Popular questions and responses by scott
  1. College Physics

    A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface? I have no idea where to start with this problem.

    asked on February 6, 2011
  2. Organic Chemistry

    Q: Each of the solvent given should effectively separate one of the following mixtures by thin-layer chromatography. Match the appropriate solvent with the mixture that you would expect to separate well with that solvent. Select your solvent from the

    asked on March 7, 2009
  3. Math

    Heather has divided $8000 between two investments, one paying 8% and the other paying 6%. If the return on her investment is $550 how much does she have in the larger investment?

    asked on July 31, 2013
  4. Discount Notes

    Ron Prentice bought goods from shelly katz. on may 8, shelly gave ron a time extension on his bill by accepting a 3000.00, 8%, 180-day note. on august 16 shelly discounted the note at roseville bank at 9%. What proceeds does shelly katz receive? We are

    asked on March 16, 2008
  5. Promissory Notes

    On September 5, Sheffield Company Discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th Sunshine's discounted rate was 9%. What proceeds did Sheffield Company Receive?

    asked on March 15, 2008
  6. Math

    The scores on the GRE are normally distributed with a mean of 541 and a standard deviation of 89. Use the 68-95-99.7 rule to find the percentage of people taking the test who score between 363 and 541

    asked on April 17, 2017
  7. Physics

    A block with mass m = 2.00kg is placed against a spring on a frictionless incline with angle (30 degrees). (The block is not attached to the spring.) The spring with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. a.) What is the

    asked on October 31, 2010
  8. Intrest Problem

    Shawn Bixby borrowed 17000.00 on a 120-day, 12% note. After 65 days, Shawn paid 2000.00 on the note. On day 89, Shawn paid an additional 4000.00. What is the final balance due? Determine total intrest and ending balance due by the U.S. Rule. Use ordinary

    asked on March 8, 2008
  9. physics

    Calculate the speed of an 7.6×104 kg airliner with a kinetic energy of 1.2 × 109 J. Answer in units of m/s

    asked on November 22, 2012
  10. Accounting

    What would you pay for a $50,000 debenture bond that matures in 15 years and pays $5,000 a year in interest if you wanted to earn a yield of: (Round computations to 2 decimal places and use the rounded amounts to calculate the final answer. Round the final

    asked on September 29, 2010
  11. Promissory notes

    Hafers, an electrical supply company, sold 4800.00 of equipment to Jim Coates Wing, INC Coates signed a promissory note May 12 with 4.5% intrest. The due date was August 10. Short of funds, Hafers contacted Charter One Bank on July 20th the bank agreed to

    asked on March 16, 2008
  12. Chemistry

    If a gas effuses 1.618 times faster than Kr (molar mass = 83.8 g/mol) what is the molar mass of the gas?

    asked on April 18, 2018
  13. chemistry

    if 4.4 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?

    asked on November 21, 2011
  14. Math

    Write two numbers that have the given absolute value. 4 38 260 4092 I know one is 4 but do not know the second unless it is -4 Do not have no clue can someone explain?

    asked on April 6, 2011
  15. Chemistry

    Tooth enamel consist mainly of hydroxyapatite (Ca5(PO4)3(OH). When tine (II) Flouride is added to toothpaste it reacts with the enamel to product a more decay-resistant material fluorapatite (Ca(PO4)3F. The by-products of this reaction are tin (II) oxide

    asked on February 28, 2017
  16. Chemestry

    What is the rms speed of Cl2 molecules at 335 K?

    asked on October 11, 2018
  17. Algebra

    The boat travels 60 miles to an island and the same 60 miles coming back. Changes in the wind and tide made the average speed on the return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours, find the speed going to

    asked on August 1, 2015
  18. math

    Why does Zara have a good driving record?

    asked on April 26, 2015
  19. Biology

    Describe how enzymes affect chemical reactions and explain why this makes enzymes important to living things. I need help this will be on my test I am studying for.

