Questions Asked on
October 27, 2009

  1. math

    8 basketball players are selected to play in a special game.the players will be selected from a list of 27 players .if the players are selected randomly ,whats the probability that the 8 tallest players will be selected.

    asked by rency
  2. college

    if u pick a card random from a well shuffled deck ,what is the probability you get a face card or a spade.

    asked by rency
  3. math

    12 wrestlers compete in a competition .if each wrestler wrestles one match each with each other wrestler ,what are the total numbers of matches.

    asked by rency
  4. chemistry

    Give the symbol of the element of lowest atomic number whose ground state has: a) Four f electrons b) a completed d subshell c) six s electrons I don't understand ground state electrons at all? Could you explain them in addition to explaining the questions

    asked by Meg
  5. chemistry 101

    Calculate (delta) H rxn for 2NOCl(g)---- N2(g) + O2(g) + Cl(g) given the following set of reactions: 1/2N2(g) + 1/2O2(g)-----NO(g) delta H =90.3kJ NO(g) + 1/2Cl2(g)----NOCl(g) delta H = -38.6 kJ

    asked by Kaylyn
  6. 9th grade

    Monologue of Mary Malony in the storie "the lamb of the slaughter"?

    asked by Ashik
  7. operating system

    Top part is a chart job 1 (10k) 20K 30k 50k jOB 2 (15k) 65k 75k jOB 3 (45K) 120K 200K jOB 4 ARRIVES REQUESTING A BLOCK OF 100k? A. CAN JOB 4 BE ACCOMMODATED WHY OR WHY NOT B. IF RELOCATION IS USED WHAT ARE THE CONTENTS OF THE RELOCATION REQISTERS FOR JOB 1

    asked by Ryan
  8. math

    there are 6 members on a board of directors .if they must elect a chairperson ,a secretary ,and a treasurer,how many different slates of candidates are possible.

    asked by rency
  9. statistics

    you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both cards are black .express your answer as a simplified fraction.

    asked by rency
  10. Physics

    An airplane pilot tries to fly directly east with a velocity of 800.0 km/h. If wind comes from the southwest at 80.0 km/h, what is the relative velocity of the airplane to the surface of Earth?

    asked by Amber
  11. Misc

    I need to know: is it written nonrenewable or non-renewable? Thanks -MC

    asked by mysterychicken
  12. math

    a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9)

    asked by rency
  13. Physics

    For a winter fair, some students decide to build 30.0- kg wooden pull-carts on sled skids. If two 90.0- kg passengers get in, how much force will the puller have to exert to move the pull-cart? The coefficent of maximum static friction between the cart and

    asked by Tony
  14. math

    a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are randomly selected find the probability that all of them are acceptable

    asked by rency
  15. Word Problem

    Consider the box-and-whisker graphs shown. They suggest that a U.S. Department of Agriculture study shows that poultry dogs have fewer calories per dog than either beef dogs or meat dogs. Yet, one dietitian 150% of the calories of some hot dogs made of

    asked by Anonymous
  16. physics

    a certain type of propeller blade can be modeled as a thin uniform bar 2.5 m long and of mass 24 kg that is free to rotate about a frictionless axle perpendicular to the bar at its midpoint. if a technician strikes this blade witha mallet 1.15 m fromthe

    asked by Anonymous
  17. math

    a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9) 5/52 is that correct?

    asked by rency
  18. MATH

    Factor 1. 6y + 18y2 2. 5a2 - 25 a3 3. 3m - 9m2 + 15m3 4. 12k2 - 48k4 - 18k6

    asked by bev
  19. Physics

    A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31 rpm is reached, at which point the coin slides off. What is

    asked by Anonymous
  20. PHYSICS

    No glass is perfectly transparent. Mainly because of reflections, about 90% of light passes through an average sheet of clear windowpane. The 10% loss is not noticed with a single sheet, but with several sheets it is apparent. How much light is transmitted

    asked by TITA
  21. English

    My teacher says to take booknotes on To Kill a Mockingbird but I don't know what booknotes are?

    asked by Kelsey
  22. Chemistry

    Based on pressure values for each component of the reaction, what is the value of the reaction quotient, Q? Equation: C2H2 + 2 H2 -> C2H6 C2H2 has a pressure of 5.05 atm H2 has a pressure of 4.35 atm C2H6 has a pressure of 0.0225 atm

    asked by Anonymous
  23. statistics

    a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are randomly selected find the probability that all of them are acceptable.

    asked by rency
  24. math

    Dan and Jana were assigned by their teacher to complete a chemical reaction 4 times in the last 12 minutes of lab time. What is the longest time that each reaction will take if the teacher gave them enough time? a.8 seconds b.3 minutes c.8 minutes d.3

    asked by uzair
  25. Business

    Have written codes of unethical conduct become less important today because of presence of so many self-managing work teams?

