Questions Asked on
January 4, 2012

  1. Physics

    Pete slides a crate up a ramp at an angle of 20 degrees by exerting a 244 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.19. How much work did Pete do when the crate was raised a vertical distance of

    asked by Amanda and Leah
  2. Geometry

    In parallelogram DEFG, DH = x + 1, HF = 3y, GH = 3x – 4, and HE = 5y + 1. Find the values of x and y. The parallelogram has D at the top left E at the top right, G at the bottom left and and F at the bottom right with H in the middle. Thank You ^0^

    asked by Hilary
  3. financ

    All techniques with NPV profile- mutually exclusive projects. Projects A and B, of equal risk. Are alternatives for expanding Rosa Company’s capacity. The firm’s cost of capital is 13%. The cash flows for each project are shown in the following table.

    asked by Vanessa
  4. math

    An artist is going to sell two sizes of prints at an art fair. The artist will charge $20 for the small print and $45 for a large print. The artist would like to sell twice as many small prints as large prints. The booth the artist is renting for the day

    asked by Jane
  5. geometry

    Earth’s radius is about 4,000 mi. To the nearest mile, what is the distance a person can see on a clear day from an airplane 5 mi above Earth? help please!

    asked by ryan
  6. math

    Please explain in detail how to solve each question: At a certain high school, 350 students are taking an algebra course. The ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? How can you write a system of

    asked by Jane
  7. geometry

    Find the area of square QRST with the following vertices Q(-2, 3), R(1, 0), S(4, 3) and T(1, 6).

    asked by Kayla
  8. Math

    During one year, people in the U.S. older than 18 years old watched a total of 342 billion hours of television. The population of the U.S. older than 18 years old was about 209 million people. On average, how many hours of television did each person older

    asked by Jane
  9. Social Studies

    What events led to the beginning of the Korean War?

    asked by Jaycee
  10. Trigonometry

    Prove that 1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B) = tanA/2cotA/2

    asked by Kewal
  11. Chemistry

    Why does it take more energy to remove a electron from Al+ than from Al?

    asked by AG
  12. Chemistry

    A(n) ____ reaction is one in which oxygen reacts with another compound to form carbon dioxide, water, and heat.

    asked by Zach
  13. Psychology

    why is it wrong for a researcher to assign the first subjects to show up for an experiment group and the second group of subjects to arrive to the control group?

    asked by adrina
  14. physics

    A foam plastic of density of 0.58g/cm^3 is to be used as a life jacket.What volume of the plastic must be used if it is to keep 20percent by volume of an 80kg physics student above water in a lake if the average density of the student is 1.04g/cm^3

    asked by ceasar3
  15. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked by Jennie
  16. chemistry

    A plastic container with a mass of 30 grams gains 1,140 joules of heat. If the temperature of the container increases 20°C, what is the specific heat of the plastic in the container?

    asked by carl
  17. math

    McDougal's Restaurant has a play area for children under and around their giant arch ( in the shape of parabola with negative orientation). They plan to set up a new activity that allows children to bungee jump from the arch. The manager, upon hearing of

    asked by Anonymous
  18. university of phoenix

    The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th

    asked by michelle
  19. english

    15. Which sentence uses the passive voice? A. Lies destroy friendship. B. John searched for a job. C. The rain continued until dawn. [D. The tree was planted by Mary.]

    asked by jake
  20. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked by Jennie
  21. ALGEBRA 1

    The square of a number is equal to the sum of 21 and 4 times the number. Find the number

    asked by CRAig
  22. english

    How does the text use clothing and garments (or the lack thereof) to portray Edna’s rebellion against Victorian norms? Use examples from the book to support your answer.

    asked by brittney
  23. physics

    A 48 kg cart is moving across a frictionless floor at 3.3 m/s. A 50 kg boy, riding in the cart, jumps off the cart so that he hits the floor with zero velocity. a.What is the velocity of the cart after the boy jumped? b.What was the change in momentum of

    asked by JW
  24. english

    8. Which one of the following sentences fails to follow parallel construction? A. I would be surprised if Jacob's essay does not demonstrate critical thought, careful analysis, and exhaustive research. B. It was a fine but extremely boring lecture. [C. I

    asked by jake
  25. Math

    The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70cm. What is the Width of the the rectangle.

