by anonymous on September 1, 2006
39. ## english

Ethos Writing Assignment: Imagine that you need to convince your audience that you have ethos in order to construct your argument. What qualities or traits do you have that create your ethos? What experiences do you have the give you authority and

asked by y912f on November 9, 2010
40. ## physics

In Mostar, Bosnia, the ultimate test of a young man's courage once was to jump off a 400 year old bridge into the River Neretva, 23 m below the bridge. (a) How long did the jump last? (b) How fast was the diver traveling upon impact with the river? (c)if

asked by Anonymous on September 12, 2007
41. ## physics

In Mostar, Bosnia, the ultimate test of a young man's courage once was to jump off a 400 year old bridge into the River Neretva, 23 m below the bridge. (a) How long did the jump last? (b) How fast was the diver traveling upon impact with the river? (c)if

asked by Anonymous on September 12, 2007
42. ## history

i have 4 questions from an excerpt from President Truman's "Truman Doctrine" speech, made to Congress in March 1947. "nearly every nation must chose between... i believe that we much assist free peoples to work out their.." my first question is : when

asked by history on March 31, 2009
43. ## Physics

A low friction cart (similar to what you use in the lab) collides with a second low friction cart. Cart A has a mass of 0.500 kg and cart B has a mass of 0.750 kg. Glider A was moving at 40.0 cm/s before the collision. Glider B was at rest. (a) The carts

asked by Anonymous on November 23, 2015
44. ## English

Correct following Sentences: 1. Seeing the barrels, the driver immediately slammed on his brakes. 2. A really well-stocked bookshelf should have classical literature on it as well as important modern works of the current day. 3. China’s enormously huge

asked by Ruba on April 22, 2011

A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 71 kg, and the height of the water slide is 12.0 m. If the kinetic frictional force does

asked by Hannah on June 1, 2012
46. ## social studies

What was the significance of the Boston Massacre? A. It marked the start of the American Revolution. B. It increased tensions between American colonists and England. C. It brought a temporary end to colonial protests. D. It led England to close the port of

asked by jasmine33 on October 18, 2018
47. ## Math fractions

Carlos spent 1 1/4 hours doing his math home work. He spent 1/4 of this time practicing his multiplication facts. How many hours did Carlos spend practicing his multiplication facts? Need an answer in numbers and an answer in fractions.

asked by Dalt on April 2, 2017
48. ## Chemistry

Need help with these conversions please 0.08206 Latm/molxK to cal/molxK ? 0.08206 Latm/molxK to J/molxK ? I will be happy to critique your work. You have the conversion coefficents. 0.08206 X 101.3 = 8.31 cal per molK 0.08206 x 4.184 = .343 J per molK

asked by Paul on January 21, 2007
49. ## World History

I have a set of Photo Analysis Questions which are as follows: 1. Who are the people in the photo and what do they look like? 2. What is the relationship between he different people in the photo? 3. What are the people doing in the photo? 4 What is the

asked by Patrick on September 2, 2016
50. ## Writing

Excerpt – An entertainment-driven culture runs the risk of encouraging passivity among its citizens. If they can experience something vicariously through a movie, television show, or video game, why would they get involved with the activity itself?

asked by Arick on September 9, 2008
51. ## Statistics

1. A study of 40 people found that they could do on the average15 pull ups with a standard deviation of .6. Find the 99% confidence interval for the mean of the population. 2. A study of 50 pizza delivery workers found that they could make 6 deliveries per

asked by Cam on May 3, 2013
52. ## trig

give exact value of cos 75 degrees. give exact value sin 15 degrees. give exact value sin 225 degrees. You will have to use the addition relations here. Notice 75 is 30 +45, 15 is 45-30, and 225 is 180 + 45. I will be happy to critique your work.

asked by Matt on January 18, 2007
53. ## algebra 1 sequences

Year 2003 2004 2005 2006 Populatation 22.12 22.49 22.86 23.41 A. divide the population for each year by the population in the preceeding year. Round to the two decimal places and show the Texas population increase that is approximately geometric. 1.01 B.

