Questions Asked on
November 9, 2010

  1. Chemistry: moles

    How many moles are in 508 g of ethanol?

    asked by Rylee
  2. Chemistry Gd 11

    How many moles of chlorine gas would reacht with 10 moles of sodium to form sodium chloride?

    asked by Tarkan
  3. physics

    a free body diagram of a boy sliding down a hill on a sled

    asked by kayla
  4. Chemistry Gd 11

    How many product can be produced from 37g of sodium ???

    asked by Tarkan
  5. Chemistry Gd 11

    How many molecules of product would be produced from 10g of chlorine gas ??

    asked by Tarkan
  6. Chemistry Gd 11

    If 150g of C8H18 is combusted what mass of water will be produced???

    asked by Tarkan
  7. science

    Spongy bone is full of arches and struts. Why is this so important?

    asked by lilly
  8. french 3

    I understand that l'imparfait occurred habitually in the past, and passé composé happened only once. However I'm not sure how to form this sentence: Some thought his work was grotesque, others thought it was interesting. Certains critiques ont pensé que

    asked by amanda
  9. art

    when was Victorian Bouquet painted by Severin Roesen?

    asked by Lucy
  10. Psyc- Lifespan Development

    Slef esteem in Adolescents *What are theoretical causes of behavior- should include more than one theoretical explaination / discussion *relevance to overal development

    asked by samantha
  11. Chemistry

    A gas mixture with a total pressure of 750 mmHg contains each of the following gases at the indicated partial pressures: , 265 mmHg; Ar 134 mmHg; and ,O2 157 mmHg; The mixture also contains helium gas.

    asked by Lisa
  12. 8th grade

    According to the U.S. Census Bureau in 2009 there were 21,854,374 veterans in the United States. Veterans of the Korean War accounted for 12.4% of that total, while 10.7% were veterans of World War II. What is the positive difference between the numbers of

    asked by help
  13. critical thinking

    Can some please help with these questions. I just want to make sure I am on the right path. 1. Our frame of reference. a. definitely makes us objective and open-minded b. stops us from having obstacles in our approach to reading, c. limits how we view the

    asked by quvell
  14. Science

    What is the force of a 2.0N force and an 3.0N force acting on an object in the same direction?

    asked by ced
  15. physics

    Two large circular metal plates are parallel and nearly touching, only 4.1 mm apart. The two plates are connected to the opposite terminals of a 9 V battery. (a) What is the average electric field strength in the space between the plates? V/m (b) What is

    asked by dede
  16. 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 through a single sheet, but through several sheets it is apparent. How much light is

    asked by Anonymous
  17. 3rd grade

    whats the homonym for the word flower??

    asked by jay
  18. Chemistry

    How many calories would be needed to convert 8.0g of ice at 0C to steam at 100C?

    asked by Amber
  19. accounting

    An employee earns $40 per hour and 1.75 times that rate for all hours in excess of 40 hours per week. Assume that the employee worked 60 hours during the week, and that the gross pay prior to the current week totaled $58,000. Assume further that the social

    asked by Anonymous
  20. chemistry

    Calculate the mass of ethanol required to heat 200mL of water from 21 degrees celcius to 45 degress celcius

    asked by Kate
  21. MECHANICS

    CARS A 7B ARE 60 M APART TRAVELLING RESP AT THE CONST SPEED OF 32 AND 24 KPH ON AN ICE COVERED ROAD .KNOWING THAT 45 SEC AFTER DRIVER APPLIES HIS BRAKES TO AVOID OVERTAKING CARB ,THE 2 CARS COLLIDE DETERMINE UNIFORM DECELLERATION OF CAR A RELATIVE VEL OF

    asked by HARSHITH
  22. English/Writing

    5. Choose one of the topics listed below and write a five-sentence paragraph using chronological order to arrange the details of the paragraph. a. Signing on to my homepage is simple. b. Writing a paper takes patience and time. c. Let me explain how to

    asked by jackie rios
  23. economics (game theory)

    Consider the normal tick tack toe game, but this time you have to AVOID getting 3 in a row in any line. Is there any strategy you can tell me that will make sure the first mover doesnt lose. Thanks

    asked by david
  24. Physics

    A 56kg adult is climbing up a staircase of 67m. By how much would her body temp increase if her lost energy went into increasing her body temperature during this climb (in C)? I calculated the required amount of joules to reach the top to be 37x10^4J but i

    asked by Alona
  25. adult education

    Write two paragraphs explaining the changes that you would make to revise the paper. The minimum word count for these two paragraphs is 400 words.The Dark Knight was the most popular film of 2008. [Stating it was the most popular film of 2008 is a big

    asked by Anonymous
  26. english

    The Dark Knight was the most popular film of 2008. [Stating it was the most popular film of 2008 is a big statement that needs supporting documentation. Also be sure to indent the first line of each paragraph] Unlike most popular summer movies it was also

    asked by Anonymous
  27. English Literature

    Can anyone tell me which Play the Phrase, "Drama Kings and Queens, Unite!" came from ar at least point me in the right direction?

    asked by Samuel
  28. Algebra 2

    solve log2(3x-1)-log2(x-1)=log2(x+1) i have absolutely no idea how to solve this. can anyone help me, please?

    asked by Kelly
  29. Math

    How would you solve: Ln[e^5x/x(x^4+1)] in a form with no logarithms of products, quotients, or powers?

    asked by Anonymous
  30. math

    if im trying to get 1/3 from 190, how would i get the answere by calculator

    asked by josh
  31. english

    She asked me if me and Greg could handle a yard like hers A. Change could to can. B. Change hers to her's C. Change me and Greg to Greg and I. D. Make no change.

    asked by lilly
  32. physics

    A light spring with force constant 3.00 N/m is compressed by 6.00 cm as it is held between a 0.350 kg block on the left and a 0.700 kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them

    asked by natalie
  33. math

    if im trying to get the answer to "what is one third of 190" how would i input it on a calculator

    asked by josh
  34. Math

    how would you simplify log10^x3 ? i tried the examples from the book, but it just confuses me. someone please help.

    asked by Meg
  35. math Dr. R

    ok. "what is 1/3 of $3900" and if i would be using a calculator how would i input it

    asked by josh
  36. math

    A carpenter can make some chairs and stools. All together there are 32 legs. If the carpenter has pieces of wood that can be used to make 9 seats, how many chairs and how many stools can a carpenter make?

    asked by dana
  37. algebra

    show the algebraic inequality The profit for a company is determined by the equation y = 0.02x – 0.30, where y represents the profit and x represents the number of items sold. How many items must be sold so that the profit will be at least $4000?

    asked by franklin
  38. math

    If a projectile is launched from a platform 30 feet high with an initial velocity of 128 feet per second, then the height of the projectile at t seconds is given by s(t) = –16t2 + 128t + 30 feet. (a) At what time does the projectile attain its maximum

    asked by Math is HARD
  39. western experience

    In the nearly fifty years since the end of WWII, the continent of Europe has become more tightly integrated than ever before. What forces have made for this increasing unity, and what are the political landmarks that chart its path?

    asked by Kim
  40. Western Civilization

    In the postwr West, philosophers and intellectuals have challenged many of the assumptions abouth truth, objectivity, science, and progress that have dominated the Western outlook since the Enlightenment. Summarize the arguments and approaces of the most

    asked by Ashley
  41. physics

    a body of mass 20 kg suspended from a rigid support is rotated on a cylinder of d=20cm calculate moment of force above the axis of cylinder

    asked by tasneem
  42. Chemistry

    How many milliliters of a 0.1 M NaOH solution is needed to completely neutralize 1 liter of lemonade containing 25% citric acide

    asked by RS High School
  43. Chemistry

    How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Explain.