    asked by ann
  26. finance

    A project has the following cash flows. What is the internal rate of return? Year 0 cash flow -$443,600 1 $224,800 2 $224,800 3 $ 67,200

    asked by Vanessa
  27. english

    what does SS stand for in Shurley Method?

    asked by Brittany
  28. 7th Grade Math

    Carlos and maria drove a total of 258 miles in 5 hours. carlos drove the first part of the trip and averaged 50 miles per hour. maria drove the remainder of the trip and averaged 55 miles per hour. for approximately how many hours did maria drive?

    asked by Rebecca
  29. physics

    A 1.30 × 10 4 kg railroad car moving at 6.70 m/s to the north collides with and sticks to another railroad car of the same mass that is moving in the same direction at 1.83 m/s. What is the velocity of the joined cars after the collision? Answer in units

    asked by marie
  30. 6th grade math

    Evaluate 9.67 - x for each value of x. Really need help!! 23. x = 3.8 25. x = 0.635 27. x = 1.001 29. x = 9.527

    asked by Mad(:
  31. Physics

    A model rocket is launched vertically upward from the ground. After 4.3s, its fuel is completely burned. Assume uniform acceleration of 3.0 m/s2 while the fuel is burning. What is the velocity of the rocket at the instant that the fuel is completely

    asked by Leasha
  32. Trig

    If the center of a circle is at (2,2) with a radius of 4 the equation of the graph would be : a) (x-2)^2 + (y-2)^2 = 16 b) (x+2)^2 + (y+2)^2 = 16 I think it would be b is that correct?

    asked by Don
  33. physics

    A rope of negligible mass pulls a 38-kg block block vertically upward with a constant acceleration of 6.0 meters per second squared. What is the tension of the rope?

    asked by Marilyn
  34. english

    14. Which sentence contains words in italics that form a gerund phrase? (A gerund is a verb form used the same way as a noun.) A. An interesting novel provides good entertainment. [B. Winning the race demanded speed and endurance.] C. I am going home. D.

    asked by jake
  35. pre calc

    evaluate the trigonometric function of the given quadrantal angle. tan 1440° Evaluate without using ratios in reference triangle. sec 3π/4

    asked by Steven
  36. algebra 1

    Which expression is the greatest common factor of (125t^3 m^5+60t^4 m^4+85t^5 m^2)

    asked by rachel
  37. general chemistry

    Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professionals?

    asked by Norma
  38. 7th Grade Math

    At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. The bicyclist heading north is riding 5 km/hour faster than the bicyclist heading south. At 10:30, they are 40.5 km apart. find both of their

    asked by Rebecca
  39. 7th Grade Math

    Toni rows a boat 4.5km/h upstream and then turns around and rows 5.5km/h back to her starting point. If her total rowing time is 48 min , for how long does she row upstream?

    asked by Rebecca
  40. algebra

    an analysis showed that 0.06% of the t-shirts made by one company were defective. a student says this is 6 out of every 100. what is the students error

    asked by pam
  41. trig

    A river is 2000 ft wide and flowing at 6 mph from north to south. A woman in a canoe starts on the eastern shore and heads west at her normal paddling speed of 2 mph. In what direction (measured clockwise from north) must she aim her canoe? How long will

    asked by brittney
  42. Psychology

    People in the grocery store are asked to do a taste test of a new soft drink product. Two paper cups are given to each person who volunteers. Fifty percent of the participants are given two different soft drinks. The other half receive the same product,but

    asked by Pateyn
  43. psychology

    : In order to be useful,a test must be reliable. I nother words, it must: A.) produce the same results from one time to the next B.) predict other criteria of the trait being measured C.) measure what it is designed to measure D.) Compare results against

    asked by Pateyn
  44. English

    In chapter 10 of A Tale of Two Cities, why doesn't Dr. Manette want Charles to tell him his real name? In the book, it says how Manette told Charles to wait to tell him on the day he weds Lucie, but it never explains WHY he wants him to wait. Could anyone

    asked by Mia
  45. Thermodynamics

    Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.

