Questions Asked on
June 6, 2012

  1. Physics

    Two planes are about to drop an empty fuel tank. At the moment of release each plane has the same speed of 135 m/s, and each tank is at the same height of around 2.00km above the ground. Although the speeds are the same, the velocities are different at the

    asked by Anonymous
  2. linear programming

    The Pyrotec Company produces three electrical products-clocks, radios and toasters. These products have the following resources requirements : Resource Requirements Cost/Unit Labor Hours/Unit Clock $7 2 Radio 10 3 Toaster 5 2 The manufacturer has a daily

    asked by uma
  3. math

    Find the value of C that will make 25x^2-40x+c a perfect trinomial.

    asked by martha
  4. American lit.

    In which sentence does the underlined noun clause function as a direct object. A. _whoever works as a lifeguard_ needs special training. B. We like to set up our blanket in _whatever place gets some shade_. C. Experts say that one of the best times to put

    asked by Anonymous
  5. Elementary Statistics

    1) Construct a confidence interval of the population proportion at the given level of confidence. x=60,n=300, 99% confidence. The 99% confidence interval is (_,_) 2) A researcher wishes to estimate the proportion of adults who have high-speed internet

    asked by Erin
  6. History

    Which of the following statements is true regarding the Korean War? A. The Chinese armed and trained the North Korean army. B. Stalin was outraged by the North Korean attack on South Korea. C. Stalin approved the North Korean attack in advance. D. Both

    asked by Abby
  7. Chemistry

    What are some chemical, extensive, and intensive properties of a pencil?

    asked by Amneris
  8. Physics

    A block of mass 9.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the horizontal as shown below. The coefficient of static friction between the block and the wall is 0.245. Determine the possible values for the magnitude of P

    asked by Kathy
  9. Advance mathematics

    Find the roots of x3-x2-10x-8=0

    asked by Jeconiah
  10. PHYSICS

    An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground level.

    asked by Patricia
  11. maths

    alpha beta gamma are zeros of cubic polynomial x^3-12x^2+44x+c. if alpha beta gamma are in Ap find the value of c class 10

    asked by JASLEEN
  12. chemistry:)

    The bond enthalpy of the Br–Cl bond is equal to DH° for the reaction BrCl(g)-> Br(g) + Cl(g). Use the following data to find the bond enthalpy of the Br–Cl bond. Br2(l)--->Br2(g) ÄH=30.91 KJ/mol Br2(g)--->2Br2(g) ÄH=192.9 KJ/mol Cl2(g)---->2Cl(g)

    asked by April
  13. managerial accounting

    Which of the following is a benefit of participative budgeting? A. Budget planning is highly centralized. B. A twelve-month planning horizon is maintained at all times. C. Employees tend to be more motivated to achieve the budget. D. Communication is

    asked by sarahip
  14. PHYSICS

    A mover hoists a 200 kg piano from the ground to a height of 5 m using a single pulley. What was the change in the piano's energy?

    asked by Anonymous
  15. Chem sapling learning ??

    Using the following data 1. Cu3+ + 2 e- --> Cu+ E01 = 1.28 V 2. Cu2+ + e- --> Cu+ E02 = 0.15 V 3. Cu2+ + 2 e- --> Cu(s) E03 = 0.34 V 4. Cu+ + e- --> Cu(s) E04 = 0.52 V Calculate the standard reduction potential for the reaction of Cu(III) to Cu(II)

    asked by Anonymous
  16. Algebra 2

    Suppose you deposit $1500 in a savings account that pays interest at an annual rate of 6%. No money is added or withdrawn from the account. How many years will it take for the account to contain $2500?

    asked by Chocolate
  17. Chemistry

    Complete combustion of 7.00 g of a hydrocarbon produced 21.4 g of CO2 and 10.2 g of H2O. What is the empirical formula for the hydrocarbon?

    asked by Stephanie
  18. linear programming

    Exeter Mines produces iron ore at four different mines; however, the ores extracted at each mine are different in their iron content. Mine 1 produces magnetite ore, which has a 70% iron content; mine 2 produces limonite ore, which has a 60% iron content;

    asked by uma
  19. math

    whats th eanswer to the math page. why do elephants have ivory tusks? and the answer to what can you use to tie up a spaceship?

    asked by rob
  20. physics

    The distance between the second and sixth crests in a wave is 75cm and one crest travels a distance of 25 cm in 3.0s . Find the frequency of the wave

    asked by Melissa
  21. calculus

    The base of a solid consists of the region bounded by the parabola y=rootx, the line x=1 and the x-axis. Each cross section perpendicular to the base and the x-axis is a square. Find the volume of the solid.

    asked by Caitlin
  22. Calc

    The arc of the parabola y=x^2 from (1,1) to (2,4) is rotated about the y-axis. Find the area of the resulting surface.

    asked by Caitlin
  23. Physical Geography PLEASE HELP!

    Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain. The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5°F/1000’ and the SAR

    asked by Sandra
  24. poetry

    in the poem the legend by garrett hongo what is the aullusion at the end of the poem in stanza 4? Need Answer ASAP!!

    asked by Rebecca
  25. bio

    Explain why it is more likely for mistakes in oogenesis to be inherited by the offspring than mistakes in spermatogenesis

    asked by shan
  26. literature

    In the call of the wild,what did Buck dream about by the campfire?

    asked by mary
  27. Physical Edu

    The behavior-change PROCESS in which a person investigates support groups or learns about social opportunities that can help with a change is called: a. environmental control b. self-reevaluation c. self-liberation d. precontemplation e. social liberation

    asked by Andy
  28. Physics

    Singly charged positive ions are kept on a circular orbit in a cyclotron. The magnetic field inside the cyclotron is 0.947 T. The mass of the ions is 3.01×10-26 kg, and speed of the ions is 3.45 percent of the speed of the light. What is the diameter of

    asked by Rex
  29. CHEM:

    The bond enthalpy of the Br−Cl bond is equal to ƒ¢H‹ for the reaction BrCl(g) ¨ Br(g) + Cl(g). Use the following data to find the bond enthalpy of the Br−Cl bond. Br2(l)--->Br2(g) ƒ¢H=30.91 KJ/mol Br2(g)--->2Br2(g) ƒ¢H=192.9 KJ/mol

    asked by April
  30. math plase check

    What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check

    asked by toni
  31. Physics

    A satellite with a mass of 284 kg approaches a large planet at a speed vi,1 = 14.4 km/s. The planet is moving at a speed vi,2 = 11.0 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a

    asked by Eric
  32. GEOMETRY

    if AB=5X+3 and BC=7x-9 what is the value of AC? using the addition segment postulate

    asked by BRITTANY
  33. Chem!!

    The value of ƒ¢H‹ for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 12.0 g of CO(g) reacts completely. 2CO(g) + O2(g) ¨ 2CO2(g)

    asked by Harlem
  34. Chemistry

    Which of the following is most likely to deviate from ideal ga7 behavior? (A)He (B)Ar (c) Cl2 (d) CCl2F2

    asked by Yeneta
  35. linear programming

    Mountain Laurel Vineyards produces three kinds of wine Mountain Blanc, Mountain Red, and Mountain Blush. The company has 17 tons of grapes available to produce wine this season . A cask of Blanc requires 0.21 tons of grapes, a cask of Red requires 0.24

    asked by uma
  36. Physics

    The blood flow rate through the aorta is typically 103 cm^3/s, and a typical adult has about 4.9 liters of blood. (a) How long does it take for all your blood to pass through the aorta? ___________s (b) If your aorta has a diameter of 2.1 cm, what is the

    asked by Alex
  37. physics

    Two small pith balls, each of mass m = 16.6 g, are suspended from the ceiling of the physics lab by 1.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 19°, and the charges on the two balls are equal,

    asked by Becky
  38. Chemistry

    2S2O3 2- + I2 => S4o6 2- + 2I - If,in an experiment,0.05 mol S2O3 2- is consumed in 1.0L of solution each second,at what rates are S4O6 2- and I- produced in this solution?

    asked by Yeneta
  39. History

    Which of the following is true of the Truman Doctrine? A. It amounted to an informal declaration of Cold War. B. It created the North Atlantic Treaty Organization. C. It established the Marshall Plan. D. It ended the policy of containment. Is it C?

    asked by Abby
  40. Physics

    An astronaut of mass 82.2 kg is 31.2 m far out in space, with both the space ship and the astronaut at rest with respect to each other. Without a thruster, the only way to return to the ship is to throw his 0.502 kg wrench directly away from the ship. If

    asked by Christina Y.
  41. business

    The Pyrotec Company produces three electrical products-clocks, radios and toasters. These products have the following resources requirements : Resource Requirements Cost/Unit Labor Hours/Unit Clock $7 2 Radio 10 3 Toaster 5 2 The manufacturer has a daily

    asked by uma
  42. Physics

    Two spherical objects with a mass of 7.60 kg each are placed at a distance of 2.93 m apart. How many electrons need to leave each object so that the net force between them becomes zero?

