Popular questions and responses by James
  1. math

    If Owen gives $40 to Charley, the will have an equal amount of money. If Charley gives $80 to Owen, the ratio of Owen's money to Charley's money will be 4-1.How much money does Owen have in the beginning? Work: I don't have much but X=Owen C=charley X=C-40

    asked on February 26, 2015
  2. history

    Which was a contributing factor in President Truman’s decision to drop the atomic bomb? The president needed to experiment with the impact of atomic weapons on a military target. The president wanted to display the might of the United States military to

    asked on August 14, 2018
  3. History

    Which identifies the Nazi paramilitary organization responsible for implementing the exterminations of the Final Solution? Gestapo Luftwaffe SS (Schutzstaffel) Brownshirts im confused i read thur the text but still can't find the answer but i believe it

    asked on August 7, 2018
  4. calculus

    Consider the given function and the given interval. f(x) = 4 sin x − 2 sin 2x, [0, π] (a) Find the average value fave of f on the given interval. fave = (b) Find c such that fave = f(c). (Round your answers to three decimal places.) c = (smaller value)

    asked on February 11, 2013
  5. Finance

    A grocery store manager must decide whether to buy four rug cleaners to rent to customers. The manager estimates that the first would yield $200 a year, the second $150, the third $75, and the fourth $20. If the interest rate is 12 percent and each rug

    asked on April 12, 2012
  6. eng9

    The White House has been home to many animals as well as presidents. (1 point) common noun proper noun compound noun collective noun

    asked on August 24, 2014
  7. chemistry

    1.0 M aqueous solutions of AgNO3 , Cu(NO3 )2 and Au(NO3 ) 3 are electrolyzed in the apparatus shown, so the same amount of electricity passes through each solution. If 0.10 moles of solid Cu are formed how many moles of Ag and Au are formed?

    asked on April 27, 2012
  8. History

    What was the purpose of the documentary film The Eternal Jew? to dispel myths of Jewish inferiority and notions of German superiority to educate Nazi officers about Hitler’s plan to exterminate Jews to convince Jews to voluntarily migrate out of Europe

    asked on August 14, 2018
  9. Physics

    particle A moves along the line y = 30m with a constant velocity of magnitude 3.5 m/s and parallel to the x axis. At the instant particle A passes the y axis, particle B leaves the origin with 0 initial speed and constant acceleration of magnitude 0.50

    asked on September 30, 2012
  10. English

    Identify the incorrect sentence. A. There is a good variety of mugs in the cabinet. B. There are a good variety of mugs in the cabinet. C. A number of glasses have been broken. D. The number of broken glasses has increased.

    asked on October 15, 2015
  11. math

    The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)

    asked on November 27, 2014
  12. English

    Identify the correct sentence. A. A giant spider with long legs are crawling on the wall in the living room. B. A giant spider with long legs is crawling on the wall in the living room. C. Neither the roach nor the spider are still alive. D. Neither the

    asked on October 15, 2015
  13. calc 2

    A loaf of bread is removed from an oven at 350 degrees F and cooled in a room whose temperature is 70 degrees F. If the bread cools to 210 degrees F in 20 minutes, how much longer will it take the bread to cool to 155 degrees F. Round to the nearest

    asked on September 29, 2015
  14. Physics

    An electron with speed 2.35×107m/s is traveling parallel to a uniform electric field of magnitude 1.16×104N/C . How far will the electron travel before it stops? A=0.135m How much time will elapse before it returns to its starting point? I solved for the

    asked on February 16, 2014
  15. Mathematics

    A certain number is added to 7 and then divided by 12. Result is 4 : find the number?

    asked on October 27, 2019
  16. Trig

    Find all solutions of the equation in the interval [0,2pi). 2sin theta+1=0. Write answer in radians in terms of pi.

    asked on August 19, 2015
  17. Chemistry (buffers)

    Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0 M acetic acid. a. What would be the initial pH of Buffer C? HOW???????