    asked on August 28, 2013
  20. algebra

    two mechanics worked on a car the first mechanic worked for 15 hours and the second mechanic worked for 5 hours together they charged a total of 1525 what was the rate charged per hour by each mechanic if the sum of the two rates was 175 per hour

    asked on November 3, 2015
  21. Chemistry

    Silicon Carbide, SiC, is prepared by heating silicon dioxide in the presence of graphite. Carbon dioxide is the by-product of the reaction. How many grams of silicon carbide can be formed from the reaction of 50.0 grams fo graphite with 50.0 grams of

    asked on February 27, 2017
  22. physics

    Salmon often jump waterfalls to reach their breeding grounds. Starting 1.77 m from a waterfall 0.253 m in height, at what minimum speed must a salmon jumping at an angle of 44.8 leave the water to continue upstream? The acceleration due to gravity is 9.81

    asked on October 16, 2012
  23. Intrest Problem

    Carol Miller went to Europe and forgot to pay her 740.00 mortgage payment on her New Hampshire ski house. For her 59 days overdue on her payment, the bank charged her a penalty of 15 dollars. What was the rate of intrest charged by the bank? Round to the

    asked on March 8, 2008
  24. english

    What grammatical structure is the italicized portion of the sentence? My most valuable coin, one from Spain, is worth more than $100.00.

    asked on April 26, 2012
  25. Grade 12 Calculus and Vectors

    A homeowner wants to enclose a rectangular garden with fencing The garden will be adjacent to his neighbours lot. There will be fencing on all four sides. His neighbour will be paying for half of the shared fence. What should the dimensions of the garden

    asked on May 17, 2016
  26. simple intrest

    ON September 14th Jennifer Rick went to a park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on January 27th Assume the loan is on the ordinary intrest. What intrest will Jennifer own on Jan 27th What is the total amount

    asked on March 8, 2008
  27. physics

    A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 173 N at an angle of 27.5 above the horizontal. The box has a mass of 27 kg, and μk between the box and the floor is 0.2. The

    asked on November 6, 2012
  28. Math

    The volume of a rectangular pyramid is 4,000 cubic feet. The area of the base is 40 square feet. What is the height of the pyramid?

    asked on February 14, 2018
  29. Promissory notes

    Rex corporation accepted a 5000.00, 8%, 120-day dated August 8 from Regis company in settlement of a past bill. On October 11, Rex discounted the note at Park Bank at 9%. What are the notes Maturity value, Discount Period, and bank discount? What proceeds

    asked on March 16, 2008
  30. Calculus

    In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of confidence). Which

    asked on April 9, 2015
  31. Math (probability)

    Real Estate ads suggest that 50% of homes for sale have garages, 24% have swimming pools, and 11% have both. If a home for sale has a garage, what's the probability that it has a pool too? Write as a decimal.

    asked on July 27, 2013
  32. Discount Notes

    On september 5, sheffield company discounted at Sunshine bank a 9000.00 (Maturity Value), 120-day note dated June 5, Shunshine's discount rate was 9% What proceeds did sheffield company receive

    asked on March 15, 2008
  33. Math-definition

    What is the prime factorization of a number?

    asked on February 4, 2010
  34. physics

    Consider the 57 N weight held by two cables shown below. The left-hand cable is horizon- tal. 57 N 52 a) What is the tension in the cable slanted at an angle of 52? Answer in units of N

    asked on November 6, 2012
  35. english

    Which sentence is punctuated correctly? a.“Thunder is good,” said Mark Twain, “But it is lightning that does the work.” b.“Thunder is good, said Mark Twain, but it is lightning that does the work.” c.“Thunder is good,” said Mark Twain,

    asked on December 9, 2015
  36. College Physics II

    Identical isolated conducting spheres 1 and 2 have equal charges and are separated by a distance that is large compared with their diameters. The electrostatic force acting on sphere 2 due to sphere 1 is F. Suppose now that a third identical sphere 3,

    asked on January 23, 2011
  37. Organic Chemistry

    How would you purify Fluorene contaminated with ethyl-4-aminobenzoate? What method and solvent you would use? Please help...

    asked on March 2, 2009
  38. Biochemistry

    Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was added (to remove water I learned) and if a reaction took place. Can someone help? Thanks!

