Questions Asked on
December 10, 2010

  1. Chem 20

    Each of the following solutions has a concentration of 0.1 mol/L. Compare the hydronium ion concentration and pH in each pair and explain why they are different. a) H2SO4(aq) vs. H2SO3(aq) b) H2S(aq) vs. NH3(aq)

    asked by Anonymous
  2. history

    In which magazine Sir Syed focused on socio-cultural issues and problems of the Indian Muslims? ► Risala-i-Asbab-i-Baghawat-i-Hind ► Loyal Muhammadans of India ► Ahkam-i-Tawam Ahlil Kitaab ► Tehzib-ul- Akhlaq

    asked by pinki
  3. chemistry

    Butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -0.4 degrees C. A 250mL sealed flask contains 0.5g of butane at 25 degrees C. How much butane is present as a liquid? If the butane is warmed to 25 degrees C, how much is

    asked by kyle
  4. 9th grade

    what is the set of points equidistant from two given points A & b?

    asked by Anonymous
  5. computer science

    If all the hub and authority scores are initialized to 1, what is the hub/authority score of a node after one iteration? In the preceding discussion we encountered two recommended “hard constants” – the increment on te being ten times the last fetch

    asked by Alex
  6. Chemistry

    3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) A.)the moles Na3PO4 required to react with 2.03 L of 0.891 M Ca(NO3)2 B.)the grams of Ca3(PO4)2 that can be obtained from 136 mL of 0.627 M Ca(NO3)2 C.)the volume of 0.76 M Na3PO4 needed to react with 25

    asked by Anonymous
  7. Cost accounting

    The company is planning to sell product z for $10 a unit. Variable costs are $6 a unit and fixed cost are $100,000. What must total sales be to break even?

    asked by joyce
  8. Chemistry

    The normal boiling point of ethanol is 78.4°C. When 9.16 g of a soluble nonelectrolyte was dissolved in 100. g of ethanol, the vapor pressure of the solution at that temperature was 7.40 102 Torr. (a) What are the mole fractions of ethanol and solute? (b)

    asked by Daiyo
  9. macroeconomic theory

    4. If an individual's utility function for coffee (x) and cream (y) is given by U(x, y) = min (x, 5y), write the demand function for coffee .

    asked by jane
  10. math

    HELP Not great in these Express y=2x^2 -12x +23 in the form y=2(x-c)^2 + d The graph of y=x^2 is transformed into the graph of y=2x^2 - 12x +23 by the transformation a vertical stretch with scale factor k followed by, A horizontal translation of p units

    asked by Morie
  11. history

    For what purpose Muslim League branch in London was established? ► To organize the Muslim community in London ► To draw attention to the misinterpretation and plans of the Hindus against the Muslims ► To emphasize the conspiracies of the British

    asked by pinki
  12. world history

    the declaration of the rights of man issued during the french revolution of 1789-

    asked by orlando
  13. college math

    apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

    asked by jennie
  14. fin

    4. If an individual's utility function for coffee (x) and cream (y) is given by U(x, y) = min (x, 5y), write the demand function for coffee .

    asked by jane
  15. 9th grade

    the perimeter of a triangle is 31 cm. sides #1 and #2 have epual length, while side #3 is one centimeter shorter than twice the length of side #1. how long is each side

    asked by dayday
  16. trig

    the height of a projectile is modeled by the equation y=-2x^2+38x+10, where x is a time, in seconds, and y is height, in feet, During what interval of time, to the nearest tenth of a second, is the projectile at least 125 feet above ground

    asked by nate
  17. social studies

    Which statement is the most accurate? A. Business activity in 1929 began to decline a few months before the stock market crash. B. The stock market crashed a few months before business activity began to decline. C. The stock market crashed at virtually the

    asked by tony
  18. reading

    what is the falling action of a white heron?

    asked by jeet
  19. Physics

    The oven draws 1100W of power, and you have determined that it heats with an efficiency of 51%. Using this information, determine the time t it would take to bring 240mL of water from 25C to 100C . Note that 4.2 J of energy is required to raise the

    asked by Mike
  20. mATH

    A bucket has 28 liters of water in it is 2/3 full. How much can it hold?