    asked by Chris
  26. chemistry

    this is for a lab - determining the chemical formula of a hydrate. suppose the hydrate was heated too quickly and some of it was lost of spattered out of the container. explain how hthis would effect a) the calculated percent by mass of water in the

    asked by denise
  27. algebra

    1/3 (2w-6)= -10 subtract 2w from each side 1/3(2w-2w-6)= -10-2w 1/3-6 = -8w add 6 to each side 1/3-6+6=-8w+6 1/3=-2w bobprusly what do i do from here am i correct so far???

    asked by bev
  28. algebra

    Factor a)6y+18y2 b)3m - 9m2 + 15m3 c)12k2 - 48k4 - 18k6

    asked by bev
  29. math

    write each decimal as a percent and as a fraction in the lowest terms

    asked by joseph
  30. Algebra

    Simplify in terms of i. √-121 11i?

    asked by Anonymous
  31. algebra

    Find the root (solve) of each equation. a)1/3 (2w-6)=-10 b)3a-7/4=4a+5/3 c)3k/2-k+3/3=8-k+2/4

    asked by bev
  32. math

    An unprepared student makes random guesses for the ten true or false questions on a quiz.find the probablity that there is at least one correct answer.

    asked by rency
  33. chemistry

    calculate the mass of oxalic acid dihydrate C2H2O4.2H2O required to react with 30 ml of 0.20 M sodium hydroxide solution?

    asked by lou
  34. math

    you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both cards are black .express your answer as a simplified fraction.

    asked by rency
  35. Physics

    Suppose a traffic light weighing 1.00*10^2 N hangs from a vertical cable tied to two other cables that are fastened to a supposrt. The tensions T1 and T2 are both 80N. Find the new angles with respect to the horizontal axis.

    asked by Anonymous
  36. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan
  37. chem

    Why do we have to remove air bubbles in a chemical reaction?

    asked by sue
  38. criminal justice

    what guidelines are less important to a business document but more important to an academic

    asked by karen
  39. Revised

    Fid the root of each question 1. 1/3 (2w-6) = -10 2. 3a-7/4 = 4a+5/3 3. 3k/2 - k+3/3 = 8- k+2/4

    asked by bev
  40. Math

    For a set of scores, will the interquartile range always be less than the range? Explain your answer with an example. I know the range runs from the lowest to the highest score. What would be a good example to show this?

    asked by Anonymous
  41. chemistry

    According to the Bohr model of the hydrogen atom, how is hydrogen's bright line spectrum produced?

    asked by ryan
  42. Word Problem.

    Describe the misuse or misinterpretation of statistics that may be involved: Over 60% of the people who fly to Normal, Illinois, do so on American Airlines. Hence, most people prefer American to any other airline. I would think the statistic of 60% and it

    asked by Anonymous
  43. Physics

    A jet catapult on an aircraft carrier accelerates a 200kg plane uniformly from rest to a launch speed of 320km/h in 2.0s. What is the magnitude of the net force on the plane?

    asked by Glenn
  44. history

    why does the majority part have an advantage over the minority party under the committee system?

    asked by kim
  45. physical science

    What is the change in thermal energy of water in a pond with a mass of 1,000kg and a specific heat of 4,184j(kgdegreesc) if the water cools by 1 degree c

    asked by zack
  46. Algebra

    Total age of 3 sisters is 39 Dina is 1/2 as old as Michelle and 3 years younger than Juliettte. How old are the sisters ?

    asked by bev
  47. science

    hurricanes in the northern hemisphere always travel north while hurricanes in the southern hemisphere always travel south. This is due to the earths _______ and is called the ________ ________. can you help me fill in the blanks

    asked by amanda
  48. Calculus

    F(x) = x^3 / (x-16) is concave up and down on what intervals? I got the derivative to be f' = (x^4 - 48) / (x^2-16)^2 and I found the local min and max but now I need to find where it concaves up and down.

    asked by Z32
  49. finance

    solve for x 10000 = 2500(1.0425)^3 + X(1.0425)^2 + 3500(1.0425)^

    asked by Lance
  50. Algebra

    Find the period of a pendulum that is 3 meters long if the period, T, of a pendulum in seconds can be found using the formula T = 2pi(square root L/9.8 find it for 2.5 meters as well. Would love to see the work, not just the answer. thank you.

    asked by Cassie
  51. Environmental Science

    If you were an environmental researcher and were given funding to assist with one environmental issue, which of the following topics would you choose to spend your funds on? • Energy Conservation What influenced your choice? What would the ultimate goal

    asked by Kat
  52. physics

    How long would it take for the Earth to complete a full turn if a person at 27° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,379 km for the radius of Earth. Help me please!

    asked by sadia
  53. calculus

    T^(1/3)=e^(r/10)m^(3/2) If the mass and radius are given as m= 2 mg and r= 5mm, and the rates of change of the temperature and radius are given as 3 deg/sec and 1 mm/sec, what is the rate of change of mass (m)?

    asked by drew
  54. physics

    A race car can be slowed with a constant acceleration of -14 m/s2. (a) If the car is going 44 m/s, how many meters will it travel before it stops? (b) How many meters will it take to stop a car going twice as fast?

    asked by Sasha
  55. Creative Writing

    i'm so stuck on this assignment. i don't get it at all. : 1. Using the categories you created earlier for ice cream and toppings, write an informal classification/division essay or poem. don't forget to include a theme and maintain a consistent tone for

    asked by y912f
  56. Differentiate

    Can someone please differentiate y = sin x / x for me? What I did was put (sin x)(x)^-1 and used the product rule... So for me it was (sin x)[-1(x)^-2] + [(x)^-1(cos x)] Now as I'm looking at a similar homework problem I think my method may be wrong... If

    asked by Kay
  57. ct.