    asked by Jack
  46. english

    9. How is a compound sentence formed? A. By joining a simple sentence with a dependent clause B. By joining a dependent and independent clause with a conjunction [C. By joining two independent clauses and one dependent clause] D. By joining two simple

    asked by jake
  47. english

    19. Which of the following sentences is correctly punctuated? A. Mary remembered to buy milk didn't she? B. The company held it's annual party at the convention center. [C. Mr. Jones visited the YMCA before becoming a member.] D. The local police asked the

    asked by jake
  48. physics

    A portable steel tank with a volume 35 liters (0.035m³) holds helium gas used for filling party balloons. The pressure in the tank is 120atm when at room temperature of 22 °C. How many moles of helium gas are in the tank? Each balloon has a volume of

    asked by sand
  49. math

    Puck is making a scale model of an airplane. The actual airplane is 98 feet long. The scale of the model is 1 cm : 4.7 ft. What is the length of the model? [Round to the nearest hundredth, if necessary.]

    asked by zoe
  50. Physics

    A car with bad shocks has a mass of 1500 kg. Before you go for a drive with three of your friends you notice that the car sinks a distance of 6.0 cm when all four of you get in the car. You estimate that the four of you together have a mass of 271 kg. As

    asked by Sarah
  51. physics

    A 62 kg water skier, moving at 14 m/s , lets go of the towline. a.Find her momentum. 868kgm/s b.What impulse is needed to bring her to rest? -868Ns c.If the water exerts an average force of -275 N on the skier, how long must the force act? 3.16 s d.How far

    asked by JW
  52. PHYSICS

    A Few questions- please help!!! also show steps! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward? A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The

    asked by Dyl
  53. Math

    During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home. On average how many hours per day did each adult spend on line at home? How do you write each number in scientific notation? How

    asked by Jane
  54. Social Studies

    I think I know what the legislative branch, the executive branch, and the judical branch already is but I want to make sure. Legislative Branch- passes laws Executive Branch- Carries out the laws Judical Branch- Decides the meaning of laws Is this correct?

    asked by Jaycee
  55. english

    7. Which sentence uses correct parallel construction? A. Most people enjoy ice cream and the plant grows. B. Anyone who is going to work here will have to be athletic, an intelligent person, and have a good sense of humor. C. You can either talk to the

    asked by jake
  56. socials

    definitions developed country: Country with a highly developed economy, with a strong service sector and often an industria base. Citizens have the highest standards of living in the world, with high levels of literacy, health services, and food supplies.

    asked by Mohammad
  57. english

    20. Which of the following is a run-on sentence? A. We like to take a walk after dinner. B. Mike joined the army, and he became more disciplined during the training. [C. Karen's uncle arrives tomorrow she wants to see him.] D. The house was owned by the

    asked by jake
  58. physics

    An aluminum cup is filled to the brim with precisely 0.400 liters of mercury at a temperature of 20 °C. The cup and mercury are then allowed to warm up to a temperature of 50 °C Calculate the change in volume of the cup and the change in volume of the

    asked by sand
  59. math calculus

    7/(x-2)(x+5)-8/(x+5)(x-3) 7(x-3)-8(x-2)/(x-2)(x+5)(x-3) 7x-21-8x+16/(x-2)(x+5)(x-3) 7x-8x give me -1x and -21+16 give me -5. for numerator but it have to be -1/(x-2)(x-3) i not know how to do this please explain process my way not different way.

    asked by Shreya
  60. Physics

    A 62 kg water skier, moving at 14 m/s , lets go of the towline. a.Find her momentum. 868kgm/s b.What impulse is needed to bring her to rest? -868Ns c.If the water exerts an average force of -275 N on the skier, how long must the force act? 3.16 s d.How far

    asked by DB
  61. english

    1. A split infinitive is an infinitive that A. is used as an adjective or a noun. B. must have a subject. C. is used without the word "to." [D. has a word between "to" and the verb.]

    asked by jake
  62. english

    3. Which one of the following statements is an example of a complex sentence? A. Sparrows at the bird feeder compete for seeds. B. Neap tide is the best time for digging clams. [C. The earth was spinning when Lucas first saw Lucille.] D. The crescent moon

    asked by jake
  63. ratios

    the ratio of boys to girls is 2 to 5. How many girls are there if there are 56 total kids?

    asked by Anonymous
  64. lakehill

    The standard deviation of sample 1 (n=9) is 2 and the standard deviation of sample 2 (n=14) is 3. What is the F value?