    asked by JESSICA
  21. social studies

    Our economy ______ operates on its production possibility curve. A. always B. usually C. sometimes D. never I'm stuck between B and C. Here's the text: "Usually there's some economic slack, but every so often we do manage to operate at peak efficiency.

    asked by tony
  22. College Physics

    Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). x 1kg------2kg | | | |y 3kg------4kg (a)Find the MAGNITUDE and DIRECTION of the net force acting on the 2.0 kg mass if x = 0.20 m and y = 0.11 m.

    asked by Sara
  23. Chem 20

    What do these reactions end up looking like when they react with water? a) CN-(aq) b) HNO3(aq) c) H2SO3(aq)

    asked by Anonymous
  24. Physics

    Approximately what force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 6.9 kg shot put (Fig. 9-66)? Assume the lower arm has a mass of 2.8 kg and its CG is 13.0 cm from the pivot point.

    asked by Anonymous
  25. MATH

    Suppose that 2000 is loaned at a rate of 9% , compounded semiannually. Assuming that no payments are made, find the amount owed after 10 years.

    asked by Anonymous
  26. URGENT Statistics

    In performing two-tailed hypothesis test with v=20, you obtain a t-statistic of 2.41. The p-value is: Between 2% and 5%. I need help understanding how this range was gotten. I know that the t-statistic is between t.025 and t.01 and since this is a 2-tailed

    asked by Rhea
  27. Chemistry

    2KMnO4(aq)+16HCl(aq)->2MnCl2(aq)+5Cl2(g)+8H2O(l)+2KCl(aq) A.)the volume of 0.414 M KMnO4 needed to produce 1.66 mol MnCl2 B.) the volume of 2.15 M HCl needed to produce 112 mL of 0.618 M KCl C.)the molarity (M) of the HCl solution when 26.42 mL react with

    asked by Anonymous
  28. trig

    sin2 theta = cos theta, 90 degrees less than or equal to thetha greater than 180 degrees

    asked by Jaquea
  29. Chemistry

    Gravimetric analysis does not always involve a precipitate. Consider the following problem. A mixture of calcium carbonate and calium oxide has a mass of 8.35 grams. When heated strongly, the CaCO3 in the sample decomposes into solid CaO and carbon dioxide

    asked by Josh
  30. Social Studies

    What are 6 significant events important to Americans that occurred during World War II?

    asked by Brad
  31. cost accounting

    fixed cost relating to staging a concert are 350,000. variable cost per patron are $5.00. the selling price for a tickets $25.00. The blue Saints band has sold 23,000 tickets so far. How many ticket does the Blue Saints band need to sell to achieve net

    asked by joyce
  32. physics

    How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180°C to a liquid at 660°C (its melting point)? The latent heat of fusion for aluminum is 4.0 105 J/kg.

    asked by maria
  33. college math

    apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

    asked by jennie
  34. physics

    A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the track.

    asked by Anonymous
  35. Chemistry

    A 1.00% by mass MgSO4(aq) solution has a freezing point of -0.192°C. (a) Estimate the van't Hoff i factor from the data. (b) Determine the total molality of all solute species. (c) Calculate the percentage dissociation of MgSO4 in this solution. Can

    asked by Daiyo
  36. chemistry

    Compute the boiling point elevation of a salt water solution that contains 2.60 g of NaCl dissolved in 121 ml of water. Enter the number of degrees celsius that the boiling point will be elevated.

    asked by chaddhar
  37. statistics

    the j.o supplies company buys calculators from a supplier. The probability of a defective calculator is 10%. If 100 calculators are selected at random, what is the standard deviation of the number of defectives.

    asked by Anonymous
  38. Math

    The mean salary of the female employees of one company is $29,525. The mean salary of the male employees of the same company is $33,470. Can the mean salary of all employees of the company be obtained by finding the mean of $29,525 and $33,470? Explain

    asked by Rena
  39. Biology

    Angiosperms (flowering plants) are the largest phylum in the plant kingdom (Angiospermophyta is also called Anthophyta or Magnoliophyta). These plants have true roots, stems, leaves, and flowers. The roots grow into the soil to anchor the plant in place

    asked by Chloe
  40. mATH

    solve using multiplication principle. -2/7x=6/35

    asked by JESSICA
  41. physics

    a man exerts 200 N force on a 18 kg lawnmower handle as he pushes it at constant velocity . the hantle makes an angle os 50 degrees with the ground.