    Can someone please check my answers and tell me if I have matched these (5 ) fallacy statements correctly . 1. It takes someone with a really big heart to give to our charity , and you seem like someone who cares more than most . (apple polishing fallacy)

    asked by lovely
  58. Social Studies! UGH@

    What Is a good website for social studies??

    asked by Thomas Roy
  59. Technology

    i'm not really sure about this answer, because i didn't find it in my book. i think i'm correct. please check: 10. A wrench uses the principle of a(n)__________ in its operation. a. lever b. inclined plane c. pulley d. wheel and axle B?

    asked by y912f
  60. physics

    A 12 V battery will increase the potential energy of 2.1 C of charge by how many joules?

    asked by Alyson
  61. physics

    A 0.87 kg block is shot horizontally from a spring, as in the example above, and travels 0.497 m up a long a frictionless ramp before coming to rest and sliding back down. If the ramp makes an angle of 45.0° with respect to the horizontal, and the spring

    asked by Anonymous
  62. physics

    A _____________ volt battery will increase the potential energy of 0.005 coulombs of charge by 29.5 joules.

    asked by Alyson
  63. Physics

    In a physics experiment with an inclined air track, what do you predict about the following: a) Position graph b) Velocity c) Acceleration My ans: For a i predicted there would be a curve and i didn't know why b) velocity will decrease with time but why?

    asked by Nikita
  64. physics

    A 1.5 volt battery will increase the potential energy of ________________ coulombs of charge by 0.18 joules.

    asked by Alyson
  65. almerican history

    What 1764 act prohibited the colonies from printing their own money?

    asked by emily
  66. Biology

    What is an example of inductive reasoning and deductive reasoning pertaining to health care

    asked by Tiny
  67. physics

    What is the force between two balloons with negative charge of 2.3 x 10^-12 C if the balloons are 46 cm apart?

    asked by Alyson
  68. physics

    An electrical device with a resistance of 323.0 k(omega sign) will allow a current of 21.0 A to flow through it if a voltage drop of _______________ Volts is impressed across the device.

    asked by Alyson
  69. Algebra

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Determine the total payout if the book sells * 200

    asked by bev
  70. physics

    When a voltage of 120 V is impressed across an electric heater, a current of 0.22 A will flow through the heater if the resistance is ____________ Omega.

    asked by Alyson
  71. physics

    A flashlight that is powered by 12 Volts and uses a bulb with a resistance of 90 Omega will have a current _________________ Amps.

    asked by Alyson
  72. English

    Looking for interesting volunteer work? How about taking children at an orphanage? Children are wating for yor help. You can be their friend! Where: at Chicago Orphanage When: every Sunday Tel 051-123-4567 (Are the poster for volunteers grammatical? Would

    asked by Tom
  73. chemistry

    please assist me with this themochemistry question Given the following data CaCO3 (s)>>>>>>CaO (s) + CO2(g) (g) Delta H = -178.1 kj C (s) + O2>>>>>>CO2 (g) Delta H = -393.5 kj Calculate enthalpy in kj of the following reaction CaCO3 (s)>>>>>>>>>CaO (s) + C

    asked by Yevette
  74. English

    Looking for interesting volunteer work? How about cleaning at a city hall. People of the city hall needs your help. You can be very useful there! Where: Washington City Hall When: every Friday Tel 011-123-4567 (Are the poster for volunteers grammatical?

    asked by Tom
  75. physics

    A light bulb with resistance of _____________ Omega draws 900 mA from a 110 V household circuit.

    asked by Alyson
  76. physics

    What happens when you walk across a carpet and receive a shock when you touch a metal object.

    asked by Alyson
  77. Japanese

    How would I say my younger twin sister's name is Rachel in Japanese? Is it "Futago no imooto no namae wa Rachel desu"? And when I am saying there are so many people in my family, do I include myself in that count?

    asked by Stephanie
  78. algebra

    can anyone tell me a few site good for algebra 1a?

    asked by N~
  79. Physics

    A solid sphere starts from rest at the upper end of the track and rolls without slipping until it rolls off the right-hand end. If H=12.0 m and h=6.0 m and the track is horizontal at the right-hand end, how far horizontally from point A does the sphere

    asked by Rayshawn
  80. economics

    if demand=500-p and supply=300+p what is equlibrium price/quantity if there is a quota restricting more than 50 units to be sold?

    asked by nia
  81. economics

    a new iphone is released which has 32gb memory as opposed to the old one which had 16gb. If the price of both models are the same what would happen to the market of the old model? What would happen if the new one was more expensive?

    asked by marcus
  82. economics

    if utility=a-b where a and b are 2 goods what does this tell you about the two goods?