    asked by Becky
  43. History

    Which of the following statements about Truman's Fair Deal is true? A. It repealed the New Deal. B. It called for national medical insurance. C. It was reluctantly passed by Congress. D. It was Truman's response to the Soviet's Sputnik. Is it C?

    asked by Abby
  44. physics

    The source of a wave generates 25 crests and 25 troughs in 5.0s, and the distance between two successive crests in that wave is 1.5 m . What is the speed of the waves

    asked by Melissa
  45. History

    Which of the following was Eisenhower's most significant legislative achievement? A. The Highway Act of 1956 B. The extension of Social Security benefits C. Increasing the minimum wage D. The establishment of modern Republicanism Is it A?

    asked by Abby
  46. math

    Shelia bought a new computer for 2000 dollars and has agreed to finance it at 12% interest, with 100 dollar payments each month. When she makes her first payment next month, how much will she pay for interest alone?

    asked by Akron Oh
  47. Physics

    A research submarine is operating at a depth of 115m in sea water of density 1025kg/m^3. The absolute atmospheric pressure at sea level is 100kPa. The absolute air pressure inside the submarine is twice that at sea level. Find the net force exerted by the

    asked by ToT_Alex
  48. economics

    which is a real life example of a market that is close to perfect competition a.a computer monopoly b.an oil and gas cartel c.farmers market d.public school system.

    asked by pam
  49. Finance 370

    a bond that has a $1000 par value (face value) and a contract or coupon interest rate of 10.9%. The bonds have a current value of $1,120 and will mature in 10 years. The firm's marginal tax rate is 34%. The cost of capital from this bond debt is what

    asked by anita
  50. statistic

    I claim that I make 80% of my basketball free throws. To test my claim, you ask me to shoot 20 free throws. I make only 8 of the 20. “Aha!” you say. “Someone who makes 80% of her free throws would almost never make only 8 out of 20. So I don’t

    asked by Leon
  51. calculus

    Antiderivative problem! Given f'(x)=3cosx–11sinx and f(0)=–2,find f(x)=

    asked by remy
  52. Math 7 - Formula of a Surface Area of RectangularP

    what is the formula of Surface Area of Rectangular Prisms

    asked by Laruen
  53. trig

    A tunnel for a new highway is to be cut through a mountain that is 260 feet high. At a distance of 200 feet from the base of the mountain, the angle of elevation is 36 degrees. From a distance of 150 feet on the other side of the mountain, the angle of

    asked by Marie
  54. Physical Edu

    Which of the following is NOT true concerning behavior change? a. Willpower is the most important factor in changing a new behavior. b. It is a learned skill. c. It involves conscious strategies. d. Having a reward system is helpful. e. Living in a

    asked by Andy
  55. Physics

    A 0.421-kg ball has an elastic, head-on collision with a second ball that is initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic

    asked by James
  56. social studies

    What dictated the division of ancient Greece into many small, independent city states

    asked by Anonymous
  57. Algebra

    The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the legth and the width are each increased by two cm. Find the length and the width

    asked by Anonymous
  58. government

    What was a major consequence of the decline and fall of the Roman Empire

    asked by Anonymous
  59. computer

    to design a program that asks for the sales figures, computes the total sales for the year, and calculates and displays the average quarterly sales for the year

    asked by Anonymous
  60. PHYSICS

    A 5630 kg open railroad car coasts along with a constant speed of 8.64 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.50 kg per minute. Ignoring friction with the tracks, what is the speed of the car after 94.8 min?

    asked by Matthew Goldberg
  61. Physics

    Two small pith balls, each of mass m = 16.6 g, are suspended from the ceiling of the physics lab by 1.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 19°, and the charges on the two balls are equal,

    asked by Sami
  62. Fundemental DeskTop

    If you press the ______ key you will jump to the previous screen A. Page down B. Page up C. Home D. End I got B . You should ____ insert a blank space before the percent symbol A. Always B. Not C. Occasionally D. NONE OF THE ABOVE I got B .

    asked by Sarah
  63. Chemistry

    Write a balanced chemical equation that represents the reaction between methane and hydrochloric acid. CH4+HCl-> I'm not quite sure what happens...help please? Thanks in advance!