asked by amber on February 26, 2011
54. ## Algebra sequences

Year 2003 2004 2005 2006 Populatation 22.12 22.49 22.86 23.41 A. divide the population for each year by the population in the preceeding year. Round to the two decimal places and show the Texas population increase that is approximately geometric. 1.01 B.

asked by Amber on March 2, 2011
55. ## magnetic field

A square loop with resistance R=0.001 Ohms,mass 1.0 gram, and side length 1.0 m is falling into a region of uniform magnetic field. The magnetic field has strength 1 Gauss and is pointing out of the page. The speed of the loop just before it enters the

asked by Physics on June 7, 2010
56. ## SS-HELP

i have no idea what they are asking, help!! For this portfolio project, you will conduct research and examine documents that show the thoughts of both immigrants and people who opposed immigration. You will use the research and primary documents to write

asked by W.D gaster blaster master on March 10, 2017
57. ## Math

1. Use formulas to find the lateral area and surface area of the given prism. Round your nearest answer to the nearest whole number. use the large 19x6 m rectangles on the top and bottom as the bases. Left corner is 2m, bottom length is 19m, and right face

asked by Tim on May 17, 2016
58. ## Precalc/Trig

I have no idea how to solve this one problem: Round to two decimal places. Two observers 25 feet apart, sight to the top of the tree. If the angle of elevation to the top of the tree from the observer closest to the tree is 30 degrees and the angle of

asked by Heather on December 1, 2014
59. ## calculus

I need help with this problem. I think I figured out how to set it up but I keep getting stuck in the middle. A boat is pulled into a dock by a rope attatched to the bow of the boat and passing through a pulley on the dock that is 1m higher than the bow of

asked by Anonymous on March 30, 2009
60. ## physics

A ball rolls horizontally off the edge of a tabletop that is 1.0m high. It strikes the floor at a point 1.5m horizontally away from the edge of the table. Find the speed when the ball left the table. Find the time it takes to fall 1 meter. Then, you have

asked by Jean on March 11, 2007

His first fight was for his health and vigor. It all began at the age of nine. As a child, he was weak and thin because of his asthma. His father, the first Theodore, motivated him to fight his ill health. On the third floor of the house in New York where

asked by Helen on February 2, 2016
62. ## science

How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and suppose the ball travels along a straight line and assume a speed of 24 m/s. A racecar driver steps on the gas, and his car travels 16

asked by bittubeniwal on June 17, 2013
63. ## math

The greater of two numbers is 1 more than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the numbers. The second of three numbers is 1 less than the first. The third number is 5 less than the second. If the first number

asked by delaney on October 5, 2008
64. ## Geometry

1. If triangles EIO = UAN, EI = 3x-4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of

asked by Lily on March 4, 2015
65. ## instruction(am i right track)

Plan a presentation for parents to explain the purpose of performance assessment, the use of rubrics, and portfolio assessment. Phases of the Evaluation Process Although the evaluation process is not necessarily sequential, it can by seen as a cyclical

asked by scooby on February 26, 2010
66. ## Economic

The market for Good X can be depicted with the following demand and supply equations: Demand: P = 50 – 1/2Q Supply: P = 1/3Q Where P is price per unit and Q represents quantity in units. Policy makers plan on imposing a \$1 per unit tax on this good.

asked by Dina on April 11, 2010
67. ## Calculus

A sphere with radius 1m has temperature 15 degrees C. It lies inside a con- centric sphere with radius 2m and temperature 25 degrees C: The temperature T(r) at a distance r from the common centre of the spheres satisfi es the di fferential equation:

asked by Maria on August 8, 2011
68. ## Chemistry

how do you write a chemical equation with this reaction? can u help me solve these 1.Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxdie gas. 2. Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen

asked by Lauren on January 26, 2009
69. ## physics

Assume that the dots in the painting are separated by 1.0 mm and that the wavelength of the light is vacuum= 500 nm. Find the distance at which the dots can just be resolved by (a) the eye and (b) the camera. I know that the resolving equation is

