Questions Asked on
October 27, 2008

  1. Chemistry

    While titrating 25.00mL of a weak acid, HA, with 0.1500M NaOH, you reach equivalence point after adding 27.00mL of the NaOH. The pH of the acid initially was 2.48. What is the dissociation constant of the acid?

    asked by Sam
  2. Chemistry: please double check...

    Please double check one last time have to hand it in tomorrow.Thank-You in Advance. This was the lab experiment: ------------------------------------------- A. Standardization of the Sodium Thiosulfate Solution Make up a standard solution of potassium

    asked by Saira
  3. Physics Number 3 (Online w/ no teacher)

    Many people mistakenly believe that the astronauts that orbit the Earth are “above gravity.” Calculate g for space-shuttle territory, 200 kilometers above the Earth’s surface. Earths’ mass is 6 X 10 to the 24th and its radius is 6.38 X 10 to the

    asked by Katie
  4. Microeconomics

    If the wage exceeds the value of the marginal product of labor, then hiring another worker: A. Decreases the firm’s total revenue B. Increases the firm’s profit C. Increases the firms total cost D. All of the above are correct I picked A? As a result

    asked by G
  5. Statistics

    1. In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. Using a value for the population standard deviation of eight minutes, determine: a. How large a sample should be

    asked by JYD
  6. psychology

    what is the production of new brain cells?

    asked by nicole
  7. AP Chem

    I know this might sound easy... but i need these problems for bonus and i want to make sure they are right Silver nitrate reacts with strontium chloride in an aqueous precipitation reaction. What are the formulas of silver nitrate and strontium chloride?

    asked by Anna-Marie
  8. Calculus (Answer Check)

    Are my answers right? If they are wrong you don't have to tell me how to do it its okay =) A particle starts at time t=0 and moves along the x-axis so that its position at any time t(greater or equal to) 0 is given by x(t)=(t-1)^3 (2t-3) 1.find the

    asked by Michelle
  9. SOSE

    how and why was fidel castro a tyrant (short answer)

    asked by Sam
  10. Psychology

    I need to write a paper regarding a social injustice, but I can't think of any good ideas. I was thinking maybe the fact that people today feel like they need to pay reparations to modern Blacks because their ancestors were slaves is a social injustice,

    asked by Jonas
  11. math

    write 109 3/4 as a decimal write 0.3246 as a percent

    asked by Stephaine
  12. Chemistry

    Balancing Equations for Reactions Occurring in Basic Solutions: I have the answer for it and I've gone and redone it twice and I can't match the answer...I was just seeing if anyone could show the steps so that I could see where I messed up...

    asked by Bri
  13. math

    For how many ordered pairs of positive integers (x,y) is 2x+3y

    asked by Lauren
  14. modern studies

    what is the voting system called that elects constiuence msps what is the voting system called that elects regional msps

    asked by lila
  15. math

    Edna and Nancy leave the house of a common friend at the same time and walk for 4 hours. Edna walks due east at the average rate of 4 kilometers per hour and Nancy walks due north at the average rate of 3 kilometers per hour. What is the straight-line

    asked by Sasha
  16. chem

    How much energy is required to ionize a hydrogen atom in its ground (or lowest energy) state? What wavelength of light contains enough energy in a single photon to ionize a hydrogen atom?

    asked by natash
  17. check

    How can a governor's message power affect legislation in a State?my answer is Of course a Governor's msg power affects legislation. A Governor has an enormous amount of power over a state.. .much like a president over the federal government. He or she gets

    asked by Anonymous
  18. math

    write a poem about rhombus

    asked by handrielle
  19. Histories/Social Studies

    What was the dividing line between Former Han and the later Han marked by? ((IN ancient China))

    asked by Kathryn
  20. Math

    Mary has an order to be given Atropine gr. 1/150 sc on call from the O.R. The O.R. has called for Mary, so you need to prepare her injection right away. The label states : Atropine 0.4 mg/ml. How many ml are you to administer?0.35 ml0.5 ml1 ml1.5 ml Maggie

    asked by Jennifer
  21. math

    Two numbers have a sum of 47. Their difference is 5. What are the two numbers?

    asked by Michele
  22. chemistry

    is this the right anser? for this problem please let me know thanks calculate the amount of heat in kilojoules released when 50 grams of steam at 125 C are converted to 50 grams of ice at -125 C so 50 grams of H2O Ti= 124 C Tf= -125 C q=? J=? q=m *Cp * At

    asked by Joshua
  23. math

    I have fewer ones than tens. The value of my tens is 30. What 2 numbers can I be?

    asked by mac
  24. Chemistry

    Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 C are convert to 50 grams of ice at 125 C please help

    asked by Joshua
  25. Physics (Online w/ no teacher)

    Find the change in the force of gravity between two planets when the distance between them is decreased by a factor of 5.

