Questions Asked on
March 10, 2010

  1. 12th grade

    A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it

    asked by Janelle
  2. Precalculus

    Explain why there does not exist a point on the horizontal axis whose distance from (5,4) equals 3. HELP!!

    asked by jh
  3. health and disease

    How do disease impact the delivery of health care services, such as treatment options and resources available today to the public?

    asked by Jenny
  4. Math

    Block A & B slide on lubricated surfaces for which friction is .1. knowing that the system is released from rest, determine the velocity of block B after 5 seconds block A is 10 N block B 20N and block B is on a 30 degree incline connected to a at top of

    asked by scott
  5. English

    1. Did you apply the cosmetics on your face? 2. Did you wear the cosmetics on your face? 3. Did you put the cosmetics on your face? (Are all correct and the same? Can we use 'lotion' instead of 'cosmetics?)

    asked by rfvv
  6. eth125

    what do yopu predict the effect on hispanic and latino panethnicity to be the future

    asked by lisa smith
  7. English

    1. Give me five grapes from the bunch of grapes. 2. You should call the Internet connection company. Then you can get the Internet installed, but you should have your ailen card. 3. Interview two of your new friends and write down the information of the

    asked by rfvv
  8. Algebra

    How do you find the function to a problem quickly? For example: A tennis club holds a doubles tournament every spring. This year the club has 40 teams involved. At the end of each round half of the teams are eliminated. How many rounds must be played to

    asked by Renee
  9. trig

    prove: tan*2x-sin*2x=sin*2xtan*2x

    asked by ruby
  10. Precalculus

    Suppose f is a function with exponential decay. Explain why the function g defined by g(x)=1/f(x) is a function with exponential growth. PLEASE HELP!!

    asked by jh
  11. chemistry

    lets just say that 5g of solid benzoic acid burns under gaseous oxygen atmoshphere. Temperature increases from 20c to 50c. So is this exothermic so the sign is negative? how is it not the same as 2 mol of solid iron (C = 25.1 J/(mol K)) is heated from 20C

    asked by eng
  12. english

    How can I make this a better five –sentence paragraph using chronological order to arrange the details of the paragraph? Signing to my homepage is simple. First I go to the school website which is ………. . Then I click on student login. Then I enter

    asked by Me
  13. chemistry

    Rank these elements in terms of increasing atomic radius AI, F, Sr, N, Cs

    asked by liz
  14. Math

    I need help with this problem. I have to prove that cos^2(2x)-cos^2x = sin^2x-sin^2(2x)

    asked by Clarise
  15. chemistry

    Given the equilibrium constant values: N2 + 1/2O2 >>> N2O ; kc = 2.7 * 10^-18 N2O4>>>>2NO2 kc=4.6*10^-3 1/2N2 + O2>>>NO2 kc = 4.1 * 10^-9 What is a value of Kc for this reaction? 2N2O + 3O2 >>> 2N2O4

    asked by abe
  16. College chemistry

    A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.70 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)

    asked by Nikita
  17. physics

    The MASS OF A SATELLITE IS 2000Kg .DETERMINE THE WEIGHT OF OF THE THE SATELLITE WHEN IT IS (i)resting on the earth (ii) 1000km above earth surface

    asked by fanuel
  18. physics

    Two billiaard balls rolls to one another under an angle of 45°. Ball A have a speed of 3m/s and follows a track along the positive x-axis. Ball B moves on a track towards the x-axis and comes from the left top corner with a speed of 2m/s. Calculate the

    asked by Ernest
  19. 4th grade

    Analogies an impression is to ____ as an image is to see.

    asked by trice
  20. biology yr 12

    please help i have 2 biology questions. identify examples of transgenic species and their uses, in both plants and animals. and use available evidence to debate the ethical issues arising from the development and use of transgenic species. thankyou :)

    asked by Hayley
  21. ALGEBRA

    help me solve 6/z+8 = 5/z-3? do i first find the lcd?

    asked by GGIFT
  22. ALGEBRA

    Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together? ____ minutes ??

    asked by GGIFT
  23. ETHICS IN MANAGEMENT

    Write a 1,050- to 1,200-word paper on personal ethics development that examines your personal ethical system and ground rules, including its origins and development.

    asked by flowerpower
  24. ALGEBRA

    I need help finding the LCM of (8+3w) (64-9w^2) (8-3w)

    asked by GGIFT
  25. ALGEBRA

    Maria bicycles 7 km/h faster than Carlos. In the same time, it takes Carlos to bicycle 42km, Maria can bicycle 63km. How fast does each bicyclist travel?

    asked by GGIFT
  26. physics

    how will the weight of a 20 kg object change if it was in a lift that accelerates at 4 m.s?

