# 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 752

Acme, Inc.'s books show an ending cash balance of $14,500 before preparing the bank reconciliation. Given the bank reconciliation shows outstanding checks of$3,900, deposits in transit of $2,900, NSF check of$190, and interest earned on the bank account

asked by Lexis on June 22, 2016
2. ## Pre-Calculus

Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any

asked by Clarice on October 29, 2015
3. ## Chemistry

The lab we are doing is: Determining the ENTHALPY of a Chemical Reaction. There are three reactions. Reaction 1: NaOH + HCl, Reaction 2: NaOH + NH4Cl, and Reaction 3: HCl + NH3. I found the max temp, initial temp, and temp change of each reaction. Can you

asked by Rina on October 29, 2017
4. ## Physics Help Please! Decay Questions

archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and

asked by Anonymous on April 28, 2015
5. ## American History

Throughout the 17th and 18th centuries the colonists underwent a gradual transformation---they became less Anglo-American and more uniquely American. Discuss four elements responsible for this slow metamorphosis. (To merely list the elements is not enough,

asked by John on September 20, 2015

archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and

asked by Anonymous on April 28, 2015
7. ## DISCRETE MATHS

We need to show that 4 divides 1-n2 whenever n is an odd positive integer. If n is an odd positive integer then by definition n = 2k+1 for some non negative integer, k. Now 1 - n2 = 1 - (2k+1)2 = -4k2-4k = 4 (-k2-4k). k is a nonnegative integer, hence

8. ## Algebra 1

REINY, Thank you for your answer and the answer is obviously correct when you go back and do the multiplying ......however , I do not just want the answer, I desperately wish to understand from start to finish how you got the answer. I am sorry if I seem

