Most popular questions and responses by ron
  1. english

    which of the following is an example of an adverbial clause fragment? 1.Wherever there is a chance for a fabulous meal,2. who described the book as a compelling masterpiece or 3.that the poet choose words carefuly to convey a particular tone. I think it is

    asked on December 3, 2011

    2. Two electronics technicians are looking at the technical manual for a piece of electronic equipment. The manual refers to a particular resistor as a “2.2 megohm resistor.” Technician A says that this means that the resistance value of the resistor

    asked on July 19, 2012
  3. chemistry 2

    A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?

    asked on April 18, 2008
  4. Algebra

    Please let me know if i answered these correctly thanks 1.Which property of the real numbers is illustrated by the following statement? 4(3x) = (4 ∙ 3)x answer: distributive property 2. Which property of the real numbers is illustrated by the following

    asked on August 3, 2012
  5. chemistry

    Nitrous acid, HNO2, has a Ka of 7.1 x 10^-4. what are [H3O+], [NO2-], and [OH-] in .920 M HNO2?

    asked on November 15, 2010
  6. Physics

    Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 4.43 m/s, while Jane takes off in a direction 60.2o north of east at 5.07 m/s. How long is it before they are 24.7 m apart?

    asked on March 3, 2016
  7. chemistry buffers

    What molar ratio of HPO4 2- to H2PO4 - in solution would produce a pH of 7.0? Phosphoric acid (H3PO4), a triprotonic acid, has pKa values: 2.14, 6.86, and 12.4. Only one of the pKa values is relevant here. how do i know which pka value to use.. please

    asked on September 9, 2012
  8. ab calculus

    Air is being blown into a spherical balloon at the rate of 75 cm3/s. Determine the rate at which the radius of the balloon is increasing when the radius is 28 cm.

    asked on October 26, 2016
  9. Physics

    A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the

    asked on October 13, 2008
  10. Trig

    The Leaning Tower of Pisa is 55m tall. The tope edge of the tower is 5m out from the bottom edge. What is the angle created between the ground and the tower? Round your answer to the nearest degree. tan -1 (55/5) = 85 degrees but my Brother says I did it

    asked on January 29, 2016
  11. math

    a) What is the area of the tri-angle determined by the lines y= − 1/ 2x + 5,y =6x and they-axis? (b) If b > 0 and m < 0, then the line y = mx +b cuts off a triangle from the first quadrant. Express the area of that tri-angle in terms ofm andb. (c) The

    asked on October 2, 2011
  12. Physics(quick Check)

    i am not sure if i am correct. A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what direction so that the resultant of the two forces points westward? A: southeasterly It is from the southeasterly direction rite

    asked on October 1, 2009
  13. Algebra

    A rectangular field is four times as long as it is wide. If the perimeter of the field is 400 yards, what are the fields dimensions? The width of the rectangular field is ____ yards.

    asked on October 29, 2015
  14. Geometry

    In a right prism whose bases are regular hexagons what is the measure of the dihedral angle between adjacent lateral faces?

    asked on January 25, 2010
  15. Physics Help..

    A small cube (m=0.290 kg) is at a height of 261 cm up a frictionless track which has a loop of radius, R = 28.71 cm at the bottom. The cube starts from rest and slides freely down the ramp and around the loop. Find the speed of the block when it is at the

    asked on February 12, 2014
  16. chem 203

    Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.

    asked on April 13, 2008
  17. Algebra

    Suppose a box is to be constructed from a square piece of material of side length x by cutting out a 3-inch square from each corner and turning up the sides. Express the volume of the box as a polynomial in the variable x

    asked on September 15, 2015
  18. physics

    A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. After 18.0 s, the wheels have made 190 rev. What is the angular acceleration of the wheels? What is the angular velocity of the wheels after 18.0

    asked on April 25, 2016
  19. Chemistry

    A gas weighing 23.6 g occupies a 10.0 L flask at 27 C and 780. torr of pressure. Calculate the molar mass of the gas.

    asked on November 23, 2015
  20. pre-calculus

    An urn contains 7 red marbles labeled (1,2,3,4,5,6,7) and 5 green marbles labeled (1,2,3,4,5) four marbles are pulled out at once. what is the probability. A. all four marbles are red B. more of the marbles are green than red C. both red and green marbles

    asked on May 16, 2011
  21. Math

    Justin had 5 packages with 8 bottles of water in each package. He drank some of the bottles before the trip. During the trip, he drank 5 bottles a day. He drank all of the bottles before he went home. How many bottles of water did Justin drink before the

    asked on November 3, 2015
  22. english

    When you write in second person, you’re acting the part of a/an A. critic. B. observer. C. participant. D. advocate.

    asked on October 16, 2015
  23. chemistry

    You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the smallest number of moles?