    asked by Anonymous
  65. english

    13. One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. [B. After the rain ended, the sky became blue.] C.

    asked by jake
  66. Math

    I SERIOUSLY need help! Solve the linear system by using substitution. x=6-4y 2x-3y=1 Explanation too, please! Please and thanks!

    asked by Izzy.
  67. Writting Sentences and Paragraphs

    Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

    asked by Shawna
  68. socials

    wat r main factors of population change? jobs people get? i really not understand this. what meant by exponential rate of growth? rule of seventy? i think it means rapid rate of increase as each generation doubles in size. rule of seventy mean way to

    asked by Mohammad
  69. statistics

    A group is studying age distribution of people living in town. The mean age is 45, the modal age is 59, the median age is 56, the range is 96, and the standard deviation is 20.5. Is the data positively or negatively skewed

    asked by luckybee
  70. physics

    An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a diatomic gas. a) Calculate the efficiency of the engine's Otto cycle. b) Using your answer to part (a) and the fact that the

    asked by maria
  71. physics

    One end of a metal rod is in contact with a thermal reservoir at 731 K, and the other end is in contact with a thermal reservoir at 107 K. The rod and reservoirs make up a closed system. If 6450 J are conducted from one end of the rod to the other

    asked by maria
  72. Health billing coding

    By whom is the employer identification number (EIN) assigned

    asked by Maddison
  73. ap biology

    The first step in making a protein is transcription of a gene. This occurs in the 1._______of a eukaryotic cell. An enzyme called 2.______ carrres out the process of transcribing RNA from the DNA. It starts at a specific nucleotide sequence called a

    asked by Cici
  74. college alg

    Find (a) the equation of a line that is parallel to the given line and includes the given point, and (b) the equation of a line that is perpendicular to the given line through the given point. Write both answers in slope-intercept form. y = -4x + 2, (5, 4)

    asked by sunny
  75. physics

    A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·105 Pa. If there were no ventilation, by how much would the temperature (in K) of

    asked by maria
  76. math

    Mindy, Daisy, Araceli and Leigh worked together on a job. The job paid $220. Each person was paid according to the amount of work they contributed to the job. Daisy and Araceli earned $280 together. Daisy and Mindy have $260, and Daisy and Leigh got $220.

    asked by Anonymous
  77. math world problems.

    If the length of each side of a regular hexagon is 10 ft, the what is the distance from a vertex to the center? Andrea and Carlos left the airport at the same time. Andrea flew at 180 mph on a course with bearing 80 degrees, and Carlos flew at 240 mph on a

    asked by katie k
  78. MATH PLEASE HELP

    the sum of the squares pf two postive consecutive even integers is 41. Find the integers.

    asked by LISA
  79. physics

    A small component of 1cm x 1 cm x 1 cm is subject to external forces coming from all directions. Design a holder for the component capable of measuring those forces through sensors that are embedded in the holder and capable of measuring forces in x, y,

    asked by John
  80. maths

    A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a

    asked by Lee
  81. Sociology

    Happy New Year:I need help on a research paper ow does each theory apply to the selected sociological institution?What arethe similaries?what are the differences? How does each thoery affect the view of the individual who is part of he institution? How

    asked by Mary Smith
  82. Sociology

    the selected of sociological institution: functionalism. conflict, and Interactionism

    asked by Mary Smith
  83. MATH

    jESS WOULD LIKE TO CUT A BOARD THAT WAS 50 INCHES LONG INTO 2 PIECES ONE OF WHICH IS 16 INCHES LONGER THATN THE OTHER. HOW LONG IS EACH PIECE.

    asked by raymond
  84. Physics

    How long does it take a 23 kW steam engine to do 8.8 x 10^7 J of work?

    asked by Zac
  85. government

    I have to explain how American Association for Affirmative Action influences public policy. I still get confused on public policy but so far I believe the answer is this group influences public policy through affirmative action policies for women,

    asked by m
  86. math

    The worlds longest millipede is about 39 cm or 15 inches. What is the length in mm?

    asked by shyla
  87. Physics

    A 20 kg table initially at rest on a horizontal floor requires a 136 N horizontal force to set it in motion. Once the table is in motion, a 71 N horizontal force keeps it moving at a constant velocity. What is the coefficient of kinetic friction between

    asked by Mackenzie
  88. Chemistry

    When doing a simple distillation of ethanol-water, is the vapor pure ethanol or does it also contain water? (knowing that ethanol has lower boiling point than water) If it is not pure ethanol, why is it not possible to separate water & ethanol completely?