    asked on March 15, 2012
  18. Physics

    Two resistors 3 Ω and 6 Ω are connected in parallel across a 6 V battery. What is the current flow through the 3 Ω resistor? 6 A 3 A 4 A 2 A

    asked on December 21, 2015
  19. Science

    A is a solution of trioxonitrate nitrate (v) (HNO3) of unknown concentration, B is a standard solutions of NAOH containing 4.00g/dm3 of solutions 25.0cm potion of solutions B required an average of 24.00cm of solutions A for complete neutralization

    asked on July 8, 2020
  20. Algebra

    Trish bought a new car at a cost of $40,000. The car depreciates approximately 12% of its value each year. What will the car's value be in five years?

    asked on July 31, 2019
  21. Math

    Kate cycles the first 350 km of a 470 km journey at a certain average speed and the remaining distance at an average speed that is 15 km/h less than that for the first part of the journey. If the time taken for her to travel each part of her journey is the

    asked on November 2, 2016
  22. physics

    A bullet is fired in a horizontal direction with a muzzle velocity of 300m/s.in the absence of air resistance,how far will it have droppped in travelling a horizontal distance of 20m.

    asked on August 20, 2013
  23. math

    The sum of the first 5 terms of an arithmetic series is 70. The sum of the first 10 terms of this arithmetic series is 210. What is the first term of the series?

    asked on August 14, 2019
  24. math

    A bacteria population is currently exactly one million and increasing at a linear rate of 15 per second. What will the population be in two weeks?

    asked on December 29, 2012
  25. chem

    Carbon dioxide gas has a Henry's law constant of 4.48×10-5 M/mmHg at 25.0 °C when dissolving in water. If the total pressure of gas (CO2 gas plus water vapor) over water is 1.00 atm, what is the concentration of CO2 in the water in grams per milliliter?

    asked on February 18, 2016
  26. physics

    A uniform metal rod of length 80cm and mass 3.2kg is supported horizontally by two vertical springs balances C and D.Balance C is 20cm from one end and while balance D is 30cm from the other end.Find the reading on each balance.

    asked on May 2, 2020
  27. Chemistry

    A woman expends 96 kJ of energy in walking a kilometer. The energy is supplied by the metabolic breakdown of food intake and has a 35 % efficiency. If the woman drives a car over the same distance, how much energy is used if the car gets 8.7 km per liter

    asked on March 27, 2015
  28. Physics

    Two meteoroids 250,000 km from Earth are moving at 2.1 km/s. Meteor one is headed in a straight path for Earth, while meteor two is on a path that will come within 8500 km from the Earth's center. (A) What is the speed of the first meteroid when it strikes

    asked on March 19, 2009
  29. math

    6cm diameter discs are cut from a sheet 130cm long and 70cm wide.(a)How many discs can be cut in this way (b) what area of the sheet is wasted? (My working so far). Area of rectangle=L*B 130*70=9100cm^2 area of circle=22/7 *(6/2)^2=28.286cm^2 (a)no of

    asked on April 30, 2015
  30. Physics

    A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 60 s per increment, and the scale for the velocity axis is

    asked on May 29, 2013
  31. prealgebra

    A standard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. Two of the suits ($\heartsuit$ and $\diamondsuit$, called 'hearts' and 'diamonds') are red, the other two ($\spadesuit$ and $\clubsuit$, called 'spades' and 'clubs')

    asked on December 31, 2019
  32. art

    The first images of Buddha, which appeared around the first century CE, are easily recognizable by certain visual characteristics. Which of the following is a common visual characteristic of representations of Buddha? Distended earlobes Urna (a tuft of

    asked on September 21, 2018
  33. Science, Physics, math, calculus

    Pool players often pride themselves on their ability to impart a large speed on a pool ball. In the sport of billiards, event organizers often remove one of the rails on a pool table to allow players to measure the speed of their break shots (the opening

    asked on November 24, 2013
  34. Maths

    In a test Freya scores 25% more marks than Eva. Eva scores 50% more marks than Dominic. In total the three children score 140 marks. The test if out of 80. What percentage does Dominic score in the test?​

    asked on July 2, 2020
  35. physics

    If the total positive charge is Q = 1.62×10−6C , what is the magnitude of the electric field caused by this charge at point P, a distance d = 1.53m from the charge? (Figure 1) Enter your answer numerically in newtons per coulomb.