    asked by oscar
  42. sara

    which of the following is an example of capital? A. money in a Swiss bank account. B. a bulldozer C. a CD by Metallica D. a Dracula costume for Halloween not sure which one to choose? helpp

    asked by social studies
  43. us history

    Compare the colinial empire of Spain, France and England in terms of their settlements, economic structure and political control.

    asked by Jerri
  44. mATH

    what is the decimal notation for 4/9

    asked by JESSICA
  45. Physics

    An inclined plane is on a table 1.4m tall. A 6kg box is hanging vertically attached to a 2kg mass on a plane with an unknown incline plane with coefficient of sliding friction of .2 . a. determine the acceleration of the system. b. if the plane is 3.5m

    asked by Mitch
  46. Geography

    which level of economic activity does nomadic herding go into?

    asked by Cheryl
  47. 12th grade international business

    What is a domestic pricing model?

    asked by Susan
  48. EAST MIDDLE SCHOOL

    FINDING THE CORDINATES OF OF POINTS A,B,C, D, E, F, AND G.

    asked by KATHY
  49. 9th grade

    what will happen if there is too much mass in the cars on a roller coaster?

    asked by Anonymous
  50. SCI/241

    Hello, I have to answer this question for my assignment. Compare and contrast how different electrolytes-sodium, potassium, and chloride-function in the body. This is what I have so far but I am not sure if this is the whole answer. The Electrolytes in

    asked by Nikol
  51. calculus

    A particle is moving along the graph of x^-(1/3). When x=8, the component of its position is increasing at the rate of 1 cm/sec. How fast is the x-component changing at this moment?

    asked by Anonymous
  52. calculus

    A particle is moving along the graph of x^-(1/3). When x=8, the component of its position is increasing at the rate of 1 cm/sec. How fast is the distance from the origin changing at this moment? How fast is the angle of inclination changing at this moment?

    asked by Anonymous
  53. algebra

    combine and reduce 6b/3a + b/a = answer 3b/a

    asked by rachel
  54. Chemistry

    A 0.5962g sample of iron ore is dissloved in acid producing Fe3+. Though a series of reactions, the iron precipitates as the Fe(OH)3. The precipitates is heated, forming solid Fe2O3. What is the mass % of iron in the sample if the analysis produced 0.3210g

    asked by P
  55. Finance

    FIN500, Inc. has the following project. It is a 4 year project and required initial investment of $10 million. Depreciation is straight-line over 4 years. Initial net working capital requirement is $1.5 million and is fully recoverable whenever the project

    asked by Juju
  56. Criminal Justice

    what attributes make up an effective and ineffective appellate court judges?

    asked by Robin
  57. adult education

    describe why it is important to consider each domain in the study of adult development, provide an example of how one domain of development impacts the other two.

    asked by KIM
  58. 6th grade

    if the ratio is 3:2 and length is 5 inches.what is the widith

    asked by cc
  59. physics

    The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.50 X 10^5 Pa, and the horizontal divisions represent 3.00 X10^-3 m3. Determine the work done (including algebraic sign) in each

    asked by james
  60. Math

    What steps do I take in order to solve : (101-100) = .512 x (x/.5)

    asked by MAX
  61. com156

    How does a persuasive essay differ from a biased essay?

    asked by Anonymous
  62. help me please physics

    A monatomic ideal gas expands from point A to point B along the path shown in the drawing. (a) Determine the work done by the gas. J (b) The temperature of the gas at point A is 198 K. What is its temperature at point B? K (c) How much heat has been added

    asked by tom
  63. Taxation

    "Sally W. Emanual had the following dividends and interest during the current year. Acorn Corporation bond interest $700 City of Boston bongs interest 1,000 Camp Bank interest 1,250 Jet Corporation dividend(Qualified) 1,300 North Mutual fund Capital gain

    asked by DEE
  64. physics

    how much work is being done if a 100 N box is lifted 3 meters off the ground???

