Questions Asked on
December 6, 2009

  1. Physics

    Resonance in a system, such as a string fixed at both ends, occurs when a) it is oscillating in simpler harmonic motion b) its frequency is the same as the frequency of an external source c) its frequency is greater than the frequency of an external source

    asked by Satej
  2. chemistry

    Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant. For example, the residual pressure in a can is 1.36 atm when it is

    asked by Katie
  3. Math

    When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting the 4 of spades. This is the answer I got, could someone tell me if I have done it correctly? Odds in favor of A = Number of ways A could occur / 1 - Number of

    asked by Punkie
  4. college/microeconomics

    The following table indicates the prices various buyers are willing to pay for a Miata sports car: Buyer A Maximum price $50,000 Buyer B Maximum price $40,000 Buyer C Maximum price $30,000 Buyer D Maximum price $20,000 Buyer E Maximum price $10,000 The

    asked by Lorie
  5. Maths

    q2) a) write the equation cos2x + 8cosx+9=0 in terms of cosx and show that for cosx it has equal roots q2b) show that there are no real roots for x. for q2 i have tried to do it but i get upto the bit 2(cosx+2)(2cosx+2)=0 and i don't know what to do next.

    asked by PLEASE ANSWER I NEED HELP CHEERS!!!!!!!!!!
  6. Chemistry

    What is the percent by mass of C in methyl acetate (C3H6O2)? The molecular weight of carbon is 12.0107 g/mol, of hydrogen 1.00794 g/mol, and of oxygen 15.9994 g/mol. Answer in units of %. Please work it out for me so I totally understand it. Thanks!

    asked by Randy
  7. physics, PLEASE ANSWER, I really need help!

    The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 70.0 kg person of height 1.79 m would have a body surface area of approximately 1.90 m^2. What is the net amount of heat this person could radiate per

    asked by AE
  8. math

    A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die. 9) _______ A) {6} B) {36} C) {1, 2, 3, 4, 5, 6} D) None of these

    asked by jen
  9. Algebra

    A surveyor is standing 115 feet from the base of the Washington Monument. The sureyor measures the angle of elevation to the top of the monument as 78.3. How tall is the Washington Monument? The answer's 555 feet, but I'm not sure how to get it. Can you

    asked by Victoria
  10. Math

    Two dice are rolled. Find the odds that the score on the dice is either 7 or 12

    asked by Jill
  11. Math

    When the graph of y=2^x is reflected in the x-axis, and then translated 5 units left and 1 unit down, the equation representing the new graph is: a) y=2^(-x+5)-1 b) y=2^(x+5)-1 c) y=2^(x-5)+1 d) y=2^(x+5)-1

    asked by Anna
  12. statistics

    a company manufactures calculators in batches of 45 and claims that the rate of defects is 4%.find the probability of getting exactly 2 defects in a batch of of 45 if the rate of defects is 4%.if the store receives a batch of 45 calculators and finds that

    asked by ally
  13. trig


    asked by kim
  14. Literature

    El Olvido: It is a dangerous thing to forget the climate of your birthplace, to choke out the voices of dead relatives when in dreams they call you by your secret name. It is dangerous to spurn the clothes you were born to wear for the sake of fashion;

    asked by mysterychicken
  15. effective essay

    Notaion for subsequent mulitple authors?

    asked by Dixie
  16. Finance

    Stone Inc. is evaluating a project with an initial cost of $8,450. Cash inflows are expected to be $1,000, $1,000 and $10,000 in the three years over which the project will produce cash flows. If the discount rate is 13%, what is the net present value of

    asked by Anonymous
  17. chemistry

    Place these hydrocarbons in order of decreasing boiling point: paraffin : methane: octane: isooctane: ( also known as 2,2,4 trimethylpentane) octadecane:

    asked by ashely
  18. phys-frequency

    If one doubles the tension in a violin string, the fundamental frequency of that string will increase by a factor of: 2 4 1.4 1.7 ?_?

    asked by Taylor
  19. Microeconomics:

    Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR

    asked by Lorie
  20. marketing

    are age differences fundamentally more important than cohort effects??

    asked by Anonymous
  21. Math

    At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B. How would I show my

    asked by Punkie
  22. Marketing

    What is integrated marketing communications and information involving the communication process. please help me better understand

    asked by Bryan
  23. college/microeconomics

    Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR

    asked by Lorie
  24. math

    Construct a scatter plot for the given data. Determine whether there is a positive linear correlation, negative linear correlation, or no linear correlation.