asked by connie on March 15, 2012

Show that the expenditure approach and the income approach add up to the same figure: consumption $5000 investment$1000 depreciation $600 Profits$900 Exports $500 Compensation of Employees$5,300 Government purchases $1000 Direct Taxes$800 Saving $1100 asked by Tonya on April 4, 2008 10. ## Calculus 1)A north south highway, intersects an east west highway, at point P. A vehicle process point P @ 1pm, traveling east at a constant speed of 60km/h. At the same instant another vehiclist 5km north of P, travelling south at 80km/h, find the time, when the 2 asked by Deepa on April 24, 2014 11. ## English I forgot to include the following sentences. Thank you very much. 1) She requested that we didn't go too near the river bank. (is it possible to use the subjunctive instead of the simple past?) 2) We were requested not to go too near the river bank. She asked by Henry1 on May 16, 2011 12. ## Chemistry 0.500 mol of SO2, 0.100 mol of O2 and 0.700 mol of SO3 re intorduced simutaneously into a 1.00 L vessel at 1000 K. For the equillibirum, 2SO2 (g) + O2(g) 2SO3(g), the value of Kc at 1000K is 280. Show mathemtically that the mixture is NOT at equillibrium. asked by Lena on July 19, 2009 13. ## Physics A set of fossilized triceratops footprints discovered in Texas show that the front and rear feet were 3.2 m apart. The rear footprints were observed to be twice as deep as the front footprints. Assuming that the rear feet pressed down on the ground with asked by Cooper on November 3, 2011 14. ## Statistics 7. A random sample of n1 = 16 communities in western Kansas gave the following rates of hay fever per 1000 population for people under 25 years of age. 121 115 124 99 134 121 110 116 113 96 116 116 135 96 96 116 A random sample of n2 = 14 communities in asked by Tab on January 26, 2011 15. ## World 201 8. Confucius taught that filial piety had to do with the care and provision parents religiously gave to their children? False 9. Daoism is the belief that all people should reject social harmony and work to maintain a good and strong government? False 10. asked by amy on March 8, 2009 16. ## English I am seeking for some help in English (grammar and punctuation. Thanks!!! Please review the folloing: As you know, in the absence of timely copies of all bills and payments and medical records supporting the reasonableness and necessity of the services and asked by Yelena on December 7, 2011 17. ## sra JMcGuin spanish Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient asked by sam's Mom on January 1, 2009 18. ## College History Which of the following was NOT a result of the great migration of blacks in the 1920s? A) Blacks found they someetimes were able to work in jobs that has been closed to them in the South. B) African American consciousness was raised, providing feelings of asked by Maggie on November 30, 2012 19. ## english Homework Help Forum: brain teaser help Current Questions | Post a New Question Answer this Question | Further Reading Posted by sam on Sunday, April 2, 2006 at 3:34pm. try to find the error. I couldn't; it's very hard. A B C D E F G H I J K L M N O P Q R S asked by chris on September 10, 2006 20. ## S103 Which element results if 2 protons and 2 neutrons are ejected from a radium nucleus with atomic number 88 and mass number 226 - show workings? What is actually ejected is an alpha particle (helium nucleus). The new atomic number is 88-2 = 86 and the new asked by Pedro on March 7, 2007 21. ## math Low-voltage lighting is a popular feature of landscaping. Two pathways meet at 30 degrees to each other. One pathway has the lighting, and the first light is placed where the two paths meet. The distance between successive lights is 5m, and each has a asked by liz on October 29, 2007 22. ## Math "Ms Sue" The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9 Key: 9|6 means 69,Key: 5|8 means 58 a) Describe the overlap of the asked by moby on May 2, 2014 23. ## Math: 5th Grade A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she start with? You must use a bar model to solve this problem. asked by Alex on June 1, 2015 24. ## math A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she start with? You must use a bar model to solve this problem. asked by Katie on January 12, 2014 25. ## chemistry Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8° asked by Chris on September 14, 2010 26. ## Chemistry A beaker with 200 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 \it M \rm HCl solution to the beaker. How much will the pH asked by Bobby on March 29, 2011 27. ## Chemistry Bromine can be added to limonene to create a brominated compound. When 613 mg of limonene and 3.5 mL of a 10% (v/v) solution of Br2 in dichloromethane (a solvent) are combined, 959 mg of the product is isolated. Calculate the percent yield for this asked by Kate on March 2, 2010 28. ## concepts in Organizational Behavior You are currently working as a management consultant. You and your partner have been asked to analyze the corporate culture and organization of USA Today. You have decided to use the Step-by-Step Analysis to aid you in your work. You have decided to asked by Azizeh on March 28, 2010 29. ## Math please, please help Charlotte is planning a trip from her house in City A to the State Fair in City B. She uses 2 maps, each with a different scale & places them together so that they show her route. First map's scale is 2 3/4 inches with 3/4 inch equaling 30 miles. Second asked by Cale on January 22, 2015 30. ## ci What does it mean to be a good citizen? Be sure to include the three actions you listed in Step 2. What is the difference between a civic duty and a civic responsibility? Be sure to give an example for each to help explain. When have you experienced a asked by Ali on January 14, 2016 31. ## Pre- Algebra 1. What is (-7)^5 in expanded form? 2. Simplify the expression. (-3)^4 a. 81 b. -81 c. -12 d. 12 3. Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 4. 2/3 x 1/2? Simplify to lowest terms 5. Solve 1/6 / 2/6 6. Which of these asked by Dude on September 5, 2012 32. ## MATH About 0.350 of s stretch of forest is being cleared of timber. If the stretch of forest is divided into hundredths, how many hundredths are being cleared? Can you help me solve this question? Please see my previous answer. asked by Anonymous on February 2, 2007 33. ## math Please explain how to set this up and how to solve: A school's rectangular athletic fields currently have a length of 125 yd and a width of 75 yd. the school plans to expand both the length and the width of the fields by x yards. What polynomial is asked by Jane on March 21, 2012 34. ## precalc The angle of elevation to the top of a building from a point on the ground 20 degrees and the angle of elevation from a point 25 feet farther away is 12 degrees. Find the height of the building. How would I begin to solve this problem? I do not know what asked by adam on December 25, 2014 35. ## Math What is the best way to solve the following problems: Sam's family eats 4 to 6 apples every day. Which is a reasonable number of days that it will take Sam's family to eat a bag of 20 apples? Terry's party started at 6:30 p.m. and ended at 9:00 p.m. What asked by Mattie on March 14, 2011 36. ## Math A copy center offers its customers two different pricing plans for black and white photocopies of 8.5 in. by 11 in. pages. Customers can either pay$0.08 per page or pay $7.50 for a discount card that lowers the cost to$0.05 per page. Which equation can

asked by Jane on January 5, 2012
37. ## math

Jessica wants to invest $40,000 in two accounts. The annual returns of the accounts are 8% and 6% of her investment. Jessica would like to have an annual return of$2,500 from her two investments. Set up, but do not solve, the set of linear equations that

asked by steve on February 23, 2016
38. ## Physical Chemistry

The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol-1 to 72 kJ·mol-1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal?