    asked by Namie
  89. TO WRITEACHER

    what was the website you gave me yesterday to find the definition of the word hysterically.respond back as quick as possible.THANK YOU!

    asked by Madlekia
  90. math

    The lawn order lawnmower factory can produce 12 lawnmowers in 8 hours. How many hours will take the factory to produce 30 lawnmowers ?

    asked by You
  91. pre Alg

    3(g-3)=6

    asked by Riley
  92. math

    During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home. On average how many hours per day did each adult spend on line at home? How do you write each number in scientific notation? How

    asked by Jane
  93. algebra

    wyatt and allyson were asked to solve a percent broblem using the numbers 13 and 38. wyatt found 13% of 38 and allyson found 38% of 13. explain why they both got the same answer. would this work for other numbers as well? why or why not

    asked by pam
  94. english

    16. Which of the following is a compound sentence? A. Rain and heavy winds caused damage along the coast. [B. Sue gave Jim a new racket, and he left for the tennis courts.] C. We found our way home without a map. D. Kim will take her daughter shopping when

    asked by jake
  95. English

    In the story "The Jilting of Granny Weatherall", from what point of view is the story being told A. Dr. Harry B. Granny Weatherall C. Cornellia D. Hapsy

    asked by Shea
  96. math

    in the problem -10+6g=110 would you plus or minus the -10 from the 110?

    asked by jill
  97. HCR 230

    How do I use references in an assignment that calls for me to make an ORIGINAL financial policy for a medical facility of my choice?

    asked by nearing breaking point
  98. physics

    A lump of ice of density 0.92g/cm^3 is placed is placed into a tumbler containing a coke.The density of coke is 1.150g/cm^3.What fraction of the lump of ice will be above the surface of the coke

    asked by chrystabelle
  99. English

    Could you please check these sentences? Thank you. 1) "It's a pity you didn't read that book," he said. He regretted that I hadn't read that book. (Is it the only possible form?) 2) Try eating less. Try to eat less. (Are both possible?) 3) He was seen

    asked by Henry2
  100. physics

    A Carnot refrigerator is operating between thermal reservoirs with temperatures of 27.9°C and 0.0°C. a) How much work will need to be input to extract 13.7 J of heat from the colder reservoir? b) How much work will be needed if the colder reservoir is at

    asked by maria
  101. physics

    An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a diatomic gas. a) Calculate the efficiency of the engine's Otto cycle. b) Using your answer to part (a) and the fact that the

    asked by maria
  102. grammar

    fill in the blanks.With diterminers. Ranjit is _______reckless young man . In ________ quest to make money, he belittles ________people, including ________ employees of ________ own company there _______excuse for ______ rude behaviour on _______part.

    asked by Anonymous
  103. Social Studies

    Group of people who were not happy with the Constitution? I think it's Federalists

    asked by Jaycee
  104. history

    To what extent does Lincoln "cause" the Civil War to start? In what way(s) is Lincoln being President critical to the Union's success? Why was Lincoln so heavily criticized?

    asked by Anonymous
  105. Science collage

    A jetliner lands at speed of 210 km/h and breaks at rate of 20 km/h/s . If the jatliner travels at a constant speed of 210 km/h for 1s after landing before applying the breakes . What is the total displacement of the jetliner between couchdown on the

    asked by Aisha
  106. math calculus

    (24x^3-54x^2-15x)/(6x^2-15x) i don't factor number from whole equation way i do it is find number that add to give me -54 and multiply to give -360. the number i get -60 and +6. so i do this: 24x^3-60x+6x-15x i factor this further and get

    asked by Shreya
  107. Pre-Calc-please check

    Please check this for me expand (3z-2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(n-k)b^k (3a-2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5-k(-2b)^k (5/0)(3a)^5(-2b)^0+(5/1)(3a)^4(-2b)^1

    asked by Bethany
  108. Sociology

    How would I like for you all to help me. I need a paper on those question concern Education about the selected of sociological institution.

    asked by Mary Smith
  109. math

    How many 8 by 10 inch tiles fit on a 16 by 20 ft floor ?