    asked on June 3, 2013
  24. History

    Was Hitler one of the reasons why World War II began? Yes, because he threatened world peace as a dictator when he and Germany showed agression against other countries; shortly after, WWII

    asked on April 30, 2007
  25. MATH

    1/2 - 1/64 =

    asked on February 12, 2019
  26. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.

    asked on November 17, 2009
  27. chem

    Predict the order of the increasing vapor pressure for the following compounds: FCH2CH2F FCH2CH2OH HOCH2CH2OH Result:the order its written that the oreder it's increasing but im not sure

    asked on June 11, 2007
  28. physics

    Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two.

    asked on April 29, 2007
  29. Microbiology

    What is the diferece between a partial diploid clone and a partial diploid cell?

    asked on November 13, 2006
  30. Precalc

    1) Janet is offered a job with a starting salary of $15,000, and a guaranteed annual increase of $600. If she takes the job, what will be her guaranteed salary for the 10th year? What would her total earnings be for the first 10 years? Answer: $21,000 ; $

    asked on November 12, 2015
  31. English

    Does anybody know the author to the poem The Tide Risen the Tide Falls? by: Henry Wadsworth Longfellow

    asked on January 9, 2007
  32. statistics

    6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11. This means that A. in every 100 bridge deals, each player has one ace exactly 11 times. B. in one million bridge deals, the number

    asked on November 1, 2011
  33. Physics

    Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 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 on April 19, 2008
  34. math

    2 4 6 8 -1 2 4 3 4 -4 0 0 -2 1 0 0 0 0 0 0 piviot the system about the element in row 2 colum 1 enter the augmented matrix with the cell in their original position

    asked on January 24, 2019
  35. history

    In the context of criminal punishment, desert refers to:

    asked on May 30, 2016
  36. Physics

    The crankshaft of an engine increases its spin from 1,200 rpm to 1,500 rpm in 0.50 s. What is its angular acceleration

    asked on December 11, 2014
  37. physics

    a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second Squared to a full stop. Approximately how far does the roller coaster travel during its deceleration?

    asked on September 17, 2010
  38. statistics

    below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got cs?list their test

    asked on October 4, 2011
  39. English

    Determine whether the statement represents a progressive view or a traditional view of literature. 1.There is no such thing as classic literature. 2.Literature can only be understood in the context of history. 3.Harry Potter books are not literature.

    asked on January 24, 2011
  40. pre calculus

    A state makes auto license plates that have two letters (excluding I, 0, and Q) followed by four digits of which the first digit is not zero. How many different license plates are possible?

    asked on March 30, 2010
  41. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 4HNO3 -->

    asked on November 17, 2009
  42. Spanish II

    Fill in the blank with the correct conjugation of the verb in parentheses. ¿Cuándo (regresar) mi tía de México? A)regresamos B)regresan C)regreso D)regresa (There are more, help needed before Friday please.)

    asked on November 3, 2015
  43. Math

    When you divide a whole number by a fraction with a numerator of 1 explain how you can find the quotient?

    asked on January 23, 2013
  44. Com 155

    I need to know if I have found the errors for an assignment. Thanks! I put the corrections in parenthesis. Comparative forms of superlative adjectives: Since 1995, the third week in April has been TV-Turnoff week. A not-for-profit group in Washington,

    asked on October 29, 2010
  45. chemistry grade 12

    Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.

    asked on November 17, 2009
  46. chemistry

    How many grams of carbon dioxide will form if 4.4 g of propane reacts with 16.0 g of oxygen producing 7.2 g of water?

    asked on May 20, 2013
  47. chem -please help!!!!!!!!!!!!

    An unknown compound, X, is though to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa between 5 and 8. When 75 mL of 0.1M NaOH is added to 100 mL of a 0.1M solution of X at pH 2.0, the pH increases to 6.72. Calculate the pKa

    asked on September 10, 2012
  48. math

    Angela, Mary and Tiff are all standing near the intersection of University and 42nd streets. Mary and Tiff do not move, but Angela runs toward Tiff at12 ft/sec along a straight line, as pictured. Assume the roads are50 feet wide and Tiff is60 feet north of

    asked on October 1, 2011
  49. Physical Science

    Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate. What does this suggest about the importance of temperature-regulating

    asked on July 31, 2011
  50. Physics

    A motorist travels 1600 m at 80 m/s and 750 m at 100 m/s. What is the average speed of the motorist for this trip.

    asked on December 12, 2012
  51. physics

    Four point masses, each of mass 2.0 $kg$ are placed at the corners of a square of side 1.4 $m$. Find the moment of inertia of this system about an axis that is perpendicular to the plane of the square and passes through one of the masses. The system is set

    asked on April 25, 2016
  52. Math

    Sue has 8 yards of twine she cuts the twine into equal pieces of 3/4 feet each how many pieces can he cut?