    asked by Cicilia
  64. writing

    How would i start off my topic setence regarding what is the importance of purpose, audience, tone, and content in academic writing

    asked by rah
  65. MATHS

    two zeros of cubic polynomial ax^3+3x^2-bx-6 are -1 and -2. find the third zero and values of a and b

    asked by JASLEEN
  66. History

    The political purpose of the Taft-Hartley Act of 1947 was to A. roll back the provisions of the Wagner Act. B. strengthen the Wagner Act. C. impose regulations on the steel industry. D. implement NSC-68. Is it B?

    asked by Abby
  67. The age of discovery to the American experiment

    Which of the following was the primary interest of the british government in approving james oglethorpes georgia colony

    asked by Lisa
  68. math

    Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the

    asked by martha
  69. linear programming

    Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub

    asked by uma
  70. American History

    Which of the following was true of Nixon's presidency? A. It shifted responsibility for welfare programs from the states to the federal government. B. It resisted affirmative-action legislation. C. It tried to overthrow Johnson's Great Society agenda. D.

    asked by Abby
  71. physics

    A formula one car is moving at mach 0.16 when the temperature of the air is 20.0c. What is the speed of the car in kilometers per hour?

    asked by Melissa
  72. Math

    Michael purchased a certain number of share of one stock for a total of $2800. The second stock was selling for $6 less per share . Michael could have bought 6 more shares of the second stock for the same amount of money. How many shares of the first stock

    asked by Jasmine
  73. Math

    I am number greater than 70 000 but less than 90 000.My ones digit is the only even prime number.My tens digit id the same as my ones digit.My ten thousands digit is four times my ones digits.Both my hundreds and thousands digits are half the ten thousands

    asked by Anne
  74. Algebra 1B

    Evaluate m-3, when m = 6 I got 216 Would that be right?

    asked by Mackenzie
  75. English 125 Introduction to literature

    What does the term literature mean to you? What makes something literary in your own mind? If literature means different things to different people, who defines what is and what is not literature? 2.What kind of reading engages/interests you? What about

    asked by belinda
  76. Physics

    Two small pith balls, each of mass m = 10.1 g, are suspended from the ceiling of the physics lab by 0.8 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 42.1°, and the charges on the two balls are

    asked by Tom Brady
  77. History

    Why is The Persian Gulf War so important to the United States?

    asked by Joey
  78. History

    At the beginning of World War II, Roosevelt dealt with France A. by joining with the British in an assault on North Africa. B. through negotiations with the Vichy Government. C. by supporting the Free French under Charles de Gaulle. D. by seeking an

    asked by Abby
  79. Physiology

    if someone is infected with the common cold virus, which type of nonspecific immune response would attempt to deal with the invader? A) T cells B) b cells C) antibodies D) none of these

    asked by Ali
  80. Physics

    The displacement of a harmonic oscillator is given by y = 8.4 sin(14t), where the units of y are meters and t is measured in seconds. What is its maximum velocity?

    asked by Alex
  81. statistics

    In a random sample of 50 babies 4 to 7 month old the average number of hours they slept per day turned out to be 14.2 hours with a standard deviation of 1.6 hours find and interpret a 90% confidence interval for the mean number of hours slept by babies at

    asked by Julio
  82. Chemistry

    A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of this reaction?

    asked by Yeneta
  83. Spanish 4

    7.-Que animal viste en la selva? -Vi_____. A. una ballena B. una serpente !@#$%^&enedor D. unos muebles --B? 19. -sabes ___? -no. no me gustan los deportes acuaticos. A. hace surf B. escalar montanas C. dar una caminata D. poner la tienda -- A??

    asked by Shae
  84. Chemistry

    Calculate the mass of lithium hydroxide that must be added to 50ml of water so that it may react exactly with 5ml solution of 1.5M nitric acid.

    asked by Jeconiah
  85. math

    How many digit number greater than 200 but less than 300 can be obtained from 1234,and what is the probability that a number choosen at random falls into this range

    asked by Yinka
  86. History

    After Hitler came to power in 1933, he blamed Germany's defeat in World War I on A. Jews and Gypsies. B. Communists and American imperialists. C. Jews and Communists. D. Communists and Socialists. Is it C?

    asked by Abby
  87. business

    if you want to turn self-directed gain into social and economic benefits for all, you should use a/an --------strategy. a. charitable aid society b. government c. visible hand d. invisible hand

    asked by mark
  88. Chemistry

    2.8g of iron(¡¡) reacted with 100ml of 2M sulfuric acid. A.Which reactant is in exces? B. What volume of hydrogen gas is produce at RTP? C. How many moles of iron sulfate is produced? D. How many atoms of hydrogen gas were evolved?