    asked by Abby
  65. History

    1) sketch out the contours of US history between 1789 and 1865 2) characterize US economic development during this period (economic philosophy, development models, technological innovations, and the real economy) 3) elaborate the outlines of sectional

    asked by Jim
  66. MOMENTUM AND SHM

    A(n) 3800 kg rocket traveling at 2500 m/s is moving freely through space on a journey to the moon. The ground controllers find that the rocket has drifted off course and that it must change direction by 9.2 degrees if it is to hit the moon. By radio

    asked by Jaylee
  67. Business Math

    Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

    asked by Jessica
  68. math

    Net worth. Melanie's house is worth $125,000, but she still owes $78,422 on her mortgage. She has $21,236 in a savings account and $9,477 in credit card debt. She owes $6,131 to the credit union and figures that hers cars and other household items are

    asked by Aretha Siggers
  69. Business Math

    Every week, a grocery store buys 30 gallons of milk at a cost of $1.58 per gallon. The store owner anticipates a 15% spilage rate. To achieve a 20% markup based on cost, what should be the selling price per gallon? Round to nearest cent.

    asked by Jessica
  70. physics

    (a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s.(kPa) (b) If the area of the wing is 30 m2, what is the net upward force exerted on

    asked by aok
  71. physics

    A hole in an aluminum plate has a diameter of 1.465 cm at 22.80° C. (a) What is the diameter of the hole at 199.0° C (to four significant digits)? (b) At what temperature is the diameter of the hole equal to 1.463 cm (to three significant digits)?

    asked by aok
  72. english

    The high rate of eating disorders in the United States is mainly attributed to social factors such as media, cultural influences, and family factors. My questions is should it be, The high rate of eating disorders in the United States IS/ARE mainly

    asked by liz
  73. Finance

    Assume that you have a bond with a 22-year life, a five percent coupon rate, semi-annual coupon payments and the bond is priced at 103. a) What is the YTM b) if the bond is callable after 3 yrs, What is the YTC? c) What is the current yield?

    asked by Jesse
  74. accounting

    This is the question: "Use page 3 of the journal. Jornalize and post the adjusting entries." Can you tell me how to do that?

    asked by Molly
  75. Physics

    At t = 0 s a flywheel is rotating at 25 rpm. A motor gives it a constant acceleration of 0.8 rad/s2 until it reaches 100 rpm. The motor is then disconnected. How many revolutions are completed at t = 23 s?

    asked by applebottom
  76. Political science college

    what is a source for statistics for muslim american businesses in the US Do you know of a source for statistics for muslim american businesses in the US economy

    asked by Carolyn
  77. english

    Which of the following is NOT a benefit that the narrator claims from his "modest proposal"? Question 9 answers A. national and international recognition for their efforts B. a sense of value and pride for poor people C. increase in profit and disposable

    asked by lauren
  78. chemistry

    if you have 52 grams of hydrogen chloride in 6 liters of solution , what's the ph ?

    asked by cookie
  79. Physics

    An engineer claims to have measured the characteristics of a heat engine that takes in 130J of thermal energy and produces 40J of useful work. What is the smallest possible ratio of the temperatures (in kelvin) of the hot and cold reservoirs?

    asked by Mike
  80. English Wording

    is this right: ... "sent through the mail" or does that sound awkward

    asked by Amy
  81. physics

    A car starts from rest accelerates with a constant acceleration of 1.5 m/s squared. HOw far does the car move in 4 seconds?

    asked by ME
  82. US History

    I need to do a poster that's for teen suffrage and I wanted to use this: h t t p : / / c d n . w n . c o m / p h / i m g / 3 0 / c a / e f 1 c 4 8 d 1 3 2 f d 1 c 1 6 0 5 b b 9 3 d 2 5 2 7 8 - g r a n d e . j p g or something like this. Would this be a

    asked by Alex
  83. OCHem

    The amount of methylcycloheane with the substituent in the equatorial orientation at room temperature (25C) would be The Gibbs free energy for axial methyl to equatorial methyl is -7.28Kj/mol (the universal gas constant is 8.314 j/deg-mol). I cant remember

    asked by Alex
  84. statistics

    Provide three examples of when practical significance outweighs statistical significance? Explain your rationale.

    asked by Anonymous
  85. business

    five companies contribute different amounts to a local charity. which visual could best illustrate the percentage of all the monies collected that each companys cntribution represented table bar chart line graph pie chart

    asked by terrie
  86. Math/Pre Cal

    Find the sum of the geometric series 128-64+32-______to 8 terms .