    asked by jen
  25. Health

    Trace the path of food from ingestion to defecation. Briefly describe what happens at each stop on the journey.

    asked by Jackie
  26. calc II

    Express the integrals as the sum of partial fractions and evaluate the integral: (integral of) (x^2)dx/(x-1)(x^2 +2x+1) My work: The above integral is equal to x^2dx/(x+1)^2 (A/x-1) + (B/x+1) + (Cx+D)/(x+1)^2 = x^2 A(x+1)^2 + B(x-1)(x+1) + (Cx+d)(x-1) =

    asked by Jenna
  27. phyzzzics

    I NEED ANSWERS AND HOW YOU GOT IT~!! 3. If you use a horizontal force of 30.0 N to slide a 12.0-kg wooden crate across a floor at a constant velocity, what is the coefficient of kinetic friction between the crate and the floor? 4. A force of 4.0N is large

    asked by johnica!
  28. Physics

    A propeller spins at 1880 rev/min. the equals 197 rads/sec b. What is the angular displacement of the propeller in 2.50 s ?

    asked by Angel
  29. physics

    7. A 2000.0 kg boulder sits on the top of a 50.0 m cliff. As the boulder rolls off, it loses 3.0% of its mechanical energy as heat. How much heat energy goes the boulder lose? How much mechanical energy does the boulder have right before hits the ground?

    asked by henry
  30. Pre Calc

    Naturalists findthat the populations of some kinds of predatory animals vary periodically. Assume that the population of foxes in a certain forext vareis sinusoidally iwth time. REcord started being kept when time t = 0 years. A minimum number, 200 foxes,

    asked by Joe
  31. author

    Notation for subsequent multiple authors

    asked by Dixie
  32. Socials Studies

    1. What would be the modus operandi for john locke 2.John Locke's Major influence(Who did he admire and study) 3. John Locke's political views?

    asked by Brenda
  33. Math

    what is 12 to the 2nd power?

    asked by Sierra
  34. math addinq and subtraction fractions

    i need help please

    asked by edna
  35. algebra

    I'm not sure how to solve this problem, but the answer's -12 e^(x-6)=(1/e^2)^(X+6) Thanks :D

    asked by Jimmy
  36. abstract algebra

    can you explain automorphism and how it relates to a group, homomorphism, isomorphism

    asked by Sam
  37. Math

    I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the

    asked by S
  38. chemistry

    what is the chemical formula for vanadium phosphate?

    asked by hannah
  39. algebra

    Can someone please help me solve this? [5(1-2)-5]-[3-(3-7]

    asked by aleah
  40. French

    I have to talk about where various people went yesterday.I have to write at least three sentences and then ask someone if they went somewhere in French. Ma mère est allé travailler hier. Je suis allé au cinéma avec mes amis. Mon frère et ma sœur est

    asked by Keyanna
  41. statistics

    the participants in a television quiz show are picked from a large pool of applicants with approximately equal number of men and women.Among the last 11 participant there have been only 2 women.If participants are picked randomly,what is the probability of

    asked by lauren
  42. CRT205

    Categorizing fallacies

    asked by kase
  43. math

    f=x^2*y g=xyz find fg^2

    asked by Nicky
  44. statistic help pls

    a car insurance company has determined that 6% of all drivers were involved in a car accident last year,among the 12 drivers living on one particular street,3 were involved a car accident last year.if 12 drivers are randomly selected what is the

    asked by lauren

    What are some examples food web. What are some examples of food chains? Discuss the plants and animals that make up the food web immediately surrounding a school.

    asked by kim
  46. MULtiplying Binomials

    WHATS (3N+2)(N+3)

    asked by YESENIA
  47. chemistry

    Why does the total energy (Ke+Pe) decrease with height?

    asked by Maddie
  48. Introduction to health care

    what are some advantages and disadvantages of TRICARE?

    asked by Pam
  49. Physics

    A mass of gas has a volume of 380 cm3 at a pressure of 560 mm Hg and a temperature of 7C. What is its bolume at s.t.p.?

    asked by Betty
  50. physics

    Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross section. If the radius of curvature of the bump is r = 34 m, find the apparent weight of a 60 kg person in your car as you pass over the top of

    asked by Dave
  51. economics

    Investors have set the following expectations for profitability and earnings: ROI first year must be at least 17% Turnover in the first year is budgeted at DKK 3,400,000, oo excl. VAT and the total investment Amounts to DKK 4.000.000, oo excl. VAT. 1.1 How

    asked by Allan
  52. science

    how is magnesium supported the theory of seafloor spreading?

