Most popular questions and responses by Tony
  1. English-Poetry

    can someone help find "The Dying Eagle" by E.J. Pratt for me i need it for my poetry assignment and give me the site address. plz and ty

    asked on November 3, 2008
  2. Physics

    Two manned satellites approaching one another at a relative speed of 0.200 m/s intend to dock. The first has a mass of 5.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. Assume that the positive direction is directed from the second satellite

    asked on October 8, 2017
  3. Math

    A recipe calls for 2 2/4 cups of raisins but Julie only has 1/4 cup measuring many 1/4 cups does Julie need to measure out 2 2/4 cups of raisins?

    asked on February 2, 2017

    Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n

    asked on July 10, 2012
  5. Math

    The grocery store sells kumquats for $4.25 a pound and Asian pears for $2.25 a pound. Write an equation in standard form for the weights of kumquats k and Asian pears p that a customer could buy with $18.

    asked on August 3, 2012
  6. hudson ntsan'wisi

    assess the extent to which bad road use has a direct impact on the physical,emotional, social and economic aspects to the family,the community and the country.

    asked on August 27, 2015
  7. Math

    How to convert y^2-8x-16=0 to polar form

    asked on March 6, 2018
  8. physics

    if you shook the end of a rope up and down three times each second, what would be the period of the waves set up in the rope? what would be the frequency? plz help me i am so stressed out!

    asked on March 31, 2008
  9. cal

    A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. I got 81/200pi ft/min.

    asked on November 2, 2013
  10. Maths

    The 7th term of an a.p is 11 and the nth term is 3. Find the first five term

    asked on January 19, 2016
  11. phys

    A 12-kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30 degree below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is:

    asked on March 12, 2014
  12. Chemistry Honors

    Arthur is performing a lab which requires a 0.2 M solution of calcium hydroxide. However, the only calcium hydroxide solution available has a concentration of 0.5 M. How can Arthur dilute the 0.5 M solution to make 10 mL of a 0.2 M solution? A.He needs to

    asked on December 16, 2014
  13. chemistry

    1.00 g zinc and 0.80 g sulfur are allowed to react all the zinc is used up 1.50 g of zinc sulfide is formed and some unreacted sulfur remains what is the mass of unreacted sulfur

    asked on February 3, 2013
  14. Geography

    Which of the following describes a challenge presented by Canada's population? - increased pollution and high crimes in cities -the cost of government-funded health care -lack of housing in urban areas -the cost of child care in rural areas please.

    asked on July 26, 2019
  15. Chemistry Honors

    What volume of a 0.50 M MgSO4 solution will be needed to prepare 100.0 mL of a 0.20 M MgSO4 solution? A.250 mL B.100 mL C.0.250 mL D.40.0 mL

    asked on December 16, 2014
  16. electric field intensity

    Two 2.0 g spheres are suspended by 10.0 cm long light strings. A uniform electric field is applied in the x direction. If the spheres have charges of -5.0 10-8 C and +5.0 10-8 C, determine the electric field intensity that enables the spheres to be in

    asked on January 17, 2009
  17. phys

    A short 10-g string is used to pull a 50-g toy across a frictionless horizontal surface. If a 3.0 x 10^(–2)-N force is applied horizontally to the free end, the force of the string on the toy, at the other end, is: A) 0.15 N B) 6.0 x 10^(–3) N C) 2.5 x

    asked on March 8, 2014
  18. Chemistry

    Please someone explain the best way of solving this. A 55 kg woman has 7.5 x 10 to the power of negative 3 moles of hemoglobin (Molar mass=64,456 g/mole) in her blood, how many hemoglobin molecules is that? What is the quantity in grams?

    asked on April 11, 2017
  19. trig

    The point (-3, 4) is on the terminal side of angle θ in standard position. Find cot θ.

    asked on June 11, 2013
  20. Chemistry Honors

    What mass of calcium bromide is needed to prepare 150.0 mL of a 3.50 M solution? (Assume that the molecular weight of CaBr2 is 200.618 g/mol) A. 105 g B. 100.42 g C. 0.105 g D. 103.35 g

    asked on December 16, 2014
  21. math

    Question 5.5. Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it take the object to hit the ground? (Points : 1) 1 second 2 seconds 3 seconds 4

    asked on June 11, 2015
  22. Statistic

    The number of customers who enter a supermarket each hour is normally distributed with a mean of 600 and a standard deviation of 200. The supermarket is open 16 hours per day. what is the probability that the total number of customers who enter the

    asked on December 8, 2010
  23. physics

    suppose the diver vaults off the springboard, leaving it with an initial speed of 3.50 m/s upward. use energy conservation to find his spped when he strikes the water.