    asked by Katie
  26. physics

    A race car, starting from rest, travels around a circular turn of radius 29.3 m. At a certain instant, the car is still accelerating, and its angular speed is 0.621 rad/s. At this time, the total acceleration (centripetal plus tangential) makes an angle of

    asked by kyle
  27. Math

    Describe some practical applications for fractions in your daily life. What are the challenges you have experienced regarding the use of fractions? Explain your answers.

    asked by Carla
  28. science

    Working on animal cells. Have to label what make up an animal cell in order 1-8 of the following; nucleus, cell membrane, vacuole, cytoplasm, mitochondria, goligi body, endoplasmic reticulum, ribosome??? Not sure where to start. Can not open the last

    asked by anthony
  29. math

    in the examples of a computerized drilling machine that were presented in your reading material, downward movement of the drill bit toward the metal plate was in the A positive direction of the x-axis B negative direction of the x-axis C negative direction

    asked by zaira
  30. social studies

    name the candidates for city council in HRM ( those from Eastern Passage )include telling about two things each candidate wants.

    asked by Heather
  31. Math check

    express using radical notation: (6ab)^4/3 This is what I have so far this be ^3sqrt6ab

    asked by Chris
  32. MATH

    For the graph of f(x) = e^(-2x + 1) - 1, where does the graph crosses the x-axis? is it (1/2,0)?

    asked by Crystal
  33. math

    which of the following of a circle is always smaller than the other two? A the circumference B the diameter C the radius D it depends on the size of the circle

    asked by zaira
  34. Math

    sqrt(x^5 y^2)+ sqrt(9xy^2) How would I simplify this?

    asked by Chris
  35. 4th grade-English

    Could someone tell me if his and their is a common noun?

    asked by Hayley Mallard
  36. math

    Complete the statement. 12 L = ________ qt A) 1.14 B) 11.4 C) 1.272 D) 12.72

    asked by La Vonna
  37. Math

    Complete the statement, using a metric unit of weight. A television weighs 30______.

    asked by Mark
  38. Math check

    (^5 sqrt symbol a^6)/(^4 sqrt symbol a^3) Is the answer 20sqrt symbol a^9

    asked by Chris
  39. Math

    (3+sqrt x)(4- 3sqrt x) is the answer 12- 5x sqrt

    asked by Chris
  40. Grammar

    the directions are"Write 3 adverbs to describe each verb noted. Do not use a word more than once." the words are run,dance,tripped,fly,play,jump,read, sing,growl,laugh,write,and eat.What are the answers?

    asked by chelsea
  41. Math

    I have 4 pieces of equipment that need to run one after the other. Two of them have to run at a maximum of 20 minutes each and be off a total of 90 minutes each. One of the remaining 2 peieces has to run at 15 minutes. No determined minutes off. How do I

    asked by Virginia
  42. 5th grade math

    big al has a set ofnon-metic wrenches that has these numbers 7/16,1/4,9/16,3/8,5/16,1/2 which is the largest? which is the smallest?

    asked by logan
  43. Social Studies: EGYPT

    what was the substance that was used to stuff the nostrils during the mummification process

    asked by kelly
  44. Math check

    (3+sqrt x)(4- 3sqrt x) is the answer 12- 5sqrtx-3x?

    asked by Chris
  45. Math

    Divide and simplify to the form a+bi. (-8+i)/(2-3i)

    asked by Chris
  46. math

    The numerator of a fractionis 5 less than twice the denominator. If the numerator is decreased by 1 and the denominator is increased by 3, the value of the new fraction is 5/4. Find the original fraction.

    asked by amir
  47. metaphor

    i was wondering if anyone can tell me if this is a correct metaphor MY LIFE IS A DREAM My life is a dream, like a tiger waking up from her deep sleep. My life is like a dream, it's all up to me, the trees are purple, the stars talk away the night, the

    asked by Alie
  48. chemistry

    for K3PO4 is it potassium phophate or tripotassium phosphate? or both? confuse which one we use more often?

    asked by Joshua
  49. Math

    Simplify: 9 sqrt5 -3 sqrt5

    asked by Chris
  50. MGT help

    Set achievable goals for your work unit. I wrote this so far: If I were going to set achievable goals they would be Give an example of how this benefit has been successful (or unsuccessful) in your experience in the workplace, in school, or in your

    asked by dawn
  51. math

    How to make up a data set of at least 12 numbers that have that have the following landmarks maximum.:18 mode:7 range:13 median:12

    asked by Gio
  52. grade seven

    A scale on a map is 1cm to 250km. What does this mean?

    asked by amanda
  53. Math

    When Tammy was 4, the ratio of Tammy's age to fer father's age was 1:7. What will the ratio of their ages be when Tammy's father is 48. If so what would it be in simplest form.

    asked by amanda
  54. Math

    5k^2u^2 3z^2 ________ + ____ 12b^2d^2 4bk^3 How would I solve this?