    asked by Lawrenceburg High School
  44. college

    what's the relation between these numbers 1,2,4,9,16,25,36,...

    asked by dayo
  45. Math

    The sum of two opposite angles of a parallelogram is 130 degree. Find the measure of each of its angle.

    asked by Tapas
  46. 4th Grade - Science Fair Project

    Which brand of band-aid sticks best? How does Generic vs. Name brand differ in the way the band-aid sticks? Is one better than the other? Is there a site to help me with this Science Fair Project? Can't find one about Band-Aids????

    asked by John
  47. physics help

    A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision

    asked by david
  48. Algebra-Please help me

    Could you please show me how to solvethis: x+6/4x^2 + 3/2x^2 = x + 4/2x^2 Please show me the steps-I don't even know where to start and I have 30 of these for homework Thank you

    asked by Matthew
  49. health care law and ethics

    As the office manager, what are the implications of having a different standard of care for trained medical staff and laypeople? What liability issues exist for the office and how does standard of care affect insurance for the medical office?

    asked by Lida
  50. criyal thinking

    What are some racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics.

    asked by Anonymous
  51. computer science

    how do i write a program in python for an atm machine

    asked by ralph
  52. Chemistry

    40.0 ml of an acetic acid of unknown concentration is titrated with 0.100 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 5.10. What was the concentration of the original acetic acid solution? [Ka(CH3COOH) = 1.8

    asked by Kelly
  53. physics

    A Styrofoam box has a surface area of 0.75 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, and the outside temperature is 24°C. If it takes 7.6 h for 5.0 kg of ice to melt in the container, determine the thermal

    asked by Erica--help!
  54. physics

    An object of mass 4.3 kg is projected into the air at a 45° angle. It hits the ground 3.8 s later. What is its change in momentum while it is in the air? Ignore air resistance.

    asked by tim
  55. physics

    A 0.01-kg baseball traveling in a horizontal direction with a speed of 12 m/!@#$%^&s a bat and is popped straight up with a speed of 15 m/s. (a) What is the change in momentum (magnitude and direction) of the baseball? (b) If the bat was in contact with

    asked by tim
  56. com156

    The Dark Knight was the most popular film of 2008. [Stating it was the most popular film of 2008 is a big statement that needs supporting documentation. Also be sure to indent the first line of each paragraph] Unlike most popular summer movies it was also

    asked by Anonymous
  57. math

    would rounding 255,116 with the first 5 underlined be 260,000?

    asked by m
  58. Sixth grade math

    Simplify 49/7*7+6-3

    asked by Lynn
  59. Psyc- Lifespan Development

    What are theoretical causes of behavior in adolescent self esteem?

    asked by samantha
  60. math

    write as an addition problem (-21)-42 A) (-21)-(-42) B) (-21)+42 c) (-21)+(-42) D) none of the above I thought it would be c. Is this correct?

    asked by m
  61. college

    XYZ's receivables turnover is 10x. The accounts receivable at year-end are $600,000. The average collection period is 36 days. What was the sales figure for the year assuming all sales are on credit?

    asked by Pam
  62. history

    In the 1920s, Babe Ruth was famous because

    asked by sara
  63. Chem

    What happens when a student cup between trials? What effect will the error have on the calculated value of the delta H of neutralization?

    asked by Kai
  64. english

    is it it is true that she is more clever or cleverer

    asked by julie
  65. maths

    An alloy is made by using copper and zinc in the ratio of 17:3 how much zinc is used to make 4kg of the alloy?

    asked by Anonymous
  66. college

    How would you use the concepts from Ch. 8 in a real-life situation? Describe how these concepts might be useful.

    asked by rosa
  67. COM 126

    I am looking for a tutor to help me answer and communicate with the DQ questions for COM 126 Discussion Questions and Replies Weeks 2-7 I am looking for help with week’s 2-7, COM-126 Communication and the Media Discussion Questions and Replies. I will

    asked by nsrmom
  68. Physics

    A space vehicle is traveling at 5260 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 89 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the

    asked by Mike
  69. science

    why is objectivity important to forensic scientists

    asked by amy
  70. math

    find 2 numbers to fit all these rules: to the nearest 10 and 100 ,both round to the same number. 2 the estimated sum is 200 3 the estimated difference is 0.

    asked by moeez
  71. Math

    A tropical water lily doubles in size each week. If it takes 60 weeks for the plant to completely cover a pond, when will half the pond be covered?

    asked by Maya
  72. health

    explain from a physiological standpont how eating disorders may lead to health promblems? provide at least three examples to support your answer? I have the first half of the question figured out the one that asks for three examples to support my answer is

    asked by a
  73. economics

    please i wish to know the relationship between arithmetic progression and geometric progression as related to business studies

    asked by Anonymous
  74. statistics

    Richard has been given a 5-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. The success occurs if

    asked by Anonymous
  75. Spanish 1

    These were tricky for me: 25. Fernando Y Estaban _____ deportes. a. practicar b. practicas c. practican d. practicáis D? 26. Linda ____ estudiamos en casa a. y Alberto b. y tú c. y Ud d. y yo A? 27. -"¿_____estudias?" -"En casa." a. Cómo b. dónde c.

    asked by mysterychicken
  76. English

    “A romance must make the "romantic relationship between the hero and the heroine ... the core of the book."(Berkley Group). “My heart stopped. It just stopped beating. And for the first time in my life, I had that feeling. You know, like the world is

    asked by Rebecca
  77. history

    create a college that shows how ancient greek culture is reflected in modern-day society.

    asked by javier
  78. English

    how do i cite a quote from the internet said by an author on a works cited page?

    asked by Rebecca
  79. college

    · Identify two different points of view for the topic from the list in Appendix B that you have chosen. Choose the point of view you will use in your paper and explain why you have chosen it.

    asked by Angie
  80. math

    An 8 ounce bottle of hairspray costs $3.66. Find the unit price in cents per ounce. would it be 0.4575 or 45.75 cents per ounce?

    asked by m
  81. 6th grade

    what fraction of 1year is march 3km is 900cm,£2.50 IS 30P

    asked by chirag
  82. 6th Grade

    what fraction of a turn does a minute hand turn through between 6:25pm and 7:15pm 10:24pm and 11.58pm

    asked by chirag
  83. Chemistry

    Why does sulfric acid make the electrolysis reaction of H2 and O2 go more rapidly?

    asked by Amanda
  84. graphing

    given order pairs (-4,-2) and (-1,-5), develop an equation in the slope intercept format first solve for the slope (m) then in the equation in the slope intercept format y=mx+b

    asked by Pat
  85. Chemistry

    A voltaic cell is based on the reduction of Ag^+(aq) to Ag(s) and the oxidation of Sn(s) to SN^2+(aq). Write half-reactions for the cell's anode and cathode, and write a balanced cell reaction.

    asked by Amanda
  86. Chemistry

    A piece of cadmium is placed in a solution in which [Cd^2+]=[Sn^2+]=1.00M. Will the following reaction proceed spontaneously? Cd(s)+Sn^2+(aq)-->Cd^2+(aq)+Sn(s)

    asked by Amanda
  87. math

    A loud speaker at a rock concert generates 102 W/m2 at 20m with a frequency of 1 kHz. Assume that the speaker spreads its intensity uniformly in all direction. (a) What is the sound level ( = ?) at 20 m? (b) What is the total acoustic power output of

    asked by nizar
  88. Physics. Please Help!!