asked by Mark on April 1, 2010
39. ## Physics

A wheel of moment of inertia 0.136 kg · m2 is spinning with an angular speed of 5000 rad/s. A torque is applied about an axis perpendicular to the spin axis. If the applied torque has a magnitude of 67.8 N · m, the angular velocity of precession will be?

asked by kjean on March 28, 2014
40. ## physics

A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then

asked by Anonymous on October 6, 2011
41. ## Electromagnetic Iduction

Neon sign require about 12,000 V for their operation. What should be the ratio of the number of loops in the secondary to the number of loops in the primary for a neon-sign transformer that operates off 120 V lines? Nprimary/Nsecondary=

42. ## Math

Conrad taxi service charges $1.50 for the first mile and$0.90 for each additional mile. How far can Mr. Kulp go for $20 if he gives the driver a$2 tip. Write a let statement; represent the additional miles in terms of the total travelled. Write an

asked by Miranda on September 13, 2012
43. ## Precalc Trig

here's the question: solve for cos(2theta)=1 if you graph r= cos(2Theta) then graph r=1 you find that there are four places where the graphs intersect. however, when solved algebraically, there are two solutions which can be represented in an infinitely

asked by Wulramm on November 20, 2015
44. ## physics

A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer

asked by mymi on October 30, 2011
45. ## Chemistry

What is the vapor pressure of a solution composed of 3.0 moles benzene (vapor pressure 12.1 kPa) & 1 mole chloroform (vapor pressure 25.2 kPa)

asked by Anonymous on January 15, 2008
46. ## Physics

Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass

asked by Anonymous on November 8, 2011
47. ## Physics

Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass

asked by Anonymous on November 8, 2011
48. ## Calculus

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin

asked by George on September 9, 2008
49. ## Calculus

Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin

asked by George on September 9, 2008
50. ## chem

I need help classifying these as physical or chemical changes! 1. sodium metal exposed to air turns dark gray. 2. steam in a test tube condenses to moisture. 3. baking soda in vinegar releases bubbles. 4. water dissolves in vinegar to give a solution. 5.

asked by Emily Grossman on March 1, 2011
51. ## Chemistry --Help 2! :)

Predict whether Fe(OH)2 will dissolve, precipitate, or do neither after: (a) water is added --> dissolve (b) Fe(OH)2 is added--> neither (c) Solid Fe(NO3)2 is added--> precipitate (d) Solid KNO3 is added---> neither I'm given the answers...but no