    asked on January 27, 2014
  36. Chem

    How many oxygen atoms are in 5.23 g of C6H12O6

    asked on June 2, 2011
  37. history

    How did Otto von Bismarck help to bring about German unification? He convinced the Austrian emperor to form a pan-German military alliance. He became a strong influence on the king and encouraged the buildup of the military. As minister president, he

    asked on August 9, 2018
  38. Physics

    An anti-aircraft gun fires at an elevation of 60 degree at an enemy aircraft at 10000m above the ground. At what speed must the cannon be shot to hit the plane at that height? (g=9.8)

    asked on March 12, 2017
  39. chemistry

    Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). Calculate the change in pH when 9.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.

    asked on March 9, 2016
  40. chemistry

    What would the final freezing point of water be if 3 mol of sugar were added to 1 kg of water (Kf = 1.86C/(mol/kg) for water and i = 1 for sugar)?

    asked on April 11, 2012
  41. math

    If you invested a penny on Jan 1,1776 at 10% interest compounded daily, how much would you have on jan 1 2011?

    asked on February 18, 2013
  42. Mathematics

    A shopkeeper mixed coffee powder worth $2.50 per kg with coffee powder worth $3.50 per kg, and sold 20 kg of the mixture at $2.80 per kg. Find the weights of the 2 grades of coffee powder that he mixed together. Explain clearly your steps of solving it.

    asked on January 15, 2012
  43. math

    For how many positive integers n does 1/n yield a terminating decimal with a non-zero hundredths digit?

    asked on January 8, 2020
  44. chemistry

    what is the name of this coordination compound [CoSO4(NH3)5]Br?

    asked on October 31, 2016
  45. math

    Water is taken from a well 11m deep in a bucket,the rope winding up to a drum 35cm in diameter. A)Through what angle does the handle turn in winding up 1m of rope? B)How many revolutions of the handle does it take to bring the bucket up from the bottom?

    asked on May 11, 2015
  46. math

    In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of the longest diagonal? Express your answer as a common fraction in the simplest radical form.

    asked on September 8, 2013
  47. Physics HELP!

    At what minimum speed must a roller coaster be traveling when upside down at the top of a circle if the passengers are not to fall out? I'm having trouble understanding what it means by minimum speed. I know that at the top there are two forces, the force

    asked on December 25, 2010
  48. Chemistry

    Calculate Delta H for the reaction CH4(g)+NH3(g)-->HCN(g)+3H2(g) given, N2(g)+3H2(g)->2NH3(g) DeltaH=-91.8kj C(s)+2H2(g)->CH3(g) DeltaH=-74.9kj h2(g)+2C(s)+N2(g)->2HCN(g) DeltaH=270.3kj

    asked on October 11, 2015
  49. Chem

    A 25.0 mL aliquot of a well-shaken and filtered sample of river is pipetted into an evaporating dish. The sample was heated to dryness. Assume the density of the river water was 1.01g/mL. The following data were collected for Trial 1. Complete the data.