    asked by Nadine
  55. Math

    Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31)

    asked by Chris
  56. Math check

    Divide and simplify to the form a+bi. (-8+i)/(2-3i) Is the answer (23/13)+(43/13)i

    asked by Chris
  57. science--plants

    does anyone know where i can find a concept map of the transportation of fluids(in a plant)

    asked by martha
  58. SCi3NC3

    An object is raised ad the allowed to fall. As it hits the gorund it stops and produces a sound. May u tell me al of the enegrgys that are occuring??

    asked by DE3StiNY
  59. math

    Simplify. 10 lb 30 oz

    asked by Mark
  60. ENGLiSH 12TH

    May someone please help me with a sentence with the word askance. I know the meaning which is "with a sidewise glance; with suspicion or disapproval" but I just can't seem to come up with a sentence. Thanks for your help

    asked by SENiOR '09
  61. Math

    Simplify ^3 sqrt symbol 4x ^3 sqrt symbol 6y Would I combine the 4x and the 6y?

    asked by Shawn
  62. Chemistry

    I am stuck in this problem I need to calculate the molality first so I could find T but I don't know which one is the solvent and which one is the solution the problem is to calculate the freezing point of a solution containing 12.2g of benzoic acid,

    asked by Maria
  63. Chemistry

    Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solve this..or equations? It sounds like there are two parts to the question but I'm not sure. Volts and Joules? 1. Electrons are used to determine the structure

    asked by Anne
  64. Math check

    Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31) would I square both sides and then add and subtract I get 4 is that right?

    asked by Chris
  65. government

    how can a governors message power affect legislation in a state?

    asked by Anonymous
  66. college

    Please help me write a discussion on the 3 market shifts in the fashion industry

    asked by natalie
  67. vocabulary

    what is the meaning of assent?

    asked by isaiah
  68. math

    use only tens to make the number 40 in two parts (5 ways)

    asked by mitch
  69. chem

    The minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164kJ/mol. Calculate the longest wavelenght visible to the human eye

    asked by natash
  70. math

    use only 10s to make the number 40 in two parts (5 ways) 1+3 2+2 3+1 what are the other two?

    asked by mitch
  71. Math problem

    A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places.

    asked by Shawn
  72. chemistry

    i need to know if I am in the right tract please let me know...I am calulating the molality of the following exercise so I could be able to apply the formula T=Kf * molality calculate the freezing point of a solution containin 12.2 grams of benzoic acid,

    asked by Joshua
  73. Elections

    Calculus / Graphical, Numerical, Algebraic: Teacher's Guide with Answers

    asked by elley
  74. teaching

    what is the difference between constructivist and inquiry-based learning?

    asked by sally
  75. Math

    Express in terms of i and simplify: sqrt-54 is the answer -3isqrt6

    asked by Shawn
  76. Science ...Urgent plz

    Describe, compare and contrast INDUCTION and DEDUCTION as methods of science – using examples where appropriate. Identity and solve a problem using both induction and deduction. Where appropriate illustrated why and how one would use experimentation/

    asked by Sheer12
  77. Constitution

    What is the difference between a legislative bond measure, a legislative constitutional amendment, and an initiative constitutional amendment? How many of each are on the ballot?

    asked by dt
  78. 5th grade

    what is the measurement of angles on a regular hexagon

    asked by alex
  79. Math check

    subtract: 3+5i-(-4+6i) is the answer 7-i?

    asked by Shawn
  80. Science

    With reference to the chemical- physical structure of DNA, and the nature and importance of a stable genetic code, describe the major forms of chromosomes mutations; also, describe, using examples: the major categories/types of mutagenic agents and how

    asked by Aisha
  81. Math

    Multiply: sqrt-25 sqrt-100 is it 50?

    asked by Shawn
  82. statistics

    A box of tickets averages out to 75 and the SD is 10. One hundred draws are made at random with replacement from this box. a)Find the chance that the average of the draws will be in the range 65 to 85. b)repeat for the range 74 to 76.

    asked by Amanda
  83. Math

    Multiply Write the answer in the form a+bi. (2-3i)^2 I am coming up with 4-3i what am I doing wrong?

    asked by Shawn
  84. 5th grade

    compare fractions 7/10 5/8 3/7

    asked by linda
  85. american government

    a police officer has arrested a suspect and produced evidence of wrongdoing. list three questions you would ask the officer to determine whether the freedom and security of the suspect have been violated

    asked by kyle
  86. Social Studies

    In what ways has America’s geography helped to bring Americans together? In what ways has it helped to separate Americans?

    asked by Nicole
  87. american government

    how can a governors message power affect legislation in a state

    asked by kyle
  88. 8th grade

    A'B'C' is the image of ABC after a dilitaion. AB=7, AC=10, A'B'=28, and B'C'=24. What is the scale factor of the dilitaion?