asked by Val on March 9, 2010
52. ## pre calculus

If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the

asked by sharon on April 1, 2013

Yoour goal is to save at least $240.00 over the next 4 weeks.How much must you save each week in order to meet that goal. Write and solve an inequality. a)4x>240;x>60 b)x>240;x>4 c)240x>60;x>60 d)4x asked by Cow on February 2, 2017 54. ## math what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB. asked by trey on March 16, 2012 55. ## chemistry I'm not sure how to solve this: If 125 cal of heat is applied to a 60.0-g piece of copper at 20.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C). Express the final temperature numerically in degrees Celsius asked by mysterychicken on January 29, 2014 56. ## Math Cost- 50 Selling Price- 125 Mark up rate - Unknown, Operating Profit- unknown Exected monthly sales (unit) 100 Need to solve for Mark up rate & Operating profit asked by Keri on November 9, 2011 57. ## Chemistry Provide the balanced reaction, the value of K, and E(cell) at equilibrium for the for the electrochemical cell created from the two half-cell reactions below Cr^(3+) + e ==> Cr^(2+) Fe^(2+) + 2e ==> Fe Well, I got the balanced reaction: 2Cr^(2+) + Fe^(2+) asked by Nora on March 18, 2015 58. ## Physics What is the final speed of a car if it starts at 32 m/s and loses 1800J of energy? I think the equation should be: 0.5m(32)^2 - 1800J = 0.5mv^2 where m = mass of the car v = final speed. Since there is only one equation with 2 unknown, I can only solve it asked by Angus on November 11, 2008 59. ## physics Two children on racing bikes start from the same reference point. Child A travels 5.0m/s{right} and child B travels 4.5m/s{right}. How much farther from the point of origin is child A than child B after 5.os? pls I really really need help. I do not asked by ted on October 4, 2011 60. ## trigonometry Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the asked by Anon on February 26, 2011 61. ## algebra Here's the problem: It takes Stan 20 days to build a house by himself. When his wife, Brenda, joins him, it takes only 14 days. How long does it take Brenda to build a house on her own? Is there some sort of formula to solve this? I have no idea where to asked by Mary on March 16, 2008 62. ## Math 1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 ***??? d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 ***??? b. 16/21 c. 36/50 d. 45/70 3. A textbook weighs 2.5 pounds. How many asked by Ella on November 16, 2017 63. ## physics Scientists want to place a 3300 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.2 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem: mmars = asked by paula on September 13, 2014 64. ## Math The price of a brick today is 49cents. This is 3 cents less than 4 times the price 20 years ago. What was the price 20 years ago? Let that old price be x. 49 = 4x - 3 Solve for x. asked by monica on April 9, 2007 65. ## Algebra I The sum of three numbers is 147. The second number is 4 more than two times the first number. The third number is five less than three times the first number. Find the three numbers. Can you please solve it? I have no idea how to do this. Thanks a lot for asked by katya on September 19, 2009 66. ## math word problem the difference between two numbers is 55. four times the smaller number plus 5 times the larger number is 176. what are the numbers? L-S=55 4S+5L=176 solve by substution. asked by chong on February 27, 2007 67. ## math length______ width 14 height 11 surface area_______ volume 2029.72 length*width*height gives you volume, which you know. But you can solve for length. asked by skye on June 12, 2007 68. ## algebra I made a mistake in my problem . can you take me step by step on how to solve this problem 2x+3y=6 (forx) 2x+3y=6 (forx) (subtract 3y to both sides) 2x=6-3y (divide both sides by 2) x=3-3/2y This what I got. asked by Tony on February 16, 2007 69. ## Algebra Find the slope and the y-intercept. y=5x I know the slope would be 5, but what would the y-intercept be??0 Graphing it is always a good way to check. Remember that y=mx+b b is the y intercept. Is there is no b then it would be zero. The other way to find asked by jessica on April 26, 2007 70. ## chem For the elementary reaction NO 3 + CO → NO2 + CO 2 the molecularity of the reaction is __________, and the rate law is rate = __________. A) 2, k[NO 2][CO 2] B) 2, k[NO 3][CO]/[NO2 ][CO 2] C) 4, k[NO 3][CO][NO 2][CO 2] D) 4, k[NO 2][CO 2]/[NO 3][CO] E) asked by JES on October 23, 2010 71. ## math your brother is 1/3 your age.your sister is 6 years older than your brother. your sister is 10 years old. write and solve and equation to find your age a asked by j on January 31, 2017 72. ## 5th grade Carol uses the same ratio table to solve the problems below. Do you agree or disagree? 8 cows/2 pigs = c cows/10 pigs 2 pigs/8 cows = 10 pigs/c cows asked by Stephanie on May 11, 2010 73. ## Math Your brother is 1/3 your age. Your sister is 6 years older than your brother. Your sister is 10 years old. Write and solve an equation to find your age aa. asked by Eag on November 8, 2017 74. ## Calc The directional derivative of z = f(x,y) at (2,1) in the direction toward the point (1,3) is -2/sqrt(5), and the directional derivative in the direction toward the point (5,5) is 1. Compute dz/dx and dz/dy at (2,1). I have no idea how to solve this asked by Dani on February 27, 2011 75. ## Math Natalie had some marbles. She gave 1/3 of them to her brother, who kept 12 marbles for himself and gave the rest to 5 friends. If each friend received 7 marbles, how many marbles did Natalie have at first? solve asked by Marco on January 7, 2017 76. ## Biochemistry How do you calculate the free energy change for the acetyl phospahate hydrolysis in a solution of 2 mM acetate, 2 mM phosphate and 3 nM acetyl phosphate. The standard state free energy of hydolysis of acetyl phosphate is /\G = -42.3 kJ/mol. asked by nicki on October 4, 2010 77. ## chemistry A silver wire is immersed in a solution containing ions of CU2 + what is expected in this situation? A) no reaction occurs. b) The silver wire is oxidized. c) Copper is deposited on the silver wire. D) The ions Cu2 + are reduced. asked by kelly on July 13, 2018 78. ## Chem Methylaime, CH3NH2. If a 0.100 mol/L solution of methyamine has a pH of 11.80, calculate the ionization constant for the weak base. What is an ionization constant. Is it just K? This is what I did so far: 11.80 = -log (concentration of h3o+) 10^-11.80 = asked by Lena on July 23, 2009 79. ## chemistry A student found that there are 115 drops of glacial acetic acid in 2.00 mL. Calculate the number of drops of glacial acetic acid, HC2H3O2 required to make 225 mL of 0.1 M acetic acid solution asked by Erin on October 16, 2011 80. ## Calculus Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y equals negative 1 minus 4 divided by x asked by nan on March 11, 2016 81. ## Probability Roll two fair dice. what is the probability that you get a 2 and a 5 without regard to which is on which die? What is the probability of at least one 2 or one 5? What is the probability of a sum of 7? "what is the probability that you get a 2 and a 5 asked by Pam on December 3, 2006 82. ## chemistry An alka-seltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end of the experiment, the flask weighs a total of 249.6 grams.Explain why this experiment does not seem to follow the Law of Conservation of Mass and how the asked by anonymous on September 24, 2014 83. ## algebra Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch asked by Samantha on January 7, 2009 84. ## The Age Of Jefferson To The American Expansion 1. Which of the following utopian communities was founded and established in New York State? A. Shaker Village B. Spiritualist C. Oneida D. New Harmony 2. The first fully developed American factory system emerged in the _______ industry. A. textile B. asked by tasha on December 7, 2012 85. ## Health and Human Services a. bandwagon—the idea that “everybody” does this or believes this b. categorical statements—stating something in a way that implies there can be no argument or disagreement on the issue c. personal attack—criticizing an opponent personally asked by Tamika on July 4, 2008 86. ## Math simplifying mixed radicals Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root: 2 square root 48 3 square root 81 6 square root 12 3 square root 32 2 asked by Miley on September 14, 2013 87. ## accounting A new inventory management system for ABC Company could be developed at a cost of$200,000. The estimated net operating costs and estimated net benefits over six years of operation would be: Year Estimated Net Operation Estimated NetBenefits 0 200,000 0 1