    A hot air balloon starts at its launching station and it goes at a horizontal speed of 2.7 m/s and a vertical wind of 1.1 m/s. Once it reaches an altitude of 202 m, it stays at that altitude for 10.3 s, which is when it drops a sandbag. How far will the

    asked by Kourt
  89. Chemistry

    1. Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance. (a) Sodium Chloride, NaCl Na+ + Cl- (b) Hydrogen bromide, HBr (c) Iron (III) sulfate, Fe2(SO4)3 (d) Ethanol, CH3CH2OH (e) Glucose, C6H12O6

    asked by Sara
  90. Algebra 2

    How would you solve 12/1+2e^x=6 ? the e^x confuses me. someone please help.

    asked by Meg
  91. Geometry

    Find the measure of each side of equilateral triagnle RST with RS = 2x + 2, ST = 3x, and TR + 5x -4.

    asked by Nancy
  92. physics

    A car is moving such that its kinetic energy is 2.20×105 J. The car accelerates and the engine does 2.10×105 J of work to accelerate the car. What is the final kinetic energy of the car? Ignore energy lost to friction. (Your answer must be accurate to at

    asked by Anonymous
  93. COLLEGE CHEMISTRY

    Calculate the pH of a 0.052 NH4Cl aqueous solution

    asked by shanice
  94. College Chemistry Help Please!

    what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2 CH3NH2+ H20 CH3NH3+ + OH- Kb= 4.2 x 10 ^-4

    asked by shanice
  95. chem

    in the following total ionic equation, which ions are spectator ions? Cu2+ (aq) + 2NO3-(aq)+2Na+(aq)+S2-(aq)--->CuS(s)+2NO3-(aq)+2Na+(aq)

    asked by julia
  96. college chemistry

    What is the pH of the solution obtained by diluting 500 mL of 0.0200 M NH3 (aq) to 1.000 L ?

    asked by shanice
  97. calculus

    (1 pt) The acceleration due to gravity, g, is given by g = (G*M)/(r^2) where M is the mass of the Earth, r is the distance from the center of the Earth, and G is the uniform gravitational constant. (a) Suppose that we change from our distance from the

    asked by Student42
  98. accounting

    Your department’s account software is extremely outdated and you have included the purchase of new software int his year’s fiscal budget. You have decided it is time to start looking into purchasing your company’s accounting software have chosen

    asked by meka
  99. U.S History

    What where some complex conditions in the south during the recontruction era?

    asked by Attalah:)
  100. English

    Classify as Simple, compound, complex or compound complex. 1)There has been a significant change in public opinion about air pollution since the Donora disaster of 1948. 2)Although public opinion about air pollution has changed, we have only begun the

    asked by Tom Jameson
  101. chem

    suppose you had an unknown solution that contained either dissolved NaOH, NaCl< or NaNO3. you add 4 drops of AgNO3 solution to 4drops of the unknown solution and observed that no solid formed. What can be concluded the unknown solution? why?

    asked by julia
  102. Chemistry 110

    Write the formulas of the principal molecular or ionic species present in an aqueous solution of each substance. (a) Sodium Chloride, NaCl (b) Hydrogen bromide, HBr (c) Iron (III) sulfate, Fe2(SO4)3 (d) Ethanol, CH3CH2OH (e) Glucose, C6H12O6 (f) Ammonium

    asked by kim k
  103. Chemistry 110

    4. The electrical conductivity of deionized water is commonly used as an index of its purity. Explain.

    asked by kim k
  104. Chemistry 110

    3. Suppose that part (II) of the experiment were carried out with aqueous NaOH instead of Ba(OH)2 to form soluble Na2SO4 along with H2O as products. (a) Write the overall balanced equation. (b) Write the net ionic equation. (c) How would the graph of

    asked by kim k
  105. Statistics

    Is this true or false? In an experiment involving matched pairs, a sample of 13 pairs of observations is collected. The degree of freedom for the t statistic is 11.

    asked by rick
  106. Statistics

    Is this true or false? In an experiment involving matched pairs, a sample of 13 pairs of observations is collected. The degree of freedom for the t statistic is 11.

    asked by rick
  107. 4th Grade - Science Fair Project

    Which brand of band-aid sticks best? How does Generic vs. Name brand differ in the way the band-aid sticks? Is one better than the other? Is there a site to help me with this Science Fair Project? Can't find one about Band-Aids????

    asked by John
  108. math

    At Sam's Office Supply, a package of 3 colour inkjet catridges costs $216. At Ink World, the same brand of catridge costs $79 each. How much more does a colur catridge cost at Ink World?

    asked by anonymos
  109. algebra

    A boat traveling on the Snake River travels 24 miles upstream in 3 hours. The return trip takes the boat only 2 hours. Find the rate of the boat in still water.

    asked by Anonymous
  110. English

    how do i cite a quote from the internet said by an author on a works cited page?

    asked by Rebecca
  111. Physics

    (Delete the spaces between the characters for the URL of the question): h t t p : / / g o o . g l / E 9 M X o

    asked by Phillip
  112. Chemistry 110

    Pure water in contact with air has a higher conductivity than the same water that has had nitrogen gas bubbled through it. Why?

    asked by kim k
  113. chem

    AgNO3+NaOH-->AgOH+NaNO3 give me molecular , total ionic and net ionic???"

    asked by julia
  114. english

    The first European novel is generally considered to be _____. Pamela Robinson Crusoe Gulliver's Travels Don Quixote Silas Marner

    asked by danny
  115. math grade 11

    simplify √(x^5y^8) the answer is x^5/2y^4 does it matter if 5/2 is replaced with 2.5? x^2.5y^4 its the same thing right?

    asked by priya
  116. ALGEBRA

    Hello. Three quick questions that I have worked on just need confirmation. 1. I need to find the intercepts and then use them to graph the equation. 2y-6=2x; I have x = 0 for y - intercept; 2y-6=2(0); 2y-6 = 0; 2y = 6; y = 3. I set y at 0 also. 2 (0) - 6 =

    asked by Amy
  117. physics

    A student pulls on a rope attached to a box of books and moves the box down the hall. The student pulls with a force of 182N at an angle of 25° above the horizontal. The box has a mass of 35kg and &mu k between the box and the floor is 0.27. What is the

    asked by CJ12
  118. Grade 11 Math

    solve for the zeroes im not sure if I'm right or not f(x)= 4x^2-2x is the answers x=0 and x= -2

    asked by elian
  119. English

    This paper draws on three criticisms of both the novel and the romantic literature used to conclude that yes, this is a romance novel because the novel consists of a deep, romantic love between the two main characters, a central love story and an

    asked by Rebecca
  120. english

    A novel of manners deals with the customs of a specific social class. true?

    asked by danny
  121. sociology

    How can the three sociological perspectives (e.g., social functionalism, social conflict, and symbolic interaction) be used to conceptually understand multiculturalism?

    asked by Isalee
  122. Spanish 1

    I reallly need help with these, please! 29. ¿____qué hora empieza la clase de ciencias? a. De b. A c. Para d. Pero 30. Tengo _____ cuadernos a. un b. mucho c. veintidós d. una B? Or C..? 31. La clase de ciencias de la salud empieza ____ las dos a. son

    asked by mysterychicken
  123. english

    When the monarchy was restored in England, the theaters were almost immediately closed. False?