    asked by Cortnee
  89. governmnent

    If a proposed amendment violates the Constitution, should the Supreme Court be able to block its ratification?" A. With only one exception, an amendment to the Constitution cannot, by definition, violate the Constitution. Think it through: assume for a

    asked by Anonymous
  90. calculus

    Help - I have three problems that I am stuck on - 1. Lim x approaches infinity (x-3/x squared + 4) 2. Lim x approaches 3 x cubed - x squared - 7 x +3/ x squared - 9 3. Lim x approaches negative infinity (x + square root x squared + 2x)

    asked by Jane
  91. Math

    find the missing numbers and landmarks 18,20,20,24,27,27___,30,33,34,36,36,___ range:22 mode:27 minimum_____ maximum:___ explain how please

    asked by Gio
  92. Math

    Divide and simplify to the form a+bi. (-8+i)/(2-3i)

    asked by Shawn
  93. Math

    Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31)

    asked by Shawn
  94. Math

    Simplify: (4+2i)/2i(4-2i)^-1

    asked by Shawn
  95. 5th grade

    What is 25/125 in simplist form?

    asked by Janice
  96. Math

    Express using radical notation : (6ab)^4/3

    asked by Shawn
  97. MAth

    Express using exponential notation sqrt (6xy)^3

    asked by Shawn
  98. math

    if f(x) = sqrt(9-3x) determine the domain of f

    asked by Shawn
  99. Math

    if f(x)=x^2 find f(2-sqrt6)

    asked by Shawn
  100. 8th grade

    what is your average spped if you ran 50 meters in 10 seconds?

    asked by marissa
  101. Literary Terms

    What is the difference between Juxtaposition and Antithesis?

    asked by Phil
  102. Math

    rationalize the denominator sqrt 5/ (5+sqrt6)

    asked by Shawn
  103. SOP

    how to draft a sample standard operating procedure (SOP) for guard behavior?

    asked by Bridgett
  104. Math

    Solve: x= sqrt(10x-4-2)

    asked by Shawn
  105. medical

    how can eliminating medical abbreviations reduce errors?

    asked by theresa
  106. Chemistry

    What does ammonia have anything to do with bogdan's rocket building? -can't find this anywhere if we had to order ammonia we don't order in pure. it is ordered in clandestine, liquid solution. the ammonia exists in this aq solution in eq. what is the eq

    asked by Xi
  107. adult education

    How do a write this sentence so it is parallel. Every town and city needs more parking space and places where people can recreate, and to have more money from taxes to pay for these things.

    asked by Toni
  108. MAth algebra

    Simplify ^5 sqrt symbol(x^6y^5)/^5 sqrt symbol(x^2 y^2)

    asked by Shawn
  109. Math

    ^4sqrt symbol(x^2 y^3)^3sqrt symbol(xy)

    asked by Shawn
  110. Math

    Simplify: 9 sqrt5 -3 sqrt5

    asked by Shawn
  111. history

    I NEED HELP TRYING TO FIND A CURRENT FOR MY HISTORY CLASS TONIGHT AND I CANT SEEM TO FIND ONE CAN YOU HELP?!

    asked by Heather
  112. social studies

    How did the Pilgrims become friends with the Wampanoag?

    asked by Zane
  113. MAth

    (3+sqrt x)(4- 3 sqrt x)

    asked by Shawn
  114. Spanish

    Please see if this is written correctly. Let me know if I can say certain sentences in shorter phrases or simpler words or both. Michelle Rodriquez es puertorriqueña y dominicana. Ella es famosa por ella las habilidades actuación. Ella es rebelde y de

    asked by Lauren
  115. MAth

    ^5 sqrt symbol a^6/ ^4 sqrt symbol a^3

    asked by Shawn
  116. help me!

    In what ways has America’s geography helped to bring Americans together? In what ways has it helped to separate Americans?

    asked by someone
  117. Math

    sqrt (x^5 y^2) +sqrt(9xy^2)

    asked by Shawn
  118. 3rd Grade Grammar

    In the sentence, "Marcy's brother carries bags of junk to the curb" I need to identify the nouns and whether they are common or proper. Thanks.

    asked by Amy
  119. email help

    Can you access a "yaahoo" account from an alternate computer?

    asked by Anonymous
  120. Chemistry

    What does ammonia have anything to do with bogdan's rocket building? -can't find this anywhere if we had to order ammonia we don't order in pure. it is ordered in clandestine, liquid solution. the ammonia exists in this aq solution in eq. what is the eq

    asked by Xi
  121. math check

    if f(x)=x^2 find f(2-sqrt6) I have the answer as 10-4sqrt6 is that right?

    asked by Shawn
  122. Math

    what is tmprlsamoysemycioielnwd unscrambled? It is supposed to be a sentence.

    asked by Holly
  123. US History your opinion??