    asked on October 23, 2013
  24. Math

    Three numbers form a g.p.if the first and third numbers are 5 and 245 respectively, find two possible values for the middle number.

    asked on October 20, 2016
  25. vocab

    whats the root or base word of rebellious,belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, compel

    asked on February 5, 2012
  26. chemistry

    Suppose you tried to combine 42 grams of magnesium with 42 grams of oxygen. Which of the two substances would have some left after the reaction and how much magnesium oxide would be formed?

    asked on March 3, 2010
  27. College Physics 2056

    An electromagnetic wave strikes a 3.00-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 6.00 10-4 T. How long does it take for the wave to deliver 1000 J of energy to the wall?

    asked on April 8, 2012

    Henry is taking a medicine for a common cold. The table below shows the amount of medicine f(t), in mg, that was present in Henry's body after time t: t (hours) 1 2 3 4 5 f(t) (mg) 282 265.08 249.18 234.22 220.17 Greg was administered 300 mg of the same

    asked on August 1, 2017
  29. Physics

    The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of 4.50 A. The radius of cross-section A1 is 0.300 cm. (a)What is the magnitude of the current density across A1? A: 1.59155e2 using J=I/((r^2)pi) (b)

    asked on March 13, 2017
  30. English

    According to An Inconvenient Truth, what is the role of infrared radiation in global warming?

    asked on September 22, 2015
  31. Math HELP

    #1 find the value of x if RS = 4(x-3)+6 and RT = 5(2x-6). x= 12 x= 6 x= 4*** x= 3 #2 which of the following statements are always true? Choose all that apply. If the circumcenter of a triangle lies on the triangle, then the triangle is a right triangle.

    asked on October 16, 2018
  32. Math

    A triangle is placed in a semicircle with a radius of 3cm, as shown below. Find the area of the shaded region. Use the value for 3.14, and do not round your answer. Be sure to include the correct unit in your answer.

    asked on June 14, 2011
  33. english

    IDENTIFY THE PARTS OF SPEECH IN THE FOLLOWING SENTENCE. I usually go swimming with my best friend and his rather unusual girlfriend. a) I - personal pronoun - countable (I is the subject in this sentence) b) usually - adverb (indicates frequency) c) go -

    asked on October 23, 2008
  34. Algebra

    A wrestling match has eliminations each round. The table below shows the number of wrestlers in each of the first 4 rounds of the tournament: Round (x) 1 2 3 4 Wrestlers f(x) 64 32 18 9 Compute the average rate of change of f(x) from x = 1 to x = 4 and

    asked on June 6, 2017
  35. Algebra

    A certain forest covers an area of 2,000 square kilometers. Suppose that each year this area decreases by 6%. What is the function that best represents the area of the forest each year and how much area remains after 12 years? Round your answer to the

    asked on June 7, 2017
  36. cal

    The end plates (isosceles triangles) of the trough show below were designed to withstand a fluid force of 5800 lb. How many cubic feet can the tank hold without exceeding this limitation? Assuming the density is 62.4 lb/ft^3, the maximum volume is ____

    asked on December 26, 2013

    The description below represents Function A and the table represents Function B: Function A The function is 2 more than 5 times x. Function B x y -1 2 0 5 1 8 Which statement is correct about the slope and intercept of the two functions? Their slopes are

    asked on August 1, 2017
  38. Physics

    A distance of 5.00 cm is measured between two adjacent nodes of a standing wave on a 20.0 cm long string. A) In which harmonic number is the string vibrating? B) Find the frequency of this harmonic if the string has a mass of 1.75 x 10-2 kg and a tension

    asked on September 2, 2019
  39. physics

    A student is trying to decide what to wear. His bedroom is at 20.0°C. His skin temperature is 36.0°C. The area of his exposed skin is 1.46 m2. People all over the world have skin that is dark in the infrared, with emissivity about 0.915. Find the net

    asked on October 19, 2008
  40. maths

    the sum of a number and its square is one and a half times their difference. what is the number?