    asked by glydhel
  53. Physics

    A game room in a rotating space habitat is located in a .25-g region. If a person can jump .5 m high in a 1-g region, how high can the same person jump in the game room? a. .5m b. 2m c. 4m d. 8m e. more than 8m and why?

    asked by bubs
  54. English

    I am having trouble finding information on coffee makers for a modern invention project. I need information like where it was invented,purpose,where it's sold,customer,how much it costs, and other interesting info. If you have any recommandations for

    asked by Jillian
  55. CRT 205

    My question is that I need to choose three fallacies Ad Hominen/Genetic Fallacy, Wishful Thinking, Argument from Popularity, Hasty Generalizing, Argument from Outrage, Straw man. Post Hoc, Red Herring/Smokescreen. Group Think Fallacy, Scare Tactics.

    asked by kase
  56. history1301

    I need some History help! Its US History. OK first of all I would like to post the question I need help answering. I also would like to post another question that I have answered and see if it was the right answer that I came up with. thanks for the help!

    asked by beth
  57. algebra

    in 1993, the elevation of an offshore well was -3250 feet. in 1998, a new well was 310 feet deeper. What was the elevation of the new well in 1998?

    asked by aleah
  58. Physics

    Yes - if it is the same person answering it - it is me again! My question has STILL not been answered... How would I solve for upwards acceleration with this kind of image, assuming mass and force are given.

    asked by Cait
  59. Algebra

    m=8/9,(6,-4) I can get to the last step but my answer is always wrong what am i doing wrong

    asked by Julie
  60. algebra

    find -x when x=-76. Is the correct answer 76?

    asked by aleah
  61. precalculus

    which conic section is this the equation for? 3x^2 - 9x + 2y^2 = 15

    asked by JB
  62. precalculus

    the vertex of y^2 - 8y + 24 = x is... (9,3) (24,0) (8,4) (4,8) or none of these

    asked by JB
  63. College Math 213

    write each of the following in the indicated base. 1011two to base ten 1574 to base twelve MCMLIV to base ten

    asked by Debra
  64. math

    Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 8 ln x -(1/3) ln y Choose one answer. a. ln x^8 y^3 b. ln x^8

    asked by Coug
  65. English

    1. I made the boy carry my bag. 2. The boy is made to carry my bag. (#2 is the passive voice of #1. By the way why is 'to' added before "carry" in #2?)

    asked by rfvv
  66. physics

    a 15-kilogram box is dragged up an incline that is 8.0 meters long and makes an angle of 15 degrees with the horizontal. If the coefficient of friction between the box and the incline is .40, calculate the amount of work done by the applied force.

    asked by JC
  67. college Chemistry

    Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this radiation is absorbed by the water and

    asked by Need Help
  68. English

    These people were lost in the needs of other believers, v. 32, 34-37. (How do we read 'v'? Verse or Verses?)

    asked by rfvv
  69. Algebra

    In response to my previous question, I tried 115 tan 78.3. But I got -28.1. Is my calculator on the wrong setting or did I type it in wrong?

    asked by Victoria

    what are some maladaptive ways an individual may deal with stress?

    asked by scooby
  71. mathmatics

    on the first day of march, a bank loans a man £2500 at a fixed rate of intrest of 1.5percent per month. this intrest is added on the last day of the month and is calculated on the amount due the first day of the next month.the man agrees to make

    asked by recurrence relation question
  72. English/Writing

    Hi, I am writing a persuausive essay and other than trying to persuade the reader on my topic, I have to have at least 3 arugments against it, which I can defend...My topic is that children that have been raised with music in their daily lives do better in

    asked by Taylor
  73. macro econ

    I need to find whether or not the company is making an optimal inout choice. largo publishing house uses 400 printers and 200 printers to produce books. A printers wage is 20. and the price of a printing press is 5000. the last printer added 20 books to

    asked by joy
  74. history

    What caused the creation of the first truly global network of world trade in the sixteenth centruy?

    asked by Anonymous
  75. Trig

    An historic lighthouse is 200 yards from a bike path along the edge of a lake. A walk to the lighthouse is 400 yards long. Find the acute angle feta between the bike path and the walkway. I found sin which was 1/2. The book says feta is 30 degrees. But how

    asked by Victoria
  76. history

    How can historians reconstrut the past by tracing the exchange of particular commodities (such as silver)?