    asked by emily
  110. Psychology

    a researcher is studying people of normal weight and obese individuals. She wants to know how the time of day affects hunger feelings in the two groups. When, during the experiment, the researcher looks at her watch, she has introduced a/an __________ into

    asked by Pateyn
  111. english

    4. Identify the sentence that contains a noun clause in italics. A. Betty would like to harvest the corn. B. When should Betty harvest the corn? [C. What Betty wants is to harvest the corn.] D. Betty wants to harvest the corn.

    asked by jake
  112. Precal

    Given f(x) and g(x) below, find: (a) f + g (b) f – g (c) f*g (d) f/g Please show all of your work. f(x) = x + 5 g(x) = 5x^2+15x-3

    asked by Dina
  113. math

    a minute is 0.00000019 of year .calculate the part of a year a second represents ? express your answer in scientific notation.

    asked by Kassandra
  114. english

    6. Which one of the following sentences is punctuated correctly? A. The sea calmed; but no boats, left shore. B. The sea calmed, but no boats left shore. [C. The sea calmed but no boats left shore.] D. The sea, calmed, but no boats, left shore.

    asked by jake
  115. Math

    I really, really need help! Solve for the indicated variable. 8x+4y=12 Solve for y. Explanation too, please! Please and thanks!

    asked by Izzy.
  116. Pre Calc

    evaluate the trigonometric function of the given quadrantal angle. tan 1400° cos 9π cos 13π/2 sin (-17π)

    asked by JOHN
  117. physics

    An aluminum cup is filled to the brim with precisely 0.400 liters of mercury at a temperature of 20 °C. The cup and mercury are then allowed to warm up to a temperature of 50 °C Calculate the change in volume of the cup and the change in volume of the

    asked by sand
  118. nursinmg ethics and law

    Identify and explain nursing management decisions relating to standards of practice that pose legal implications.

    asked by john
  119. Trig

    the center of a circle x^2 + y^2 + 8y =1 is a. (0,-2) b. (0,4) c. (0,1) d. (0,-4) I believe the answer is (0,4) Am I correct ?

    asked by Don
  120. statistics

    a point is randomly selected within the rectangle with vertices at (2,0), (2,2), (-4,2), and (4,0). What is the probability that the point's x-coordinate and y-coordinate are both positive?

    asked by luckybee
  121. math

    Suppose t teachers and s students visit the museum for a field trip. The price of a ticket for a teacher is a dollars and the price of a ticket for a student is b dollars. Which of the following expressions represents the cost, in dollars, of 2 teacher

    asked by ALEXIS
  122. Economics (inflation)

    Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and

    asked by Lisa
  123. english

    17. Which of the following is a complex sentence that contains a dependent adverbial clause? A. Mark expects the photo to arrive late. B. Mark expects the photo to arrive in damaged condition. [C. Mark expects the photo to arrive when the letter arrives.]

    asked by jake
  124. history

    Both Johnson and Lincoln were criticized for "abuse of power." Give examples for each man. Is it hypocritical to praise one and damn the other

    asked by Anonymous
  125. world issues

    2. Why do you think the story is called "A Very Old Man with Enormous Wings" rather than "An Angel?"

    asked by Anonymous
  126. math

    If the first World Series occurred in 1903 and the Yankees have played in 36 Series as of 2006, what percent of the Series have the Yankees played in since 1903?

    asked by Laura
  127. English

    I need help identifying how the infinitve phrase is used (parts of speech) in the following sentences! : Rhode Island was the first colony in which the slaves were allowed to enlist in its army. To enlist in the British army and to gain their freedom were

    asked by Anonymous
  128. HELP!!!!!Piecewise function

    State the values for f(0) and f(-2) show all your work f(x){(2x-1 if x>1 ,-4 if -1¡Üx

    asked by JENNIFER
  129. science

    hello! I need good sites that can help me with my physics class! do you have any ideas??

    asked by martha
  130. geometry

    find the length of ab & bc of a triangle abc having given the length of ac = 28inch, angle abc = 90, angle bac =30,, angle acb = 60

    asked by Anonymous
  131. English

    what are some differences of the work of Walt whitman " I hear america singing" & Woody Guthrie " This land is your land"..?