    asked by marcus
  83. Business

    Whether or not the leader has done the right thing is based on the perception by a consensus of reasonable people is true?

    asked by Jaison
  84. Math

    Steves mom age is 7 years less than 3 times steves age. The sum of their ages is 65 years. Find their ages.

    asked by Marla
  85. history

    What is the difference between a special session and a regular session in Congress?

    asked by kim
  86. business

    Is Job Seeker's Ethical Audit used to verify the type of ethical reputation the job seeker has developed?

    asked by Anonymous
  87. Environmental science

    Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the

    asked by Easha
  88. Grammar

    Identify the noun, verb,and adverb in the following sentence. The cows entered the barn mooing noisily.

    asked by Billy
  89. economics

    how would an increase in football player salaries affect the supply curve for tickets?

    asked by tony
  90. 2nd grade

    My child is learning about intervals and I am clueless! His question is Christine found 23 on the 200 chart. She said 23 is in the interval 20-29. Name 3 other intervals 23 is in?

    asked by BJ
  91. science

    Mitosis: Number of chromosomes in cells production Meiosis: Number of chromosomes in cells production.

    asked by alice
  92. calculus (related rates)

    A particle moves in the plane along the curve y=xln(x). At what rate is the distance from the origin increasing at the moment its x-coordinate is 2 cm and its x-coordinate is increasing at a rate of 17 cm/sec?

    asked by drew
  93. math

    What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

    asked by tye
  94. French HELP

    Writing:Write a letter to Mme Guen't,the medical advice columnist for a Fr. newspaper. Tell her about an ailment you have, explaining each symptom. Tell her what you're doing to get better. Ask her if you must call a doctor. Ask Mme Guerit what you have to

    asked by Anna
  95. ENVIRONMENTAL SCIENCE ( math/science)

    Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the

    asked by i need help! PLEASE!
  96. To SraJMcGin

    Sra I answered all your questions, now I need your help.

    asked by Anna
  97. Grammar

    If "noisily" is an adverb in the following sentence, what is "mooing"? The cows entered the barn mooing noisily.

    asked by Billy
  98. biology

    substances that can pass through cell membranes by diffusion include?

    asked by taylor
  99. history

    another question what would happen if both houses of Congress are controlled by the same political party

    asked by kim
  100. ct.

    MS. Sue , Thank for your response. Can you once more check to see if I have matched these (7) fallacy statements correctly . 1 . I don't care if she is the top psychiatrist in the state ! Her theory on sibling rivalry is extreme. How can we believe

    asked by lovely
  101. History

    Which political faction would Obama have fallen under: Federalist or Jeffersonian?

    asked by Lauren
  102. French

    Could you please check these thanks. Directions: Rewrite the sentecnes in the passé composé. Part I 1. Je vais à l'école. Answer: Je suis allée à l'école. 2. J'arrive à huit heures. Answer: Je suis allée à huit heures. 3. J'arrive avec mes

    asked by Maria
  103. physical science

    What is the force between two balloons with negative charge of 2.3 x 10^-12 C if the balloons are 46 cm apart?

    asked by Alyson
  104. Calculus (trig stuff)

    given a angle how do I find it's point P on the unit circle?

    asked by Calculus (trig stuff)
  105. algebra

    Expand. a) 3(y-7) b)-4k(2k+6) c)4b(b2-2b+5)

    asked by bev
  106. Math

    My english teacher gave us 8 possible essay questions that might show up on are exam. She said she will put three of those essays on the test for us to do. She said that we could figure out the ones that she was going to put on there. If there is 8

    asked by Unknown
  107. economics

    how would an increase in sport players wages shift the supply curve for sporting event tickets and what would be the subsequent effect on equilibirum price/quantity of tickets

    asked by tony
  108. Geography

    What is the weight of air called?

    asked by Emily
  109. college

    what causes denaturation in proteins distinquish between permanently and temporarily denatured proteins

    asked by Tiny
  110. Algebra

    Simplify in terms of i. 1/4 √-24 Solution: 1/2i√6 ?

    asked by Anonymous
  111. math

    Given f(x)=x^2, describe (in words) the transformation on f that would produce g(x)=-2(x+4)^2-7?

    asked by Katie
  112. lanugage

    write each noun in each sentence. tell wether each noun is a common or plural noun. 1. He is a gives lessons to young children. 2. Ryan will learn to swim this summer. 3. He kicks his feet in the water. 4. Some teens are lifeguards at Central Pool.

    asked by qt is cutie
  113. chem HELP PLEASE its physics side of chem

    given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with,

    asked by poppy
  114. 5th grade

    what is the algebraic expression for 200 less than 3?

    asked by michael
  115. math

    g + 11= 16 - 2

    asked by fubu
  116. Algebra

    Simplify in terms of i. -8√-25 + 2√-225 Solution: -10i ?

    asked by Anonymous
  117. Music

    I have to find the birthdate for James Swearingen for my music homework and I can't find it anywhere on the internet. Anyone know the answers?

