Newest questions posted by Adam
  1. Math

    What is greater 3/5 or 3/4
  2. Algebra

    It's been a while since I've had to do this so I don't remember. I have the equation 6x + 19 = x. They want me to solve for x. I'm guessing I have to move over 19 to make it the sum, but how do I do that?
  3. Geometry

    1. Explain what a conjecture is, and how you can prove a conjecture is false. 2. What is inductive reasoning? 3. What are the Three Stages of Reasoning in Geometry? I finally got put into Geometry after a couple of days of having to switch my schedule
  4. Algebra

    the time t required to drive a certain distance varies inversely with the speed, r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour? about 3.11 hours 140 hours about 5.14
  5. Physics

    A converging lens forms a virtual image 2.61 times the size of the objecT. The object distance is 11cm. Find the distance of the focal point from the center of the lens.
  6. Math

    Suppose you buy a home and finance $255,000 at $2,293.17 per month for 30 years. What is the amount of interest paid? (Round your answer to the nearest cent.)
  7. Calculus

    Consider the functions A(x, y) = x^(2)y + xy - 3xy^(2), and B(x, y) = xe^(xy) - y (a) Calculate the x derivative of A, or Ax. (b) Calculate the y derivative of A, or Ay. (c) Calculate the x derivative of B, or Bx. (d) Calculate the y derivative of B, or
  8. chemistry

    Use Ksp for PbCl2 and Kf for [PbCl3]− to determine the molar solubility of PbCl2 in 0.10 M HCl(aq). [Hint: What is the total concentration of lead species in solution?]
  9. Math

    A function has f’’(x) = 10 and has f’(4) = 0 and f(2) = 4. Find f(x)
  10. Chemistry

    List the most i mportant (strongest) intermolecular force(s) that must be overcome to (a) vaporize liquid CH 3 OH (b) remove water of hydration from NiSO 4 • 7H 2 O (c) melt solid KBr so for a Isaid H bonding, for b I said ion-dipole (not sure about this
  11. Geography

    Assess the extent to which the ethical consumption trends may have reduced the negative consequences of globalisation. Thank you.
  12. history

    What did Simón Bolívar promise Alexandre Pétion in exchange for weapons and Haitian troops? promote international trade with Haiti end slavery in Venezuela support Pétion’s bid for reelection in Haiti invade the Dominican Republic
  13. Algebra HELP

    Give an example of a data set for which you can ONLY find the mode but not the mean or median. How can I find a data set with only the mode??
  14. Algebra HELP

    So The graph is asking turn the table below into a frequency table: 0,5 1,4 2,8 3,7 4,2 5,1 6,1 In my opinion it already is a frequency table.. What is it asking me to do??
  15. Math

    Ron is tiling a countertop he needs to place 54 square tiles in each of eight rows to cover the counter he wants to randomly place eight groups of four blue tiles each and have the rest of the tiles be white how many white tiles will Rod need? First I did
  16. History

    the Anglo-Iranian Oil Company (AIOC). What are the objectives of this agreement
  17. An introduction to the Middle East

    Is civil society allowed in Saudi Arabia?
  18. An introduction to the Middle East

    Saudi Arabian political system. What are some of the sources of political influence? What are some of the political reforms demanded
  19. An introduction to the Middle East

    What happened when Faisal took over? What are some of the challenges that Khalid had to face during his reign?
  20. Physics

    An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly 2.6 s after firing the arrow and the average speed of the arrow is 36 m/s. Find the distance sepa­rating the archer and the
  21. History/English

    Could some one tell me what effects an atomic bomb could have on human rights?
  22. Physics0

    A) What area of a black body kept at 300°C radiates 100W? B) If a 25m2 roof has a U-value of 0.4Wm^-2 °C^-1, how much heat, expressed in MJ, would escape through it over a day if the temperature inside the building was maintained at 7°C above the
  23. Physics0

    how to estimate the root mean square speed of hydrogen molecules in the earth's atmosphere in km h^-1? thanks for your help, I'm actually teaching myself physics and that why sometimes I get stuck even with simple questions
  24. Physics0

    A)In your body the following reaction takes place: C6H12O6 + nO2 ! mCO2 + 6H2O What are the numbers n and m? and my answer was: n=6 and m=6, but I don't know what formula shall I use to workout question B B) How many protons are present in 5 tonnes of
  25. Physics0

    The currently accepted maximum depth limit for safe scuba diving while breathing air is 50 metres. What is the absolute partial pressure of oxygen at this depth? my solution was as the following, please correct me if I'm wrong: P=F/A Thus the pressure
  26. Physics

    From the expression E = mgh for potential energy, how can I express the unit of energy, the joule, in terms of kilograms, metres and seconds? could anyone explain to me what this question is asking me for cuz I don't understand it, to be honest? thanks
  27. Physics