    asked by Anonymous
  77. English

    1. I don't know how to inline skate. 2. He is good at inline skating. 3. Do you like inline skating? 4. I made him inline/in-line skate. (Are they all grammatical? Why does it have 'inline'? What about 'in-line'? Are both expressions grammatical?)

    asked by rfvv
  78. algebra

    11x^5/4x^2 multiplied by 12x^3/25x^8 how do i simplify this?

    asked by Letisha
  79. social

    T/f 1.Borrowing from economics, rational choice theorists examine opportunities, costs and benefits when studying offenders’ decision-making processes.

    asked by Roza
  80. gen education

    identify three different personality types and develop a strategy for effective communication

    asked by tina
  81. criminal justice

    After some recent incidents involving guard mistreatment of prisoners at your local correctional institution, you have been tasked to draft a sample standard operating procedure (SOP) for guard behavior. Create an SOP that addresses the following: guard

    asked by john
  82. Pre-Calc

    Hello, I am not sure how to go about solving this equation: The total electrical resistance R of two resistors connected in parallel with resistances R1 and R2 is given by 1/R=1/R1+1/R2. One resistor has a resistance of 2.3 ohms. Let x be the resistance of

    asked by Jon
  83. Quoting,Summarizing, and Paraphrasing Sources

    How so I write a summary for Gun Control Losing Ground with an in-text citation.

    asked by Tim
  84. physics help- tension

    So to describe the picture: There is a rope holding up a 2kg block, this 2kg block has a rope attached to it holding another 2 kg block. This rope is accelerating. How can I find the tension in the rope? Time is .7 and Velocity is .35. I'm really confused.

    asked by emm
  85. Calc II

    Perform long division on the integrand, write the proper fraction as a sum of partial fractions, and evaluate the integral: (integral of) 2y^4dy/y^3 - y^2 + y - 1 After long divison I get: (integral of)2ydy + 2(integral of)dy + (integral of) 2/y^3 - y^2 +

    asked by Jenna
  86. Math

    What does this notation mean =^-1 equal sign raised to negative one power

    asked by Joe
  87. 10th grade

    How can you graph the distance between y = -3/4x - 1 3x + 4y = 20

    asked by Chubby
  88. social science

    What are 3 things that associate with the Democratic Party? What are 3 things thatssociate with the Republican Party?

    asked by kim
  89. physics

    Find the resulting displacement of a 15-km displacement and a 25-km displacement when the angle between them is 90 degrees.( Your answer should include magnitude and direction of the displacement.)

    asked by sam
  90. physics

    A rocket is fired upwards with 200.0 J of kinetic energy. How high does the rocket get at its highest point? Use the conservation formula.

    asked by bob
  91. social

    T/F 1.Marxist feminists emphasize that class is secondary to the concept of gender in their analyses of crime in a sexist capitalist society.

    asked by Monic
  92. statistics

    n=97,x=46;98% confidence

    asked by audrey
  93. social

    T/F 1.Socialist feminism combines radical and Marxist principles in explaining the nature and causes of crime.

    asked by Monic
  94. Physics

    How would I go about calculating the acceleration of a mass being pulled up an inclined plane at an angle. Given - mass, and presumably angles So the object is being pulled up an angle at another angle.

    asked by Cait
  95. Physics

    Which one of the following frequency can set the string into resonant vibration? If a guitar string has a fundamental frequency of 500Hz. a)250Hz b)750Hz c)1500Hz d)1750Hz

    asked by Satej
  96. Math

    It takes the earth about 31,558,100 seconds to circle the sun. By how many seconds does this exceed the number of seconds in 365 days?

    asked by Noah
  97. english

    what is the difference between an irregular verb and a past pariciple?

    asked by Chris
  98. it 210 computer programming

    I need to generate an object oriented design for a system that keeps track of a DVD and CD collection. Identify each of the classes, associated data, and operations of the classes. Create the pseudo code for each of the classes and draw a GUI that will

    asked by mary
  99. Math

    How do I solve Cos(theta)= 3/7 if 0 degrees is less than or equal to theta and theta is less than or equal to 90 degrees?