    asked by austin
  118. social

    the first alphabet was developed by

    asked by hadji
  119. 2nd grade

    It is greater than 43 and less than 52.If you add the digits,the sum is 8. What is the answer

    asked by Anonymous
  120. History

    Why is studying the history of Western ideas helpful for understanding your ideal of social (and/or, political) and aesthetic developments today?

    asked by Stacey
  121. physics/chem

    given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with,

    asked by poppy
  122. French Study Guide

    I have a French Test tommorrow, so I would like all your help to get me ready for it. If someone could write a little quiz for me, I would be really grateful. This is an outline for it. A)Vocabulary: Based on each illustration, write a complete sentence

    asked by Anna
  123. algebra

    7.3xgreater than or less than -87.6

    asked by dan
  124. math

    i am a number between 7 000 000 and 8 000 000 all my digits are odd all the digits in my thousands period are the same all the digits in my units period are the same the sum of my digits is 31 what number am i ?

    asked by jeff
  125. algebra

    Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6

    asked by Jarod
  126. 6th grade

    how do you get the answer 105 by putting parentheses in this equation 9+8x7-6x5+4x3+2

    asked by Anonymous
  127. Histor

    What were low points in King Henry VIII's reign?

    asked by Megan
  128. I need help

    Is there any French worker available to help me. I just came back from studying.

    asked by Anna
  129. chemistry

    what is the molar volume measured at stp of 16 grams of oxygen

    asked by Anonymous
  130. the distributive property

    how would do do 6 X 19

    asked by stephen
  131. Geography

    Is the European Union a federation, a confederation, or something else?

    asked by Callie
  132. microbio

    how large are bacteria? what are the requirements for autoclaving bacteria

    asked by lyne
  133. Geography

    What are 3 major criteria that countries must meet before they can join the European Union?

    asked by Callie
  134. 2nd grade

    It is greater than 30 and less than 40.If you add the digits,the sum is 10

    asked by Anonymous
  135. question/projects

    what are some good sub- topic/ topic/question and obesity in America?

    asked by tommy
  136. physics

    Highway safety engineers build soft barriers such as the one shown in Figure 3-21, so that cars hitting them will slow down at a safe rate. A person wearing a safety belt can withstand an acceleration of -3.0 102 m/s2. How thick should barriers be to

    asked by Sasha
  137. AP 9th grade-Philosophy

    In order to prove this thesis by the Greek Thales, "All substances can be reduced to water." what would i have to do?! im clueless...

    asked by Jordan
  138. Geography

    What are 3 main "institutions" of the European Union?

    asked by Callie
  139. Managerial Accounting

    Please give an example of how you would use each of the financial reports (income statements, balance sheets, CVP income statements, statement of cash flows, and retained earnings statements) in order to make a business decision.

    asked by Stacy
  140. Honors Chemistry

    what happens when the change of energy is negative?.

    asked by Destini
  141. math

    Use indirect proof with algebr What is one way you could determine if a point lies on the perpendicular bisector of a segment?

    asked by jen
  142. math

    Use indirect proof with geometry What is one way you could determine if a point lies on the perpendicular bisector of a segment?

    asked by jen
  143. SCIENCE

    IN ORDER TO MAKE EXPERIMENTS MORE ACCURATE WE TAKE MEASURMENTS'COMPLETE THE TABLE BELOW USING YOU'R KNOWLEGE OF SCIENTIFIC INTSTREMENTS ' MESERMENTS AND UNIT'S

    asked by JOHN
  144. math213

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by brina
  145. algebra

    Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6

    asked by Jarod
  146. social studies

    general lee go on the offensive against the north?

    asked by kail
  147. math

    two 6 sided dice are rolled.what is the probability the sum of the 2 numbers on the dice will be 4 Is 1/3 right?

    asked by rency
  148. Business

    Accounting transactions from source documents are recorded in a a. ledger b. cash flow statement c. journal d. profit and loss statement

    asked by jenny
  149. english

    in this sentence is on a verb (new sleds raced on the hill.)

    asked by ej
  150. science 8th

    give an example of a chemical formula.

    asked by dan
  151. pre-algebra

    x/-2.5

    asked by dan
  152. spelling

    a word for a person who helps people that starts with a

    asked by desead
  153. physics

    What is the terminal speed for an 81.0 kg skier going down a 41.0degree snow-covered slope on wooden skis mu_k= 0.060? Assume that the skier is 1.60 m tall and 0.500 m wide.

    asked by sam
  154. pre algebra

    w+9/14 greather than or equal to 5/14

    asked by dan
  155. Business

    Which one provide the necessary information to determine the liquidity of a company? a. Government agency b. Stockholders c. Contract negotiations d. Financial statements

    asked by jenny
  156. pre-algebra

    mr conner's students made kites in science class. he brought a 500-yd bolt of twine to tie to the kites. if he wants to give each student a piece of twine 331/3 yards long. what is the maximum number of pieces of twine mr. conner will be able to make from

    asked by dan
  157. 12th Grade Math

    How do you graph f(x)= ((x+5)(x-4)^(2))/((x-2)(x^(4))

    asked by plato
  158. Business

    If a friend would ask you why the price of bananna's is higher during certain times of the year. Using what you have learned about the laws of of supply and demand, explain to a friend how the market affects the price.