    Light is shone from a liquid onto the air. The angle of incidence in the liquid is 45◦. The angle of refraction is measured to be 60◦ to the nearest degree. What is the refractive index of the liquid can anyone help please, I'm really stoked with this
  28. Math

    In this estimation, question gives your answers to one significant figure. A) If a cash point dispenses a £10 note every second, how long would it take to dispense a trillion pounds? B) An aircraft carries 47 tonnes of cargo. If each banknote has a mass
  29. Physics

    A circular metal wire, with a radius of 0.5 mm, has a force of 2 kN applied along it. If the wire has an unstressed length of 3 m and stretches by 8 mm, what is Young’s Modulus for the metal? Give your answer in GPa. Any help would be very appreciated
  30. physics

    Suppose that a spring is attached to a wall. On the other end of the spring, it is attached to an object of 0.263kg. When the spring is compressed at a distance of 15cm, it holds an elastic potential energy of 20.0J. The horizontal surface has no friction;
  31. Chemistry

    Determine the oxidation number of V in the V_4O_12^4− ion given that the oxidation number of oxygen is −2
  32. physics

    Suppose that a body of an object is experiencing SHM ( simple harmonic motion) and it oscillates with position x(t)=(0.55m)Cos(35s^-1t + pi) a)What is the period, frequency, and angular frequency b) calculate its initial velocity and the maximum speed it
  33. physics

    On planet Mars, A pendulum has a length of 4L and period of 5T.what is the acceleration due to gravity ?
  34. physics

    A rotating platform is on a table and an object is on the platform. The platform has a diameter of 30.0cm and it has a string wrapped around it. The string is threaded over a pulley ( which is right next to the platform and attached to the edge of the
  35. physics

    A circular round disc that has a radius of 5cm and a mass of 32g is rotating with an angular velocity of w. A second disc with the same radius but with half of the mass is dropped onto the rotating disc . The two discs slide against eachother till they
  36. physics

    A pitcher can throw a ball towards the home plate at 120km per hour. When thrown, the ball curves. The curveball has a spin of 1250rpm. The ball has a mass of 100g and a radius of 2.5cm Calculate the percentage of total KE that is in rotational KE
  37. physics

    A car wheel has a moment of inertia of 0.35kg m^2. It takes 50 seconds to come to rest from the initial angular velocity of 45 rpm. Calculate the magnitude of the average friction torque
  38. physics

    A wheel has an initial speed of 100 radians/s. It is then slowed down with a magnitude of the constant angular acceleration of 6.0s^-2. To make it come to rest, how many revolutions does it need to make?
  39. physics

    A plane is in a steep downward plunge. To not crash, Captain Q pulls as much as he can. When the plane is at the lowest point of the plane's path the plane is in a circular arc of radius 450m. Captain Q experiences an acceleration of 5.0g ( so her weight
  40. Physics

    Two blocks lie on a triangle as shown in the figure. Block m has a mass of 5 kg and block P has a mass of 14 kg. Assume the inclines and pulleys are frictionless find the tension in the string. They lie with the string resting on the peak of a 110 degree
  41. Physics

    A crate of mass 106 kg is pulled by a rope on a frictionless surface. The rope makes an angle of 40 0 above the horizontal. If the tension on the string is 1183 N, what is the acceleration of the crate?
  42. Physics

    A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with the horizontal, what initial speed must he shoot the ball so that it goes through the hoop without striking the blackboard. The
  43. Physics

    A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with the horizontal, what initial speed must he shoot the ball so that it goes through the hoop without striking the blackboard. The
  44. Physics

    Juan throws a baseball with an initial speed of 40 m/s at an angle of 56 0 above the horizontal. Richard catches the ball at the same height that Juan threw it. How far did Juan throw the ball?
  45. Physics

    A ball rolls without slipping at 5 m/s off an incline of 15 degrees. The ball falls off the incline and enters a hole 4 meters below the incline. What is the horizontal distance between the bottom of the incline and the the hole. I havent the foggiest how
  46. Physics

    For safety reasons, park rangers decide to start an avalanche on a mountain slope. They fire an artillery shell at an angle of 430 above the horizontal with an initial speed of 284 m/s. Thirty seconds later they see the explosion. What is the x coordinates
  47. Physics

    A marble is flicked straight up. It takes 2.3 seconds to reach its maximum height. How long does it take it to return to its original height. Assume there is no air resistance totally lost. if i had velocity, or some other variable i would know what to do.
  48. Physics

    A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown from street level, what is the maximum height that the baseball reaches? Im stumped, please tell me what equations to use as well
  49. physics

