Posts by Dan

Total # Posts: 1,226

  1. Analytical Geometry

    Find the equation of the circle that passes through the point of intersection of the circles x^2+y^2=2x, x^2+y^2=2y and contains the point (2,1)
  2. Social Studies

    well i guess my answer is C because they really did it by them selves and started something that continued for a while and plus bingo meant a lot to them.
  3. Social Studies

    gaming rights , fishing rights etc
  4. Social Studies

    well its talking about their rights during that period where fishing was going on and they opened a casino.
  5. Social Studies

    7. Which of the following is a way that Native Americans in Washington have become more economically self-sufficient? 1.canoe journeys from Vancouver Island **** 2.relocation of reservations near urban centers and gaming operations, such as casinos 4.stock markets ...
  6. math

    Find the indicated nth partial sum of the arithmetic sequence. 2, 10, 18, 26, . . ., n = 15
  7. math

    Find the partial sum. 100 ? 2n n = 1
  8. math

    A hardware store makes a profit of $41,000 during its first year. The store owner sets a goal of increasing profits by $9000 each year for 4 years. Assuming that this goal is met, find the total profit during the first 5 years of business.
  9. Science

    Thank you SO MUCH Ms.Sue!!
  10. Science

    "In this lesson, you learned about renewable energy resources and nonrenewable energy resources. Think about the resources discussed in this lesson and select the one that you think is the most effective in all ways. Think about the financial impact, the ability to be ...
  11. Math

    Solve the system of equations algebraically. Show all of your steps. y=x^2+2x y=3x+20
  12. Algebra

    16 1/4 simplify expression assume all variables represent positive numbers

    Yes, HELLO!!! Can someone help?????

    (a) If your relaxed eye has a refractive power of 56.0 D, and your lens-to-retina distance is 2.35 cm, determine if you are nearsighted or farsighted. (b) If you are nearsighted, determine your far point. If you are farsighted, determine your near point.
  15. electrical year 2

    how do i answer this. A series RL circuit contains two resistors and two inductors.the resistors are 33 ohms and 47 ohms the inductors have inductive reactances of 60 ohms and 30 ohms. the applied voltage is 120 v. what is the voltage drop on the 33 ohm resister?
  16. History

    Which religion was prominent to much of North Africa in the early 1800s?
  17. Physics

    I've figured out the problem, thanks for your help.
  18. Physics

    Never mind of the 56, sorry.
  19. Physics

    As well as 56?
  20. Physics

    I'm sorry, but where did 128m and 72m come from? Is that part of a formula?
  21. Physics

    A golfer hits a shot to an elevated green. The ball leaves the club with an initial speed of 16 m/s at an angle of 58' above the horizontal. If the speed of the ball just before it lands is 12 m/s, what is the elevation of the green above the point where the ball is struck?
  22. math

    jeff jogged 5/6km while jon joghed 7/12km whi jogged longer?by how manu kilometer?
  23. math

    jeff jogged 5/6km while jon jogged 7/12km.who jogged longer bu how many kilometers?
  24. math

    jeff jogged 5/6km while jom jogged 7/12km.who jogged longer? by how many kilomteres?
  25. Mathemetics

    the value of a machine depreciates each year by 15%of its value at the beginning of that year. if its value when new on 1st JANUARY 1980 was 10,250, what was its value in January 1989 when it 9years old?
  26. Science

    I have two questions and I have answers for them and I don't know if there right or not. The ones that have stars by the answers is the answers I picked. 1. Complete this sentence. If volume remains the same while the mass of a substance ________, the density of the ...
  27. geometry

    The reason the answer is 32 is the answer is because m<1=m<2. Thus if you divide the trapezoid in half using the diagonals to do so, The two triangles would be isosceles. We know this because we can use the converse of base angle thereom. Since the two legs would be the ...
  28. Anatomy & Phisiology

    Given: WBC count is 10,000 per cubic millimeter of blood; Blood volume is 5 liters; 60% of WBC are neutrophils; Their average lifespan is 12 hours. Question: How many neutrophils need to be produced every hour on average to keep the count a constant?
  29. physics

    A railroad car with a mass of 1.98 ? 104 kg moving at 2.92 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.54 m/s. (a) What is the speed of the three joined cars after the ...
  30. physic

    i still dont understand how to find the v final. Can you show an example @bobpursley
  31. physic

    i still dont understand how to find the v final. Can you show an example @bobpursley
  32. physic

    1. A 57 g tennis ball is moving to the left at 36.2 m/s. It collides with a wall and rebounds to the right. The tennis ball is in contact with the wall for 0.107 s and it loses 14% of its kinetic energy during the impact. What is the average force (magnitude & direction) ...
  33. Geography (solar declination)