    asked by john
  100. biology

    examples of a food web that tells the order

    asked by james
  101. Hamlet Essay Edit? need help asap pleasee

    Can someone please edit this for me please? thanks so much! Act 5 Scene 2 concludes the Shakespearean play Hamlet. Dilemmas which were prominent in the play are resolved during this scene. Vital themes like decay, selfishness, and revenge are also

    asked by Camille P
  102. Astronomy

    If stars should always be visible, where should you be located on earth? Can I answer this considering the celestial sphere and the ecliptic? I am not sure how...

    asked by O_o Rion
  103. Medicine

    What are 8 legal and ethical responsibilities of healthcare providers?

    asked by Lenora
  104. physics

    A typical ten-pound car wheel has a moment of inertia of about . The wheel rotates about the axle at a constant angular speed making 30.0 full revolutions in a time interval of 5.00 .

    asked by christina
  105. child development

    Identify the components of the information processing theory described Define the components and their functions. Summarize the interrelationship among the components and explain what is needed to move information through the model. Explain how a child

    asked by scooby
  106. MATH

    I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the

    asked by sarah
  107. Physics

    A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The police car has a malfunctioning siren that is stuck at 992 Hz. What is the wavelength behind the police car in meters?

    asked by Keith
  108. Math

    I'm not sure how I would show my work for this problem I know the answer is 9... 140 = (n-2)180 / n

    asked by Punkie
  109. physics

    Calculate the force of gravity on a spacecraft 12800 km above the earth's surface if its mass is 700 kg.

    asked by Cyn
  110. Math

    Solve the linear system: 4x-4y=4 3x+4y=-18

    asked by tinkwink
  111. biology

    1-Why is so much heat lost from, head, hands, feet? 2-Why would the body cool down at high altitudes regardless of outside temp? 3-Describe changes that occur as body tries to acclimatize to high altitudes? 4-Describe causes and effects of pulmonary edema

    asked by paul
  112. Chemistry

    What type of bond is formed in the reaction 4Fe(s)+3O2(g)? Rust?

    asked by Aaron Jett
  113. calculus

    i really need some help, i really appreciate all yalls help. Consider the function F(x)=2x^2-5x+5/x-2 Domain Vertical,horizontal,or slant asymptotes x-intercept(s) y-itercept(s) symmetry(respect to x, y-axis or orgin) F’ (x) Critical numbers F” (x)

    asked by marlyn
  114. history

    similarities and differences between declaration of rights of man and bill of rights?

    asked by kortney
  115. 1 Quick Banking Question

    Which of the following is a consideration when comparing returns on financial instruments in a globalized financial system? A. The Return B. The Maturity C. Both A & B Thanks!

    asked by Bobby
  116. math

    There are 3 speedboats travelling down a straight river that runs North - South between two bridges which are 325 miles apart. The red speedboat starts at the North bridge and travels South at a spped of 150mph. The blue speedboat starts at the South

    asked by Anonymous
  117. Math

    An investment pays 6% compounded four times a year. How would you be able to find the annual growth factor and rate?

    asked by Katlyn
  118. Statistic

    A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

    asked by Anonymous
  119. Math

    F25= 75,025 and F26= 121,393 where Fn is the nth term in the Fibonacci sequence. Find F27. I do not understand the Fibonacci sequence, could someone help me with my question and explain it to me please.

    asked by Punkie
  120. Math

    I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 1. Write an equation of the line containing the given point and parallel line (5,-1), 3x-7y=9 My answer was: y=3/7x-22/7 2. Find the

    asked by S:Please, I just need a check
  121. physics

    A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 8.0 J of work is required to compress the spring by 0.17 m. If the mass is released from rest with the spring compressed, it

    asked by Anonymous
  122. business law

    Should the federal government have special rules, or should federal property be subject to the same laws/rules/regulations as private property? Why or why not?

    asked by stressout
  123. Fundamentals of business law

    Uniform Law for Computer Info Transactions is Offered National Law Journal, August 30, 1999. After more than 10 years of proposals, revisions and re-revisions, the National Conference of Commissioners on Uniform State Laws (NCCUSL) at long last voted to

    asked by stressout
  124. 8th grade

    Colonists' social position depended on this (2 words)

    asked by hunter
  125. child development

    • Compose a 1,400- to 1,700-word paper analyzing the information processing theory. o Identify the components of the information processing theory described in the text. o Define the components and their functions. o Summarize the interrelationship among

    asked by scooby
  126. Chemistry

    Determine the molar mass of the unknown acid.? A 0.167-g sample of an unknown acid requires 27.8 mL of 0.100 M NaOH to titrate to the equivalence point. Elemental analysis of the acid gives the following percentages by mass: 40.00% C; 6.71% H; 53.29% O.