    asked by Robo123
  87. Math/Pre Cal

    Find the sum of the geometric series 128-64+32-______to 8 terms .

    asked by Robo123
  88. 10th grade

    If ab=6y & bc=8y What is BD In Terms Of Y.??

    asked by Anonymous
  89. government

    the role of the house rules committee is played in the senate by the

    asked by Gia
  90. calculus

    if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

    asked by Carlee
  91. calculus

    if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

    asked by Carlee
  92. Physics

    A 12.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 144 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses

    asked by Loucy
  93. health

    If a patient without a spleen compare to a patient with a spleen had a blood smear done it would most likely reveal, "many more fragile and old erythrocytes or many more bacteria. I have read and reread this and I keep finding these 2 now I am stuck help

    asked by bett
  94. calculus

    at which value of x does y=(x+1)(x-19)+7 takeon its minimum value?

    asked by Brenda
  95. Statistics

    How do you differentiate between equal and unequal variances when conducting a t-test for comparing two populations?

    asked by Rhea
  96. economics

    Which statement is the most accurate? A. Business activity in 1929 began to decline a few months before the stock market crash. B. The stock market crashed a few months before business activity began to decline. C. The stock market crashed at virtually the

    asked by tony
  97. economics

    There was an economic boom within one of two years after: A. both WWI and WWII. B. neither WWI nor WWII. C. WWI, but not WWII. D. WWII, but not WWI. I'm stuck between A and C. help?

    asked by tony
  98. Math

    A total of $11,000 was invested. Part of the $11,000 was invested at 4% and the rest invested at 7%. If the investments earn $680 per year, how much was invested at each rate?

    asked by Angela
  99. cost accounting

    it a medium-size manufacturer of bicycles. during the year a new line call "Radical" was made available to Frank customers. The break-even point for sales of Radical is 250,000 with a contrbution margin ratio of 40 percent. Assuming that the profit for the

    asked by joyce
  100. CMC/260

    Compare in 750 to 1,050 words the relationship of status and age to gender in the U.S. with the relationship of status and age to gender in another country.

    asked by Joe
  101. cost accounting

    market a new product for 2.00 a unit. fixed costs to manufacture this product are 100,000. the contribution margin is 40 percent. how many units must be sold to realize net income of 100,00 from this product?

    asked by joyce
  102. CMC/260

    I am writing a paper and need some help getting started. I was asked to, Compare in 750 to 1,050 words the relationship of status and age to gender in the U.S. with the relationship of status and age to gender in another country. I am confused about how to

    asked by Joe
  103. Calc

    Find the derivative of the function. f(x) = arctan (x/a)

    asked by Erica
  104. English

    Either the wall clock or our wristwatches (tell, tells) the correct time. tel

    asked by Clayton
  105. Calc

    Find the derivative of the function. h(x) = x^2 arctan x

    asked by Erica
  106. health

    Is government regulation neccessary for the effective delivery of health care in the U.S.?

    asked by jeanna
  107. Geometry

    A student asks how to find the shortest path between two points A and B on two different faces which are neither the top or bottom of a right rectangular prism, without leaving the prism. How do you respond?

    asked by Amanda
  108. Calc

    Find the derivative of the function. y = x arccos x - (sq. rt. (1 - x^2))

    asked by Erica
  109. Calc

    Verify the differentiation formula. d/dx[arcsin u] = u'/(sq. rt. (1-u^2))

    asked by Erica
  110. College Physics

    Finally, your friend's twin engine jet airplane lands. As it stands on the runway, you hear the sound of the engines getting louder and softer, rhythmically once every 2.3 s. The average frequency you hear is 3650 Hz. What are the differences between the

    asked by Anonymous
  111. college buisness

    What about today's society reinforces American civic values?

    asked by Yogi
  112. Chemistry

    Calculate the aqueous solubility (in milligrams per liter) of the following. The temperature is 20.°C in each case, the pressures are partial pressures of the gases. (a) air at 2.4 atm (b) He at 1.7 atm (c) He at 11 kPa There's also a table giving Henry's

    asked by Daiyo
  113. Research

    The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your reasoning

    asked by Gale
  114. parent

    A parent’s chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent?