    asked by Anonymous
  27. ALGEBRA

    If I am dividing the following: x^2+3x over x^2+2x-3 by x over x+1.. i know to do the recip. of x over x+1 and get the foll. x^2 + 3x over x^2 + 2x -3 times x+1 over x... now (x^2+3x)(x+1) over (x^2+2x-3)(x) now x(x+2)(x+1) x(x+2)(x-1) the x+2 over x+2 = 1

    asked by GGIFT
  28. biology

    This is to do with genetics and drosophila. There are 3 pairs of characteristics - body colour, eye colour and wing length. The parents are all from pure-breeding lines. First Cross P1: male-grey body, normal wings female-black body, vestigial wings F1:

    asked by Anonymous
  29. maths

    Determine the coordinates of the point on the curve representing the function f(x)=ln(2x-1) where the tangent is parallel to the line with equation 2x-5y=0 Thanks for any help!

    asked by Anonymous
  30. chemistry

    What is the expression and numerical value for the equilibrium constant for the following: Ag+ + Cl- = AgCl(s) using the Ksp= 1.8*10^-10 of AgCl please show how its calculated.

    asked by S
  31. Maths

    Calculate the area of the surface bounded by the curves representing the functions f(x)=x²+6x and g(x)=4/(x-2). Thank you in advance If possible, help with this question aswell: Calculate f'(x)=(e^2x - ln(2)). Between ln(2) and 0. I know you integrate the

    asked by Anonymous
  32. probability

    A cooking recipe lists 6 ingredients which must be mixed in the correct order. Unfortunately the bottom of the page on which the correct order was given has been burnt off. Suppose that you make a guess at the correct order. What is the probabilty that you

    asked by Anonymous
  33. health policies

    How have major policies shaped health care for the older adult?

    asked by april
  34. physics

    A COPPER BLOCK ,MASS 500g AND AT 200 DEGREES CELCIUS GIVES OUT ENERGY AT AN AVERAGE RATE OF 50W. (i)what is temperature after 5 min ? (ii)how long will it take before its temperature drops to 50 degrees celcius

    asked by keheze
  35. Business

    In one of my assignments I'm suppose to explain the types of input text in business case analysis. I read my book and the resource book but all it says is that there are more types of input texts than the case study itself. :S I tried searching online for

    asked by Jade
  36. calculus

    How do you prove that the total area of a four-petaled rose r=sin2x is equal to one-half the area of the circumscribed circle?

    asked by Bobby
  37. calculus

    Find an interval of t-values such that c(t)=(2t+1,4t-5) parametrizes the segment from (0,-7) to (7,7). What do you do???

    asked by Dana
  38. 9th grade

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time

    asked by Kimmie
  39. Engliash

    Need some help from teachers :) On Friday I am teaching Phrasal verbs (ninth grade,learning English as a foreign language, introducing Phrasal verbs) Anyway, I need some funny ideas on how to practice phrasal verbs (not the typical fill in exercises) but

    asked by refy
  40. 9th

    Solve for: -20

    asked by Kimmie
  41. managerial accounting

    Using the data below please do the following in an Excel spreadsheet and e-mail it directly to me. 1. Prepare an income statement using variable costing (25 points) 2. Compute the unit product cost under both absorption and variable costing (10 points) 3.

    asked by morty
  42. Algebra

    what is the equivalent expression of 94 + xy

    asked by Dora
  43. Algebra

    Collect like terms 18r^2 + 7s + 4r^2

    asked by Dora
  44. Math

    Use factoring to solve the quadratic equation. 5x2 - 25x + 30 = 0

    asked by Anonymous
  45. Algebra

    In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

    asked by Dora
  46. math

    Factor completely, or state that the polynomial is prime. 375x^3 - 192y^3

    asked by Anonymous
  47. math

    1.Use factoring to solve the quadratic equation. x2 - 64 = 63x

    asked by Anonymous
  48. math

    Factor completely, or state that the trinomial is prime. 3y^3 + 15y^2 + 18y

    asked by Anonymous
  49. math

    Factor using the formula for the sum or difference of two cubes. x^6 - 27y^3

    asked by Anonymous
  50. English

    Can you check the grammar in the following statements I need to prepare for tomorrow, please? I just want to make sure that the use of the prepositions and pronouns is correct. Thank you very much in advance. 1)A simile is a stated comparison between two

    asked by Franco
  51. English

    I forgot to include the following statements. I really hope you can correct them as well. 8)The wind goes away from her house or the wind left her house? 9)The omniscient narrator can be divided into obtrusive and unobtrusive (is it correct? Or would be

    asked by Franco
  52. chemistry

    how could you determine whether all the potassium chlorate had been decomposed after heating it using the law of definite composition?

    asked by Ash
  53. chemistry

    why is the law of definite composition important?

    asked by Ash
  54. math

    I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide

    asked by jen
  55. 7th grade

    Nikki read 896 pages of her book this week. How many pages is this per day?

    asked by Anonymous
  56. MATH

    CAN SOMEONE HELP ME WITH THIS PROBLEM HAT SIZE HEAD CIRCUM. HEAD CIRCUM- 7 1/2 20 3/5 60 X X 59 FOR THE FIRST X ROUND TO THE NEAREST EIGHT INCH. fOR THE SECOND X ROUND TO THE NEAREST FIFTH INCH AS NEEDED.