    asked on January 23, 2013


    asked on January 5, 2011
  54. statistics

    The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is the probability that their mean time for playing games is more than 8 hours per week?

    asked on November 2, 2011
  55. english

    I'm having trouble with identifying the word in parathesis in the sentence- The Puritans considered buttons a (sign) of vanity.I think buttons is the direct object and sign a predicate adjective.

    asked on September 21, 2011
  56. physical science

    A moving vehicle changes speed from 10 m/s to 35 m/s in only 5 seconds. What would be the acceleration rate of this vehicle?

    asked on September 7, 2011
  57. chemistry grade 12

    Thanks DrBob222 for previous answers. Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O

    asked on November 17, 2009
  58. Fedora

    . If /home/jenny/draft and /home/alex/letter are links to the same file and the following sequence of events occurs, what will be the date in the opening of the letter? __________ a. Alex gives the command vim letter. b. Jenny gives the command vim draft.

    asked on November 7, 2013
  59. calculus

    A 13 foot ladder leaning against a wall makes an angle of degree radians with the ground. The base of the ladder is pulled away from the wall at a rate of 2ft/sec. How fast is degree changing when the base of the ladder is 5 feet way.

    asked on November 4, 2012
  60. DrBob222 : need help with the problem

    An unknown compound, X, is though to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa between 5 and 8. When 75 mL of 0.1M NaOH is added to 100 mL of a 0.1M solution of X at pH 2.0, the pH increases to 6.72. Calculate the pKa

    asked on September 11, 2012
  61. English lll

    Which of the following statements about Anne Bradstreet is NOT true?

    asked on August 19, 2012
  62. Physical Science

    why does the maximum initial reaction rate cannot be reached at low substrate concentrations.

    asked on August 1, 2011
  63. algebra

    6.67x10-11 nm2/kg2 write the gravitational constant using positive exponents

    asked on January 4, 2011
  64. English

    Yes, A rasin in the sun by Lorraine Hansberry OK what is your question? Are you looking for a theme? do you have any questions that need to be answered, cuz I have a whole list of them for every act First off thank you for helping me! This the? What are

    asked on April 27, 2007
  65. Math

    I don't want the answer I want to know how you solve the problem! A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels

    asked on April 9, 2007
  66. Calculus

    A wire of length 12 meter is cut into two parts; one part is bent to form a square, and the other is bent to form an equilateral triangle. Where the cut cut should be made if a) the sum of the two areas is to be a maximum? b) the sum of the two areas is be

    asked on October 30, 2014
  67. crim procedure

    Which of the following rights is dependent upon whether formal charges have been filed or a criminal prosecution has begun? Answer the Fourth Amendment protection against unreasonable search and seizure the Fifth Amendment privilege against

    asked on November 11, 2012
  68. Chemistry

    I have a question regarding the titration curve. When the ph is equal pKa that mean there are equal amount of conjugate acid to conjugate base. When a weak acid dissociates for example H3Po4 H+ H2PO4- My problem: I don’t understand how the ph rises

    asked on September 13, 2012
  69. Business Communication

    Which of the following is NOT an example of parallel structure? A. "Yoga can help you develop flexibility, reduce stress, and increase relaxation." B. "Learn how to analyze business audiences, improve your style, and edit thoroughly." C. "You are all

    asked on July 29, 2012
  70. Physics

    An arrow is shot into the air at a velocity of 25 m/s and an angle of 32 degrees above horizontal. It lands at the same level that it was shot from. How long is the arrow in air? How far does the arrow travel?

    asked on October 17, 2012
  71. Engllish

    What conclusion can you draw about Samuel Pepys from his account of the Great Fire of London? A. He maintained relations with all social strate. B He became the spokesperson of the aristocracy. C he felt responsible for organizing rescue issions. I think

    asked on December 18, 2011
  72. math

    with a mean of 515 and a standard deviation of 135, what percentage score 110-515 using the 68-95-99.7 rule

    asked on October 26, 2011
  73. busness math

    two vendors are competing for your busness.vendor A is offering you a 6/8/12 discount and vendor B is offering a discount of 7/9/10.what is the single equivalent discount being offered by each vendor(round to the nearest hundredth percent)

    asked on June 3, 2011
  74. Physics

    The brakes on a parked car fall and it accelerates at a constant rate, rolling into a lamp post down the hill. the car reaches a velocity of 4.3m/s by the time it smashes into the lamp post. The time between the brakes failing and the smashing of the car

    asked on April 18, 2011
  75. accounting

    Why might an analyst incorporate the industry-market-size factor and the interrelationships among the growth, price-recovery, and productivity components into a strategic analysis of operating income?