    asked by Snoopy
  115. Math

    If $8,500 is invested at 6% compounded continuously, how long will it take to double the investment?

    asked by Bill
  116. Math

    If $8,500 is invested at 6% compounded continuously, how long will it take to double the investment? How long will it take the original investment to grow to $14,586.06

    asked by Bill
  117. ethics

    In the past two years what are some changes the U.S. has made concerning the treatment of Muslim and Arabic members of society?

    asked by nicole
  118. please help dont know how to solve

    The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its "resting" height of 1.1 m down to 0.1 m as the vaulter is slowed to a stop. (a) What is the time interval during which a vaulter who has

    asked by student
  119. spanish

    Miguel _____ que estudiar mucho y leer muchos libros

    asked by Amanda
  120. Trig

    a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?

    asked by Brian
  121. chemistry

    what is the wavelength of an electron traveling at 1.65% of the speed of light?

    asked by Jake
  122. Math

    an average sized female spider and a large spider can lay 2,100 egs at one time. The large spider lays 20 times the number of eggs as as the average sized spider. How many eggs does the average sized spider lay?

    asked by Anonymous
  123. social studies

    Between 1850 and 1950 the productivity of the average American farm worker: A. declined B. remained about the same C. doubled D. quadrupled I'm unsure which choice to choose? helpp

    asked by sara
  124. Math

    two sides of a triangle are equal. The third side is 3 less than the sum of the two equal sides. The perimeter is 31 inches. Find the length of each side

    asked by Allen
  125. chem

    What is the empirical formula for Ba(NO3)2

    asked by pete
  126. physics cant firgure this out

    A Carnot air conditioner maintains the temperature in a house at 298 K on a day when the temperature outside is 310 K. What is the coefficient of performance of the air conditioner?

    asked by peter
  127. eth

    Should United States government policy favor certain kinds of immigrants?

    asked by Anonymous
  128. please help me, physics

    Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 410 to 200 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include

    asked by leah
  129. social studies

    There was an economic boom within one or two years after: A. both WWI and WWII. B. neither WWI nor WWII. C. WWI, but not WWII. D. WWII, but not WWI. I'm stuck between A and C. help?

    asked by tony
  130. physics

    A simple pendulum has a length of 1.5 m and is pulled a distance y = 0.24 m to one side and then released. (Assume small angle.) What is the speed of the pendulum when it passes through the lowest point on its trajectory?

    asked by pete
  131. statistics

    The Redsox were accused of cheating their soda customers by not putting enough soda in the 12 ounce cup. When 15 cups were selected at random, they were found to have a mean of 11.7 ounces with a standard deviation of 0.5 ounces. At the .01 significance

    asked by Veronica Marie
  132. MATH

    Write an equation that represents away to break down the number. 1. 60 2. 54 3. 32

    asked by AUSTIN
  133. physics

    A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the track.what is it's average speed? average velocity?

    asked by Anonymous
  134. English

    Thank you for your corrections. Can you check these questions and answer them (if you can). 1) Do you happen to know the name of a website where I can improve my English speaking and listening skills? 2)I wonder if it would be possible to talk to some

    asked by Franco
  135. Political science

    Where can I get a short summary or statistics showing the success of Muslim Ameican businesses in the US?

    asked by Carolyn
  136. MATH

    you have 4 blue crayons, 2 red and 3 orange, what is the probablity of pulling a red crayon and then an orange without replacement?

    asked by BB
  137. English

    Hello. I need some lexical help. Is it possible to use such words as "vacation", "holiday" or their plural forms (vacations, holidays)in respect to Parliament: parliamentary...? Thank you very much for your attention and help.

    asked by Ilma
  138. World History

    1. As industry spread in the Second Industrial Revolution, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? Can

    asked by Sarah
  139. Health

    Why can the lack of universal health care coverage raise health care cost?

    asked by Pam
  140. math

    determine the number of scoops per coneso each of the 88 students at an ice cream party has a different pattern of chocolate and vanilla ice-cream scoops.