    asked by jen
  57. Chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by Andrew Howard
  58. Maths

    if q>0, how can u use the graph of y =sin theta to draw the graph of y =sin theta +q?

    asked by Angel
  59. social studies

    in what way could putting a tariff on foriegn shoe imports result in a disadvantage to the untited states economy or to the United states consumers.

    asked by bill
  60. Chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by Andrew Howard
  61. physics

    A boy pulls a sled of mass 5.0 kg with a rope that makes an 60.0° angle with respect to the horizontal surface of a frozen pond. The boy pulls on the rope with a force of 10.0 N; and the sled moves with constant velocity. What is the coefficient of

    asked by Anonymous
  62. geography

    can you tell me what cultural influences? means

    asked by nicky
  63. geography

    Which statements describe cultural influences? 1)Florida is bordered by water on three sides. 2)French is spoken in parts of Louisiana. 3)Forests are cleared to provide space for cattle grazing. 4)Male children are encouraged to attend the university.

    asked by nicky
  64. help

    A group of five students needs to break into two smaller groups in order to tackle the two different assignments associated with a larger group project. Naturally, they feel that it would be most fair to break into groups of two and three. How many ways

    asked by sam
  65. calculus

    How do you find the area of the intersection of the circles r=sinx and r=cosx?

    asked by Tim
  66. arithmetic

    The sum to t of an Arithmatic Sequence is 1/2 t(5t-1).Determine the k term

    asked by Anonymous
  67. geometry

    The bases of a trapezoid measure 1/4 and 3/8 inches, and the height is 1 inch. What is the area of the trapezoid?

    asked by travis
  68. SCience

    An RC-circuit has a time constant of 6x10-3 seconds. The capacitor stores a maximum energy of 8 J, when charged using a 3-Volt battery. Using the same battery, we want to increase tenfold the amount of stored energy, while keeping the same time constant

    asked by Mike
  69. Geography

    Which statement is not a benefit of increased development? A)improved access to health care B)increased wealth C)more even distribution of resources D)reduced unemployment i think i might be (B) beacuse it is not benefit the increased development.

    asked by nicky
  70. MATH

    tan è = RISE OVER RUN, RISE IS 10 AN D RUN IS 6 tan è = 10/6 SOLVE è

    asked by CLINT
  71. com 220

    I have to write a thesis statement on a topic I am going to write on my topic is Racism this is my thesis statement. How can I improve it? Why did racism start, as we are all the same? The first step is to identify how racism started and why people are

    asked by Tracie
  72. BIOCHEMISTRY

    WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?

    asked by ELAINE
  73. math

    Factor completely, or state that the polynomial is prime. 375x^3 - 192y^3

    asked by ree
  74. physics

    A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the

    asked by Anonymous
  75. ALGEBRA

    to solve the following: 4-s over 7-s = 3 over s-7... LCD is s-7 then (s-7)(4-s over 7-s) = (s-7) (3 over s-7)? am I on the right track???

    asked by GGIFT
  76. Algebra

    log3 (2x – 1) – log3 (x – 4) = 2

    asked by Kelli
  77. english

    do good stereotypes always have to send out good messages towards those good people?

    asked by Anonymous
  78. Nath(Urgent Please check)

    1)Complete the identity sec Q - 1/sec Q Does this equal -2tan^2Q?

    asked by Abbey
  79. law of definite composition

    when performing an experiment using potassium chlorate and heating it to form potassium chloride what reasons can you offer for any differences between your results and another lab group in your class?

    asked by Ash
  80. math

    A set of data is normally distributed with a mean of 16 and a standard deviation of 0.03. What percent of the data is between 15.2 and 16?

    asked by Sally
  81. Math

    Find P(5,2).

    asked by Sally
  82. Math

    How many ways can 9 keys be arranged on a circular key ring?

    asked by Sara
  83. Math

    Find the probability of tossing exactly 2 heads on 3 tosses of a fair coin.

    asked by Sara
  84. Physics

    Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest?(b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00

    asked by Kelsey
  85. math logic

    A group of five students needs to break into two smaller groups in order to tackle the two different assignments associated with a larger group project. Naturally, they feel that it would be most fair to break into groups of two and three. How many ways

    asked by M.A.
  86. physics

    When an automobile moves with constant speed down a highway, most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces exerted on the car by the air and the road. If the power developed by the

    asked by Kelsey
  87. Math

    Find the first three iterates of the function f(x)=x^2-2,if the initial value is -2.

    asked by Nora
  88. Math

    Two cards are drawn at random from a standard deck of 52 cards. What is the probability that both cards are queens?

    asked by Nora
  89. Math

    Write 0.36 as a fraction.

    asked by Kevin
  90. geography

    Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i really don't know this one maybe a but im very unsure

    asked by nicky
  91. chemistry

    What happens when : (give balanced chemical equations only) 1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with zinc hydroxide 3.potassium reacts with oxygen 4.sodium carbonate is fused with silicon dioxide 5. when bleaching powder reacts

    asked by paula
  92. chemistry

    How aluminium is extracted from its BAUXITE ORE which contains Fe203 and Sio2 as impurities?