    asked by Jeconiah
  89. Statistics

    It is known that the standard deviation for the number of minutes women spend applying makeup everyday is 17 minutes if you want to construct a 95% confidence interval for the mean amount of time women spend applying make up with a margin of error of no

    asked by Julio
  90. algebra ll

    divide and simplify 5y-5/21 divided by y-1/33y

    asked by kim
  91. History

    Under Franklin Roosevelt's Good Neighbor policy, A. the Platt Amendment was rescinded. B. the collective security among the nations of the Western Hemisphere declined. C. American commerce with Latin America increased, but only slightly. D. Cordell Hull

    asked by Abby
  92. 3 grade math ms sue

    1- Michael used addition to find 8*100 and he said product is 80. What did he do wrong? my son did it- the product is not 80 it's 800. 8*100=800

    asked by dw
  93. math

    Given a right triangle ABC, if the measure of angle B=30 degrees, the measure of angle C=90 degrees, and AB=5cm, find AC

    asked by martha
  94. MATHS

    obtain all zeros of x^4-7x^3+17x^2-17x+6 if two of its zeros are 3 and 1

    asked by JASLEEN
  95. linear programming

    Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub

    asked by uma
  96. biology

    why does The sodium-potassium pump move potassium ions into and sodium ions out of a cell down a protein canal?

    asked by sara
  97. Algebra 1B

    1.) Find the GCF of -25a3b4, 45a6b5. I got 25a3b4 2.)Find the GCF of a5b, a3b4, a2b3. I got a2b 3.) Find the GCF of 10ab5, 12a3b4, 16a2b3. I got 2ab3

    asked by Mackenzie
  98. chemisty

    when 2.75 mol HI(g) placed in 1L container and allowed to dissociate into 2HI(g) H2(g)+I2(g) Final H2 concin .275M. What is Ka for rxn The answer is .0156. But I don't know why Thanks

    asked by chemistt
  99. Math- Probability

    Two regular dice are rolled. what is the probability that the sum is even, given that both numbers are odd?

    asked by G
  100. aiu

    Imagine that you have been hired as an IT consultant and have been asked to write a recommendation for an OS. This start-up company primarily develops games and has approached you to recommend an OS for its 25 employees who use desktop PCs.development.

    asked by jackie lewis
  101. Physical Edu

    It is advisable to change as many behaviors all at once. Example, go on a diet, go to the gym and quit smoking and drinking coffee all at the same time? its False right?

    asked by Andy
  102. chemistry

    Calculate the solubility of Cacl2 in g/L based on the experiement. Given 650g of CaCl2 added to 1.0L and allowed to dissolve as much as possible. While the remaining solid CaCl2 is filtered out of the solution and found to have a mass of 5.509g. What is

    asked by Greg
  103. maths

    in a town 11/23 are males, 17/46 are females and rest are children . what portion of the total population do the children constitute?

    asked by Anonymous
  104. Chemistry

    Why does a pressure cooker reduce cooking time?

    asked by Yeneta
  105. Desktoping

    The ____ symbol is contained on the numeric keypad. A. ) B. % C. + D. $ I got C If you press the down arrow key ( ): A. You will jump to the previous page B. You will jump to the next page C. The inseration point will move down one line D. The inseration

    asked by Sarah
  106. Physics

    A very large electric current can flow inside a tornado from the clouds to the ground. If the magnetic field is measured to be 1.62×10-8 T at a distance of 8.33 km from the tornado, then what is the magnitude of this current?

    asked by Wardy
  107. Intermediate Algebra

    I am having trouble with these two. Can you please help me?? Find the following product: -4x^2y (-4x^3y^5) Essy, Show all work. Find the following quotient: 16x^2-25y^2 ___________ 4x + 5y

    asked by ladybug
  108. Art

    Can you please check if my rephrase is OK? I need to rephrase my previous post. I can't leave the sentences as they were. Thank you, Ms Sue. How does George Orwell describe Winston Smith in the opening of Nineteen Eighty-Four? Make referece to the place

    asked by Mike
  109. math

    last week Coughy worked 4 hours more than Achewy. she also worked twice as many hourse as Pokey. altogether, they earned $252. if couphy earns $6.50 per hour, Achewy earns $9 per hour, and Pokey earns $5 per hour, find the number of hours that each worked.