    asked by Ms. Lisa
  159. Bioanalytical Chemistry

    Enzyme X is immobilized to a support and is used to separate substrate Y from a mixture of other compounds. In a separate experiment the rate constant for the dissociation of substrate Y from enzyme X was determined to be 1.3 x 10-5 s-1. Suggest mobile

    asked by Michael
  160. english

    What is the main theme and plot of the book "Cockroach" by Rawi Hage? Any good rhetorical devices that are in the book?

    asked by plato
  161. spelling

    a second grade word that starts with A that means a person who helps people

    asked by desead
  162. eng

    i want few lines or any site for my question "how education help to succeed in life" pls help

    asked by hlp
  163. Bioanalytical Chemistry

    Compare and contrast Ion-exchange Chromatography and Immobilized-metal Affinity Chromatography by considering the following: separation mechanism, effect of ionic strength, effect of pH, groups bound to stationary phase, and elution solutions.

    asked by Michael
  164. Bioanalytical Chemistry

    A mixture of proteins is analyzed by Western blotting. Two proteins with molecular weights of 45,000 Da and 75,000 Da are stained after using monoclonal antibody A. When the same experiment is performed with a different monoclonal antibody (B), the same

    asked by Michael
  165. writing

    please someone help with me personal narrtive.i'm on my second pargrah.my first pargraph was about waking up me getting up.I have an idea i,m going to write it about me going on the airplane and me going on the ship

    asked by alyssa
  166. Bioanalytical Chemistry

    Two proteins are separated by capillary electrophoresis. The two proteins have the following physical characteristics: Protein A: net charge = +6; MW = 64,500; partial specific volume = 0.700 cm3 / g Protein B: net charge = +3; MW = 35,000; partial

    asked by Michael
  167. math

    so the prob of drawn an ace or spade is 4/52

    asked by rency
  168. Bioanalytical Chemistry

    Considering size-exclusion chromatography, ion-exchange chromatography, reversed-phase liquid chromatography, and capillary electrophoresis list the possible combinations (there are a total of 6) of techniques that could be coupled to give a 2-dimensional

    asked by Michael
  169. Business

    Which of the following is true concerning the preparation of financial statements? a. The cost of goods sold is added to sales b.The cost of goods sold is deducted from sales c. The tax and interest are deducted before income profit is reported d. The

    asked by jenny
  170. math213

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by brina
  171. Pre-Algebra

    Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is

    asked by Dean
  172. chm

    gunpowder is a mixture of potassium nitrate , sulfur and carbon in th proportion (by mass) of 6:1:1 (KNO3;S:C). A typical riflr shell contains 3.2 gunpowder. How many moles of each compnent are there in our sample gunpowder?

    asked by Brittany
  173. Political Science-PLEASE HELP

    What are the system's greatest strengths and weaknessess? Please help fast.

    asked by Rayna
  174. chmistry

    gunpowder is a mixture of potassium nitrate , sulfur and carbon in th proportion (by mass) of 6:1:1 (KNO3;S:C). A typical riflr shell contains 3.2 gunpowder. How many moles of each compnent are there in our sample gunpowder? KNO3 mole: C: mol S: mol Thank

    asked by Brittany
  175. Math

    Ok, i need to know a equivalent decimal and a percent for the fraction 10/17. Thanks, Destiny

    asked by Destiny
  176. pre algebra

    I have a problem and I would like to know how to work out the problem to get the answer. Write an algebraic expression for each phrase product of m and n -2 What are the steps in working this out?

    asked by Theodore
  177. chemistry

    The dipole moment of HCl is 1.0 D, whuch represents a charge separation of about .17 of an electron charge. If the dipole moment of HBr is .8 D what fraction of a positive charge is found at H nucleus in HBr? Please explain

    asked by Adam
  178. Calculus

    What are the critical points of f(x)= e^x / 3+e^x?

    asked by Z32
  179. calculus

    Differentiate the following function. y = (5 x^2 + 7 x + 6)/sqrt(x)

    asked by Anonymous
  180. early childhood

    The_ curriculum is based on the idea that are active learners who constructs their own knowledgr from maeningful enperiences, and was developed according to the theories of A)sociohistoric;lev vygotsky B)emergent;maria montessori C)direct instruction;B.F.