    asked by vic
  141. math

    what is 7+7-5x2+2-8

    asked by Kylee
  142. math

    Peter is interested in designing an experiment to test the probability of tossing a certain number on a fair cube. He will toss one cube 10 times in a row and count how many times the cube lands on the number 4. What is one aspect of this experiment he can

    asked by Anonymous
  143. algebra

    Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate. Find examples that support or refute your classmates’ answers to the discussion question. Provide additional similarities and differences between functions

    asked by Anonymous
  144. college

    Solve 9 tan x +5 =0, where 0

    asked by Ashley
  145. English

    1. I saw something very funny. 2. I saw something very fun. (Are both expressions correct? What is the difference between 'funny' and 'fun'? Thanks a lot.)

    asked by rfvv
  146. physical

    Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the element have very different melting temperatures and densities. Which is the unknown

    asked by Anonymous
  147. Physics

    Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up? the answer i got was 1.3%, please help if wrong (which it probably is).

    asked by ralph
  148. chemistry

    How many grams of AgNo3 are required to make 25 mL of a .80M solution?

    asked by Barbara
  149. Pre Calc

    f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy

    asked by Sara
  150. chemistry-Gases

    A girl breathes in a volume of 2 . 6L of air dives to a depth that has a temperature of -11 degrees Celcius What volume of air will she breathe in when she resurfaces to a temperature of 37 C???

    asked by Davia
  151. Chemistry

    Hi,may I have your help? I have posted a titration question that I'm trying to solve. The correct answer to the problem is 0.128 M, however,I have arrived at the answer: 0.000128 M. Here's the question: If 38.30 mL of 0.250 M NaOH is used to titrate 25.0

    asked by Cliff
  152. Math

    For y=f(x+2)- 3 write an equation of the asymptote to the graph. Is it y=(1/x) * (x+2)-3

    asked by Ralph
  153. Chemistry

    A chemistry lab experiment requires 34.0 g of silver nitrate. How many grams of a 23.1% by mass solution of silver nitrate should be used?

    asked by Anonymous
  154. mATH

    what are the LCM of 8 and 20

    asked by JESSICA
  155. Pre-Calculus

    What is the present value of a $1000 bond which pays $50 a year for 10 years, starting one year from now? Assume interest rate is 6% per year, compounded annually

    asked by Stacy
  156. MATH

    5/6+1/5T=4/6

    asked by JESSICA
  157. algebra 1

    1. The points L(4, 0),M(10, 0), and N(7, 5) form Triangle LMN. What is the sum of the slopes of the three sides of the triangle?

    asked by C.
  158. physics

    How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180°C to a liquid at 660°C (its melting point)? The latent heat of fusion for aluminum is 4.0x10^5 J/kg. I understand the Equation Q=mc times change it T would that be .55

    asked by maria
  159. marketing

    A firm's decisions regarding channel type, market exposure, and kinds of intermediaries would fall under the marketing mix variable of what?

    asked by Anonymous
  160. algebra

    What does x represent in this question 3x+-5=2x-12

    asked by bailey
  161. Physics

    A 7.0 kg bowling ball moves at 2.40 m/s. How fast must a 2.60 g Ping-Pong ball move so that the two balls have the same kinetic energy?

    asked by Kc
  162. Physics

    Determine the initial acceleration of a 1 kg solid aluminum chunk (density = 2,700 kg/m3) released from rest by a diver 10 m under the ocean.

    asked by Sam
  163. English

    Both my big brother and my sister (deliver, delivers) the morning paper. deliver

    asked by Clayton
  164. geometry

    Given a circle with the radius of 2, which is the degree measure of an arc whose length is 1/2 pi?

    asked by matt
  165. arithmetic

    the main street cinema holds 1,356 people. last saturday night they were sold out for two showings of super alien 5 there was a special price of 5$ for every seat for each showing how much money did the theatre take in that night

    asked by Anonymous
  166. tony

    Which statement is true? A. an entrepreneur is a person who lends money to someone else to start a business. B. Most Americans are entrepreneurs. C. No Americans are entrepreneurs. D. None is true. I'm stuck between A and D.

    asked by social studies
  167. Political science, collee

    President Bush has stated that if any non-democratic country's people seek freedom, America will stand with them. Freedom and democracy, however, takes several forms. What kind of democracy and freedom should a country that has never enjoyed these

    asked by Destiney