    asked by Kyle
  127. Early Childhood Education

    When a child repeats a behavior or action simply to observe that action, you would NOT infer that, A. the child finds the behavior self-reinforcing B. the stimulation of the action is satisfying C. the stimulation provided by the action is associated with

    asked by Charlene
  128. biology

    what does it mean when it says that "cells cannot cleave indicator molecule." What does cleave mean?

    asked by Anonymous
  129. integrated marketing communication

    can you guys please help me or give me a link of some sample of STP(segment target postioning) of any market thank you very much

    asked by like roses
  130. Mythology

    What is hell called in celtic mythology? It isn't Tir na n-Og. And Sra, don't patronize me with a Google search.

    asked by Janet
  131. math

    A survey of 9,286 cars on a company’s parking lot. 15% is chrysler, 5% is honda, 19% is toyota and 35% is chevrolet. how many fords are parked on the lot?

    asked by brina
  132. Maths

    Two people are about to begin an 18000 km trip across Asia in a Land Rover. They know that each tire will last for exactly 12000 km and not one bit more. Since they have a four-wheeled vehicle, can you figure out the least number of spares they need to

    asked by Donna
  133. Chemistry

    I am wondering if my work makes sense for the following problem: Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near

    asked by GenChem
  134. english

    I have a 5 page essay for an English Class. We have read Martin Luther King's "letter from Birmingham Jail" and Jonothan Kozol’s essay “The Human Cost of an Illiterate Society” The essay is on how both authors, Martin Luther King Jr. and Jonothan

    asked by Kim P.
  135. math

    what did the donut say to the filling?

    asked by Tatiana
  136. Calculus

    Two bacteria colonies are cultivated. The first colony has a doubling time of 2 hours and the second a doubling time of 3 hours. initially, the first colony contains 1,000 bacteria and the second colony 3,000 bacteria. At what time t will sizes of the

    asked by Mark
  137. 10th grade

    What element, found in all plants and animals, is used by scientists to determine approximate dates for an artifact’s age?

    asked by Anonymous
  138. Economics/Statistics

    1. Assume that q and z are two random variables that are perfectly positively correlated. q takes the value of 20 with probability 0.5 and the value of zero with probability 0.5, while z takes the value of 10 with probability 0.5 and the value of zero with

    asked by Susan
  139. Economics (Production Possibility Frontiers)

    Assume that the endownment of capital and labor in a given society is 20 units of capital and 20 units of labor. The production function of good X can be expressed as X = K1/2L1/2, and the production of good Y can be expressed as Y = K + L. Which of the

    asked by Susan
  140. Economics (PPFs)

    Society has 20 units of capital and 20 units of labor. The production function for X can be expressed as X = K1/2L1/2, and the production for Y can be expressed as Y = K + L. Which of the following input allocations is not efficient? Solution: Industry X

    asked by Susan
  141. Prisoner's Dilemma

    In an finitely repeated prisoners' dilemma-type game (with a known finite number of repetitions), the equilibrium outcome is (A) players randomizing. (B) players taking turns getting punished. (C) cooperative behaviour. (D) one player confessing while the

    asked by Susan
  142. math

    in music what does "allegro" mean?

    asked by victoria
  143. Game Theory

    Under a mixed strategy, (A) a player moves sequentially. (B) player chooses among two or more pure strategies according to pre- specified probabilities. (C) the players may never reach a Nash equilibrium. (D) cheating is encouraged. (E) players are

    asked by Susan
  144. calculus

    integrate x*(x+1)^9dx I believe the substitution method is the proper way?

    asked by Shannon
  145. international business

    I need to know exactly what the Foreign Corrupt Practice Act in Lima, Peru states as far as for a company called Gelerex.

    asked by harold
  146. *updated Chem

    I am wondering if my work makes sense for the following problem: Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near

    asked by GenChem
  147. PreCalculus

    I have a question I do not think anybody answered it Researches find a creature form an alienplanet. Its body temperature is varying sinusoidally with time. 35 min after they start timing, it reaches a high of 120 F. 20 min after that it reaches its next

    asked by Joe
  148. U.S. History

    Can someone please help me with this? I need to write a paper as if I was a Radical Republican Senator and representing the Radical Republicans. In this paper I need to talk about the challenges of Reconstruction. I also need to talk about the failure of

    asked by B.B.
  149. Physics

    A space habitat is designed so that the variation in g between a person's head and feet is less than 0.01 g If the person is 2 m tall then the radius of the habitat is?