    asked on June 7, 2016
  41. Physics

    The leader of a bicycle race is traveling with a constant velocity of +11.9 m/s and is 10.7 m ahead of the second-place cyclist. The second-place cyclist has a velocity of +9.10 m/s and an acceleration of +1.20 m/s2. How much time elapses before he catches

    asked on August 27, 2012
  42. History

    Which statement about the slave trade is true? 1. European traders often went to Africa’s interior on slave raids 2. Some African leaders, such as Afonso, tried to end the slave trade, while others encouraged it*** 3. The slave trade had minimal effect

    asked on October 17, 2018
  43. Math

    The graph shows the distance a ghost crab can run over time

    asked on September 18, 2019
  44. Chemistry Honors

    If water, a polar molecule, is combined with another polar molecule, what can be said about the substance added to the water? A. The solubility can not be determined by only knowing the polarity. B.It is soluble in water only if the water is poured over

    asked on December 16, 2014
  45. Chemistry

    In an experiment to find the percentage of calcium carbonate in sand from a beach, 1.86 g of sand reacted with an excess of dilute hydrochloric acid to give 0.55 g of carbon dioxide. CaCO3 (s) + 2HCL (aq) – CaCl2(aq) + CO2(g) + H2O (l) 1.Calculate the

    asked on February 17, 2010
  46. history civilization thesis help.

    The agricultural revolution marked a decisive turning point in human history. What evidence might you offer to support this claim, and how might you argue against it? That's the essay question. I'm in college so i'm expected to give a really good essay but

    asked on June 27, 2014
  47. physics

    A 1.9 kg block slides down a frictionless ramp, as shown in figure 8-28. The top of the ramp is 1.5 m above the ground; the bottom of the ramp is .25 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance d away.

    asked on October 20, 2010
  48. Math

    In 1983, the population of Functionville was 2560, and it tripled in 6 years. a. Write an exponential model for the population of Functionville t years after 1983. b. According to your model, it what year had the population grown to 7 times its size?

    asked on July 15, 2012
  49. Algebra/Trig

    To ensure safety, the recommended angle that a ladder leaning against a building makes with the ground is 75 degrees. Will a 12 foot ladder reach a window 10 feet above the ground if it leans against the building with this angle? Use trigonometry to

    asked on May 8, 2017
  50. Physics

    For a winter fair, some students decide to build 30.0- kg wooden pull-carts on sled skids. If two 90.0- kg passengers get in, how much force will the puller have to exert to move the pull-cart? The coefficent of maximum static friction between the cart and

    asked on October 27, 2009
  51. physics

    A compact car, mass 875 kg, moving south at 16 m/s, is struck by a full-sized car, mass 1660 kg, moving east at 12 m/s. The two cars stick together, and momentum is conserved in the collision. The wreck skids along the ground and comes to a stop. The

    asked on February 4, 2013
  52. math

    Write an explicit formula for the sequence -13 , -6 , 1 , 8

    asked on March 6, 2019
  53. precalc

    A projectile is launched from a platform 10 feet high with an initial velocity of 72 feet per second, The height h of the projectile at t seconds after launch is given by h = –16t2 + 72t + 10 feet.

    asked on July 7, 2016
  54. cal

    Find the area of the region enclosed by the curve y=xsinx and the x-axis for 7π ≤x ≤8π .

    asked on December 23, 2013
  55. Mathematics

    Solve tan2x = 5sin2x Giving all solutions in the interval 0 ≤ x ≤ 180°

    asked on November 18, 2015
  56. Chemistry

    Calcium carbonate reacts w/stomach acid according to the following chemical equation. CaCO3+2HCl(aq)-> CaCl2(aq)+H2O(l)+CO2(g) A. Balance the eqaution B. Tums is one commercially sold antacid that contains CACO3. If Tums is added to 20.0ml of 0.400 M HCl,

    asked on December 14, 2010
  57. Physics

    A baseball hits a car, breaking its window and triggering its alarm which sounds at a frequency of 1250 Hz. What frequency (in Hz) is heard by a boy on a bicycle riding away from the car at 6.50 m/s? Take the speed of sound to be 343 m/s.