    asked on November 26, 2008
  39. physics

    a tennis ball is dropped from 1.30 meters above the ground. it rebounds to a height of 1.00 meters. How do I find with what velocity does the ball hit the ground. With what velocity does it leave the ground, and if the tennis ball were in contact with the

    asked on October 14, 2009
  40. math

    how many ways can a 3 person subcommittee be selected from a committee of 7 people

    asked on July 31, 2013
  41. Chemistry

    A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.28 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

    asked on March 22, 2011
  42. algebra

    tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current. speed of tugboat is speed of the current is

    asked on March 30, 2012
  43. statistics

    A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. a. What proportion of students

    asked on October 20, 2011
  44. armore christian

    what type of note is written by vacationers

    asked on February 3, 2009
  45. College Physics

    A block with mass m = 2.00kg is placed against a spring on a frictionless incline with angle (30 degrees). (The block is not attached to the spring.) The spring with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. a.) What is the

    asked on October 31, 2010
  46. Literature

    Over the course of The Screwtape Letters, the state of the patient's soul fluctuates as he experiences a conversion, doubt, dangerous friendships, war, love, and finally, in death, oneness with God. What major strategies does Screwtape use to tempt the

    asked on March 28, 2011
  47. CRJ

    1. Which of the following was an impact on policing as a result of WWII? (Points : 1) The Pendelton Act An increase in educational requirements for police A shortage of experienced officers The adoption of residency requirements for police Question 2. 2.

    asked on May 4, 2014
  48. Math

    simplify (cos4x-cos2x)/(sin4x+sin2x) the answer choices are : cotx, tanx, cotxtanx, or 1

    asked on July 11, 2011
  49. Intrest problem

    Abe Wolf bought a new kitchen set at sears. Abe paid off the loan after 60 days with an intrest change of 9 dollars. If sears charges 10% interest, what did Abe pay for the Kitchen set Assume 360 days

    asked on March 8, 2008
  50. home school

    In which of the following are 1/2,5/6, and 5/8 arranged in ascending order?

    asked on March 13, 2016
  51. Physics

    A person whose mass is m = 96.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 15.3° with the horizontal. What is the reading on the scale?

    asked on May 28, 2015
  52. Physics

    An athlete swims the length of a 46.0 m pool in 21.0 s and makes the return trip to the starting position in 23.0 s. Determine her average velocities in each of the following below. (Take Δx to be positive when the displacement is in the direction she

    asked on February 2, 2011
  53. Biology

    I really need help with my science lab. I was sick when we did the lab on Thursday and Friday was a snowday so I did not get to get the observations off my peers. My teacher has allowed people one more day and I do not understand this Lab at all. If

    asked on March 5, 2007
  54. math

    The area if a rectangle is x3y4. Which expression represents the length if the width is x2y

    asked on May 24, 2016
  55. Statistics

    Sammy and Sally each carry a bag containing a banana, a chocolate bar, and a licorice stick. Simultaneously, they take out a single food item and consume it. The possible pairs of food items that Sally and Sammy consumed are as follows. chocolate bar -

    asked on April 13, 2015
  56. Simple intrest

    Bill Moore is buying a van. His April Monthly intrest at 12% was $125.00 What was Bills principal balance at the beginning of April Uese 360 days

    asked on March 8, 2008
  57. Math

    1. Iodine-131 is used to find leaks in water pipes it has a half life of 8.14 days. If 36 days have passed and there is now 2.34g left. What is the initial amount? 2. Sr-85 is used in bone scans and has a half life of 64.9 days. If there is 23 percent of

    asked on April 19, 2018
  58. physics

    A 3 kg block is attached to an ideal spring with a force constant k=200 N/m. The block is given an initial velocity in the positive direction of magnitude u= 12 m/s and no initial displacement (xi=0). Find a) the amplitude, b) the phase angle, and c) write

    asked on April 16, 2018
  59. Math

    How do I figure out the height of a triangle? The height of a triangle is defined as the perpendicular distance from an angle to a side. Now, since this is a right triangle, and depending on how it is situated, the height could be 10" or 12" if you observe

    asked on July 18, 2007
  60. Science

    A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?

    asked on June 18, 2010
  61. physics

    A metal sphere has a charge of +6.4 C. What is the net charge after 4.1 x 1013 electrons have been placed on it?

    asked on October 11, 2011
  62. physics

    A flight attendant pulls her 74.2 N flight bag a distance of 324 m along a level airport floor at a constant velocity. The force she exerts is 37.9 N at an angle of 55.2 above the horizon- tal. a) Find the work she does on the flight bag. Answer in units

    asked on November 22, 2012
  63. Math - Trig

    Two buildings of equal height are 850 feet apart. An observer on the street between the buildings measures the angles of elevation to the tops of the buildings as 29° and 40°. How​ high, to the nearest​ foot, are the​ buildings? I don't know how to

    asked on March 5, 2017
  64. physics

    A body is projected at an angle of 30degree to the horizontal with a velocity of 150metre per seconds.Calculate the time it takes to reach the greatest height,take g=10metre per seconds square and neglect air resistance.