    asked on September 14, 2015
  50. Math

    A particle is moving with the given data. Find the position of the particle. v(t) = 1.5sqrt(t), s(9) = 33

    asked on November 20, 2014
  51. Physics

    As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 690 N, the scale at the moment reads 588 N. (a) Is the acceleration of the elevator upward, downward, or zero? (b) Calculate the magnitude of the

    asked on November 2, 2012
  52. finance

    A firm has beginning inventory of 300 units at a cost of $11 each. Production during the period was 650 units at $12 each. If sales were 700 units, what is the value of the ending inventory using LIFO? Note: LIFO, last-in, first-out represents that the

    asked on February 8, 2011
  53. Finance

    You are evaluating a proposed expansion of an existing subsidiary located in Switzerland. The cost of the expansion would be SF 32.4 million. The cash flows from the project would be SF 9 million per year for the next five years. The dollar required return

    asked on December 1, 2010
  54. Social Studies

    2. The new boundary line set by the Adams-Onis Treaty had which of these effects? A.) It created a system of dual governance in Florida. B.) It represented the completion of Manifest Destiny.**** C.) It began the decline of Spain's New World empire. D.) It

    asked on March 9, 2016
  55. English

    7. Identify the sentence that contains a word or phrase that should not be in italics. *Is Mel Gibson in the movie version of Hamlet or Macbeth? Lenny has trouble pronouncing the word bonjour. Glenda subscribes to Smithsonian and Time magazines. Thornton

    asked on April 29, 2013
  56. Medical coding

    Which of the following is true about the ICD-10-CM? A. An eighth character was added. B. There are combination diagnosis/symptom codes. C. There are limited injury codes. D. There's additional information relevant to inpatient encounters. unsure of answer?

    asked on June 20, 2012
  57. Physics

    What is the velocity at the midway point of a ball able to reach a height y when thrown with an initial velocity v0? (Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. ) Someone posted this

    asked on May 18, 2012
  58. physics

    at 25.0m below the surface of the sea (density=1.025kg/m^3), where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00cm^3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks

    asked on December 3, 2009
  59. Chemistry

    Based on the standard reduction potentials given below, which species is most likely to be oxidized? Ag+ + e- → Ag, Eo= 0.80 V Cu2+ + 2e- → Cu, Eo= 0.34 V Zn2+ + 2e- → Zn, Eo= -0.76 V Cd2+ + 2e- → Cd, Eo= -0.40 V I thought the answer would be Zn2+

    asked on October 12, 2016
  60. Physics

    The diameter of the base of a tapered drinking cup is 6.6cm . The diameter of its mouth is 9.8cm . The path of the cup curves when you roll it on the top of a table. How much faster does the mouth move than the base? Express your answer using two

    asked on March 20, 2014
  61. physics

    Two forces act on an object. The first force has a magnitude of 17.0 N and is oriented 68.0° counter-clockwise from the x axis, while the 2nd force has x- and y-components (-19.0 N, 16.5 N). Express the magnitude and direction of the net force.

    asked on November 14, 2013
  62. Chemistry

    What is the maximum mass of S8 that can be produced by combining 85.0 g of each reactant? 8SO2 + 16H2S yields 3S8 +16H2O

    asked on September 21, 2013
  63. Chemistry

    For the reaction ? FeCl2 + ? Na3PO4 → ? Fe3(PO4)2 + ? NaCl what is the maximum mass of Fe3(PO4)2 that could be formed from 5.25 g of FeCl2 and 1.62 g of Na3PO4? Answer in units of g

    asked on March 13, 2013
  64. Organic chemistry

    A diels-Alder reaction of cyclopentadiene with Maleic Anhydride experiment was conducted in lab. But I was wondering why we added ligroin to the maleic anhydride and ethyl acetate. I know ligroin can be used as a solvent and it is also nonpolar, though

    asked on February 6, 2013
  65. physics

    A horse pulls a cart with a force of 40lb at an angle of 30 degrees above the horizontal and moves along at a speed of 6mi/hr. A) how much work does the force do in 10 min? B) What is the average power (in horsepower) of the force?

    asked on July 18, 2010
  66. Math

    1) The manager of a warehouse would like to know how many errors are made when a product’s serial number is read by a bar-code reader. There are 24 errors after 1000 scans. Is it reasonable for the manager to expect less than 5% errors in 1000 scans? 2)

    asked on March 20, 2017
  67. Maths

    Luisa travels 25 km in 3 3 4 hours. She walks part of the way at 4 km/h and cycles the rest at 12 km/h. How far did she walk?