    Agree or disagree and why Article One in the US constitution leaves little room for interpretation of the powers of Congress.

    asked by Lynn
  124. English

    In the sentence - Plenty of silicon is found on Earth, but it remains a valuable material for the computer industry. What is the simple subject and predicate?

    asked by Sylvie
  125. Dr. bob please help-chemistry

    we have to do this lab tomorrow. my teacher says that we have to "indirectly measure the radius" of a marble- he will only supply a ruler-plastic and a meter stick-wood what am i supposed to do?

    asked by Lamen
  126. math

    Mr. Samuel has 150 pennies in two jars. There are 40 more pennies in one jar than the other. How many pennies are in each jar?

    asked by Michele
  127. Calculus (Answer Check)

    A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the

    asked by Michelle
  128. Calculus (Answer Check)

    A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the

    asked by Michelle
  129. chemistry

    I know you are unable to draw things on this website, but I am in desperate need for help and was wondering if someone would be able to guide or help me. I need to draw and assign the expected proton NMR spectra for the following compounds and show

    asked by sam
  130. Social Studies

    Find the place. Using the clues below. One of the most tragic (and ironic) political assassinations in the history of a country happened here. Somewhat surprisingly in the overall scheme of things, this significant seat of government has no commercial

    asked by Larry
  131. Chemistry

    The partial pressure of water above a solution of water and a nonvolatile solute at 25oC is 18.6 mm Hg. What is the mole fraction of the solute?

    asked by Jacqueline
  132. Math check

    The problem is solve x= sqrt10x-4-2 So it would be x=sqrt10x-6 right then how would I solve for x

    asked by Shawn
  133. Essay writing

    how do u go about writing essays that are questions like "why do u want to go to this college" or "why did you decide to major in this" or "what is the reason for you application/clariy your interest in this event" help please!!! Thank you!

    asked by Jordaiah
  134. Chemistry

    The boiling point elevation of a solution consisting of 2.92 g of a nonvolatile solute in 82.4 g of benzene is 1.077 oC. What is the molecular weight of the unknown solute?

    asked by Jacqueline
  135. Chemistry

    Which of the following would be the best solvent for NH3 and why? CH3(CH2)4CH3, CCl4, CH3OH, BrCH2CH2CH3.

    asked by Jacqueline
  136. Algebra 1: 8th Grade

    Montreal and Quebec City are about 260km apart along Route 20 in Canada. Sylvia is leaving Montreal to go to Quebec City at a speed of 90km per hour. And Anne is leaving Quebec City to go to Montreal at a speed of 105km per hour. a) When and where do

    asked by Joy
  137. French

    I have to write a short paragraph about where I have already traveled. Can someone check this for me? J’ai déjà allé à d’autres états des Etats-Unis et le Mexique. J’ai allé au Californie, l’Utah, Le Colorado, L’Idaho, et Le Florida. Alors,

    asked by Rachel
  138. History

    Hi, I have an exam and I need to know about the First Red Scare during WWI I need to know the definition, when it happened, where it happened, and why it was important but in full detail Thanks

    asked by Alex
  139. American history

    What did the mayflower compact and the fundamental orders of connecticut have in common?

    asked by Nella
  140. science

    what is pluto called? i think it is a star is that correct. im doingit for extra credit. and why do they call it stars

    asked by neha
  141. Geography

    In what ways has America’s geography helped to bring Americans together? In what ways has it helped to separate Americans?

    asked by someone
  142. physics

    You are hired to check the technical validity of a futuristic space mystery production. The scene takes place during the rst manned trip to Pluto's moon, Charon. Sally Skywalker is outside the spaceship repairing some hardware, when her safety line to the

    asked by Sandhya
  143. Calculus derivatives

    f(a) = a + √a (a) Find the derivative of the function using the definition of derivative.

    asked by Ben
  144. Geography / Social Studies

    how are people in modern american societies ruled by geographic conditions? Consider modes of travel, how food is acquired, and types of houses built

    asked by Anonymous
  145. Math check

    The problem is solve x= sqrt10x-4-2 So it would be x=sqrt10x-6 right I have as x=4 is that right? or is it 2,4

    asked by Shawn
  146. chemistry

    For the reaction shown below complete the following calculations. H2(g) + C2H4(g) --> C2H6(g) (a) Estimate the enthalpy of reaction using the bond energy values in Table 9.4. (b) Calculate the enthalpy of reaction, using standard enthalpies of formation.

    asked by hannah
  147. college,Business(Information Systems Strategy)

    Part 1: Strategy Development Present and explain five key IT/IS initiatives that should form company’s (mobile industry company) 3-5 year IT/IS strategy. You should present this strategy using Earl’s Risk & Return Portfolios taxonomy, then by

    asked by Shalini
  148. Math word problem

    A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places. What formula would I apply to solve this?

    asked by Shawn
  149. acids and alkali

    what acids and alkali are used to make an oven cleaner plz help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    asked by choc chic
  150. physics