    asked by danny
  124. Grade 11 Math

    simplify √(x^5y^8) the answer is x^5/2y^4 does it matter if 5/2 is replaced with 2.5? x^2.5y^4 its the same thing right?

    asked by priya
  125. English

    heres another the last part. Classify as Simple, compound, complex or compound complex. complex-13) The burden of proof should be reversed; that is, no one should be allowed to release any substance into the air until it is proved harmless. compound-14)

    asked by Tom Jameson
  126. science/math

    One multicellular organism is a cube. Each of its sides is 3cm long. Each of its cells is 1cm to the third power.How many cells does it have? If each side doubles in length,how many cells will it then have?

    asked by anna
  127. chemistry

    which of the following sets of quantum numbers (n,l,ml,ms) describes the electron which is most easily removed when a sodium aton is converted to a sodium ion? a)2,1,0,-1/2 b)2,0,0,-1/2 c)3,1,1,+1/2 d)3,2,1,-1/2 e)3,0,0,+1/2 can anyone explain this so I

    asked by lavonne
  128. US History

    what were the bargaining agents, collectively bargaining for, (during the second new deal FDR)? were they bargaining for workers rights like more pay/ less hours? But, then what did the industry leaders gain in return if they gave more pay?

    asked by Amy
  129. chemistry

    The electron configuration of the outermost electrons of the halogen group is: a)ns2np7 b)ns1 c)ns2np5 d)ns2np6(n-1)d7 e)ns2np6

    asked by lavonne
  130. Business Computer Information Systems

    In 3–5 sentences, discuss special considerations for using blogs and wikis in research. I don't understand this question good can you guys please help me understand what i am sopose to do.

    asked by yelena
  131. Statistics

    How do I do this? I am very lost. If you live in California, the decision to buy earthquake insurance is an important one. A survey revealed that only 133 of 337 randomly selected residences in one California county were protected by earthquake insurance.

    asked by monica
  132. 5th grade math

    county festival charges 50.00 to perform, high school gymnastics team performs charging 2.50 per person. 113 people attend. The team owes the 50.00 plus 62.50 for repair to their paralell bars. How much profit does the team make? and it is divided equally

    asked by tryston
  133. physics

    A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high.If the projectile lands on top of the cliff 6.5 s after it is fired, find the initial velocity of the projectile ( (a)magnitude and (b)direction ). Neglect

    asked by bobjahng2
  134. chemistry

    which of the folllowing species is not isoelctric with any of the others? a)V3+ b)Ca2+ c)Ar d)CL- e)S2-

    asked by lavonne
  135. Chemistry

    How much vinegar at 5% acetic acid concentration would be required to neutralize 100mL of 0.01 M NaOH? (Assume a density of vinegar to be 1.01g/mL)

    asked by Angie
  136. algebra

    write the slope-intercept equation for the line that passes through(4,3) and has slope 5/4.

    asked by ann
  137. statistics

    Come up with a unique way to choose random samples from a specific data set, also explain how you will assign each data item and how each item will be selected

    asked by Anita
  138. 5th grade

    when crating an interval for a requncy table-hoe do you determine the interval number-

    asked by omar
  139. Chemistry

    A mixture of hydrogen and oxygen gas has pressure of 1.60 atm. Partial pressure of oxygen is 304 mmHg atm, what is the partial pressure of hydrogen?

    asked by Sandra
  140. chem

    Determine the mass(in grams) of each of the following compounds. a) 0.709 mol magnesium fluoride i got 30.7grams but it was wrong. id appreciate the help! thanks! also if i end up getting the help i have a couple other questions

    asked by hannah
  141. science

    The enthalpy of combustion of methanol is -711 kJ/mole. What mass of methanol must be completely burned in oxygen to produce 71.1 kJ of energy?

    asked by Anonymous
  142. Chemistry

    If 20.0 g of N2 has a volume of 4.00 L and a pressure of 6.0 atm, what is its temperature?

    asked by Sandra
  143. geometry

    how do you find if the perimeter of a triangle EFG is 32, triangle EFG scalene, isosceles, or equilateral?

    asked by Tyaalor
  144. algebra

    Hello. Three quick questions that I have worked on just need confirmation. 1. I need to find the intercepts and then use them to graph the equation. 2y-6=2x; I have x = 0 for y - intercept; 2y-6=2(0); 2y-6 = 0; 2y = 6; y = 3. I set y at 0 also. 2 (0) - 6 =

    asked by Amy
  145. Chemistry

    What mass of phosphine gas yields 3.5x10^-6 moles of PH3

    asked by Cathy
  146. reading

    i need to write synonyms OF BURNING-fire FROSTY-icy SEARCH FOR-find PAY FOR-invite _______________________________________ WRITE ANTONYMS OF RETURN-take HOT-cold FREEZING-bunring ATTICD-basement

    asked by 3 grade
  147. Math

    Marisss completes 4 to 6 jigsaw puzzles a year. Estimate how many years it will take Marissa to complete 20 puzzles.

    asked by Anonymous
  148. Chemistry

    Calculate the density of F2 gas at 27 degree Celsius and 1.00 atm pressure?

    asked by Amber
  149. type keyboard

    I was wondering how you can insert the special symbol meaning section that looks like two letter s's stacked on top of each other. I have never used this character before on a computer, but I could like to know how to do so because I intend on using it for

    asked by pre-law club member
  150. Spanish 1

    35. -"¿_____hablas?" -"Pues, inglés y español." a. Cómo b. Qué c. Dónde d. Quién B? 37. Pues, necesito _____ carpeta para la clase de español. a. un b. dos c. una d. mucha C? 38. -"¿Estudian Uds. para la clase de matemáticas?" -"No, _____ para la

    asked by mysterychicken
  151. space

    A _ has a long life cycle Theme:space and planets

    asked by Megan Sexton
  152. Chemistry

    Dr. Bob get the use PV=nRT just stuck on setting up the problem help!

    asked by Sandra
  153. health

    how are babies made(in depth)

    asked by joshkia
  154. History

    How should I compare the senate and house of representative content and discuss why the thier content differs and why it is similar

    asked by Carnita
  155. Flec

    what is a prime factor? How do I find the prime factor?

    asked by Dan
  156. chem

    How many moles of O are in 13.5 mol Fe(NO3)3? i got 7.32e25 but soon realized that is totally wrong.

    asked by hannah
  157. MATH

    I NEED TO NO HOW TO DETERMINE WHETHER EACH RELATION IS A FUNCTION

    asked by CHARLEY
  158. Physics

    Using newton's law of universal gravitation and the following data calculate the theoretical value of the acceleration due to gravity on mars. Mars Mass= 6.4185x 10^23 kg Radius (equatorial)= 3.3962x 10^6m

    asked by Amy
  159. physics

    problem says that a cannon ball is fired at a 30 degree angle off a 10 meter high wall at 80 m/s. Use work and energy to find it's impact speed. I worked out this out with the equation: (1/2)(mass)(initial velocity)^2 + mgy = (1/2)(mass) (final velocity)^2

    asked by Taylor
  160. chem

    Ka=1.8x10^-5. How do you calculate the value of pKa?