    asked on May 21, 2015
  68. chemistry

    3. After removing membranes from an eggshell, the shell is dried and its mass is recorded as 5.613 g. The egg is transferred to a 250 mL beaker and dissolved in 25 mL of 6 M HCL. After filtering, the solution containing the dissolved eggshell is diluted to

    asked on November 18, 2014
  69. physics

    A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up the plane from an initial position that is distance d=0.60m from the end of the relaxed spring, with an initial kinetic energy

    asked on August 1, 2010
  70. Physics

    A uniform rod of length 80cm and a mass of 3.2 kg is supported horizontally by to vertical spring balances C and D. Balance C is 20 cm from one end and balance D is 30 cm from the other end. Find the reading on each balance.

    asked on October 30, 2019
  71. Chemistry

    Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what

    asked on January 15, 2015

    A bank account is growing by 4.3 % per year. Find the doubling time. Round your answer to the nearest integer. Can someone explain how to solve this step by step. I have been stuck on this for quite a while

    asked on October 3, 2014
  73. statistics

    The customer bills in a family restaurant are normally distributed. The bills mean is $28 and has a standard deviation of $6. a. Identify what the random variable you are measuring is in this problem. b. What is the probability that a randomly selected

    asked on June 22, 2013
  74. Chemistry

    A solution contains 3.75g of nonvolatile pure hydrocarbon in 95g acetone. The boiling points of pure acetone and the solution are 55.95C and 56.50C, respectively. The molal boiling point constant of acetone is 1.71 C*kg/mol. What is the molar mass of the

    asked on February 10, 2011
  75. chemistry

    A 0.446 g- sample of an unknown monoprotic acid was titrated with 0.105 M KOH. the molar mass is 120 g/mol What is the pKa value?

    asked on November 22, 2010
  76. College Physics

    Illinois Jones is being pulled from a snake pit with a rope that breaks if the tension in it exceeds 755 . If Illinois Jones has a mass of 70.0 and the snake pit is 3.90 deep, what is the minimum time that is required to pull our intrepid explorer from the

    asked on September 23, 2009
  77. math

    Joe is playing a game with a regular die. if the number that turns up is even he will gain 5 times the number that comes up. if it is odd, he will lose 10 times the number that comes up. he tosses a 3. express the results as an integer

    asked on October 4, 2016
  78. science

    The alleles for brown eyes (B) are dominant, while those for blue eyes (b) are recessive. If Lesley’s mother has the genotype BB and her father has the genotype bb, what is Lesley’s genotype? What is her phenotype?

    asked on March 31, 2015
  79. Physics

    A Plane flies north at 215 km/h. A wind from the east blows at 69km/h. What is the plane's new velocity with respect to the ground in standard position

    asked on March 19, 2014
  80. manetism help!

    A charged particle with charge q is moving with speed v in a uniform magnetic field. A second identical charged particle is moving with speed 2v perpendiculuar to the same magnetic field. The time to complete one full circular revolution for the first

    asked on December 17, 2013
  81. physics

    A motor drives a rope drum of 820 mm diameter, which in turn drags a component of mass 650 kg, 175 m up a slope that makes an angle of 8 degrees to the horizontal. the component starts from rest and uniformly reaches a velocity of 5.3 m/s on completion of

    asked on June 7, 2012
  82. Geometry - Conditional Statements/Proof

    Rewire each statement as two if-then statements that are converses of each other. 18. Two angles are supplementary if and only if the sum of their measures is 180. 20. (x-4)(x+6) = 0 if and only if x = 4 or x = -6 22. Theorem 2-5 may also be worded in this

    asked on October 8, 2009
  83. math

    A rectangle measuring 7cm by 4cm is enlarged by a ratio of 2:1.what is the area of the enlarged rectangle.