    asked by bubs
  150. precalculus

    Two people standing 30 feet apart look east at the top of a tree. The first person looks up at an angle of 78 degrees. The second person looks up at an angle of 62 degrees. How tall is the tree (to the nearest foot)?

    asked by Annie
  151. History 1865 to 1945

    I need some help with my history. What was some of the challenges and failure of Reconstruction for the Radical and Moderate Republicans? I know that the Reconstruction was thought to be a failure but what positive changes took place during this time?

    asked by B.B.
  152. english paradise lost

    who was eve's first love lines 449-491

    asked by sam
  153. Marketing

    Where Can I find an example of a gantt chart used for a cafe business

    asked by Bryan
  154. maths

    how many minutes is it before 12 noon if 132 minutes later it will be 3 times as many minutes before 3 pm?

    asked by lisa
  155. compter science

    computer science has taKE PLACE IN THE WORLD?CAN ANYONE TELL that will it take place in future ?

    asked by gulraizkhan
  156. chemistry

    hey can u tell that who invented chmistry and is this subj is conceptual or not?

    asked by gulraizkhan
  157. effective essay

    Across font required fro apers?

    asked by Dixie
  158. effective essay

    How items are arranged in are reference list

    asked by Dixie
  159. Math

    Solve the equation. (the 6s are supposed to be sub-scripted, but I can't type subscripts) Problem: log6 7 - log6 x = 4 Choose one answer. a. 7/24 b. 7/1296 c. 7/4 d. 1296/7 I am so lost, can you please help me understand this? I need to know how to do

    asked by Coug
  160. English

    1. We merely need to plug in to the same sources of power they yese in that day. 2. We merely need to plug in to the same sources of power they yese on that day. (Which one is correct, 'in that day' or 'on that day'? Are both correct? Which one is

    asked by rfvv
  161. physics

    A 0.34 kg pendulum bob is attached to a string 1.2 m long. What is the change in the gravitational potential energy of the system as the bob swings from point A to point B, where θ = 37°?

    asked by John
  162. chid

    In preparing a budget for a day care center, you must plan for taxes. As an employer, you must pay part of each employee’s _______ tax. A. Social Security C. state income B. federal income D. local

    asked by lisa
  163. english

    what is the stylistic device in "he sang a solitary song that whistled in the wind"

    asked by mike
  164. calc

    Integrate (1/2)^(3x+2)dx using substitution.

    asked by Carly

    I thought phase shift was theta over omega correct??? and the period equals two pi over omega 40 min = (2pi)/omega omgea = pi/20 min phase shift = theta over omega phase sift = (20?)/pi min now you said phase shift was (35 pi)/40 I do not see why I

    asked by Joe
  166. English

    1. The girls singing in the room are my friends. 2. The singing girls in the room are my friends. (Which one is right? Are both grammatical?)

    asked by rfvv
  167. English

    1. I made the boy carry my bag. 2. The boy is made to carry my bag. (#2 is the passive voice of #1. By the way why is 'to' added before "carry" in #2?) English - Writeacher, Sunday, December 6, 2009 at 8:33pm One is not exactly the passive of the other.

    asked by rfvv
  168. English

    Restore those who are suffering from illness. Heal those suffering with illness in your time and in your way. Give me your power. Make me wealthy. (This is one of a prayer example. Does it look good? They sentences start with base verbs. They are

    asked by rfvv
  169. English

    Do these words mean the exact same thing? Sexism, Chauvinism

    asked by Lena
  170. English

    1. I forgot to bring the camera. 2. I forgot that I would bring the camrea. 3. I forgot that I should bring the camera. 4. I forgot that I had to bring the camera. 5. I forgot that I must bring the camera. (Does #1 mean #2, 3, 4, or 5?)

    asked by rfvv
  171. Geography

    why had natural flooding of the yankze river become more of an issue before the three gorges dam project?

    asked by Numz
  172. Chemistrt

    How many grams in 4.00 moles of Fe2O3? Answer 4 Moles Mass = 159.7 grams 4 X 159.7/1 = 6.388 or 6.39 grams. How do you get 6.39X102grams? Fe is +2 and O is –2. you have 2-Fe and 3-O why would this not be 6.39X10-2 grams

    asked by Paul
  173. Business

    What is a good example of (PR) Public Relations?