    asked by Vivian
  161. physics

    Winds in a certain city can attain sustained speeds of 45 m/s when the jet stream descends during spring. Approximately what force does a roof with an area of 200 m^2 experience due to the Bernoulli effect, assuming air flow is completely laminar? Density

    asked by Anonymous
  162. math

    what is the greatest number of times you would regroup when multiplying two 2-digit factors?

    asked by aj
  163. College Chemistry

    Stuck on plugging info into formula, please show set up-At 10 degrees C carbon dioide gas has volume of 25.5 mL under pressure of 758 mmHg, what would volume of CO2 be at STP?

    asked by Sandra
  164. CHEMISTRY

    A single drop of water is injected into a balloon at 25C that contains ammonia, at 1 atm. What will happen to the V of the balloon?Assume Henry's constant is ~0.02 atm/M

    asked by Brittney
  165. Calculus

    How would you find the derivative of this implicit function? 1+x=sin(xy^2)

    asked by John
  166. calculus

    Tower 1 is 90 ft high and tower 2 is 40 ft high. The towers are 200 ft apart. A guy wire is to run from point A to the top of each tower. [See a picture of this situation on page 274 of the textbook.] How many feet from tower 1 should point A be so that

    asked by Yu
  167. algebra

    explain how to show five is less than a number using an expression

    asked by paris
  168. English

    10th grade English question: In the sentence: The boys playing football look tired, what would the Participle Modifier, and Object of the participle be? I have been trying to figure it out on my own but I'm not sure if my answers are right. What I came up

    asked by Amy
  169. calc bc

    who do you solve this?/what is this equal to? I don't understand... antiderivative [(ln(2+sin(t))] dt THANK YOU!

    asked by APpreciative student
  170. Chemistry

    What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help

    asked by Ash
  171. Chemistry

    You weigh out 10.000 g of a mixture of NaHCO3 and Na2CO3 and add an excess of HCl. After the reaction is over, you evaporate off the water and collect the solid, which is found to weigh 9.400 g. How many grams of the original mixture were NaHCO3?

    asked by Vova
  172. Chemistry

    You weigh out 10.000 g of a mixture of NaHCO3 and Na2CO3 and add an excess of HCl. After the reaction is over, you evaporate off the water and collect the solid, which is found to weigh 9.400 g. How many grams of the original mixture were NaHCO3?

    asked by Vova
  173. chemistry

    which of the following is not paramagnetic? a)Co3+ b)Se2- c)Gd (element 64) d)Ni e)Gd3+

    asked by lavonne
  174. math

    Please help me do these problems. I don't understand how to do weighted averages. Mrs. Gleason invested a portion of 32000 dollars at 9% interest and the balance at 11% interest. How much did she invest at each rate if her total income from both

    asked by brian
  175. english

    Is the grammar correct? This is an example of imagery because it appeals to the senses of sight and hearing. Also gives the readers (does there need to be an apostrophe in readers) a detailed description of Mrs. Hirsch's son.

    asked by heather
  176. Spanish 1

    Need help answering these two: 34. No está álli. Está _____. a. aquí b. en la octava hora c. al cine d. ahora 36. No tengo un bolígrafo. Tengo ____ lápiz. a. una b. el c. la d. un Thanks! -MC

    asked by mysterychicken
  177. math

    Estimate each quotient. Write the fact you use? 58 divided by 3

    asked by Batul
  178. english

    How/Why is this a metaphor? Once more in her bed beside the warm cocoon of her sister

    asked by heather
  179. Math

    how long does it take for a deposit of $1400 to double at 7% compounded continously it would be awesome if you could also tell me how to do it...

    asked by steven
  180. English

    In the sentence: Joe, injured by the ball, left the game. Would this be right? Participle-Injured, Modifier-Joe, and the Object of the participle-ball

    asked by Amy
  181. physics

    A boulder with a mass of 2,500 kg on a ledge 200 m above the ground falls. If the boulder's mechanical energy is conserved, what is the speed of the boulder just before it hits the ground?

    asked by Adam
  182. similar figures

    The rule (x,3/4y) is applied to a polygon. The given point is on the original polygon. Find the image of the point (6,8)

    asked by Jacob
  183. Physics

    A hot air balloon starts at its launching station and it goes at a horizontal speed of 2.7 m/s and a vertical wind of 1.1 m/s. Once it reaches an altitude of 202 m, it stays at that altitude for 10.3 s, which is when it drops a sandbag. How far will the

    asked by Ashley
  184. math

    Please list the common multiples of 63 and 100.

    asked by Bell
  185. Chemistry

    What is the structure of SN? I thought .:S=N:: or ::S=N:. but both were deemed wrong by the homework software we have... help!

    asked by Matt
  186. history

    How did Americans and Indians react to the Sand creek massacre and the Wounded Knee Massacre?

    asked by cierra
  187. Chemistry

    What are all the resonance Structures of Carbon Tetraoxide?

    asked by Vinny
  188. Science

    The gravitational force of any object near Earth is _____? A unknown B friction C Newton's First Law D 9,8m/s2 When you walk across a bridge, the _____ force of the bridge keeps it from breaking. A gravitational B normal C strong D weak A (n)

    asked by Jacob
  189. Chemstry

    What is the structure of N4O, where the 3 nitrogen bonds have different bond lengths and the N=O bond is a double bond. I just don't get it

    asked by Phil
  190. Literature

    Can anyone point me in the right direction? I need to know which play made the line Drama Kings and Queens unite!. I have tried using several search engines with no avail. Just a hint at the author would be good.

    asked by Samuel
  191. chemistry 110

    Pure water in contact with air has a higher conductivity than the same water that has had nitrogen gas bubbled through it. Why?

    asked by sara
  192. trig. identities

    sin2x+sin2y=2sin(x+y)cos(x-y) Please helpp mee!! thank you sooo much really!!

    asked by Sabrina
  193. economics

    wHAT IS VERTICAL INTERGRATION

    asked by SYLVIA
  194. ECONOMICS

    WHAT IS HORIZONTAL INTERGRATION

    asked by SYLVIA
  195. similiar figures

    the rul (x,3/4y) is applied to a polygon. Is the image similar to the original polygon?

    asked by Jacob
  196. algebra

    Write the slope-intercept equation for the line that passes through(4,3) and has slope 5/4

    asked by franklin
  197. chemistry 110

    Write the overall balanced equation for NaOH to form soluble Na2SO4 along with H2O as products.

    asked by sara
  198. chemistry 110

    Write the net ionic equation for NaOH to form soluble Na2SO4 along with H2O as products.

    asked by Kim K
  199. history

    What did Americanization reveal about white Americans view of Native Americans?

    asked by Ashley
  200. algebra

    if y = x-19, what is the value of x when y=34?

    asked by william
  201. history

    Why was the destruction of the buffalo significant to the lives of Native Americans on the Plain?

    asked by lala
  202. physics

    Mouse steals piece of cheese by rolling across the floor with a force of 5.0 N. With what acceleration does the cheese move? At what speed is the cheese rolling after 10 seconds?

    asked by Abby
  203. physics

    Most sphygmomanometers use mercury. How tall would the manometer tube need to be if it were filled with water instead? It might need to measure a blood pressure as high as 300 mm Hg.