asked by Anonymous on April 23, 2014
70. ## P. Chemistry

The equilibrium 2 SO2(g) + O2(g) 2 SO3(g) has the value K = 2.5 1010 at 500. K. Find the value of K for each of the following reactions at the same temperature. (a) SO2(g) + 1/2 O2(g) SO3(g) K = (b) SO3(g) SO2(g) + 1/2 O2(g) K = (c) 3 SO2(g) + 3/2 O2(g) 3

asked by Tommy on February 15, 2010
71. ## statistics

experience in investigating insurance claims show that the averagecost to process a claim is approximately normally distributed witha mean of \$80.new cost-cutting measures were started and a sampleof 25 claims was tested .the sample mean of the costs to

asked by gina on December 15, 2012
72. ## ap chemistry

A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane. The normal boiling point of the solution is 61.51 degrees celcius, the normal boiling point for CCl4 is 61.2 degrees celsius. The boiling point constant for CCl4 is

asked by emily on October 30, 2012
73. ## algebra 2

Solve the problem. The profit made when t units are sold, t>, is given by P²-36t+320. Determine the number of units to be sold in order for P>0 (a profit is made). The future value of \$6000 invested for 5 years at rate r, compounded annually, is given by

asked by aj on July 6, 2011
74. ## algebra 2

Solve the problem. The profit made when t units are sold, t>, is given by P²-36t+320. Determine the number of units to be sold in order for P>0 (a profit is made). The future value of \$6000 invested for 5 years at rate r, compounded annually, is given by

asked by aj on July 6, 2011
75. ## AP Physics

This question had been asked for many times and I've read the solution and did it myself. Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the

asked by Anonymous on September 28, 2009
76. ## honors math 7th grade

its a venn diagram three circles. Here is the question. A study was made of 200 students to determine what tv shows they watch. 22 students hated all star trek shows. 73 students watch only the next generation(TNG) 136 students watch TNG. 14 students watch

asked by tina on September 22, 2010
77. ## chemistry

What happens to the solubility of oxygen gas (O2) in water in each situation? a. The pressure of O2 over the solution is decreased. solubility decreases solubility remains the same solubility increases b. The temperature is decreased. solubility remains

asked by krystal on February 21, 2012
78. ## math

Jaya had three ribbon with her. The length of the green ribbon was 12 metres 50 cm. The red ribbon was 3/4 of the lengh of the green ribbon. The yellow ribbon was 5/2 times the red ribbon.what is the length of the yellow ribbon? Give me the solution in

asked by Tehzeeb on January 5, 2017
79. ## English

I need help writing a story using these words. Any Ideas? 1.impute-- (v) to attribute an action to particular person or group 2.incompatible-- (adj) opposed in nature, not able to live or work together 3.inconsequential-- (adj) unimportant, trivial

asked by Anonymous on March 25, 2012
80. ## math

explain and demonstrate how to change 4/20 into a percent there are two ways we can work this out 4/20 times by 5 overall to get it out of 100, becomes 20/100. or you can do 4/20 then times that by 10 or 20 x what = 100? 5, right? so multiply 4 x 5 and

asked by lreyesorg on February 11, 2017
81. ## physics

A .15kg ball is dropped from a height of 14 m to the ground below, and hits the ground with a speed of 12 m/s. With what speed would the ball have hit the ground if there were no air resistance? How much work does the air resistance do on the ball?

asked by Jessica on October 4, 2010
82. ## Calculus

Suppose the integral from 2 to 6 of g of x, dx equals 12 and the integral from 5 to 6 of g of x, dx equals negative 3 , find the value of the integral from 2 to 5 of 3 times g of x, dx. A. 45

asked by Justin on June 14, 2019
83. ## Statistics

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR

asked by Katie on June 27, 2013
84. ## Math

a) Maria collects stamps. During a Philatelic (stamp) show and sale she increased the number of stamps in her collection by 3% when she bought 24 stamps. How many stamps did she have in her collection after she added the 24 new ones? b) In an 'End of