    asked by David
  132. English

    1. Where is the annual report? -Tom took it last night. 2. When will you know if you got the job? - Not until the end of the month. (Are the questions and answers correct grammatically?)

    asked by rfvv
  133. College Algebra

    Here is the whole question... I have figured most of it out but I need help with part (b)(f) and (g)... Maybe you also check the work I have already done Given the following function, find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e)

    asked by Sunny
  134. college algebra

    Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x-70*3^-x=9

    asked by Sunny
  135. MATH

    the square of a number is equal to the sum of 21 and 4 times the number. find the number X=-3 X=7 RIGHT?

    asked by LISA
  136. English

    Is it correct to say,"Meetings will be held on the 1st and 3rd Sunday of the month"?

    asked by Carol
  137. NBA!!!!!!!!!!!!!

    WHICH ARE THE BEST PLAYERS ON THE NBA TEAM?????????? I HAVE TO DO A RESEARCH REPORT AND I NEED HELP!!!!!!!!!!!!!!!

    asked by Jackson
  138. physics

    A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the diesel fuel. Suppose the compression ratio (ratio of volumes) of a specific diesel engine is 19 to 1. If air enters a cylinder at 1

    asked by maria
  139. CJS200

    What background information provides the preliminary grounds for drug usuage? Can any one help me with this question or give me some kind of guidance please?

    asked by Sade C
  140. english

    Saqib doesn't know what he's talking about. he's taking money from our taxes to pay for schools which is not going to let us pay our country dept don't vote for him is this adhominom and slippery slop both in one

    asked by Anonymous
  141. English

    As to my previous post, I thought I could use the infinitive with to if the action was perceived from the beginning to the end (I was seen to steal the watch/ Active: He saw me steal the watch). I'm finding it difficult to check these other sentences.

    asked by Henry2
  142. grammar

    Below the main level, we have a large playroom. What part of speech is below

    asked by devon
  143. pre calculus

    how to figure out: sec squared x = 1/10

    asked by mike
  144. psychology

    I agree that physiological process motivates emotion which produces a different responses for different individuals. I remember that fight or flight is embedded in all of us. If a man finds himself in a dark alley with two other men, then I think that they

    asked by Sharon
  145. Spanish-8th grade

    Please check 1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo

    asked by Sophie
  146. Precalculus

    Graph the following piecewise function. State the values for f(0) and f(-2). f(x)={ 2x-1 if x>1 { -4 if -1¡Üx

    asked by Mia
  147. mth 209

    what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011

    asked by Victor
  148. Spanish 8th grade

    1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo estuviste ayer?

    asked by Sophie
  149. social studies

    complete the venn diagram to compass and contast life for colonists in New netherland and New York in the 1600s and 1700s i have to write three points to compare and contrast

    asked by keswedo
  150. math

    given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there? (and plzzzzz tell me how u got it )

    asked by sana
  151. us history

    what was the first multicultural education project? Thank you for any help

    asked by Amy
  152. on areas

    the surface area of the three faces having the same border of a cuboid are 4,10,40 sq.cm respectively. find the volume of the cuboid?

    asked by sree
  153. statistics

    If there were 10 distribution centers that have an output mean of 78 (in thousands), median of 65 and mode of 50, what would be the total output of the distribution centers?

    asked by Robert
  154. statistics

    If there were 10 distribution centers that have an output mean of 78 (in thousands), median of 65 and mode of 50, what would be the total output of the distribution centers?

    asked by Robert
  155. Shurley

    I'm in Shurley Grammar does any1 no how to clasify way?

    asked by Jake
  156. Geology

    1) Describe four possible changes that may take place within a graded stream if there is an increase in gradient. Be very specific and include rock types and processes that each includes.

    asked by Liah
  157. human service

    Do you have any ideas on where I can watch Lakota Woman- Siege at Wounded Knee on line?

    asked by patiance
  158. spanish

    want is a adjectie enddin in spanish i feel so alone

    asked by katty
  159. us history

    what was the first multicultural education project? Thank you for any help

    asked by Amy
  160. math

    given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there?

    asked by shahroz
  161. physics

    A small component of 1cm x 1 cm x 1 cm is subject to external forces coming from all directions. Design a holder for the component capable of measuring those forces through sensors that are embedded in the holder and capable of measuring forces in x, y,

    asked by John
  162. Applied College Msthematics

    jennifer stemberg borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was $ 2,700, how much did jennifer borrow?