    asked by Jamie
  204. algebra

    .identify what each leters represents

    asked by william
  205. Writeacher

    Writeacher I have to do a paragraph about the poem "Success". This is what I have to do; In paragraph form, explain why you agree or disagree with Emerson's description of the concept of being successful in "success". Ralph Waldo Emerson's poem "Success",

    asked by Angelina
  206. algebra

    .identify what each leters represents. the perimeter of a rectangle is twice its length plus twice its width

    asked by william
  207. Chemistry

    How many liters of CO2 would be produced if 32 grams of CH4 are combined with oxygen?

    asked by Renee
  208. Probabilities

    1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the probability that at least one is red? 2.)a card is drawn from a standard deck of 52 cards. what is the probability that the card

    asked by J
  209. math

    Set up and Label the proportion Answer and round your answer to the nearest whole number. A 6 ft tall tent standing next to a cardboard box casts a 9 ft shadow. If the cardboard box casts a shadow that is 6 ft long then how tall is it?

    asked by Kylie
  210. Probabilities

    1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the probability that at least one is red? 2.)a card is drawn from a standard deck of 52 cards. what is the probability that the card

    asked by J
  211. Biology

    a) How do CO2 and O2 levels in the blood regulate breathing movements? b) Explain how these mechanisms are a good example of homeostasis. Help me please :(

    asked by Leah
  212. math

    The lengths of the sides of a triangle are 4in.,14 in., and 16 in.If the longest side of a similar triangle measures 40 in., what is the length of the shortest side of this new triangle?

    asked by Anonymous
  213. english

    Ethos Writing Assignment: Imagine that you need to convince your audience that you have ethos in order to construct your argument. What qualities or traits do you have that create your ethos? What experiences do you have the give you authority and

    asked by y912f
  214. Chemistry

    Hydrofluoric acid etches glass by reacting with the silica in it according to the following equation. H° = 54.5 kJ and S° = 436.5 J/K Calculate G° at 25°C for this reaction.

    asked by Melissa
  215. Probabilities ~~

    1.) a computer package sale comes with two different choices of printers and four different choices of monitors. if a store wants to display each package combination that is for sale, how many packages must be displayed? make a tree diagram showing the

    asked by Kay
  216. Chemistry

    What is the pH of the solution obtained when 125 mL of 0.614M NaOH is diluted to 16.0 L with water?

    asked by Jenna
  217. Chemistry

    Ethanol burns to produce 1300.0 kJ/mol and has a heat capacity of 65.6 J/mol·K. If Dr. Porter has 1.00 L of liquid ethanol (density = 0.789 g/mL), what is the minimum mass of fuel that should be removed and burned to heat the remaining ethanol from 25 °C

    asked by Melissa
  218. Statistics

    How do you make a tree diagram for this? (and in general) 1) of the voters in a certain city, 40% are republicans and 60% are democrats. among the republicans, 70% are in favor of a particular bond issue whereas 80% of the democrats favor the issue. if a

    asked by Lo
  219. Chemistry 110

    What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help

    asked by Ash
  220. chemistry

    Which halogen can form only one oxidation state other than zero?

    asked by anna
  221. chemistry

    What is the effect of the following on the separation of the mixture(hexane and toluene)? a. A soluble, nonvolatile impurity b. a decrease in barometric pressure c. an increase in barometric pressure d. rapid heating rate separation technique is

    asked by Anonymous
  222. 7th grade

    A force used to lift a 12-kilogram mass to a height of 8 meters in 2 seconds does 1040 joules of work. QUESTIONS: A;How much force is used? B;What power is developed?

    asked by MATHEWS
  223. math

    1234 + 607= 47,019 + 21,598= 405,679 + 319,477= ____________________ 1234 - 607= 47,019 - 21,598= 405,679 - 319,477=

    asked by jojo
  224. Social Studies

    Compare the different diplomacy styles of Presidents roosevelt, Taft and wilson

    asked by Kyler
  225. math

    make a tree diagram for: two methods A and B are available for teaching a certain industrial skill. the failure rate is 20% for A and 10% for B. however, B is more expensive and is therefore only used 30% of the time (A is used the other 70%). A worker is

    asked by Anonymous
  226. geometry/algebra

    I asked this question yesterday, and I'm trying to understand it since I got the wrong answer - please explain: You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if

    asked by Nancy
  227. Social Studies

    How did the Pilgrims become friends with the Wampanoag?

    asked by Kyleigh
  228. algebra 2

    (4tt-att-2bt+5)-(cttt+2tt-6t+3)=ttt-2t+d ; i need to find what a,b,c, and d are. the variables like tt's mean t squared just so u know.

    asked by sydney
  229. Physics please answer the a) for me :(

    Ill do the rest. A ball was thrown up at 25.0 m/s. It was released when it was 2.0 m above the ground. a) For how long did the ball rise? b) at the top of its trajectory, how far above the ground was it? c) what was the ball's speed, direction and height

    asked by Michael
  230. math

    1)3/4+x >1 is it x>1/4 ,x< -1/4? 2)6x+8 > 4 is it x>-2/3 ,x< -3? 3)|x+0.5|=0.25 is it x=-o.25,-0.75 4)|7-x|>2 is it -x>-5 ,-x

    asked by check this please!!! thank you
  231. Math Cal

    Use implicit differentiation to find an equation of the tangent line to the cardioid at the point (0, 0.5). x^2 + y^2 = (2x^2 + 2y^2 - x)^2

    asked by Alex G
  232. math

    how often does a leap year occur? what are al the prime numbers less then 12. what is the eighth multiple of 32? is the last digit of the multiples if 4 odd or even? what are the six factors of 12? what are the factors of 16. two factors of 20 are 1 and

    asked by jojo
  233. statistics

    Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 550 stereos are purchased and 1% are found to be defective. From Company B, 850 stereos are purchased and 6% are found to be defective. Given that

    asked by Marcella
  234. science

    Words to use: Accelerate - Sliding - Brake - Friction - Slipping - Inertia Velocity - Wheel - Strength - Static - Terminal velocity Questions 1. An object will ____?____ when the net force is not zero. 2. ____?____ will never speed up an object. 3. The

    asked by Jacob
  235. general psychology

    What are the three learning theories

    asked by diane
  236. Math

    simplify the expression using the properties of rational exponents 13 to a power of(-5/4)

    asked by Dally
  237. math

    what final scores, between 1 and 30, are not possible for a football team to make?

    asked by rusty
  238. math

    write the sum. show the make-a-ten fact you used. 9 + 7 = ______________ 10 +____________=_______________

    asked by mary
  239. Angular Momentum

    2.0 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 35 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the origin at this moment? kg·m2/s k

    asked by Xavier Hernandez
  240. physics

    Need equation: Mass of 4.24 kg acted on by external force that reduces velocity from 8.5 m/sec to 4.1 m/sec in 3.0 sec. Find magnitude of the retarding force?

    asked by Abby
  241. Spanish 1

    Need help answering these two: 34. No está álli. Está _____. a. aquí b. en la octava hora c. al cine d. ahora 36. No tengo un bolígrafo. Tengo ____ lápiz. a. una b. el c. la d. un Thanks! -MC

    asked by mysterychicken
  242. Derviatives

    Differentiate the function. f(x) = sin(5 ln x)

    asked by Michael
  243. Writeacher-Repost

    Writeacher I have to do a paragraph about the poem "Success". This is what I have to do; In paragraph form, explain why you agree or disagree with Emerson's description of the concept of being successful in "success". I kind of rethought and rewrote my

    asked by Angelina
  244. french

    is this question correct? Tiffany, pense-tu Monica est intelligent?

    asked by raluca
  245. Chemistry

    How many possible values for pair l and m_{l} are there when n_1 = 3? How many possible values for pair l and m_{l} are there when n_2 = 5? Express your answer as an integer. I understand the following solution: "we know that for a particular value of n ,

    asked by Bobby
  246. chemistry, Please help.