    asked on August 28, 2019
  58. Eth 125

    Click on the box in front of your selected answer. There is only one correct response per question. Week 5 Quiz Name: Click on the box in front of your selected answer. There is only one correct response per question. When completed, save, and post and

    asked on July 21, 2010
  59. Physics

    A train is moving past a crossing where cars are waiting for it to pass. While waiting, the driver of the lead car becomes sleepy and rests his head on the steering wheel, unintentionally activating the car's horn. A passenger in the back of the train

    asked on August 28, 2019
  60. drwls please read

    i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be

    asked on October 25, 2008
  61. Physics

    A train is moving past a crossing where cars are waiting for it to pass. While waiting, the driver of the lead car becomes sleepy and rests his head on the steering wheel, unintentionally activating the car's horn. A passenger in the back of the train

    asked on September 2, 2019
  62. math

    A radio transmission tower is 170 feet tall. How long should a guy wire be if it is to be attached 7 feet from the top and is to make an angle of 30° with the ground? Give your answer to the nearest tenth of a foot

    asked on July 28, 2012
  63. physics

    A copper Calorimeter of mass 150g,was half-filled with water of mass 300g and a temperature of 0°C.5g of ice of mass 0°C was added to the content, later some quantity of steam was passed into the mixture and the temperature rose by 20°C. Calculate the

    asked on December 13, 2017
  64. Chem

    How many grams of oxygen are there exactly in 100.0 g of carbon dioxide?

    asked on April 5, 2016
  65. statistics

    Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a sever-year period according to the U.S. Census Bureau. Use these data to run a linear regression and then forecast the rental and leasing

    asked on July 8, 2013
  66. MATH

    I NEED TO SOLVE FOR Y AND X im getting rele confused on this. ok here is the prob. x+y=5 x-2y=-4 equation 1 x+y=5 equation 2 x-2y=-4 Multiply equation 1 by -1. Add equation 1 to equation 2. The x term cancels. Solve for y. THEN, put the value of y into

    asked on December 17, 2006
  67. Algebra

    Which of the following statements is false? The sum of two rational numbers is always rational. The sum of a rational number and an irrational number is always rational. The product of a nonzero rational number and an irrational number is always

    asked on June 7, 2017
  68. Math

    8 runners are entered in the 1000-meter run. How many different first, second, and third place finishes could possibly occur? Is the answer 24? No. 8x7x6 = 336 The first place can be any of eight. For each first place possibility, there are seven possible

    asked on December 14, 2006
  69. la

    when writing a personal narrative which point of view should you use

    asked on December 9, 2016
  70. physics

    A string of 15 identical Christmas tree lights are connected in series to a 127 V source. The string dissipates 58 W.What is the equivalent resistance of the light string? Answer in units of Ω

    asked on April 8, 2013
  71. business math

    Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the beginning of June is: (Use 360 days)

    asked on November 20, 2011
  72. physics

    The electrons in a TV tube are accelerated from rest through a potential difference of 18kV. Esimate the speed of the electrons after they have been accelerated by this potential difference.

    asked on February 3, 2011
  73. chem

    Determine the density of methane (CH4) in g/L at 21.9oC and 0.9 atm

    asked on June 29, 2011
  74. math

    7 kids and 2 adults are going to the circus. Kid's tickets are on sale for only half the price of adult tickets. The total cost is $70. How much is one kids ticket? How much is one adult ticket?

    asked on February 10, 2016
  75. Chemistry

    Suppose a 500mL flask is filled with 1.6 mol of I2 and 0.40 mol of HI. The following reaction becomes possible: H2(g)+I2(g) -----> 2HI(g) The equilibrium constant K for this reaction is 0.923 at the temperature of the flask. Calculate the equilibrium

    asked on May 13, 2019
  76. science

    A 2.4-kg pile of aluminum(ρ = 2.70 g/cm3)cans is melted, then cooled into a solid cube. What is the volume of the cube?

    asked on February 6, 2017
  77. eng composition

    Amy and carl are discussing the essay by tardiff and brizee. Army argue that her essay on how the cocoa bean is processed into chocolate should becconsidered an explanatory essay. Carl remaks that her essay might be called an explository essay. Who is

    asked on August 29, 2014
  78. Statistics

    A researcher is interested in whether students who attend private high schools have higher average SAT scores than students in the general population. A random sample of 90 students at a private high school is tested and has a mean SAT score of 1050. The

    asked on November 19, 2011
  79. english

    what is the part of speech of this sentence? 2. How long did it take Marianne to build the model? pronoun noun verb interjection I think it's interjection?