    asked by Ari
  163. Chemistry

    How would you make an irreversible isothermal expansion/compression cycle of a gas closer to a reversible one? 1. Increase the temperature 2. Decrease the number of steps during expansion and compression 3. Increase the difference between internal and

    asked by Rachel
  164. algebra

    f(x)= 1/3 (x +8)^2 + 5 what the vertex, line of symmetry

    asked by kathy
  165. College Algebra

    Given the equation x^2+y^2-8x-6y=0 (a) Write the equation in standard form. (b) State the center, radius, and intercepts.

    asked by sunny
  166. College alg

    Analyze the graph of the following function as follows: (a) Find the x- and y-intercepts. (b) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|. (c) Find the maximum number of turning points.

    asked by sunny
  167. english

    5. How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. [A. The dog followed the rabbit when it jumped into the bushes.] B. After the rabbit jumped into the bushes, the dog

    asked by jake
  168. Math

    The area of a trapezoid is 66 sq units. The length of its longer base is 4 units longer than the length of its shorter base, and its height is 7 units longer than the length of its shorter base. Find the length of each base and the height of the trapezoid.

    asked by Beatrice
  169. algebra 1

    The midpoint of XY is point M(-12,5). If the coordinates of X are (3,-3), what are the coordinates of Y?

    asked by josh
  170. math

    From one year to the next the profits of Company a increased from $ 350,000 to $ 425,00 . During that same time period,Company B profits increased from $ 725,000 to $ 950,00 . How much more was company B percent in profits than company A'?

    asked by sol
  171. Trig

    The radius of: (x+2)^2 + (y-3)^2 =9 is 3 is this correct?

    asked by Don
  172. Math

    Write the first five numbers for the sequence that follows the rule 1/4x+3

    asked by Jazz
  173. Trig

    The center of the circle (x+2)^2 + (y-3)^2 =1 is a. (2,3) b. (-2,3) c. (2,-3) d. (-2,-3) I believe b. is the answer, is that correct?

    asked by Don
  174. english

    12. In the sentence "I want to sleep when I'm tired," the words "to sleep" are a/an A. prepositional phrase. B. indirect object. C. predicate adjective. [D. infinitive phrase.]

    asked by jake
  175. math

    the 65th term in a geometric sequence is 8000, and the 69th term is 500. find the 64th term

    asked by Annie
  176. socials

    definitons demography: study of populaton numbers, distribution, trends, and issues emigration: people who leave a country immigration: people who enter a country migration: movement from one place to another

    asked by Mohammad
  177. algebra 2

    x intercepts of f(x)15x^2-12x-48

    asked by daniel
  178. Social studies

    What interferences can you draw from thr fact that china, with 1.4 billion people is the most populous country in the world? Canada's population of 34 million ranks 37th in the world. But how ate Canadians distributed across thr country?

    asked by Bella bell
  179. earth

    what different elements are used in photosynthesis?

    asked by Bertina
  180. MATH

    the square of a number is equal to the sum of 21 and 4 times the number. find the number WHATS THE EQUATION (AM CONFUSED ?)

    asked by LISA
  181. socials

    picture u to open sport store. wat demographic info u wnt to know about ur targt market? how u would use info to choose type of sports products u would hope tosell. what new trends they want to go after. what they most attracted to. i do research abt them,

    asked by Mohammad
  182. us history

    when did multicultural education start?

    asked by Amy
  183. statistics

    a computer system requires all users to log on using a 6 character password. if each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number of possible passwords. please show formula used

    asked by luckybee
  184. english

    6. Which one of the following sentences is punctuated correctly? A. The sea calmed; but no boats, left shore. B. The sea calmed, but no boats left shore. [C. The sea calmed but no boats left shore.] D. The sea, calmed, but no boats, left shore.

    asked by jake
  185. chem

    what is the relationship between the amount of heat produced per mole of reactant?

    asked by sid
  186. English

    So I'm writing an analytical essay on The Odyssey, about Odysseus. And I have to pick traits about him and use multiple quotes to support what I say. So I have a paragraph which I am trying to describe his homesickness. Would a quotation about how he

    asked by Maria
  187. statistics

    how many different license plates can be made consisting of three letters by four digits?

    asked by luckybee