    asked by paula
  93. math

    Short math quadractic equation word problem*best answer? josh buys concert tickets worth $180, he then keeps 2 of the tickets and sells the rest for 9 dollars more, he make a total profit of $36, after selling all the tickets. what was the original ticket

    asked by sam
  94. Geography

    Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service

    asked by nicky
  95. Chemistry

    Name the following compounds by IUPAC system : 1. [ Cr (NH3)3 Cl3] 2. Na4[Fe (CN)6 ] 3. Fe4[Fe (CN)6]3 4. [Ag(NH3)2] OH 5. [Cr(NH2-Ch2-ch2-NH2)3]cl3

    asked by paula
  96. chemistry

    How hydrogen on large scale is prepared from water? How SODIUM METAL on large scale is prepared from common salt?

    asked by paula
  97. math

    josh buys concert tickets worth $180, he then keeps 2 of the tickets and sells the rest for 9 dollars more, he make a total profit of $36, after selling all the tickets. what was the original ticket price? howmuch people bought the ticket?

    asked by sam
  98. biology

    Why fresh water fishes pass dilute urine? what is " Meroblastic clearage" ?

    asked by paula
  99. English

    I have to fix sentences. these are the ones i am stuck on.. It was a surprise to both Marys and I to learn that Switzerland didn't give women the right to vote until 1971. Each of the young women in the Family Life class decided not to marry after they

    asked by Tori
  100. physics

    Show that beta = 3 alpha Why a gas has two heat capacities?

    asked by paula
  101. chemistry

    DATA TABLE 1: DATA FOR REACTION MIXTURES Tube Number Pb(NO3)2 NaI Height Ppt. (cm) Maximum Theoretical Yield Ppt. (mol) (mL) (mol) (mL) (mol) 1 2.0 0.5 16.0 0.5 0.6 2 4.0 0.5 14.0 0.5 1.3 3 6.0 0.5 12.0 0.5 1.8 4 8.0 0.5 10.0 0.5 1.5 5 10.0 0.5 8.0 0.5 1.7

    asked by BT
  102. chemistry

    DATA TABLE 2: SPOT TESTS OF SUPERNATANT SAMPLES FROM REACTION TUBES Substance Added Tube 1 Ppt.? Tube 2 Ppt.? Tube 3 Ppt.? Tube 4 Ppt.? Tube 5 Ppt.? Tube 6 Ppt.? Pb(NO3)2 yes yes no no no no NaI no no no yes yes yes reagent present in excess How do I

    asked by BT
  103. physics

    Two charges of -5 x 10(power -6) C and 3 x 10(power -6) C are placed at distance of 200mm from each other , find point on the line joining the charges at which electric field is zero.

    asked by paula
  104. chemistry

    Pb(NO3)2 6.0mL 0.5 mol NaI 12.0mL 0.5 mol What is the mole ratio between Pb(NO3)2 and NaI?

    asked by BT
  105. Math 157

    five numbers are to be picked, without repetition from 44 numbers to determine the winner of the fortune five game in the state lottery. If the order of the numbers is insignificant how many different ways can a winning quintuple be seleted? what is the

    asked by Sulynn
  106. chemistry

    What is the mole ratio of the reactants in a tube containing: Pb(NO3) 22.0mL 0.5 mol NaI 16.0mL 0.5 mol

    asked by BT
  107. chemistry

    What is a complete ionic equation for the reaction between Pb(NO3)2 and NaI?

    asked by BT
  108. trig

    A plane is flying at an elevation of 30000 feet. It is within sight of the airport and the pilot finds that the angle of depression to the airport is 18. Find the distance between the plane and the airport. Find the distance between a point on the ground

    asked by tim
  109. trig

    The captain of a ship at sea sights a lighthouse which is 280 feet tall. The captain measures the the angle of elevation to the top of the lighthouse to be 25. How far is the ship from the base of the lighthouse?

    asked by tim
  110. college

    For the reaction P4(s) + O2(g) = P4 O10(s) Identify the limiting reaction mixture conataining 1.00 mol each of P4 and O2

    asked by Al
  111. World Religion

    Studying for midterms and trying to absorb all this. Does anyone know: Is the Upanishads the philosophical portion of the Rig-Veda? The duties (dharma) of each class. Where they found in the Mahabharata? Thanks

    asked by Leesa
  112. physics

    A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the

    asked by esther
  113. to make equal

    NH4+ + So4-2 + Zn+2 + 2Cl- -->>

    asked by Dymex
  114. Chemistry- Solubility Curves

    If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt will be recovered? I know that I should know this.. But it has 50 grams of water instead of 100. ): Please, someone tell me how

    asked by Rachel
  115. Chemistry

    How many grams of CH3OH must be added to water to prepare 420.0 mL of a solution that is 5.0 M CH3OH?