    For a assignment we were told to go outside at 12:30 and stand w/ our backs to the sun and measure our shadow. Then for the second part we were asked what would the difference be if we did the same thing on June 21st? (summer solstice). If it were done on June 21st what would ...
  34. Geography (w/ geometry)

    I am completely confused when it comes to this problem, I don't even know where to start. I tried just seeing how many times the bridge length goes into the building's shadow but still comes up way short. this is the problem (btw in the real life photo the bridge is 1 ...
  35. Geography (w/ geometry)

    Thanks a lot that did help. on another related note, the second part of the question asks what would the length of my shadow be if I did this on June 21st (summer solstice). Wouldn't my shadow be non-existent because the sun isn't behind me, but directly above me?
  36. Geography (w/ geometry)

    Well my assignment is asking that I use the equation and info provided to estimate the latitude of Tempe, AZ. which according to google earth is about 33 degrees. so I'm not sure what I am doing wrong. should've posted that originally, sorry.
  37. Geography (w/ geometry)

    So I'm trying to calculate the latitude of where I am via a few factors. My lesson says I need to know the following: The date of my measurements: 4/3/17 the time: 12:30 my height: 5' 10" my shadows length: 4' 6" It then says first, compute the angle of ...
  38. Calculus

    Find dy/dt where y = 2 sqrt(2)? 4 and dx/dt = 9 when x = 4. I found the derivative of y=2sqrt(2)-4 but I am stuck as to where to plug in dx/dt
  39. physics

    The spring is compressed against the floor a distance of 1.6 cm and released. If the spring constant is 60 N/m, what is the magnitude of the spring force acting on the toy at the moment it is released?physics
  40. physics

    In an arcade game, a 0.12 kg disk is shot across a frictionless horizontal surface by being compressed against a spring and then released. If the spring has a spring constant of 230 N/m and is compressed from its equilibrium position by 8.0 cm, what is the magnitude of the ...
  41. Chemistry

    Convert the information described below into balanced equation: (a) When a mixture of copper(II) oxide and carbon is heated, elemental copper forms and carbon monoxide evolves into the atmosphere. (b) When a concentrated solution of sodium hydroxide is added to an aqueous ...
  42. Algebra

    a large pizza costs $6.80 plus $.90 per topping. a different pizza costs $7.30 plus $.65 per topping. How many toppings need to be added to each piece in order for the pizzas to cost the same thing?
  43. Social Studies 6th grade

    thank you
  44. Social Studies 6th grade

    What is a modern form of paper.
  45. Social Studies

    How has paper changed over time.
  46. math help plz?!

    One of them should be g/mm that's for sure.
  47. Language/english

    Just tell me what they have alike and how they are different plz.
  48. Language/english

    In a paragraph, compare and contrast the two forms of poetry haikus and limericks. It should include a specific description of each form. Explain how they are both alike and how they are different.
  49. language

    thank you
  50. language

    1:Which word is a conjunction in the sentence: The man quickly but carefully opened the oysters hard shell. A:quickly B:but C:carefully D:opened
  51. physics

    a uniform plank of lenght 5m and a mass1kg support two masses of 500g and 300g . determine the centre of gravity
  52. Math

    Graphic designer has offered client 3 options. Poster 1 16x20 inches. Poster 2 1/2 the side of option 1. Option 3 poster that is 5/4 the size of Option 1. The photo on Option 1 is 4x5inches what size would that photo be on Option 2 and Option 3?
  53. physics

    9.81 m/s is the constant for gravity, or acceleration during free fall. He is correct and his math works out as well. Because you were only given the time it took for the ball to reach its initial position half of the time it spent in travel is against gravity and the other in...
  54. grammer

    find the error?? The client’s hospital stay was prolonged, do to a superinfection. client’s/stay was/do to
  55. english

    yes had asked bc its a pp thanks
  56. physics

    @bobpursley could you help me solve it
  57. physics

    what is the equation that i would use to figure out this answer?
  58. physics

    how would i find mass?
  59. physics

    Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 11.2 m long. His speed at the bottom of the swing is 7.4 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ? 103 N. What is the largest mass that Tarzan can have and ...
  60. Math

    The flower produced by the morning glory has a polygon appearance. Classify and name the polygon produced by the flower What does classify mean?
  61. riddle

    Y'all suckas are here because of the kiss 100 thing right? lol
  62. science

    A car slows down from a speed of 20m/s to rest in 25 seconds.Find its acceleration.
  63. physics

    A pendulum clock has a pendulum shaft made of aluminum which has a coefficient of linear expansion of 24.0*10^-6K^-1. At 22 degrees celsius the period of the swing of the pendulum is 1.00seconds. If the temperature is reduced to 5 degrees celcius, how much time does the clock ...
  64. Physics