    asked on June 18, 2015
  65. physics

    A bullet is fired through a wooden board with a thickness of 8.0 cm. The bullet hits the board perpendicular to it, and with a speed of +350 m/s. The bullet then emerges on the other side of the board with a speed of +210 m/s. Assuming constant

    asked on September 11, 2014
  66. Discount Notes

    On september 5, sheffield company discounted at Sunshine bank a 9000.00 (Maturity Value), 120-day note dated June 5, Shunshine's discount rate was 9% What proceeds did sheffield company receive

    asked on March 15, 2008
  67. Chemistry

    A scientist studying the reaction between decaborane (B10H18) and oxygen mixed 1.00 x 10^2 grams of decaborane with 2.75 x 10^2 grams of oxygen. Compute the masses of all substance present after the reaction went ot completion, generating B2O2 and water as

    asked on February 27, 2017
  68. Physics

    A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift?

    asked on March 28, 2016
  69. math

    The Holy Father sent a courier from Rome to Venice, commanding him that he should reach Venice in 7 days. The most illustrious Signoria of Venice also sent another courier to Rome, who should reach Rome in 9 days. And from Rome to Venice is 250 miles. It

    asked on October 7, 2016
  70. Thermodynamics

    The Rankine temperature scale assigns a numerical value of exactly 491.67 R to the triple point of water. The ratio of two temperatures is defined as the limiting ratio, as PTP → 0, of the corresponding pressures of a gas kept at constant volume. (a)

    asked on February 26, 2019
  71. Calculus

    Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which

    asked on April 9, 2015
  72. Promissory notes

    On May 12, Scott Rinse accepted an 8000.00, 12%, 90-day note for a time extension of a bill for goods bought by Ron Prentice. On June 12, Scott discounted the note at Able Bank at 10%. What proceeds will Hafers Receive? Please use 360 and not 365

    asked on March 16, 2008
  73. Algebra

    A man paid $7.80 for 5 The grams of peanuts and 3 kg of walnuts. Walnuts are $.20 a kilogram more than peanuts how much did she pay per kilogram for each

    asked on March 21, 2016
  74. Physics

    Two people carry a heavy electric motor by placing it on a light board 2 meters in length. One person lifts at one end with a force of 700 N, and the other lifts the opposite end with a force of 500 N. What is the weight of the motor, where along the board

    asked on April 16, 2018
  75. Physics

    In Young's experiment a mixture of orange light (611 nm) and blue light (471 nm) shines on the double slit. The centers of the first-order bright blue fringes lie at the outer edges of a screen that is located 0.423 m away from the slits. However, the

    asked on March 26, 2018
  76. physics

    A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.3 s, starting from rest?

    asked on November 3, 2012
  77. Intrest

    On Sept 14 Jennifer Rick went to park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on Janauary 27th Assume the loan is on ordinary intrest. What intrest will Jennifer owe on January 27th What is the total amount Jennifer must

    asked on March 8, 2008
  78. Physics

    The rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the water. The sudden converse of water to water vapor causes a dramatic expansion that can rip apart shoes. Water has density 1000 kg/m^3 and requires 2256

    asked on February 24, 2011
  79. math

    in a group of 180 person composed of men, women and children there are twice as many men as women and three times as many women as children. how many are there each?

    asked on November 9, 2014
  80. Math

    Mara finished 1/5 of her assignment on Saturday and 3/8 of her assignment on Sunday. What fraction of her assignment did she complete on Saturday and Sunday? --Thank you!--

    asked on September 30, 2015
  81. algebra

    an investor invested a total of 1,600 in 2 mutual funds.One fund earned a 6% profit while the other earned a 2% profit. If the investors profit was $56, how much was invested in each mutual fund. amount invested in mutual fund that earned 6% was___ amount

    asked on March 30, 2012
  82. Intro Buss

    1. ted, Eric's supervisor, needs to set up a performance appraisal for Eric. ted is gathering documentation and reviewing his calendar for availability. which step is this in the performance appraisal process. A. scheduling the appraisal in advance