    asked by Josh
  110. Chemistry

    2.8g of iron(¡¡) reacted with 100ml of 2M sulfuric acid. A.Which reactant is in exces? B. What volume of hydrogen gas is produce at RTP? C. How many moles of iron sulfate is produced? D. How many atoms of hydrogen gas were evolved?

    asked by Jeconiah
  111. Chemistry

    the mass of the crucible is 19.73 g fill the crucible with CuSO4 which was 26.44 g Heat the crucible until the water is released it weighed 23.40 g So now, how many moles of water is removed? The number of moles of CuSO4 that after dissolution rest?

    asked by Caroline
  112. Intermediate Algebra

    A gardner wants to create a rectangular garden with length of 8x-4y ft. and and width of 5x+9y ft. What is the area of the garden? Be sure to multiply this out, express in simplest correct mathematical form and include units.

    asked by ladybug
  113. Chemistry

    Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced. 2.5M * 0.025L/2=x/132 =4.125g

    asked by Jeconiah
  114. geometry

    One thousand raffle tickets are sold for $1.00 each. One grand prize of $200 and two consolation prizes of $50 each will be awarded. Jeremy purchases one ticket. Find his expected value. Show your work for full credit.

    asked by angela
  115. Chemistry

    Which type of chromatography would be used to separate and determine the RMM of two unknown bacterial proteins?

    asked by Honey
  116. physics

    A 96.3 g mass is attached to a horizontal spring with a spring constant of 1.04 N/m and released from rest with an amplitude of 27.1 cm. What is the velocity of the mass when it is halfway to the equilibrium position if the surface is frictionless?

    asked by Anonymous
  117. physics

    Assuming that the speed of sound at a certain altitude is 330m/s calculate the speed of an airplane that is traveling at match 4.2 ?

    asked by Melissa
  118. physics

    A plane traveling at 260m/s has a speed of Match 0.80. What is the speed of sound in the air

    asked by Melissa
  119. Chemistry

    The solubility of sodium selenate is 84 g/100 g of water at 35 oC. If a solution is obtained by dissolving 92 g of sodium selenate in 200 g of water at 35 oC, What do you call this solution? (A) Diluted (B) Saturated (C) Unsaturated (D) supersaturated

    asked by Yeneta
  120. English :reposting

    Hi, I need help seeing if I corrected the following correctly. #1-Incorrect: This is getting boring. I killed Hook no pirates, no adventures, and no one to boss around. I need to find a new adventure, but away from Neverland." Peter said. #1-My correction:

    asked by Zahra
  121. english

    Are these correct? 1.Which sentence is correctly punctuated? A) Upon hearing her children were hungry; she cooked a lovely homemade dinner. B) Upon hearing her children were hungry she cooked a lovely homemade dinner. C) Upon hearing her children were

    asked by spaz2248
  122. math

    uSING a=LW FIND THE AREA OF A RECTANGLE LIS 9X^2 W IS 4X^3 i AM A LITTLE CONFUSED WITH THIS CAN YOU HELP ME PLEASE

    asked by BERNIE
  123. chemistry

    what is the difference between ionic and molecular/covalent compounds? Which one uses prefixes? Which one has a charge, shares electrons, use Roman numerals, are between a metal and nonmetal, etc.? i'm really confused. please help! thank you!

    asked by Anonymous
  124. Math

    What is the greatest 7 digit number without repeating any digit?

    asked by Anne
  125. Chemistry

    Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced.

    asked by Jeconiah
  126. Fundemental Desktop

    when keyboarding, you ______ let your back rest againist the back of the chair Q. should R. Should not S. should sometimes T. NONE OF THE ABOVE I got Q . Mnay windows-based programs provide _______________. such as Ctrl+O to open a file. A. Icons B.

    asked by Sarah
  127. statistics

    In a random sample of 50 babies 4 to 7 month old the average number of hours they slept per day turned out to be 14.2 hours with a standard deviation of 1.6 hours find and interpret a 90% confidence interval for the mean number of hours slept by babies at

    asked by Julio
  128. physics

    a pneumatic nail gun with muzzle speed of 37m/s fires a 5.0cm nail directly into a hard wood that stops the nail just when it is full embedded in the wood. Assuming the nail's deceleration to be constant, what is its magnitude?

    asked by Robert
  129. english

    what is the historical allusion?

    asked by trevor
  130. Chemistry

    Which of ions most abondant in sea water Na+ ,Ca2+ ,Cl-,HCO3-

    asked by Yeneta
  131. Physics

    How fast would a 9-g fly have to be traveling to slow a 1790-kg car traveling at 58 mph by 4 mph if the fly hit the car in a totally inelastic head-on collision?