    A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown from street level, what is the maximum height that the baseball reaches? im completely stumped, this is a cram semester and my
  50. math

    china population is 1.33 billion and continues to grow at the same rate,how many years until the population reaches 1.5 billion people?
  51. Math

    During a recent survey of two middle school classrooms, 1/3 of the students reported that they bring their lunch to school. Another 1/4 reported that they buy their lunch in the cafeteria and 1/6 reported going home for lunch. The remaining 18 students
  52. Math - calc

    Given that the graph of f(x) passes through the point (6,3) and that the slope of its tangent line at (x,f(x)) is 2x+6, what is f(5)?
  53. Math

    A bank account was opened with a deposit of $2750 at an APR of 3.5% compounded one of the following ways. Find the amount in this account after 6 years with compounding of: (round answers to nearest 100th) annually: $ semi-annually: $ quarterly: $ monthly:
  54. math

    Zeb is going to deposit $3370 into an account that earns 14% APR compounded annually for 37 weeks. What is the "n" in the compound interest formula? n= What is the "t" in the compound interest formula? Enter as a fraction. years What is the "nt" in the
  55. Math

    Mark put $3290 into a bank that offered 3% interest rate compounded monthly. Mark kept the money in this account for 9 years and then moved all this money to a new account that offered 6% interest rate compounded weekly. Do not round any numbers until you
  56. math

    A car today costs $32000. Assume that the average annual rate of growth per year was 5.83% over the last 45 years to answer the following question. Round all answers to the nearest whole dollar. How much would the same value of car have cost 45 years ago
  57. Math

    A bank advertises a savings account that earns 3% APR compounded daily. What is the "n" become for the compound interest formula? What is the APY rate for this loan? Round answer to nearest 100th
  58. Math -- Calculus

    Some years from now you are working for a book publisher. Your boss asks you to give him a formula that will tell him the length and width of a book page that contains A square inches of printed text, a left margin of L inches, a right margin of R inches,
  59. physics

    Two Small sphere are given positive electrical change. When they are 40cm apart the repulsion force between them has magnitude 0.25N what the charge on each sphere if two changes are equal
  60. Math

    For traffic that flows on a highway, the headway is the average time between vehicles. On four-lane highways, the probability P (as a decimal) that the headway is at least t seconds when there are 500 vehicles per hour traveling one way is given is P =
  61. Math

    8x + 14y = 24 6x + 7y = 10 We are suppose to solve for x and y but I don't get the right answer
  62. Chemistry

    Assuming I have the following reaction: LiO2 + C +2 Mg -> LiC + 2MgO I'll be using 0.1 g of LiO2 to react with 1.2 mol C and 2.2 mol Mg in excess. How much C and Mg in grams do I need?
  63. Calc

    This summer Borice decides to put a rectangular swimming pool in his back yard. The material he uses for the border of the length of the pool costs $10 per foot and the material he uses for the width costs $5 per foot. He would like spend $1,000 on the
  64. math

    F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward
  65. math

    F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the unit normal vector,n on S is 3z/(surds14), compute the flux of F(x,y) over the surface S in the first octant oriented upward
  66. soil mechanic

    In order to determine the average permeability of a bed of sand 12.5 m thick overlying an impermeable stratum, a well was sunk through the sand and a pumping test carried out. After some time the discharge was 850kg/min and the drawdowns in observation
  67. physics

    A wooden box, with a mass of 22 kg, is pulled at a constant speed with a rope that makes an angle of 25° with the wooden floor. What is the tension in the rope?
  68. pre calculus

    Use the information to solve the triangle. If two solutions exist find both. 1.A=36°, B=98°, c=16 2.a=4, b=8, c=10 3.A=35°, b=8, c=12
  69. Chemistry

    h2po4(aq) + co34(aq) hco3 (aq) + hpo42 (aq)
  70. homework

    There are 13 fewer pigs than goats on the farm. There are 8 pigs. How many goats are there?
  71. Calculus - fundamental theorems

    d/dx integral e^t^2 dt from 1 to x^3 Please help. I think I'm supposed to use substitution for the x^3 and then apply the chain rule but I'm not sure how to do that.
  72. Fluid Mechanic

    3) Air at standard conditions enters the compressor shown in Fig. Q3 at a rate of 0.3m3/s. It leaves the tank through a 3 cm diameter pipe with a density of 1.8 kg/m3 and the uniform speed of 210 m/s. (a) Determine the rate (kg/s) at which the mass of air
  73. Math

    What is the first common number among: palindromic numbers, Triangular numbers and Fibonacci numbers?
  74. Chemistry 2

    we make a solution of water and ethylene glycol c2h4(oh)2 which contains 24 g of the glycol for each 74 g of water. What is the boiling point of ethylene?
  75. Chemistry