    A 1.00 kg hollow ball with a radius of 2.2^10^-1 m, filled with air, is released from rest at the bottom of a 1.50 m deep pool of water. How high above the water does the ball shoot upward if the upward force exerted by the fluid on the ball 40 N? Neglect

    asked by Sandhya
  151. Health

    Please, I just need someone to help me start this and I'll take it from there. I can't seem to come up with any concepts. Thanks. Imagine you are witnessing a senate debate in Washington, D.C., hours before a vote on a comprehensive health care reform

    asked by Thelma
  152. Downloading" repost

    Hi, I need some help downloading two PDF files. They are for volunteer work at Roswell Cancer Institute. I believe there is a brochure and an application form: 19433 Volunteer Application Form - single pages.pdf 68K View as HTML Download Volunteer

    asked by Anonymous
  153. Algebra

    Montreal and Quebec City are about 260km apart along Route 20 in Canada. Sylvia is leaving Montreal to go to Quebec City at a speed of 90km per hour. And Anne is leaving Quebec City to go to Montreal at a speed of 105km per hour. a) When and where do

    asked by Joy
  154. english-character sketch

    how are character sketches supposed to go? i think i am doing this wrong

    asked by june
  155. english

    The survival of polar bears and what is being done to save them???

    asked by Sam
  156. physics

    do u go to gwu?

    asked by rsu
  157. ENGLISH

    what hope is there for the future of the polar bear?

    asked by Sam
  158. math check

    subtract: 3+5i-(-4+6i) is the answer 7-i?

    asked by Shawn
  159. Chemistry

    I'm so confused!!!!!!!!!! I need to write out the equation for the reaction between (+)-tartaric acid and (+_)-1-phenylethylamine. I know tartaric acid is C4H6O6 and 1-phenylethylamie is C8H11N. Where do I go from here?

    asked by Andrew
  160. 7th grade

    can you just give me a math riddle that's understandable to 7 th grade

    asked by whatever
  161. Math check

    express in terms of i and simplify: srqt-54 is it -3isqrt6?

    asked by Shawn
  162. word problem

    A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places. What formula would I apply to solve this?

    asked by Shawn
  163. 6th grade

    WHAT 30 TO THE 2 POWER

    asked by BOUCHET RUN IT
  164. Math check

    multiply: sqrt-25 sqrt-100 is the answer 50?

    asked by Shawn
  165. spellING

    A SMAIL WILD BIRD OF THE PATRIDGE FAMILY

    asked by SASHA
  166. math

    what is equivalent fractions for 6/5?how do you get the answer

    asked by kizzy
  167. English

    You are staning in front of church looking to the right. How do I get to the restaurant? Just go straight. It's past the department store. 1. It's around the corner. 2. Just go straight a little. 3. Just go straight on 1st Street. 3-1. Just go straight on

    asked by John
  168. math

    how many ml should be administered if the dose is 250mg and the label states 500mg per tsp

    asked by jane doe
  169. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at a discount?

    asked by Angel
  170. physics

    Two carts of equal mass, m = 0.280 kg, are placed on a frictionless track that has a light spring of force constant k = 51.9 N/m attached to one end of it. The red cart is given an initial velocity of v0 = 3.50 m/s to the right, and the blue cart is

    asked by Sandhya
  171. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at face value?

    asked by Angel
  172. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at a premium?

    asked by Angel
  173. History-Constitution

    I read the constitution many times, it is hard to understand- how did the constitution address the flaws of the Articles of Convederation? thanks!

    asked by Olivia
  174. math check

    Simplify: sqrt(x^5 y^2)+sqrt(9xy^2) is the answer sqrtx(x^2y+3y)

    asked by Shawn
  175. science

    i need information about the hydrogen molicule

    asked by johnathan
  176. science

    Need to find the sequence of how an animal cell starts. Need the order

    asked by anthony
  177. Calculus

    Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Would this be a good explanation? The process of global

    asked by George
  178. matha

    which of the following is an example of a binomial? A 2y B 2x+y C 2xy D none of the above

    asked by isabel
  179. science

    How should I draw a diagram for this question below? During a hot summer's day, the sea is cooler than the land, so the air above the sea is cooler than the air above the land. Explain, using a labeled diagram, how this leads to a cooling breeze blowing in

    asked by Anonymous
  180. college_ethics applied

    Match the following definitions of happiness to the theory: a. Egoism b. Virtue Ethics c. Natural Law d. Hedonism Happiness is a matter of fulfilling one's purpose in life. Happiness is a matter of immediate gratification, living for one's self in the

    asked by HK
  181. chemistry

    I know you are unable to draw things on this website, but I am in desperate need for help and was wondering if someone would be able to guide or help me. I need to draw and assign the expected proton NMR spectra for the following compounds and show

    asked by sam
  182. english

    show me a letter to an editor of your local newspaper opposing the veiw expressed by one of its journalists that the popular music of your country is full of sound and fury meaning nothing

    asked by tc
  183. Chemistry

    calculate the freezing point of a solution containing 12.2 grams of benzoic acid, dissolved in 250 grams of nitrobenzene. the freezing point of nitrobenzene is 5.7 celsius and its freezing point depression constant is 7.0 celsius/m. please help

    asked by Joshua
  184. Physics (Online w/ no teacher)