    asked on March 5, 2015
  84. math 8th

    1. The following circle graph was published in the Cane County annual report. If there are 1,000 registered voters in Cane County, how many are 35–45 years old? circle graph (1 point) 150 voters

    asked on March 20, 2014
  85. statistics

    The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 24.6 mpg and a standard deviation of 11.2 mpg. If 30 such cars are tested, what is the probability the average

    asked on May 5, 2013
  86. geometry

    The Frostburg-Truth bus travels on a straight road from Frostburg Mall to Sojourner Truth Park. The mall is 2 miles east and 5 miles north of the City Center. The park is 5 miles west and 5 miles south of the Center. How far is it from the mall to the park

    asked on August 29, 2018
  87. Calculus

    a solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -x^2 +1. Find the volume of the solid if every cross section of a plane perpendicular to the x-axis is a trapezoid with lower base in the xy-plane, upper base equal to 1/2 the

    asked on August 29, 2017
  88. chemistry

    phsophorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to PCl3 (g) +Cl2 (g)->PCl5 (g) Kc = 2.01 at 500k If a 1.000L reaction vessel is charged with .300 mol of PCl5(g) and allowed to equilibrate at

    asked on October 1, 2015
  89. Math Statistics

    Students enrolled in an introductory statistics course at a university were asked to take a survey that indicated whether the student has a visual or verbal learning style. Of the 39 students who took the survey, 25 were judged to have a visual learning

    asked on July 25, 2013
  90. english

    8. Identify the sentence that contains an error in punctuation or capitalization. "After you’ve rested," Frank said, "please help me move these boxes." "Can we wait until later?" asked Emily. "I have a lot of homework." "It won’t take very long."

    asked on April 29, 2013
  91. algebra 1b

    Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately what maximum height does the soccer ball reach?

    asked on September 14, 2010
  92. Algebra

    Fifteen decreased by six times a number is

    asked on July 3, 2020
  93. physics

    in air an object weighs 15N when immersed in water it weighs 12N when immersed in another liquid weighs 13N. Determine the density of the object and that of the other liqui

    asked on January 18, 2020
  94. math

    peter notices that the corner cafe lists smoked salmon and poached eggs for lunch every friday. Since peter loves these foods he plans to eat at corner cafe every friday b a) deductive reasoning b)inductive reasoning c)analogical reasoning d)none

    asked on October 21, 2019
  95. geometry

    From an apartment window 24 m above the ground, the angle of depression of the base of a nearby building is 38 degrees and the angle of elevation is of the top is 63 degrees. How tall is the nearby building?

    asked on January 5, 2015
  96. algebra

    Which box-and-whisker plot shows the scores of ten students on a mathematics exam? 92, 76, 83, 97, 74, 81, 92, 91, 96, 87 (1 point) box and whisker plot box and whisker plot box and whisker plot box and whisker plot

    asked on March 31, 2014
  97. Physics

    A 1830-kg car is traveling with a speed of 19.8 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 63.1 m? Not sure about the equation to use for this queation.

    asked on October 7, 2012
  98. Chemistry

    A buffer was prepared by mixing 1.00 mol of ammonia 𝑁𝐻3 𝐾𝑎 = 5.8 × 10−10 and 1.00 mol of ammonium chloride 𝑁𝐻4𝐶𝑙 to form an aqueous solution with a total volume of 1.00 liter. To 500 mL of this solution was added 30.0 mL of 1.00

    asked on May 1, 2020
  99. Statistics

    An experiment was designed to test a hypothesis that stated that high-drive subjects would be able to learn a simple task much more quickly than would low-drive subjects. The hypothesis further state that on a difficult task the opposite would be found –

    asked on April 3, 2020
  100. latin 1

    dominus me amat. dominus me amat quod vitam fili servabam.sum xeno; romae ( in rome) sum sextus. mox liber (free)ero.

    asked on October 3, 2017


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