    asked by Bryan
  174. calc

    A manufacturer of aluminum cans has budgeted 20ð square centimeters of material for each can. What is the maximum volume that such a can could hold?

    asked by jackie
  175. math trigonometry

    My question is kinda hard i don't know how to start the problem to get my answer. the question is: You are cleaning the gutters on your house. the gutters are @ a height of 24 feet. if you have a 50 foot ladder, what is the minimum angle the ladder can

    asked by kayla
  176. Accounting

    How would the exchange of stock for land be handled on a cash flow statement?

    asked by Jay

    solve algebriaclly the equation y=2sin2x+1 for 0

    asked by MATHS QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!
  178. apush

    some environmentalists today urge strict ocntrols over the development of natural reosurces. Is this kind of govermnet regualtion consistent with americas free enterprise system. explain.

    asked by electra
  179. Communications

    Ethics may be viewed in communication as

    asked by echo
  180. math

    bob wants to glue glitter over a piece of felt shaped like a rectangle with length 46 inches and width 56 inches. if the glitter costs .30 to cover a square foot of material , how much will it cost to cover the felt with glitter?

    asked by sara
  181. precalculus

    convert the equation y^2 = 2x -x^2 into polar form. convert the equation r = 2tan(theta) into rectangular form. I'm not really sure what either of these mean. I vaguely understand polar coordinates, but I'm not sure how to convert equations back and forth

    asked by Annie
  182. Banking & Money

    Couple questions here... "Under fixed exchange rates," A. The Free Market is the major determinant of the exchange rate. B. Official government transactions maintained the agreed-upon exchange rate by buying and selling foreign exchange. C. The balance of

    asked by Bobby
  183. physics

    The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 70.0 kg person of height 1.79 m would have a body surface area of approximately 1.90 m^2. What is the net amount of heat this person could radiate per

    asked by AE
  184. PreCalc

    so what is the equation of the line??? h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 1 4 7 1 4 4 I understood this y = 120 + 8sin((pi)/35 - (5pi)/4)=120 were do i go from here THANKS!!!

    asked by Joe
  185. computers

    Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?

    asked by Anonymous
  186. Physics

    A bolt is to be tightened with a torque of 8.0 N*m. If you have a wrench that is 0.35 m long, what is the least amount of force you must exert? the equation for this problem is t=Fr sinbeta, but the sin is not given What am I suppose to do?

    asked by Shawn
  187. biology

    what is the difference between a cyclin and a growth factor? thanks

    asked by a
  188. Calculus

    Solve the differential equation, we're using u substitution: dy/dx= 4x + (4x/ sqr root (16-x^2)) Thanks. Please respond!

    asked by Taylor
  189. physics

    The two blocks in the figureoscillate on a frictionless surface with a period of 1.7 s. The upper block just begins to slip when the amplitude is increased to 37 cm. What is the coefficient of static friction between the two blocks?

    asked by Anonymous
  190. physics

    if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26 degrees from feet to tree...whats the height of the tree?

    asked by josh
  191. math

    there are 8 students in a class. The students read a book. Howmany arrays can be made if they arrange themselves in different arrays?

    asked by jake
  192. physics

    Hi, could anyone help me please, Thank. Gas in a container is at a pressure of 1.3 atm and a volume of 1.0 m3. (a) What is the work done on the gas if it expands at constant pressure to twice its initial volume? (b) What is the work done on the gas if it

    asked by Chan
  193. biology -nervous system

    According to the book, "Surviving the Extremes" ch. High Altitude, explain the following: PS-its ok if you've never read it but aslong as you can answer the qeustions well. ok here there are: 1-Why is so much heat lost from, head, hands, feet? 2-Why would

    asked by Sara
  194. algrebra

    10-3y-7y= } i dunno how to do this?

    asked by help
  195. Social Studies

    What happened in the Indonesian Revolution of 1998? I have to write a summary on it but i do not understand the articles that i find online.

    asked by Jeaninne
  196. calculus/finite

    I am taking an online finite math class, so I don't have an instuctor to sit down with me and help me. The text book is so hard to follow. One of the problems I have having a hard time with gives an initial tableau and asks us to use the simplex method to

    asked by Amanda
  197. 10th grade world history

    why do religions that have common geographic origins tend to share common code of behavior and views of the nature and reason for existence?

    asked by Laura
  198. Advanced Biology

    How can muscle protein fingerprints be used to study evolutionary relationships among organisms?

    asked by Jennifer