    asked by Camarra
  116. Chemistry

    What volume (mL) of a concentrated solution of sodium hydroxide (2.00 M) must be diluted to 600.0 mL to make a 0.860 M solution of sodium hydroxide? Express your answer to the nearest tenth mL.

    asked by Camarra
  117. Chemistry

    In a titration of 26.0 mL of 0.840 M H2SO4, __________ mL of a 0.200 M KOH solution is required for neutralization. Express your answer to the nearest 1/10 mL. Hint: remember H2SO4 is a diprotic acid

    asked by Camarra
  118. english

    What is the predict in the sentence The naval aviators were physically abused in horrible ways.

    asked by liz
  119. psychology

    What would cause prices to drop? Which of the following would cause prices to drop? A.) Increased production by business. B.) Increased taxes on business. C.) Higher levels of demand by consumers. or D.) A reduction in the money supply. I would truly

    asked by vedrana
  120. science

    how do i draw a simple particle diagram to show how ear defenders will work

    asked by fred
  121. world geography

    the belief_____, or rebirth,is part of the hindu religion

    asked by davina
  122. financial Accounting

    Johnson's boat yard Inc., is completing the accounting process fr he year just ended, Novembe. 30, 2010. The transactions during 2010 have been journalized and posted. The following data with respect to adjusting entries are available: On October 1,2010,

    asked by Karinna
  123. chemistry

    How many miles of sodium hydrogen carbonate would be needed to react with 150.0 g of sulferic acid?

    asked by Megan
  124. math

    A $5,000 loan is offered for 18 months at 7.50% compounded quarterly. For full marks your answer(s) should be rounded to the nearest cent.

    asked by vlad
  125. Math

    Simplify: 1-m ——— m ————— m-1 — m

    asked by .
  126. geography

    Culture is seldom a factor in world conflict. A)True B)False i think its false

    asked by nicky
  127. Math

    Consider the equation below. (Give your answers correct to two decimal places.) f(x) = 8sin(x) + 8cos(x) 0 ≤ x ≤ 2 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.) ( , ) union ( , ) Find the

    asked by Aymal
  128. geography

    Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service

    asked by nicky
  129. Math

    A juice mix requires the addition of 32 oz of water for every 12 oz of juice concentrate. How much juice mix may be made from 15 oz of concentrate?

    asked by Hanna
  130. geography

    Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i think its A or C am i right

    asked by nicky
  131. Literacy

    PROVIDE EXAMPLES OF SUCCESSFUL PRACTICE OF PHONICS FOR ENGLISH LANGUAGE LEARNERS AND BUILDING LANGUAGE DEVELPMENT TOWARD FLUENCY

    asked by Anonymous
  132. Medical Assittant (college)

    How do you fill out medical insurace and legers and stuff for a patient?

    asked by Secoyah
  133. Mathtoo

    what is the least common denominator of 3/5+1/3

    asked by Hailey Lane
  134. Geography

    What impact did the dissolution of the Union of Soviet Socialist Republics have? A)affected nations throughout the world B)decreased conflict in eastern Europe C)increased communism throughout the world D)none its B right

    asked by nicky
  135. math

    4 times the sum of a and b

    asked by troy
  136. Global History

    What was the role of the Nazi party? Why were Jews denied citizenship?

    asked by Raquel
  137. trig

    I don't understand how to do this type of question? If 9cos^2 theta +3cos theta=0, where 90 degrees

    asked by Sandy
  138. Pre-Cal

    1) Solve the equation exactly for x: log3 x - log3(x-3) = 2 I got 1 as an answer. Is this correct? 2) Find the cotangent of the base angle of an isosceles right triangle. sqrt3 / 2. Is this correct?

    asked by Abbey
  139. trig 30

    For csc^2 A-1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin

    asked by Tye
  140. Math

    Solve the proportion x-4/9=x/18

    asked by Joey
  141. geography

    What was the Nationalists' attitude toward reform in China? They wanted foreign powers to retain spheres of influence in China. They disliked foreign interference but were influenced by Western ideas. They advocated a working-class revolution to defeat the

    asked by EMH
  142. Math(Please help)

    1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?

    asked by Hannah
  143. 6th grade

    in this sentence - Grandma has just made chocolate chip cookies, what part of speech is the word "just"??

    asked by Lucy
  144. physics

    Determine how much water would be present in a 10 tonne sample of lignite, has a moisture content of 65%, before crushing and drying. 10 tonnes is 10,000 kg.

    asked by sasha
  145. chemistry

    Fe2O3 + 3CO --> 2Fe + 3CO2 a 16.2 L sample of CO at 1.5 atm and 200 C is combind with 15.39 g Fe2O3. how many moles of CO are available for the reaction? what is the limiting reacta? How many moles of Fe are formed?