    The mass of a certain neutron star is 3.0 X 10 to the 30th (1.5 solar masses) and its radius is 8,000 m (8 km). What is the acceleration of gravity at the surface of this condensed, burned-out star? My answer was 31,265,625 X 10 to the 12th km/s squared.

    asked by Katie
  185. Algebra

    1 adult + 2 kids: admission = 8.75 2 adults + 5 kids: adm = 19.75 I have the answer, just need the formula - I guessed and checked (a lot) and got kids' tickets = 2.25 adults' tickets = 4.25

    asked by Jesse
  186. Algebra

    Swimming space. The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polynomial A(x) that represents the area. Find A(5). I have the polynomial being: A(x)=2x^2+3x If I find A(5): 2*5^2+3*5 2*25+15 65 meters.

    asked by mchawk
  187. MGT

    I am not sure of this but i would like suggestions i need to write 150 word response: Describe an obstacle to working on teams. Explain how the team can overcome that obstacle. also I need the same thing for this one: Address the guideline to promoting

    asked by dawn
  188. Chemistry/please check

    Calculate the amount of heat in kilojoules reased when 50 of steam at 125 C are converted to 50 grams of ice at -125 C. AHsteam = m * Cp steam * At q1= 50g * 4.184 J/g C * (125-100)C= 5.23 x 10^J q2= m * AH 50g * 5230 J/g = 2.61 x 10^5 J q3= 50g *4.184 J/g

    asked by Joshua
  189. Algebra ?

    Selling shirts. If a vendor charges p dollars each for rugby shirts, then he expects to sell 2000 - 100p shirts at a tournament. a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. I came up with the polynomial

    asked by mchawk
  190. science

    Working on animal cells. Have to label what make up an animal cell in order 1-8 of the following; nucleus, cell membrane, vacuole, cytoplasm, mitochondria, goligi body, endoplasmic reticulum, ribosome??? Not sure where to start

    asked by anthony
  191. 5th grade

    what was cattle ranching in the 1800's?

    asked by cole
  192. physics

    density of silver is 10.5 X10^3 kg/m^3. find the volume occupied by 2X10^4 g of silver. calculate the force of gravity acting on the mass.

    asked by Bailey
  193. Science

    Which of these rates of speed is the fastest? 40 km/h 28 mi/h 19 knots/h I believe it is 40 km/h am I correct?

    asked by Samantha
  194. chemistry

    what are the properties affected by intermolecular forces? please help

    asked by Joshua
  195. Calculus

    Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or

    asked by George
  196. MATH

    if line segment AC =120ft and the ratio of line AB:line BC=3:5, what is the length of line AB ? I set up the equation as x:120,3:5 x/120=3/5 3/120=360, 360 divided by 5=72 the answer in the book is 45, need help

    asked by Rose
  197. Spanish

    Hello: Please see if this translation is correct. Make suggestions as necessary or feel free to tell me how to say specific phrases in simpler words. Thanks. Michelle Rodriquez is Puerto Rican and Dominican. She is famous for her acting skills. She is

    asked by Lauren
  198. Agree or disagree with this statement US history

    Agree or disagree and why?-- just taking a poll Article One in the US constitution leaves little room for interpretation of the powers of Congress.

    asked by Lynn
  199. Biology

    When someone starts exercising,how does their heart know that it should beat faster? Which gas is removed from the air you inhale? Which gas is added to the air you exhale?

    asked by Ben Hunt
  200. SCIENCE

    I have a supermarket science project that is due in a couple of days. I have to compare quality and quantity of at least two similar products. I have to use these procedures for a formal lab report. TITLE~ PROBLEM STATEMENT~ HYPOTHESIS~ MATERIALS~ MV~ RV~

    asked by KELSIE
  201. american government

    how can a governors message power affect legislation in a state?

    asked by Anonymous
  202. math

    Is the following set of numbers a perfect triple? 13, 15, 18 Why are they, or why not

    asked by erica
  203. american government

    in what ways does the existence of minor parties also work to strengthen the united states two party system

    asked by Anonymous
  204. Math

    Edward H. White, the first astronaut to spend 20 minutes free-floating in space, had to wear a special suit to protect him from heat, radiation, and particles. the number of layers in his suit is the number that is the only palindrome between 12 and 30.

    asked by Samantha
  205. Math

    Hi, I need a little help with solving this question for c: (2c-1)^3=4c^2-1 I did this already: (2c-1)^3-(4c^2-1)=0 (2c-1)^3-(2c+1)(2c-1)=0 But I need help with the next steps... Thank you!

    asked by Lucy
  206. american government

    if a purposed amendment violates the constitution should the supreme court be able to block its ratification?

    asked by Anonymous
  207. business(Information Systems Strategy)