    Please tell me where I can find the articles ( free) to represent the Setvens rearrangement and Favorskii rearrangement. I have to have them for presentation but I have not taughed about these reaarangenment yet. I hope somebody on Jiskha will help me to

    asked by bun
  247. cal

    Differentiate the function. f(x) = sin(7 ln x)

    asked by JJ
  248. Chemistry

    How many atoms of carbon are found in 5.94 grams of acetic acid?

    asked by Tom
  249. Science

    What are ten land biomes and animals that live in each one?

    asked by Jan
  250. Physical Science

    What is the Mechanical energy of a 500-kg roller-coaster car moving with a speed of 3 m/s at the top of a hill that is 30 m high?

    asked by Adam
  251. physics

    A bus traveling 85 km/hr is brought to a stop in 135 m. If the mass of the bus is 2250 kg, what was the retarding force provided by the brakes? Formula please

    asked by Bob
  252. English

    (Continuing my older English post) Okay, So I understand what it means now. But I just don't know how to write it out. I've been trying to write this for an hour now. I'm a Muslima, I'm a also a female, I guess those are both tthings I could write. But I

    asked by y912f
  253. chem

    supose 1.25 mol of N2 and 50.0g of O2 are moxied together. a)which one is the limiting reactant? b) what is the maximum mass in grams of NO2 that can be produced from the mixture? N2(g) + 2O2(g)=2NO2(g) ***please just show me how to set up the equations I

    asked by julia
  254. International Business

    Lunch and Learn PowerPoint Presentation MUST BE ORIGINAL, PROPER IN TEXT CITATIONS, PROPER REFERENCE PAGE, APA FORMAT AND MEET ALL GUIDELINES BELOW, PLEASE.... •Consider the following scenario: You have been asked by the director of your department to

    asked by Happyy4uu
  255. International Business

    MUST BE ORIGINAL, INCLUDED PROPER APA FORMAT, REFERENCE PAGE, PROPER IN TEXT CITATIONS, AND MEET ALL GUIDELINES LISTED BELOW, PLEASE. EXPORT BUSINESS PLAN TO MEXICO : •Consider the following scenario: You own your own company and would like to go global.

    asked by Happyy4uu
  256. Physics: Angular Width. Why is my answer wrong?

    A beam of yellow laser light (590 nm) passes through a circular aperture of diameter 5.0 mm. What is the angular width of the central diffraction maximum formed on a screen? I can't seem to get this answer right. I don't think I am finding the first part

    asked by Sar
  257. algebra

    Tom earns d dollars per week. How much does Tom earn in 10 weeks?

    asked by John
  258. Chemistry

    The estimated lattice energy for is CsF2+2347kj/mol. Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of from its elements. Ea for F = -328 E11 forCs = +375.7 E12 for Cs = +2422 Heat of sublimation for Cs

    asked by diane
  259. stat

    a sample of 150 adults is composed of 100 women and 50 men. estimate the standard error of the proportion for the female population

    asked by suzanne
  260. Physics

    A cart initially at rest on a horizontal floor requires a 365N horizontal force to set it in motion. We know that the coefficient of static friction is 0.64. What is the mass of the cart?

    asked by Taylor
  261. Science

    Compared to the number of protons how many electrons does the carbonate ion have

    asked by Blah
  262. Writeacher-another repost

    Ralph Waldo Emerson's poem "Success” is an apt description of being successful because each line in the poem reflects motivation upon the reader. His poem tells all readers to be responsible, respectful, and strong in life. It gives them the willpower to

    asked by Angelina
  263. physics

    A person has a mass of 50.0 kg. What is the pressure they exert on the blades of their ice skates if each skate blade is 15.0 cm long and 5.00 mm wide?

    asked by Marcy
  264. Calculus

    The length of a rectangle is increasing at a rate of 9 cm/s and its width is increasing at a rate of 7 cm/s. When the length is 15 cm and the width is 10 cm, how fast is the area of the rectangle increasing?

    asked by JJ
  265. physics

    Two children seat themselves on a seesaw, the one on the left has a weight of 400N whlie the one on the right weighs 300N. The fulcrum is at the midpoint of the seesaw, if the child on the left is not at the end but is 1.5m from the fulcrum, and the seesaw

    asked by James
  266. math

    The ratio of the number of mints in Jar A to that in Jar B was 8 : 5. After 1/4 of the mints in Jar A were sold, there were 120 mints in Jar A than Jar B. How many mints were there in Jar B?

    asked by crystal
  267. Chemistry

    How do I predict whether the equilibrium lies to the right or left of an Acid-base equation?

    asked by Ana
  268. History

    how did the first three presidents (or any groups of presidents) affected the powers of the presidency

    asked by Carnita
  269. math

    How to factor this equation? 4x^3yz^4 12x^2y^2z-2x^2yz

    asked by Wajeeha
  270. physics

    hey, i was wondering if someone could explain and help me with this problems. please and thank you! A person holds an object of mass m = 4 kg on the palm of the hand with the arm stretched as shown in the attached figure. Use the torque equilibrium

    asked by daniel
  271. calculus

    Assume that f is an integrable function satisfying the following for all b > 0

    asked by Anonymous
  272. english

    What is the past tense of flying

    asked by Vivien
  273. Spanish 1

    44. Los campañeros de clase _____ mucho. a. estudias b. estudian c. estudiar d. estudiáis B? 45. ¿Cómo está, _____ Fernandez? a. el señor b. señor c. la señora d. la profesora Either A or B.. 46. -"¿Qué necesitas para la clase de inglés?"

    asked by mysterychicken
  274. algebra

    earth tothe sun is 93000000 how many of you stacked on top of yourself would it take to reach the sun

    asked by lateek
  275. Physics

    How long would it take (in seconds) to travel 1 km at a speed of 100 km/h?

    asked by Rose
  276. visual art

    What are the elements of design?

    asked by Vivien
  277. 4th grade

    when I am rounded to the nearest ten I am 50. The difference between my digits is one. I can be two different numbers. Who am I

    asked by Laurin
  278. chemistry

    0.361g of an unknown liquid occupied a volume of 250.0 ml at 758mm Hg pressure and 100 degrees Celsius. what is the molar mass?

    asked by khela
  279. western experience

    Can someone please check my answers? 1. In the early 1970s the only European nation capable of meeting its own oil production needs was A. Great Britain B. France C. Germany D. the soviet union E. Spain D. The soviet union 2. Which group has seen its

    asked by Ashley
  280. Math

    How do you multiply two mixed numbered fractions?

    asked by Erin
  281. math

    set up and label the proportion A 6 ft tall ten standing next to a cardboard box casts a 9 ft shadow. If the cardboard box casts a shadow that is 6 ft long then how tall is it?

    asked by lilly
  282. History

    who in 1978 became the first person born in Antarctica

    asked by Rosa
  283. msth

    what equation can you use to extend the pattern? input 2,5,8,9,11 and out is 1,7,13

    asked by Anonymous
  284. 4th grade math

    when I am rounded to the nearest 10 I am 270. The digit in my ones place is 4 more than the digit in my hundreds place.