    asked by hilde
  146. Biology

    Need help with these--- 14. Which of the following is present in an insect but not in arachnids? a. mandibles b. compound eyes c. jointed appendages d. segmentation 16. The exoskeleton of an insect a. does not have any muscles attached to it b. is moved by

    asked by mysterychicken
  147. ReAdInG sTraTEGieS

    what is characterization based on? Please define these preffixes and suffixes: pre,re,com,non,ish,ward,less,ment,en,ize

    asked by nO oNe
  148. psychology

    Bob Hotchkins is in the 28 percent tax bracket.A tax-exempt employee benefit with a value of 500 would have a tax-equivalent value of: a) $694 b) $528 c) $500 d) $360 IS C CORRECT ANSWER?THANK YOU:)))

    asked by vedrana
  149. visual

    I have to do a poster board filled with stuff that represents thanksgiving. I'm all out of ideas. What else could i possibly put on there?

    asked by Anonymous
  150. college

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

    asked by Ed
  151. phi 105

    Write a 200- to 300-word critique of the article who_ is Holy? _As it relates to religious philosophy. Answer the following questions: oDo you believe a person's religious views should affect their treatment of others? Explain your answer.

    asked by trudy
  152. college

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

    asked by Ed
  153. english

    Can you writeacher please tell whether or not the following sentences are all possible?As they are not dictionary definitions, I just like to know if they are grammatically correct. 1) An external narrator stands outside the story/is a voice outside the

    asked by Franco
  154. Math

    Is there a difference between solving a system of equations by the algebraic method and the graphical method? Why or why not?

    asked by Craig
  155. 9th grade

    the debate club needs $240.00 to attend a debate tournament. the club decides to sell iced tea and lemonade at baseball games. iced tea will be sold for $.50 per cup and lemonade will be sold for $.80 per cup. write the equation to find how many cups of

    asked by silvia
  156. physics

    A 770 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the

    asked by Kelsey
  157. Math 30 Trig

    For the equation 4 cos theta - sqrt12 =0, where 0< theta < or equal 2pi determine the measure of theta. One answer I got was 2pi/3, 4pi/3 and another time it totally different 5 pi/6, 7pi/6. Are either of these right if not HELP!

    asked by Rae
  158. ALGEBRA

    If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

    asked by GGIFT
  159. Math(Please help)

    1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?

    asked by Hannah
  160. algebra

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

    asked by Ed
  161. geography

    Which of the following statements regarding European colonization of Southeast Asia is not correct? The Europeans cared little about existing ethnic boundaries and drew up boundaries for their own profit. Boundaries created by the European colonists

    asked by EMH
  162. chemistry

    in a vessel, 0.6 mol Ba(NO3)2 and .3 mol H3PO4 are combined w deionized water to a final vol of 2 L. 3Ba(NO3)2 + 2H3PO4 --> Ba3(PO4)2 + 6HNO3 1. Calclate mass of Ba(PO4)2 formed 2. calcualate pH of HN03 3. What the concentation in mol/L of the nitrate ion

    asked by im stressed!
  163. Physical Science

    A 9-Volt battery is used to charge a 280 mF capacitor over a 81 Ohms resistance. How long will it take for the capacitor to reach 75% of its maximum charge? What formula is relevant?

    asked by Stephanie
  164. algebra

    there are 9 subjects, how many schedules of 5 classes are possible?

    asked by diane
  165. Physics

    Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00

    asked by Kelsey
  166. science

    the first manned rocket was built in what state

    asked by terry morgan
  167. english

    Has any one of you ever been criticized at a point in your life? If you have then how has it felt? Do you take criticism to be your weakness or strength.

    asked by Angel
  168. English

    I forgot to include the following statements I need to prepare for tomorrow. Thank you very much for your last corrections writeacher! 1)An omniscient narrator has an unlimited point of view OR He tells the story from an unlimited point of view. An

    asked by Franco
  169. geography

    Which of the following statements regarding European colonization of Southeast Asia is not correct? The Europeans cared little about existing ethnic boundaries and drew up boundaries for their own profit. Boundaries created by the European colonists

    asked by EMH
  170. computer science

    write a program that calculates a customer's monthly bill. it should input customer name, which package the customer has purchased, and how many hours were used. it should then create a bill that includes the input informtion and the total amount due. the

    asked by jay
  171. physics

    how to see if the barber has cut your hair properly at the back?

    asked by joshua
  172. Managerial Finance

    Jefferson Products, Inc., is considering purchasing a new automatic press break, which costs $300,000 including installation and shipping. The machine is expected to generate net cash inflows of $80,000 per year for 10 years. At the end of 10 years, the

    asked by Gary
  173. physics

    Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string. (one mass is on the incline, the other is hanging from the pullye) The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between

    asked by Kelsey
  174. Math 6th

    Why do eskimos wash their clothes out tide? (can only be 10 letters)

    asked by Fiona
  175. Chemistry

    I've got the specific heat of a metal for three trials. t1= .186 j/gdegrees C t2= .178 j/gdegrees C t3=.128j/gdegrees C the mean of the specific heat is .164 j/gdegrees C we're supposed to find which metal it is from a "CRC" handbook. I've tried and can't

    asked by Abdullah
  176. Intro to algebra

    2 + 5(x - 9) = -18 what does X equal?