    asked on December 17, 2010
  80. Precalculus

    The sphereflake shown (not shown for question) is a computergenerated fractal that was created by Eric Haines. The radius of the large sphere is 1. Attached to the large sphere are nine spheres of radius . Attached to each of the smaller spheres are nine

    asked on November 7, 2010
  81. math

    A segment of a circle has a 120 arc and a chord of 8in. Find the area of the segment

    asked on October 20, 2010
  82. Physics

    Calculate the reflected percentage of an ultrasound wave passing from human muscle into bone. Muscle has a typical density of 1.06 * 10³ kg/m³ and bone has a typical density of 1.89 * 10³ kg/m³.

    asked on August 28, 2019
  83. Math

    Among all pairs of numbers whose difference is 88, find a pair whose product is as small as possible.

    asked on July 5, 2012
  84. trig

    Write the complex number in trigonometric form, using degree measure for the argument. -12 - 16i

    asked on June 28, 2013
  85. statistics

    A license plate is to have 3 digits followed by 2 uppercase letters. What is the number of different license plates possible if repetition of numbers and letters is not permitted?

    asked on January 7, 2013
  86. Math

    If 3000 dollars is invested in a bank account at an interest rate of 6 per cent per year, find the amount in the bank after 12 years if interest is compounded annually Find the amount in the bank after 12 years if interest is compounded quaterly Find the

    asked on July 13, 2011
  87. physics

    A glass window pane is exactly 23 cm by 38 cm at 10oC. By how much has its area increased when it temperature is 49oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co

    asked on April 22, 2011
  88. science

    List some of the technological, economic, political, emotional, and other factors involved with greenhouse gases.Whose responsibility is it to reduce our impacts or climate?

    asked on July 2, 2010
  89. Physics

    In April 1974, Steve Prefontaine completed a 10 km race in a time of 27 min , 43.6 s . Suppose "Pre" was at the 7.15 km mark at a time of 25.0 min . If he accelerated for 60 s and then maintained his increased speed for the remainder of the race, calculate

    asked on September 12, 2019
  90. Math- Discrete Functions

    Vanna has just financed the purchase of a home for $200 000. She agreed to repay the loan by making equal monthly blended payments of $3000 each at 4%/a, compounded monthly How much sooner would the loan be paid if she made a 15% down payment? How much

    asked on August 25, 2017
  91. Geology

    Which of the following pieces of evidence supports the plate tectonic theory? A. Ocean-floor sediments are oldest at the ridge crest. B. The stripe patterns of high- and low-intensity magnetism are mirror images on both sides of an oceanic ridge. C.

    asked on October 16, 2016
  92. Applications of definite integrals

    find the area of the region bounded by the parabola y^2= 16x and its latus rectum

    asked on November 15, 2014
  93. essay proofreading and criticism

    The agricultural revolution marked a decisive turnign point in human history. What evidence might you offer to support this claim and how might you argue against it? I fnished my essay. My questions are within the essay. The agricultural revolution is

    asked on June 28, 2014
  94. statistics-?mean average with lowest number out?

    A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

    asked on January 7, 2013
  95. Physics

    Workers attach a 25.0 kg mass to one end of a 20.0 m long crane, suspending the mass in midair. If the cable has a mass of 12.0 kg, determine the speed of transverse wave at the middle and bottom end of the cable.

    asked on August 28, 2019
  96. ECO561

    the size of the MPC is assumed to be

    asked on April 25, 2019
  97. statistics

    Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is bonds perform well when lending rates are down and perform poorly when interest rates are up. Can the bond rate be predicted

    asked on July 8, 2013
  98. Spanish

    I was hoping some one could check these reading response answers for grammar. It was the story la dama del alba. En español, escribe un resumen de un párrafo relatando lo que ha pasado en las primeras 10 páginas de ‘La dama del alba’. (5 points) Lo

    asked on February 6, 2017
  99. Math

    Use the compound interest formulas A = P(1 + r/n)nt and A = Pe^rt to solve. Find the accumulated value of an investment of $3000 at 9% compounded continuously for 3 years.

    asked on July 15, 2012
  100. Physics

    A boat is rowed due North at 7.0 km/h directly across a river that flows due East at 4.0 km/h. Find the boat's resultant speed.

    asked on April 15, 2010


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