    Strategy Development Present and explain five key IT/IS initiatives that should form company’s (mobile industry company) 3-5 year IT/IS strategy. You should present this strategy using Earl’s Risk & Return Portfolios taxonomy, then by briefly

    asked by Shalini
  208. american government

    Suppose major officeholders from one particular party are not performing well, and the party is not monitoring these officeholders. in what ways could this situation affect the party as a whole? my answer is If they are honest then help them and most do

    asked by Anonymous
  209. science

    can not get the website to open up

    asked by anthony
  210. Chemistry

    How does H2O effect NaH2PO4 during an acid titration?

    asked by Jessica
  211. 7th grade

    If i buy a lollipop and a pack of gum, the cost will be $1.19. If i buy a lollipop and a peppermint, the cost will be $1.45. If i buy a pack of gum and a peppermint, the cost will be $1.40. What are the individual prices?

    asked by ladylake5
  212. Math

    F(x)=sqrt(9-3x) determine the domain of f How would I break that out to determine f

    asked by Chris
  213. chemistry

    Calculate the enthalpy of the reaction shown below using the following equations. H2(g) + F2(g) 2 HF(g) (a) ΔH° = BE(reactants) - BE(products) (b) ΔH°rxn = nΔH°f(products) - mΔH°f(reactants)

    asked by hannah
  214. Anatomy and Physiology

    What is the primary function of Lymphocyte

    asked by Anonymous
  215. check

    What do you think are some of the reasons why the president was given almost unlimited military powers ? what are some possible positive and negative effects resulting from the scope of the presidents military power? my answerBecause he is the Commander in

    asked by Anonymous
  216. Bio 157

    Be able to tell the ovarian, uterine and hormonal changes which occur during each stage of the menstrual cycle. I am not sure what answer she is looking for. Any Help would be great.

    asked by jennifer
  217. U.S. History

    What organization or group was against WWI and or for propaganda?

    asked by Me
  218. US history

    What were the French motivations to explore the new world?

    asked by mw
  219. criminal justice

    hi, I just need some ideas in how to make a SOP Standard operating procedure for guard behavior in a correctional. I think I will be including things like guard fraternization with prisoners, treatment of prisoners of the opposite sex, acceptance of bribes

    asked by Nicole
  220. Math

    Express using radical notation: sqrt(6ab)^4/3 is the answer ab3sqrt6ab?

    asked by Chris
  221. Math - gr.11

    A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left is 6m, can a truck that is 5m tall and 3.5m wide pass through the tunnel? Can someone please help me with this? and could you show me steps how you got the answer, i

    asked by Mae
  222. math

    The ratio of height of an object in a photograph to the actal height is 1:100. The height of a statue in the photograph is 5cm. How tall is the statue?

    asked by amanda
  223. Math

    Express using radical notation: sqrt(6ab)^4/3

    asked by Chris
  224. social studies

    How do each of the eight strands of social studies tie into the times and life of Christopher Columbus?

    asked by Katherine
  225. Math

    Inequalities:How is 2r + 5 greater than a negative one ?

    asked by Anonymus
  226. chemistry

    what is the balanced formulea equation for water evaporating

    asked by lila
  227. Social Studies

    When did spain come under Muslim rule ?

    asked by Danielle Dupuis
  228. social studies

    Identify two reasons that explain why Britain and France thought that the policy of appeasement was the best solution as a reaction to Hitler's demands.

    asked by Carly
  229. science.. please help!!

    i need to find two articles in anything to do with an ecological concern (ex. pollution as a threat to our ecosystem)... please help me find a site, i can't find any good ones!!

    asked by Allison
  230. 7th grade

    At a certain time of day, a person's shadow is twice her height. What ratio describes this relationship? At this time of day, Gene's shadow measures 320cm. What is his height?

    asked by amanda
  231. math

    when a piece of a circle is determined by two radii, that piece is best called a A sector B circumference C remainder D chord

    asked by zaira
  232. college

    For each set of parameter values: - Calculate the optimal time to extract the resource - How do you find switchpoint/ transition point? - Calculate the Extraction path (Q0, Q1, etc.) - Calculate the MUC in each period - HOW DO U FIND MUC? - Calculate the

    asked by Kimberly
  233. science,technology and the environment

    describe,compare and contrast induction and deduction as methods of science.using examples where appropriate.Identify and solve a problem using both induction and deduction.where appropriate illustrate why and how one would use experimentation and cycle of

    asked by adwoa
  234. math

    find two consecutive even integers such that 5 more than the first is divided by 2 less than the second, the result is 13/12.

    asked by amir
  235. math

    when solving the exponential equation, 2^2x-1=16 what do I do first? do I convert to a log equation?

    asked by Sanya
  236. it 220

    Locate two Websites that you feel exhibit exemplary design features. explain why you selected each site. what design features stand out on each site? Are these features unique to the web sites you selected or are they used by their competitors or similar

    asked by sam
  237. Math

    Express using radical notation: sqrt(6ab)^4/3

    asked by Chris
  238. social studies PLEASE HELP!

    Name the candidates for mayor in canada and one important reason each gives for running.

    asked by Heather