    asked on February 2, 2011
  76. math

    Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers

    asked on May 28, 2007
  77. Science

    An airplane is traveling 725 m/s at 48.8° degrees north of west when a wind starts to blow. The velocity of the wind is 106.7 m/s and it is blowing 21.8° east of north. What is the speed of the airplane relative to the ground?

    asked on December 2, 2015
  78. Discrete Math

    Let n be positive integer greater than 1. We call n prime if the only positive integers that (exactly) divide n are 1 and n itself. For example, the first seven primes are 2, 3, 5, 7, 11, 13 and 17. (We should learn more about primes in Chapter 4.) Use the

    asked on April 5, 2013
  79. Math

    Name the vertices of a square whose angles are f,g,a,l

    asked on February 12, 2013
  80. verb usage

    In the sentence: The Romans,too,----- ceremonial dancing to Italy from Greece, used it in theatrical performances. The answers are: a.Have brought, b.having brought, c.brought, d. had brought. I think the answer is b. having brought but am not sure. If

    asked on December 15, 2011
  81. english

    I'm having trouble determining which is the correct punctuation of the sentence: The Dutch master Rembrandt is famous for his self-portrait. I think a comma should be after master and Rembrandt like this- The Dutch master, Rembrandt, is famous for his

    asked on October 9, 2011
  82. Finance

    Equipment cost $625,000, salvage value $50,000 at end of 10 yrs. Probability .15 Cash Flow $60,000, .25 $85,000, .45 110,000, .15 130,000 What is expect cash flow, How do I stretch out for 10 years do I multiply about out get that total and get PV from

    asked on October 5, 2011
  83. Physics

    The deceleration(negative acceleration) of an automobile in a full skid on the dr pavement is a little greater than one half "g" or half the acceleration you would experience in free fall. Suppose you are going down the high way and you suddenly decide you

    asked on April 18, 2011
  84. math

    Please help me I'm stuck on this one: (5x4)-2=12+ I'll try (5x4) 20-2=12+ answer 18 or (5x4) 20-2=18 12+18=30 Really I don't think either is right

    asked on March 8, 2011
  85. Math

    Suppose f(n+1)/f(n)= n for all positive integers of n. If f (1)=1, find the numerical value of f(6). How do i figure out this?

    asked on January 26, 2011
  86. Chemistry

    Does the solid Zn(OH)2 dissolve when concentrated lye, NaOH solution, is added to a beaker containing a saturated solution of Zn (OH)2 and a small amount of Zn(OH)2?

    asked on May 5, 2010
  87. chemistry grade 12

    Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 10HNO3

    asked on November 19, 2009
  88. english

    I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the

    asked on October 31, 2009
  89. Physics

    The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but

    asked on April 19, 2008
  90. Math

    A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy? A 6 B 8 C 9 D 12 D 12

    asked on April 9, 2007
  91. math

    If you have a square blanket and it's 130 square inches. How long is one side in furlongs?

    asked on October 9, 2017
  92. Calculus

    find the extremum of f(x,y) subject to the given constraint, and state wether it is a maximum or minimum. 4y^2-29x^2; 3x+y=21

    asked on October 7, 2016
  93. consumer math

    The Jones hope to accumulate $12000 for a sunroom over the next 6 yrs. How much would they need to invest right now at 3.9% compounded quarterly to reach goal? Please help

    asked on April 9, 2016
  94. Multiplication of fractions

    60 people can receive a single slice of pizza,how many people can receive a single slice of pizza if 7 pizzas are purchased?

    asked on February 9, 2016
  95. Physics

    A 25.2 kg block of wood is pulled across a floor at a constant 9.74 m/s with a constant 62.7 N force. The bottom of the box has a surface area of 65.1 cm2. If the block was put on its side (which has twice the surface area of the bottom) and pulled with

    asked on January 4, 2016
  96. Science

    A boat moving at 8.9 km/hr relative to the water is crossing a river 4.6 km wide in which the current is flowing at 2.4 km/hr. At what angle upstream should the boat head to reach a point on the other shore directly opposite the starting point?

    asked on December 2, 2015
  97. economics

    An investor sells a stock short for $36 a share. A year later the investor cover the position at $30 a share. If the margin requirement is 60% what is the oercentage return earned on the investment? now assume the price is at $42 when the investor closes

    asked on January 19, 2014
  98. MATH

    if john spent $130 and matt spent $480, john will have three times as much money left as matt. both boy's started with the same amount of money. how much money did each boy's start with ?

    asked on October 2, 2013
  99. Math

    If you have 8 yards of twine and you cut the twine into 3/4 pieces each . How many pieces can you cut?

    asked on January 23, 2013
  100. Business communication

    Which of the following is NOT one of the three steps to take when audience benefits are hard to identify or develop? A. Identify the feelings, fears, and needs that may motivate your audience. B. Identify the objective features of your product or policy

    asked on July 29, 2012


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