    asked by samantha
  177. pre algebra

    Solve the equation 0.1 / 48 = x / 960

    asked by Sydnee
  178. computer science

    write a program that asks for the starting time and minutes of the call, and displays the charges. the program should ask for the time to be entered as a floating-point number in the form HH.MM. for example, 07:00 hours will be entered as 07.00, and 16:28

    asked by josh
  179. Calculus

    Find constants a,b and c such that the graph of f(x)=x^3+ax^2+bx+c will increase to the point (-3,18), decrease to the point (1,-14) and then continue increasing.

    asked by Sarah
  180. chemistry

    in an experiment a sample of hydrocarbon was analyzed. The sample contained6 g of carbon and 1.344 g Hydrogen. a) whats the empirical formula? the density of hydrocarbon at 25 C and 1.09 atm is 1.96 g/L b.) whats the molar mass of the hydrocarbon? c) whats

    asked by hilde
  181. Math116

    Solve by elimination 5r-3s=13 3r+5s=69

    asked by Rissa
  182. 2nd grade

    2nd grade math measurement

    asked by alexis
  183. chemistry

    liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in

    asked by hilde
  184. Travel and Tourism

    I have to do an assignment for Daytona Beach and I just mentioned why one would want to visit the city. Now, my teacher said, "You may also include other information on the economy." Should I mention Daytona's economy and if so, I would like to know what

    asked by AL 87
  185. algebra

    (3xa)/6=2

    asked by Anonymous
  186. Physics

    A skier of mass 76 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 40 m up a 30° slope (assumed frictionless) at a constant speed of 2.5 m/s? J I know that the answer to the first problem is 14896Joules, but I do

    asked by Kelsey
  187. Math - Calculus

    Show that the equation log y = 1.54 - .008x - .658 log x is equivalent to y = 34.7 (1.0186)^(-x) * x^(-.658)

    asked by Alex
  188. rotations

    If the coefficient of static friction between tires and pavement is 0.7, calculate the minimum torque that must be applied to the 63-cm-diameter tire of a 925-kg automobile in order to "lay rubber" (make the sheels spin, slipping as the car accelerates).

    asked by Anonymous
  189. algebra

    The speed of train A is 6 mph slower than the speed of train B. Train A travels 230 miles in the same time it takes train B to travel 260 miles. Find the speed of each train?

    asked by kathy
  190. algebra

    The OfficeJet printer can copy Maria's dissertation in 18 min. The LaserJet printer can copy the same documents in 14 min. If the two machines work together, how long would they take to copy the dissertation?

    asked by kathy
  191. computer science

    a bank charges $10 per month plus the following check fees for a commercial checking account: $.10 each for fewer than 20 checks $.08 each for 20-39 checks $.06 each for 40-59 checks &.04 each for 60 or more checks write a program that asks for the number

    asked by josh
  192. algebra

    Find all numbers for which the rational expression is undifined 8/8y+7

    asked by kathy
  193. Works Cited

    I copied a photo off a website, but it has no author. Should I mention the site only for my Works Cited page?

    asked by AL 87
  194. physics

    A sample of anthracite has a moisture content of 5% when mined and an energy density of 35 kJg-1 when completely dried. Assuming that during combustion, the temperature of the water in the un-dried coal is raised from 20.0oC to 100.oC, and then vaporized

    asked by k
  195. science

    what would happen if there were no decomposers in an ecosystem?

    asked by priscilla Perez
  196. Literacy

    provide examples of successful practices of pnonics for English Language Learners and building language development toward fluency

    asked by Anonymous
  197. english

    I need to write a sentence using the words: fingernails,trees, when,fill,for,homework.The words HAVE to stay in th same order,and you can't change thier tenses. Also a sentence with these words in this order:Laughed,teeth,fighting,to, still,not,

    asked by amy
  198. Algebra 2

    2e^x - 3 =1 I got x= .6931 is this right?

    asked by Ana
  199. Math

    Ted put several different integers in order from least to greatest. He then put the same integers in order from greatest to least. Both times the same n umber was third in order.

    asked by Riley
  200. rotations

    A force FT is applied to a cord wrapped around a pulley with moment of inertia I = 0.435 kg·m2 and radius R0 = 33.0 cm. (See the figure.) There is a frictional torque τfr at the axle of 1.10 m·N. Suppose the force FT is given by the relation FT = 4.00t

    asked by Anonymous
  201. Chemistry/Physics

    "Colbalt-60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602*10^-19 J). What is the frequency (in Hz) and

    asked by Stuck
  202. calculus

    Find the direction of A= I did arctan (12/-5) and added 180 because x was negative and got 105.13 degrees. I missed the question on the test though. What did I do wrong?

    asked by Jake
  203. math

    A graphics designer wants to use a star-shaped polygon with 10 points and a point angle of 12 degrees. What should be the dent angle of this polygon?

    asked by meghan
  204. chemistry

    Identify the quantity that is calculated y dividing the molar mass of an element by Avogadro's number. I don't get this question..?