    Calculate the value of Z and its absolute standard deviation. All standard deviations shown are absolute. Show your work and report the standard deviation in the result with two significant digits (to confirm the correct result). Z =
  76. Chemistry

    A student does a standard addition experiment by pipetting 25 mL of unknown, adding ferrous ion spikes and reagents, into a 100 mL volumetric flask and making up to the mark. The equation of the line has a slope of 0.103 and an intercept of 0.135 when the
  77. algebra

    Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 2 – 11x^2 – 8x + 6x^2 A. –5x^2 – 8x + 2; quadratic trinomial B. –5x^2 – 8x; quadratic binomial C. –6x^2 – 8x – 2; cubic polynomial D.
  78. algebra

    What is the degree of each monomial? -9 A. -8 B. 0 C. -10 D. 1
  79. Counting Method

    A company has 11 male and 10 female employees, and needs to nominate 2 men and 2 women for the company bowling team. How many different teams can be formed?
  80. Math 😢😢😢😢😢 Help

    Suppose a jar contains 5 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red.
  81. Compute Probability 😯😢

    Compute the probability of randomly drawing five cards from a deck and getting 3 Aces and 2 Kings. (Give your answer as a fraction.)
  82. Graph Theory

    Must the Graphical Sequence Algorithm always give a connected graph? Assuming the sequence is graphical.
  83. math

    By your cell phone contract, you pay a monthly fee plus some money for each minute you use the phone during the month. In one month, you spent 200 minutes on the phone, and paid $22.45. In another month, you spent 350 minutes on the phone, and paid $29.65.
  84. Algebra

    Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=-14 3x+6y=6 Please help and thanks
  85. Math

    An automobile uses 8 gallons in traveling 120 miles at that rate how many gallons will be used in 360 miles?
  86. Physics

    If the sled in the the previous question weighs 530 newtons and the horse pulls it with a force of 140 newtons across level ground at a constant speed, what is the magnitude of the force of friction between the sled rails and the snow? Hide hint for
  87. chem

    calculate volume of excess KOH(aq) and the volume of 6.00M H2SO4(aq) to neutralize it
  88. chem 2

    0.946g Al in 35 ml of 2.00M KOH and obtained 13.8g of dry alum. calculate the theorecital and actual yield %
  89. physics

    Runner A is initially 6.0 km west of a flagpole and is running with a constant velocity of 7.8 km/h due east. Runner B is initially 4.2 km east of the flagpole and is running with a constant velocity of 7.6 km/h due west. What will be the distance of the
  90. English

    Which of the following is an example of a narrative poem? A. The Bridegroom by Alexander Pushkin B. The Fish by Elizabeth Bishop C. Danny Deever by Rudyard Kipling D. All of the above
  91. Chemistry

    What causes a reaction to be spontaneous? Answer by answering each part a) (1 point) What is definition of spontaneous reaction?b) (1 point) What is Gibbs free energy?c) (1 point) How is Gibbs free energy related to a spontaneous reaction?d) (1 point) What
  92. Chemistry

    The solubility product constant of Calcium hydroxide is 6.5 * 10^-6 . If 0.10 mo of sodium hydroxide is added to 1 L of 0.0001 M Ca(OH)2, what is the final concentration of the calcium ion? SHOW your work. Again, I have no idea where to start
  93. Chemistry

    A 45.0 g piece of copper wire is heated. And the temperature of the wire changes from 21.0 degrees C to 88.0 degrees C. The amount of heat absorbed is 280.6 cal. Find the specific heat of Copper. SHOW your work. Please help! I have no Idea where to start
  94. Physics

    Urgent. A density bottle weigh 0.25 when empty and 0. 75 when. Filled with water and 0.65N when filled with alcohol calculate the volume of water,the density of alcohol. Take density of water=1000kg/m3 acceleration due to gravity= 10m/s
  95. Math 1324

    A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The
  96. Language Arts

    wet with dew straggly branches slapped and scratched at my legs and hid uneven ground so that several times tumbling and sliding downward which type of conflict best characterizes the event in the passage? a character vs self b character vs nature c
  97. Chemistry

    The nitric acid was purchased as a solution that has 70% HNO3. That volume (mL) of this solution is necessary for preparing 250 mL Solution 2.0 mol L-1? The density of HNO3 (aq) 70% is 1.42 g cm-3
  98. Chemistry

    How many grams of sucrose will be necessary to prepare 300 ml of a 5% solution of sucrose (342.0 g/mol)
  99. Math

    A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables altogether red and green marbles are 189 less then blue marbles .how may marbles are there in total
  100. Calculus

    An object's velocity after t seconds is v(t)= 38-2t feet per second. a. How many seconds does it take for the object to come to a stop (velocity = 0)? b. How far does the car travel during that time? c. How many seconds does it take the car to travel half


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