    asked on April 8, 2020
  83. math

    Determine whether a figure with the given vertices is a parallelogram. Use the method indicated. A(3, − 9), B(10, 1), C(4, 10), D(−9, 3); Distance and Slope Formulas

    asked on February 11, 2018
  84. math

    You brought home 1/2 of a can of paint. You then used 2/3 of the paint to cover a table top. What fraction of a full can of paint did you use? We are multiplying fraction but do I multiply 2/3 paint by 1/1 or do I do 1/2 by 2/3

    asked on May 2, 2011
  85. Physics

    The angular position of a point on the rim of a rotating wheel is given by Theta = 4.0t-3t^2+t^3, where theta is in radians and t is in seconds. At t=0, what are (a.) the point's angular position and (b.) its angular velocity? (c.) What is its angular

    asked on November 7, 2010
  86. physics

    Consider a pendulum of length 4.720 m. The acceleration of gravity is 9 . 832 m / s 2 . a) What is its period at the North Pole? Answer in units of s 009 (part 2 of 6) 10.0 points b) What is its frequency? Answer in units of Hz

    asked on March 17, 2013
  87. physics

    A block starts at rest and slides down a fric- tionless track. The acceleration of gravity is 9.81 m/s2 . It leaves the track horizontally, striking the ground (as shown in the figure above). b b b b b b b b b b b b 502 g h 2.2 m 4.4 m 9.81 m/s2 a) At what

    asked on December 3, 2012
  88. physics

    A 10 g particle undergoes Simple Harmonic Motion with an amplitude of 2.0 mm, a maximum acceleration of magnitude 8.0 X 10^3 m/s^2, and an unknown phase constant, theta. What are a.) the period of the motion, b.) the maximum speed of the particle, and c.)

    asked on November 30, 2010
  89. Organic Chemistry

    How would you purify biphenyl contaminated with fluorene? What method and solvent would you use?

    asked on March 1, 2009
  90. Promissory notes

    Annika Scholten bought a 10,000.00, 13-week treasury bill at 5%. What is her effective rate? Round to the nearest hundredth percent. use 360 days and not 365

    asked on March 16, 2008
  91. Spanish-7th grade

    How do I answer this question? ¿Qué haces los lunes a las diez de la mañana? Hago estudio. Hago escribo Escucho a la maestra. Hago miro la televisión.

    asked on February 1, 2011
  92. Stats

    There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

    asked on October 9, 2010
  93. LEA201

    Conduct an analysis of community policing with regard to the impacts pertaining to law enforcement administration. Thoroughly compare and contrast the aspects of community policing that are significantly influenced by the public interaction and political

    asked on May 1, 2014
  94. Discount Note

    On September 5, Sheffield company discounted at sunshine bank a 9000.00 Maturity value, 120-day note dated June 5, shushines discount rate was 9%. What proceeds did sheffield company receive? Use the 360 days

    asked on March 16, 2008
  95. physics

    A steam engine’s boiler completely converts 151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as heat. If steam escaping through a safety valve does 1.66 × 108 J of work expanding against the outside atmosphere, what is the

    asked on February 19, 2013
  96. Algebra


    asked on December 2, 2009
  97. Simple Intrest

    ON September 14th Jennifer Rick went to a park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on January 27th Assume the loan is on the ordinary intrest. What intrest will Jennifer own on Jan 27th What is the total amount

    asked on March 8, 2008
  98. Statistics

    The manager of a company wants to investigate job satisfaction among its employees. One morning after a meeting, she talks to all 25 employees who attended. Does this sampling plan result in a random sample? What type of sample is it? Explain.

    asked on May 13, 2015
  99. physics

    I have 2 questions: Assuming that water has a density of exactly 1 g/cm3, find the mass of one cubic meter of water in kilograms. Suppose that it takes 10.0 h to drain a container of 5700m3 of water. What is the "mass flow rate," in kilograms per second,

    asked on September 2, 2010
  100. Physics

    Two packing crates of masses m1 = 10.0 kg and m2 = 6.50 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 6.50 kg crate lies on a smooth incline of angle 39.0°. a)Find the acceleration of the 6.50 kg crate.

    asked on September 24, 2008


  1. 1
  2. 2
  3. 3
  4. 4