    asked by fee
  181. english

    Correct each run-on sentence. Combine each pair of sentences into one sentence. You can make compound subjects, compound predicates, or compound sentences. Lee prepared a slide for Ann she observed tiny plants. Can you help me please to get example,

    asked by Urgent, thank you
  182. Physics

    So in an experiment with an inclined air track (with air blower - like ramp of air hockey) and glider, why does the velocity decrease with time? I know that acceleration remains constant because og gravity, but why does velocity decrease? shouldn't it

    asked by Nikita
  183. Business

    The debts of a business are considered a. liabilities b. assets c. equity d. securities

    asked by jenny
  184. math

    suppose a student is taking multiple choice exam,A,B,C,D,E,with only one of the responses correct.describe the complement method for determining the probabilityof getting at least one of the questions correct on 15question exam,

    asked by rency
  185. programming language

    can enyone help me figure this out... Surface to Volume Ratio Write a program to compute surface to volume ratio. We will be given the height, width, and depth of N cuboid, and determine the smallest surface to volume ratio among them. Input The first line

    asked by Ryan
  186. Physics

    A car travels 2.69 km in the x-direction, then turns left 57.5◦ to the original direction and travels an additional distance of 3.95 km. Calculate the x component of the car’s net displacement. Let : d1 = 2.69 km,  = 57.5◦ , and d2 = 3.95 km. Answer

    asked by Letisha
  187. chemistry

    Predict the mass of gold formed when a gold (III) nitrate solution reacts completely with 125 mL of 0.352 mol/L sulfurous acid (aqueous hydrogen sulfite)

    asked by kyle
  188. American Government

    I know it's long but it would be really helpful if someone could read over this. Thank you. (Describe the problems that surfaced under the Articles of Confederation (8-10 problems we discussed in class) soon after the Revolutionary War. Use these problems

    asked by Mike
  189. Business

    Which one reflects the financial position of a company at any given time? a. equity b. statement of cash flows c. balance sheet d. profit and loss statement

    asked by jenny
  190. algebra

    Check whether the ordered pair is a solution to the equation x =3/4; (1/2, 3/4). Please show me step by step how you came up with this answer because I am really confused.

    asked by Joy Chapman
  191. Biology

    Olga Oompah has red hair and marries Oliver Oompah who has blue hair. They have 32 children. What is the color of their children's hair? This has to do with the punnet squares!

    asked by Anonymous
  192. physic

    Hi! I try already but, the answer is wrong could you help me to fix it out. A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. The sledge moves a distance of 20.6 m on

    asked by Chan
  193. Math

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by Terry
  194. English A1 Poem

    All afternoon my brothers and I have worked in the orchard, Digging this hole, laying you into it, carefully packing the soil. Rain blackened the horizon, but cold winds kept it over the Pacific, And the sky above us stayed the dull gray Of an old year

    asked by Mark
  195. Business

    What type of accountant would collect information on a firm's transaction and use the information to prepare financial statements that companies use in decision making? a. Public accountant b. Management accountant c. Not-for-profit accountant d.

    asked by jenny
  196. Algebra

    I need help solving these three problems. 1/4(7 + 3g) + -g/8 Twice the greater of two consecutive odd integers is 13 less than three times the lesser number. Find the integers. About 4.9 million households had one brand of personal computers in 2001. The

    asked by Josie
  197. geometry

    explain why x, 2x, or 3x cant represent the lengths of a side of a triangle

    asked by tyshelle
  198. Business

    Tont has just come into a significant inheritance and decides to invest in stock in a solid, stable company. Which financial ratio is the most helpful in determining where he invests? a. Liquidity ratio b. Profitability ratio c. Leverage ratio d. Activity

    asked by jenny
  199. 5th grade

    What is the main purpose of a flower's Aroma?

    asked by Alicia
  200. biology

    I am trying to find three plants that belong to the same species, with both their common and Latin names.

    asked by chris
  201. Science

    When the insect travels to another flower, it transfers pollen to ________, helping the plant to reproduce.

    asked by Alicia
  202. accounting

    A new company called Bloomner construct, buys and sells furniture. During January the following happens: 1. The owner of the company pays in $50 000 into the cash, as starting capital. 2. The bank grants the company a bank loan of $40 000, the interest is

    asked by Micky
  203. algebra

    Okay so.....I'm really bad at equations and all that and i need help with just these two problems... 1. -x + 7y - x - 6y + 4x 2. -x - 8x + 7 Thanks!..

    asked by bree
  204. Science

    Does anyone know the scientific names for palm leaves or rose leaves? Thanks.

    asked by 1234
  205. social science

    What are some issues that might cause the president to call a joint session of Congress?

    asked by kate
  206. Word Problem

    The following data set gives the difference between the winning and? losing scores in 50 randomly observed high school basketball games: 2, 12, 1, 2, 12, 5, 14, 2, 45, 9, 1, 8, 18, 28, 9, 4, 30, 16, 4, 12, 8, 13, 20, 9, 17, 13, 49, 17, 13, 4, 14, 2, 12,

    asked by Anonymous
  207. physics

    At what rate must a cylindrical spaceshiprotate if occupants are to experience simulated gravity of g/4? Assume the spaceship's diameter is 36 m, and give your answer as the time needed for one revolution.

    asked by Anonymous
  208. math

    how do i change 30.50 in^2 to mm^2 my conversion sheet says its 1 inch =25.4mm

    asked by mohan
  209. Physics

    A child on a merry-go-round is moving with a speed of 1.40 m/s when 1.18 m from the center of the merry-go-round. (a) Calculate the centripetal acceleration of the child. (b) Calculate the net horizontal force exerted on the child (mass = 25.0 kg).

    asked by Anonymous
  210. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan
  211. college Art