    asked by Emily
  132. business

    1. An auto manufacturer negotiates a deal to have its cars appear in a Hollywood film. This is an example of A. publicity. C. media placement. B. product placement. D. image exposure. 2. To affect market _______, a company’s framework could be

    asked by nick
  133. sovle by substution

    how do you do equations where they don't give you y to start like -4x +y =6 -5x - y=21

    asked by Geneva
  134. MATH- CHECK

    BUYING A WEDDING RING- AREA? BUYING DIRT FOR S POTTED PLANT- VOLUME? BUYING PAINT FOR BEDROOM CEILING- PERMETER?

    asked by Celest
  135. Art

    Could you please check how I can improve the following sentences? Thank you, Ms Sue. 1) Through his novel Orwell describes the totalitarian governments that had governed Europe in the period between the two wars. As a matter of fact, much of Oceanic

    asked by Mike
  136. math

    j costs twice as much as b. b costs twice as much as k. all three letters together cost 17.50. what is the price of each letter?

    asked by joe
  137. Chemistry

    Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced.

    asked by Jeconiah
  138. Chemistry

    Calculate the mass of lithium hydroxide that must be added to 50ml of water so that it may react exactly with 5ml solution of 1.5M nitric acid.

    asked by Jeconiah
  139. Finance

    Carnation needs to buy a $12,500 part the part company is offering cash discount terms of 4/10, n30. Carnation has a tight cash flow, wants to discount a 180 day note dated February 12 with a maturity value of $10,300. Bank offers a discount rate of 6%.

    asked by becky
  140. 5 gr math

    How do you write this # in words 15.2

    asked by Lela
  141. computer networking

    You are targeting a wirless network in your area do condut some unauthorized activities. what type of security standard would be the easiest to access A. Open System Authenication B. WEP C. WPA- PSK D. 802.11x You are accessing a wirless network in your

    asked by fabian wise
  142. 5 gr math

    Three centuries is the same has how many decades?

    asked by Lela
  143. History

    The majority of states that did not ratify the Equal Rights Amendment were located in the A. Northeast. B. Midwest. C. West. D. Southeast. Is it D?

    asked by Abby
  144. Physics

    How fast would a 9-g fly have to be traveling to slow a 1910-kg car traveling at 61 mph by 6 mph if the fly hit the car in a totally inelastic head-on collision? Could someone explain the steps, please?

    asked by Jeremy
  145. HIS 103

    Good overview; who were some of the other nomadic peoples at the time, and did their empires approach anything close to what the Mongols attained?

    asked by Maryann
  146. Soial Work

    Discuss a case fro the NM court which has used a ruling involving the Tarasoff case

    asked by Maryanne
  147. sovle by substution

    i don't get this whole concept what-so-ever so lets start with problem one y= -3X +5 5 X - 4y = -3

    asked by Geneva
  148. English

    1. The sports player for weight lifting lifts heavy things, What is the name of the heavy things in English? 2. He is sending a text message with/on his smart phone. (Do we have to use 'with' or 'on' in this sentence?)

    asked by rfvv
  149. Business Law

    W3 DQ2-sub Hazel is 84, and suffers from debilitating arthritis. Sometimes, she can barely walk. Every time Hazel has been unable to get around, her neighbor Ruth cooks and cleans for her until she feels better. Hazel has offered to pay Ruth, but Ruth

    asked by Rich
  150. Chemistry

    in any aqueous solution what effect does the addition of NaOH (aq) have on the concentration of H+ (aq)

    asked by Lisa
  151. math

    36x3.14x8=?

    asked by george
  152. English Genre

    Is "Oedipus and the King"'s genre "Mythology" or "Fiction"?

    asked by Amy
  153. calculus

    Please help! ∫17dx/x^2(sqrt(x^2+49)) .. let x=7tan(θ). thank you so much for your help!

    asked by annie
  154. Math

    7/(x-4) = 2 Solve algebraically.

    asked by Labz
  155. math

    SHAPE : CUBE IF U PICK A FACE, HOW MANY FACES ARE PERPENDICULAR TO IT? IF U PICK AN EDGE, HOW MANY EDGES ARE PERPENDICULAR TO IT?

    asked by Celest
  156. History

    In a free election in 1989, Lech Walesa came to power in A. Poland. B. Hungary. C. Romania. D. East Germany. Is it A?