asked by CrissyXD on February 28, 2012
85. ## math help, correction

Anna has 12 bills in her wallet, some \$5 and some \$10. The total value of the bills is \$100. HOw many of each bill odes Anna have? How do i solve these type of problems my quess was this but i don't know if i'm correct. 5(x) + 10(y) = 100 5(0) + 10y = 100

asked by jasmine20 on January 11, 2007
86. ## aig math

Rosa and Marty had the same amount of money.After Rosa spent \$45 and Marty spent \$117, Rosa had 4 times as much money as Marty. How much money did Rosa have at first? I don't know the answer to this one so can you show me how you got your answer and what's

asked by lidia on October 21, 2012
87. ## calculus

Eric is standing on the ground, a distance of 70 ft from the bottom of Ferris wheel that has a 20 ft radius. His arm is at the same height as the bottom of the Ferris wheel. Janice is on Ferris wheel which makes one revolution counter clock wise every 16

asked by Praphul on June 15, 2014
88. ## Algebra

Determine the measure of each exterior angle. The triangle looks like an upside down A with one line running longer at the point. The inside angles are A- 50 and in the next corner 75. In the bottom of the A-letter I need to solve for C and A and the extra

asked by NA on March 4, 2016
89. ## math-help!

A croquet ball weighs 460 grams. Together a golf ball and a croquet ball weigh the same as ll golf balls. What does the golf bal weigh? I would be able to figure out the answer, but they're asking me to write the eqaution, and I always do it wrong! Let C

90. ## Biology

I have to come up with a theoretical experiment that would test whether the consumption of a certain food, i.e. strawberries is related to having a healthy heart. My plan was to measure the health of a person's heart prior to the study through EKG, cardiac

asked by Biologygeek on August 30, 2009
91. ## Design

The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is

asked by NONO on December 17, 2013
92. ## AP Bio potato/osmosis lab

If a potato core is allowed to dehydrate by sitting in open air, would the water potential of the potato cells decrease or increase? i think it decreases but i'm not sure. and if a plant cell has a lower water potential than its surroundings and if

asked by lisa on October 25, 2006
93. ## Chemistry

Completion Mole ratios from balanced equations may be used to solve problems with other units such as numbers of ______ and _______ of gases at STP. The _______ from the balanced equation are used to write conversion factors called ________. grams and

asked by Bryan on April 26, 2007
94. ## Geometry

A person standing h feet above sea level can seecd miles to the horizon. The distance r is the radius of the earth = 3963 miles. d is the tangent to the circle forming a right angle to the radius. h + r is the tangent. Solve using Pythagorean theorem and

asked by Loki on August 15, 2013
95. ## simple physics problem

A crate sliding down a ramp reaches the bottom of the ramp and slides across a flat floor. At the instant shown, the crate has a speed of v= 8.90 m/s. The crate comes to a stop after a distance x= 13.0m . What is the coefficient of kinetic friction between

asked by Anonymous on August 29, 2010
96. ## Math

2. Rename .709 as a percent. a. 709% b. 70.9% * c. 79% d. 7.09% 4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. a. about 16 b. about 2 c. about 20 d. about 14 5. Estimate

asked by Jman on November 2, 2012
97. ## finance

Thelma and Louie's Inc started the year with a balance of retained earnings of \$547 million and ended the ear with retained earnings of \$594 million. The company paid dividends of \$37 million to the preferred stockholders and \$77 million to common

asked by steve on February 10, 2013
98. ## Sam

only 2/9 the university students wanted to become math teachers. if 2800 didn't want to become math teachers how many university students were there? So, 2/9 * WN = 2800? How would you work it out?

asked by Math on May 6, 2014
99. ## Physics

If the net work done on an object is positive then the object's energy is ...? The object's energy would also increase since W= energy right? The object's energy wouldn't increase or decrease.

asked by Andrea on October 17, 2007
100. ## math

Bianca and yoko work together to mow the lawn suppose yoko mows 5/12 of the lawn and bianca mows 2/5 of the lawn how much of the lawn still needs to be mowed?

asked by gary on January 15, 2014