    How did Leonardo Vinci viewed drawing as a part of the creative process.

    asked by Emely
  212. business

    Do a group leader in a laboratory has more legitmate power than the director of research and development?

    asked by jaison
  213. Physics - HELP

    A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 m on a frictionless horizontal surface. The cord will break when the tension in it exceeds 61 N. What is the maximum speed the ball can have?

    asked by Anonymous
  214. Business

    Need help with Penn Foster exams number 50084300 and 50084400. Can somebody help me?

    asked by jenny
  215. business

    True or False, the intelligence of directive-style leaders is more closely related to group performance than is the intelligence of nondirective leaders.

    asked by Anonymous
  216. Physics-circular force

    What is the maximum speed with which a 1140 kg car can round a turn of radius 65 m on a flat road if the coefficient of friction between tires and road is 0.80?

    asked by Anonymous
  217. business

    What is a major political mistake to make in the Internet age?

    asked by Mike
  218. algebra

    In algebra does a negative and a negative equal a positive?

    asked by N~
  219. business

    True or False, Whether or not the leader has done the right thing is based on the perception by a consensus of reasonable people.

    asked by Mike
  220. science

    At its highest point, the pendulum is 1.2m above the ground and as a gravitational potential energy of 62J. If the gravitational potential energy is 10J at its lowest point, what is the pendulum's kinectic energy at this point?

    asked by Claudia
  221. Calculus

    At what points on the curve y=(x^2)/(2x+5) is the tangent line horizontal? y'=[(2x)(2x+5)-(2)(x^2)]/(2x+5)^2 =[2x^2+10x]/(2x+5)^2 I plugged 0 into x, and got the coordinates (0,0). How do I get the other pair of coordinates? Thanks in advance.

    asked by sh
  222. Social

    I'm writing a report about music programs being cut in school, do you know any good websites of the history of music education and websites of why music programs are being cut? Thanks!

    asked by Jon
  223. math

    Find the root of each question 1. 1/3 (2w-6)= -10 2. 3a-7 = 4a + 5 4 3 3. 3k - k+3 = 8 - k+2 2 3 4 PLEASE HELP !!!

    asked by bev
  224. algebra

    Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6 algebra - Ms. Sue, Tuesday, October 27, 2009 at 5:44pm 2 * 6 = ? algebra - Jarod, Tuesday, October 27, 2009 at 5:59pm Sorry it is 12 so would I 6x2=12 or

    asked by Jarod
  225. Math

    Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were

    asked by Anonymous
  226. Math

    Explain how you could show five less than a number using an expression?

    asked by Alec
  227. trig

    sin theta/2cos theta/2=1/2 sine theta show the identiy and work

    asked by sean
  228. French Study Guide

    Writing:Write a letter to Mme Guen't,the medical advice columnist for a Fr. newspaper. Tell her about an ailment you have, explaining each symptom. Tell her what you're doing to get better. Ask her if you must call a doctor. Ask Mme Guerit what you have to

    asked by Anna
  229. Biology

    How is it possible for a stem to give rise to roots?

    asked by Adam
  230. ACCOUNTING

    what do you consider might happen if revenue accounts are not closed? Explain why. expense accounts are not closed? Explain why. dividends are not closed? Explain why. --

    asked by Anonymous
  231. 4th grade

    arrary 4 x 36

    asked by jared
  232. Dr.Bob222

    this is all my work so far on the limiting reagent problem I asked about yesterday about Calcium nitrate and ammonium fluoride.... 28.42g/164.1= .17318 mol Ca(NO3)2 29.6g/37.042=.79909 mol (NH4)F (1mol Ca(NO3)2 /.17318) x (2mol (NH4)F/x)=.34636 (2 mol

    asked by Brittany
  233. math

    Take the greatest care with your significant digits. If you don’t, this question is not “do-able”. Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru has a catchment

    asked by mohan
  234. Physics

    Wave interference 1) Is a property of light 2) is a property of all waves. I think the answer is number 1. Is this correct? I have an equation that is 6.63/8.3=0.79. I have to use the correct number of significant digits and units for my answer. Would it

    asked by Hannah
  235. Business

    Is a key part of a company's designation as a "best company to work for" is an evaluation of the company's organizational culture.

    asked by Anonymous
  236. grammar

    comprehension grammar checkpoint for com 150

    asked by Anonymous
  237. Clarify (URGENT)

    Write a paragraph explaining what generalizations you can make about yourself when looking at the things that are most important to you or the things you value? I don't understand what it means. Can someone simplify it for me please? Thanks.

    asked by John
  238. business

    In current times, Europe is growing faster then US economy. How will this effect the supply/demand in the foreign currency exchange rate for dollar/Euro???

    asked by George
  239. Chemistry

    What is the pH of a 1.00 L solution of the following buffer 0.500 M propanoic acid (HC3H5O2 Ka = 1.30 × 10^−5) / 0.800 M sodium propanoate after the addition of 0.700 mol solid NaOH. I tried using the Henderson-Hasselbach equation pH = pKa + log[A-/HA]

    asked by Anonymous