asked by YENY on August 2, 2010
88. ## Revised paragraph of 8-12 sentences

I have to write these paragraphs for a writing assignment and just wasn't sure is I was doing it right. Need some advice!! ASSIGNMENT: You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and

asked by alma on March 22, 2012
89. ## physics

please help with cart thing A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work

asked by idnchfywek on June 26, 2015
90. ## math

Prove that for all real values of a, b, t (theta): (a * cos t + b * sin t)^2

asked by mathstudent on December 19, 2006
91. ## Physics: energy

The spiral shaft in a grain auger raises grain from a farmers truck into a storage bin. Assume that the auger does 6.2 x 10*5 J of work on a certain amount of grain to raise it 4.2 m from the truck to the top of the bin.What is the total mass of the grain

asked by kelly on April 9, 2011
92. ## Computers

I tried to use Google Video Uploader. However, I was not able to log in. I entered my e-mail address and then I entered the pass word, but it didn't work. Many times I tried to log on, but failed. How can I use the Google video Uploader? Would you let me

asked by rfvv on December 7, 2010
93. ## physics

1. How does a Van de Graaff Generator work? What is the magnitude of the electric field inside the dome of a charged Van de Graaff generator? 2. How does the charge on one plate of a capacitor compare with that on the opposite plate? 3. How does a

asked by beauty on January 24, 2011
94. ## Algebra

Sumi can wash the windows of an office building in 3/4 the time it takes her apprentice. One day they worked on the building together for 2h 16min , then Sumi continued to work alone. It took 4h 32min more to complete the job. How long would it take her

asked by Anonymous on May 9, 2014

Check My Work (3 remaining) Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings?$ biweekly salary

asked by kelly on June 4, 2014
96. ## Physics 11

A 90kg basketball player carries about 720J of kinetic energy when running down the court. If the coefficient of kinetic friction between good runners & the floor is .600, how far does the player skid when trying to stop? Hint: what work was done by

asked by Kayla on May 23, 2017
97. ## phys

The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the slower spaceship is

asked by slien on October 10, 2006
98. ## science

To have a high work effiency of concrete batching plant,we need to know the maintance of it to extend its useful life.We have study this for a long time and it includes two aspects. One is lubricating the shaft of concrete batching plant when it works

asked by hao on June 26, 2014
99. ## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

asked by jesse on October 19, 2010
100. ## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

asked by jesse on October 19, 2010