    asked by Abby
  157. discrete mathematics

    problem has to do with three valued logic, ie the values 1, 1/2, 0 interpreted as true, unknown, and false. i need to establish the connectives for the 3 valued logic, construct truth tables for the negation, conjunction, disjunction, the conditional, and

    asked by anthony
  158. Chemistry

    28g

    asked by Jeconiah
  159. Art

    Writeacher, will you be on holiday over the weekend? I really hope you'll write a reply.

    asked by Mike
  160. English

    do anyone see movie "the notebook"? i not get what in the opening scene the sunset and water represent.

    asked by Mohammad
  161. Algebra 1B

    Simplify (b^2/b) (b^2/b)

    asked by Mackenzie
  162. Algebra 1B

    Simplify: 4n(2n + 2) My answer is-- 8n+8n Am i right?

    asked by Mackenzie
  163. business

    what are the challenges of opening a business in two different countries?

    asked by mae
  164. 5 gr math

    Misha had four hundred sixteen cards in her collection. Evelyn had two hundred seventy-two in her collection. Misha has how many more cards then evelyn?

    asked by Lela
  165. Art

    Ms Sue, can you please check my post until Writeacher comes back? I would be extremely grateful to you. I need to rephrase this sentence. 1)Give a detailed description of Winston Smith as he appears in the opening to George Orwell's 1984. Refer to the

    asked by Mike
  166. math

    the hotdog shack sold 359 hotdogs during their 2-day grand opening celebration on saturday and sunday. the number of hotdogs sold on sunday was 13 less than twice the number of hotdogs sold on saturday. how many hotdogs did the hotdog shack sell on sunday?

    asked by Josh
  167. math

    The equation of a parabola is y=(x-5)^2-4. Is the point (5,-6) on this parabola?

    asked by martha
  168. humam resources

    What motivational factors can influence individual performance in the workplace? How can compensation programs be used to motivate individual performance? What benefits can be used to motivate individual performance? Discuss other tools that are not

    asked by sarah
  169. business

    if you're developing a human resource inventory, you should exclude which of the following? a. names b. capabilities c. perpetual inventory d. education

    asked by mark
  170. science

    how you use muscular power in school activities

    asked by pratik
  171. science

    What is the cell potential and voltage gradient?

    asked by kara
  172. math

    it is estimated that in an average lifetime a person watches about 105,000 hours of TV. at this rate, about how many hours per day does a person watch TV?

    asked by Celest
  173. to ms.sue

    i don't know, is it 70 years?

    asked by Celest
  174. Art

    Could you please check this paragraph, Ms.Sue? This is the last of the day. 1)He is a 28-year-old young writer and journalist born in Naples. He grew up in its hinterland ruled by the Camorra. Since he was a child, he has been aware of the mob's existence,

    asked by Mike
  175. chemistry

    The state of texas covers approxmiately 268,58 squared mi. During a hail storm the entire state is covered in 1billion meters of hail.(average radius of 1.4292cm)assume the hail falls so that the gaps of air are limited to 26% of the volume. As the state

    asked by Bill
  176. career

    what is the right career path?

    asked by Celest
  177. algebra 1

    having trouble rewriting with rational exponents cuberootãxy^2z

    asked by kathy
  178. English

    Hi, I need help seeing if I corrected the following correctly. Incorrect: This is getting boring. I killed Hook no pirates, no adventures, and no one to boss around. I need to find a new adventure, but away from Neverland." Peter said. My correction: This

    asked by zahra
  179. to ms.sue

    i looked on the top of my book and it says 75 years.

    asked by Celest
  180. math

    62 more than the quotient of 18 and 3

    asked by angelica
  181. algebra 1

    ã2(9ã3 - 9ã9)

    asked by kathy
  182. algebra 1

    simplify 16^3/2

    asked by kathy
  183. to Ms.sue

    thanks!

    asked by Celest
  184. Math

    What is the least number that can be formed using 4 9 2 1 3 0 6?

    asked by Anne
  185. c0llege math

    multiply -7(2a^-4) would the correct answer be 14^+28

    asked by Lourane
  186. to ms.sue

    it asks how many hours per day/

    asked by Celest
  187. english

    i neeed help putting my thesis together for my essay reflecting on two books: "the poisonwood bible", and "fall on you knees" plz help asap

    asked by celina
  188. math

    (5+10^5 12-9)

    asked by Anonymous
  189. to Damon

    is the answers 3 and 3?

    asked by Celest