    The temperature of the Sun’s surface (the so-called photosphere) is about 5500 C. Assume that the Sun’s surface is pretty close to a perfect black-body emitter. (a) At what wavelength does the peak intensity of Sun’s radiation lie? (b) Estimate the total power ...
  65. Geometry

    I am doing volume and surface areas of 3D figures, and am running into the problem of having to give the exact answers as well as approximate answers. The approximate answers I don't have a problem with but the exact answers are requiring me to get the solution of a ...
  66. Geometry

    It is saying the answer is 86.96 sq. meters though sorry should've included that in the first place. I just don't understand how they got that answer
  67. Geometry

    Samantha is buying carpet for her family? room, which is 8 yards by 13 yards. The carpeting is sold in square meters. How many square meters of carpeting will she? need? ? (Use 1 yd ? 0.9144?m.) I am pretty sure 8 and 13 need to be squared and then added together maybe? But I...
  68. Math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?
  69. Stats

    In each hand of Blackjack, Megan wins $2 with probability 0.1, or wins $1 with probability 0.3, or loses $1 with probability 0.6. Suppose Megan continues to play 100 hands of Blackjack, and assume the outcomes of all plays are independent. (a) Compute the expected payo? after ...
  70. algebra

    the dollar price for a barrel of oil sold at a certain oil refinery tends to follow the demand equation below where x is the number of barrels of oils on the hand in ( millions ) a) how much should be charged for a barrel of oil if there are 6 million
  71. Algebra

    Also can you please show how you got the answer???
  72. Algebra

    New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2?
  73. Math

    If recipe takes 1-1/4 cups of sugar to 2 cups of milk but if you only have 1 cup of sugar then how much milk do you use?
  74. Math

    At a local music store CDs cost 11.99including tax is the number of CDs purchased proportional to the cost of the CDs
  75. Physics

    A car will skid to a halt at a uniform rate of -9.4 m/s^2. If you measure skid marks that are 34 m long, with what speed was the car going just before the driver slammed the brakes?
  76. Math

    -7-14 :(-7)=
  77. Chemistry

    2NaHCO3 >> Na2CO3 + H2O + CO2
  78. Math

    If 3/8 of a cup of milk makes 6 muffins , how many muffins does 1 cup of milk make
  79. hcc

    also is wronh one??
  80. hcc

    When you add sugar to it, your cup of coffee becomes not only sweet, also fattening. which part is wrong??
  81. hcc

    we can say them self
  82. hcc

    which part is wrong? When a person finds itself in stressful situation, it helps to breath deeply.
  83. hcc

    we can say The bottle of tablets has expired.
  84. hcc

    The bottle of tablets has an expired expiration date. which part is wrong???
  85. hcc

    completely under
  86. hcc

    The physician started to perform the operation but the patient was not yet completely under anesthesia. which part of sentence is wrong?
  87. hcc

    no which we should use before administered.... since/from/as
  88. hcc

    A tuberin skin test should be read within 24 hours administered. since-from-as
  89. Math

    5= 6y; y
  90. Math

    X= 2; 7x^3 + 4
  91. accounting

    A term investment of 85000, is madr for 10 years at 4.25% interest. Find the value of the investment at maturity if interest is compoundes quarterly?
  92. Frederick

    A wire of length 50cm is cut into two parts and each part is bent to form a square. If the total area of the two square is 100cm², find the perimeter of each square.
  93. Chemistry

    When 28.2706 grams of solute are used to make a 932 mL solution of potassium hydroxide, what is the concentration of the solution?
  94. Chemistry

    How many grams of solute are required to make a 789 mL solution of calcium acetate with a concentration of 0.0049 M?
  95. Maths

    There is a lampost of twenty meters in height casting light on a tree 10 metres. How long is the shadow of the tree?
  96. Physics

    During a free kick at a soccer playoff game a 0.5 kg ball at the peak of the kick 14.7 m above the field had a kinetic energy of 34.0 J. How fast was the ball booted by the player on the field?
  97. Physics

    A bead of mass m = 41.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground
  98. Physics

    A 3.1 kg pendulum bob hangs from a 2 meter string. It is pulled to the side, position A, so that the bob is 98 cm (h on the sketch) above the lowest position, position C. The bob is released and begins to swing. What is its potential energy after it has swung to position B, 34...
  99. Physics

    A point mass m = 115 g hangs from a string of length l = 1.07 m. Calculate the value of v, the initial speed m should be given at the bottom, so that the string reaches a maximum angle of = 31.4°?
  100. Physics

    During a free kick at a soccer playoff game a 0.5 kg ball at the peak of the kick 14.7 m above the field had a kinetic energy of 34.0 J. How fast was the ball booted by the player on the field?