    asked by Laurin
  285. Chemistry

    Which would be more effective in lowering the freezing point of 500 g of water? 100 g of sucrose or 100 g of ethyl alcohol?

    asked by Sarah
  286. physics

    in a racing competition a car is driving at 69km/h and the driver can complete 8 full circles in 6 mins. calculate the radius of the circular path in meters?

    asked by Shea
  287. CHEMISTRY..please help..thanks

    A laboratory assistant needs to prepare 325 mL of 0.110 M CaCl2 solution. How many grams of calcium chloride will she need?

    asked by Jasmin
  288. Math Mania

    A fruit stand carries apples, oranges, lemons, and pears. There are twice as many apples as oranges and 3 times as many lemons as pears. If there are 3 more oranges than pears, and p represents the number of pears, which of the following expressions

    asked by Anonymous
  289. Repost of paragraph

    Ralph Waldo Emerson's poem "Success” is an apt description of being successful; each line expresses its own special meaning. His poem tells all readers to be responsible, respectful, and strong in life. It gives them the willpower to be sympathetic and

    asked by Angelina
  290. 4th grade math

    When I am rounded to the nearest ten I am one thousand. I am the same when read forward or backward. I can be two different numbers who am I

    asked by Laurin
  291. Physics

    A cart loaded with bricks has a total mass of 28.5 kg and is pulled at constant speed by a rope. The rope is inclined at 28.1 ◦ above the horizontal and the cart moves 13.9 m on a horizontal floor. The coefficient of kinetic friction between ground and

    asked by Shakib
  292. math

    A map has a scale of 3 cm : 18 km. If Riversaid and Smithville are 54 km apart, then they are how far apart on the map? how would I set the up as a proportion?

    asked by lilly
  293. Trig math

    PLEASEE HELPPMEEE!!!! cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx + cosx

    asked by Sabrina
  294. math

    Which of the given numbers are composite? 0,1,15,19,23,31,49,55,59,87,91,97,103, 105

    asked by carmela
  295. English

    Can someone please proofread my essay on snitching and help fix any grammar error to make it flow better. Did I correctly use the word liabilities? Snitching is the cause of a lot of problems that go on in the work environment today. A snitch is “a

    asked by Keisha
  296. Algebra 1

    A finance company offers cheaper interest rates if you borrow a larger sum of money for shorter time period. A borrower is offered $7000 at 12% or $10080 at 10%. If the tome for the lager loan is 6 months less but the total interest is the total interest

    asked by Lola
  297. College Chemistry

    Predict the signs of delta H (Enthalpy) and delta S (Entropy) for the evaporation of water at 85 C.

    asked by James
  298. math correct or not correct?

    Find the distance between riverside and milton if they are 12 cm apart on a map with a scale of 4 cm : 21 km The final answer is x= 63 km?

    asked by lilly
  299. 5th grade science/ colloids

    what are some examples of colloids? like a mixture,compound or sometin.... im looking for something like a colloid is water and oil mixed together and so on. thx :)

    asked by emily
  300. physics

    Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg ·

    asked by cody
  301. Geo Triangles

    triangle xyz. find all possible lengths of xy given: xz:9in yz:5in given: xz=1 yz=13

    asked by Skylar
  302. physics

    an arrow is fired horizontally at a target 30 meters away. The bullseye is at the same level as the bow. The initial speed of the arrow is 50 m/s. How long does it take to get to the target? How far below the bullseye does it fall?

    asked by Lola
  303. HISTORY

    what were some causes and effect of the Balle of the Bighorn?

    asked by ...............
  304. 4th grade math

    When I'm rounded to the nearest 10 , I'm 600. The digit in my tens place is 1 more than my ones digit. Who am I?

    asked by Laurin
  305. physics

    A 350 piano slides 3.5 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure ). The effective coefficient of kinetic friction is 0.30. Calculate the force exerted by the man.

    asked by Anonymous
  306. math

    What is the time to double when the initial investment is $1000 and the annual rate is 3.5%

    asked by lisa
  307. Chemistry

    Hey guys can someone help me with calculating masses of reactants and products ..... And also calculating limiting and excess reagents , I can't remember all the steps so I wanna know is there an easy way to remember it, I allways get confused and unit

    asked by Saria
  308. Physics

    Please help! How long would it take (in seconds) to travel 1 km at a speed of 100 km/h?

    asked by Rose
  309. English

    between hobbes and locke whose philosophy would creon follow ? antigone?

    asked by Janet
  310. math

    Ann is five years older than twice her brother Dan's age, a. Write an algebraic expression to represent the sum of their ages.

    asked by april
  311. math

    A 6.5 ft tall car standing next to an adult elephant casts a 33.2 ft shadow. If the adult elephant cast a 33.2 ft shadow that is 51.5 ft long then how tall is it. Would it be 6.5/33.2 = 51.5/x?

    asked by lilly
  312. math

    matt thinks that all the values of x and y that absolute value | | would make this statment true |x+y|= |x|+|y| if x is -5 and y is -6 then replacing x and y for the values would look like this: |x+y|=|-5+-6|= |-11|=11 |x|+|y|= |-5|+|-6|=5+6=11 Is matt a

    asked by kayla
  313. Managerial Economics

    5. Call Us demand function is Q = 20 – 0.2P and the MC = 10 + 5Q. Given that TFC = $2,000; a) Derive an equation for the TC. b) Calculate the profit at the profit maximizing level.

    asked by Hydie
  314. English

    Did anybody read life of pi if yes can someone tell me what happen in part one .... I read it but is alittle confused with pi because he believes in three religion etc. Thank u

    asked by Tabi
  315. Managerial Economics

    4. Explain how each of the following events will affect the average and marginal cost curves of a firm : a) a decrease in labour rate; b) an increase in rent for a facility; c) stricter environmental regulation requiring installation of scrubbers on

    asked by Hydie
  316. Western Experience since the sixteenth century

    Ms. Sue can you please help me? I have been searching for this answer and can not seem to find it. What forces have been made for the increasing unity since the continent of Europe has become tightly integrated? Were the landmarks that charted its path

    asked by Michelle
  317. 4th grade math

    when i am rounded to the nearest hundred, i am 3,300. the difference between my ones and thousands digits is 1. my tens digit is the same number as my ones digit. I can be two different numbers. who am i?

    asked by Laurin
  318. math

    a 6.5 ft tall car standing next to an adult elephant casts a 33.2 ft shadow. If the adult elephant casts a shadow that is 51.5 ft long then how tall is it?

    asked by lilly
  319. chemistry

    given that the molecular weight of mg(oh)2, magnesium hydrogen, is 58-32g, what percentage of this compound is oxygen?

    asked by Musawar
  320. Chemistry

    What mass of H2O is required to form 1.2 L of O2 at a temperature of 310 K and a pressure of 0.950 atm? 2H2O (l) ---> 2H (g) + O2 (g)

    asked by Lisa
  321. chemistry

    given that the molecular weight of mg(oh)2, magnesium hydrogen, is 58-32g, what percentage of this compound is oxygen?

    asked by Musawar
  322. chemistry

    given that the molecular weight of mg(oh)2, magnesium hydrogen, is 58-32g, what percentage of this compound is oxygen?

    asked by Musawar
  323. chemistry

    The two isotopes of uranium, 238U and 235U, can be separated by effusion of the corresponding UF6 gases. What is the ratio (in the form of a decimal) of the root-mean-square speed of 238UF to that of 235UF6 at constant temperature?

    asked by Jess