    asked by Astrid
  205. math

    Give the dimensions of a picture frame that is a golden rectangle.

    asked by meghan
  206. math

    solve 2/3 + 4/6

    asked by destiny
  207. Math

    Three questions, what is -7 3/10 - -4 4/5? -1 5/9 x -2 1/7? -12 divided by 1/3? How do you solve them?

    asked by Scottland
  208. Science (Ecology)

    I need to search for an organization that works toward Water Development, other than World Water. I have to include what it does, countries of operation and funding

    asked by ...
  209. statistics

    if the mean of a set of data is 23.00, and 12.60 has a z-score of -1.30, then what is the standard deviation?

    asked by Anonymous
  210. Math 30

    If cos theta = -sin theta,then sin^2 theta is what?

    asked by Juliet
  211. classroom instruction

    different approaches you may use for teaching controversial versus noncontroversial subjects. Identify the subjects and provide a specific example of each type of instruction.

    asked by scooby
  212. trig 30

    If cos^2 theta -6 sin 2 theta =0, one value of theta is a)0 degrees b) 90 degrees c)180 degrees or D)255 degrees. Please show me how to do it and not just give answer cause I have two more questions that are similar. Thanks so much.

    asked by Ray
  213. Math

    If I have ((square root of 13)+(6))^2 would it be factored as -((square root of 13)+(6))((square root of 13)-(6)) or -((square root of 13)+(6))((square root of 13)+(6)) ?

    asked by Karissa
  214. child care management

    One reason early childhood education centers have become increasingly important providers of health education is that A.schools are more sanitary than 70percent of home environments. B. younger, healthier teachers and classroom aides have emereged. c.

    asked by Barb
  215. french

    How do you differentiate the prepositions for bodies of water. I know seas are feminine and oceans are masculine, but what prepostions do you use?

    asked by sidhant
  216. Chemistry

    In stoichiometry, chemists are mainly concerned with a. types of bonds found in compounds b. energy changes occuring in chemical reactions c. mass relationships in chemical reactions d. speed with which chemical reactions occur i thought c?

    asked by Ana
  217. Algebra

    There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?

    asked by in need of help
  218. Chemistry

    How many grams of iron ion are in 11 grams of K3Fe(C2O4)3?

    asked by Tiffany
  219. Chemistry

    How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the Limiting Reagent?

    asked by Fred
  220. Chemistry

    How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the Limiting Reagent?

    asked by Fred
  221. Physical Science

    Two parallel transmission wires are laid between electrical towers. The distance between towers is 200 m, while the separation between the parallel wires is only 2.5 m. If the wires carry each a current of 1000 A, the magnitude of the force between the

    asked by Stephanie
  222. math 116

    After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example.

    asked by earl
  223. math

    point c (2,1) is the midpoint of line segment ab. Find the coordinates of points a and b if they are both on axes. explain and justify your reasoning

    asked by john
  224. Chemistry

    Suppose you want a mixture that contains 2.5 grams of iron ion and three times as many moles of oxalate ion as moles of iron. If the iron comes from iron(iii)chloride and the oxalate ion from K2C2O4, how many grams of each of the compounds should you

    asked by Tiffany
  225. topic

    Help!!! what is the purpose of cultural celebrations? why do people bring thier cultuarl celbrations and festivals to new countries?

    asked by Aime
  226. math

    The volume of a rectangular prism is 2x^3+5x^2+x-2. The height of the prism is 2x-1, and the length of the prism is x+2. Find the width of the prism.

    asked by kev
  227. math 156

    Describe two different ways that you could represent the number 0.80.

    asked by monica
  228. 12th grade math

    What is the distance between the origin and the point (5, 12)? If necessary, round your answer to two decimal places.

    asked by shelby
  229. classroom instruction

    Teachers do need to establish ground rules about discussion: students should learn to listen politely to each other, and to agree to differ on occasion. Teachers can model calm and polite behavior, without giving in to irrationality. It is important to

    asked by scooby
  230. chemistry

    Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by allie
  231. Physics

    Find the orbital speed of an ice cube in the rings of Saturn, if the mass of Saturn is 5.67 × 1026 kg and the rings have an average radius of 100,000 km.

    asked by ne
  232. Writing

    Okay, I'm back. :) This is long, sorry! Here is the prompt: Explore the role of women in Archaic Greek society as presented in the literature examined in class. **You might consider how women were viewed relative to men, how they interacted with men, how

    asked by Claire
  233. Pre-Cal

    1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?

    asked by Hannah
  234. Chem

    How would increasing the volume of the reaction vessel affect these equilibria. You don't have to tell me the answers, but can you please explain to me how I get the answer. a) NH4Cl(solid) NH3(gas) + HCL(gas) b) N2(gas) + O2(gas) 2NO(gas)

    asked by Sammy
  235. chemistry

    What volume of 0.123 M K3PO4 is required to react with 60 mL of 0.862 M MgCl2 according to the equation 2K3PO4+3MgCl2--> Mg3(PO4)2+6KCl Answer in units of mL.

    asked by Steven