Salman

Popular questions and responses by Salman
  1. Calculus

    The circumference of a sphere was measured to be 74 cm with a possible error of 0.5 cm. Use linear approximation to estimate the maximum error in the calculated surface area.

    asked on November 6, 2009
  2. Calculus

    Using polar coordinates, evaluate the integral which gives the area which lies in the first quadrant between the circles x^2+y^2=64 and x^2 - 8x + y^2 = 0.

    asked on April 17, 2010
  3. Math

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on October 16, 2009
  4. Economics

    Socrates owns just one ship. The ship is worth $200 million dollars. If the ship sinks, Socrates loses $200 million. The probability that it will sink is .02. Socrates' total wealth, including the value of the ship is $225 million. He is an expected

    asked on October 16, 2009
  5. Calculus

    Find the length of the entire perimeter of the region inside r = 16sin(theta) but outside r = 4.

    asked on January 28, 2010
  6. Calculus

    Consider the solid that lies above the square (in the xy-plane) R=[0,2]*[0,2], and below the elliptic paraboloid z=100−x^2−4y^2. (A) Estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the lower left hand

    asked on April 14, 2010
  7. Calculus

    A rancher wants to fence in an area of 500000 square feet in a rectangular field and then divide it in half with a fence down the middle, parallel to one side. What is the shortest length of fence that the rancher can use?

    asked on November 6, 2009
  8. Calculus

    The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.

    asked on November 8, 2009
  9. English

    Identify the italicized phrase in the following sentence. Jolene went to the city to find a new job.

    asked on May 8, 2017
  10. Calculus

    Match each polar equation below to the best description. Each answer should be C,F,I,L,M,O,or T. DESCRIPTIONS C. Cardioid, F. Rose with four petals, I. Inwardly spiraling spiral, L. Lemacon, M. Lemniscate, O. Outwardly spiraling spiral, T. Rose with three

    asked on January 29, 2010
  11. Calculus

    Find an equation of the tangent plane (in the variables x, y and z) to the parametric surface r(u,v) =(2u, 3u^2+5v, -4v^2) at the point (0,-10,-16)

    asked on March 4, 2010
  12. Calculus

    Match each polar equation below to the best description. Each answer should be C,F,I,L,M,O,or T. DESCRIPTIONS C. Cardioid, F. Rose with four petals, I. Inwardly spiraling spiral, L. Lemacon, M. Lemniscate, O. Outwardly spiraling spiral, T. Rose with three

    asked on January 28, 2010
  13. Calculus

    The circumference of a sphere was measured to be cm with a possible error of cm. Use linear approximation to estimate the maximum error in the calculated surface area.

    asked on November 6, 2009
  14. Calculus

    Evaluate the triple integral ∫∫∫_E (x)dV where E is the solid bounded by the paraboloid x=10y^2+10z^2 and x=10

    asked on April 23, 2010
  15. Calculus

    For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT (x^2)/(sqrt(7x^2+4))dx dx x=?

    asked on December 14, 2009
  16. Calculus

    Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint cm thick to a hemispherical dome with a diameter of meters

    asked on November 7, 2009
  17. Statistics

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked on December 2, 2010
  18. Math

    Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4) I just can't seem to find the limits, of x,y and z

    asked on April 26, 2010
  19. Calculus

    The linear approximation at x = 0 to sin (5 x) is A + B x. Find A and B?

    asked on November 7, 2009
  20. physics

    A machine gun fires 20 bullets per second in to a target. Each bullet weight 10 gm and has a speed of 1500m/s; Find the Force necessary to hold the gun in position.

    asked on September 11, 2012
  21. Economics

    Socrates owns just one ship. The ship is worth $200 million dollars. If the ship sinks, Socrates loses $200 million. The probability that it will sink is .02. Socrates' total wealth, including the value of the ship is $225 million. He is an expected

    asked on October 16, 2009
  22. Calculus

    Find the total derivative dz/dt, given z=f(x,y,t) where x=a+bt and y=c+dt

    asked on February 27, 2010
  23. Calculus

    Use linear approximation, i.e. the tangent line, to approximate 8.4^(1/3) as follows: Let f(x)= x^(1/3) . The equation of the tangent line to f(x) at x=8 can be written in the form y=mx+c where m=1/12 and c=4/3: Using this, find our approximation for

    asked on November 15, 2009
  24. Calculus

    Represent the function f(x)= 10ln(8-x) as a Maclaurin series and Find the radius of convergence

    asked on February 27, 2010
  25. Calculus

    Match each polar equation below to the best description. Each answer should be C,F,I,L,M,O,or T. DESCRIPTIONS C. Cardioid, F. Rose with four petals, I. Inwardly spiraling spiral, L. Lemacon, M. Lemniscate, O. Outwardly spiraling spiral, T. Rose with three

    asked on February 1, 2010
  26. Math

    Use linear approximation, i.e. the tangent line, to approximate 1.6^3 as follows: Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 2 can be written as y=12x-16 Using this, we find our approximation for 1.6 ^3 is ???????

    asked on November 7, 2009
  27. Math

    Find the derivative of the inverse of the function f(x)=6x+(9x^21) when x=-15

    asked on October 16, 2009
  28. Calculus

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked on December 14, 2009
  29. Calculus

    Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0

    asked on February 5, 2010
  30. Maths

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked on December 14, 2009
  31. chemistry

    If you added 4mL NaOH 1 M to your 100 mL buffer, would it still be a usable buffer according to our conventions? Explain why or why not.

    asked on October 21, 2019
  32. Stats and Data

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked on December 2, 2010
  33. Calculus

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked on December 13, 2009
  34. Calculus

    Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.040000 cm thick to a hemispherical dome with a diameter of 60.000 meters

    asked on November 11, 2009
  35. Math

    A fence 4 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

    asked on November 7, 2009
  36. Math

    prove lim x->0 sinx/x=1

    asked on October 24, 2009
  37. Math

    t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on October 15, 2009
  38. Calculus

    For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT (x)/(sqrt(-191-8x^2+80x))dx x=?

    asked on December 14, 2009
  39. Economics

    A computer company produces hardware and software using the same facility. (i.e., with the same L and K). The total cost of producing software (S) and hardware (H) equals: TC = a S + b H - d S H, where a, b, and d are positive constants. Are there

    asked on October 16, 2009
  40. Maths

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked on October 15, 2009
  41. Math

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked on December 2, 2010
  42. Calculus

    Use Newton's method to approximate a root of the equation (2 x^3 + 4 x + 4 =0) as follows. Let (x_1 = -1\) be the initial approximation. The second approximation (x_2) is ? and the third approximation (x_3) is ?

    asked on November 11, 2009
  43. Calculus

    Determine where the absolute extrema of f(x)=-3(x^2)+7x on the interval [1,3] occur. 1. The absolute maximum occurs at = 2. The absolute minimum occurs at =

    asked on November 7, 2009
  44. Math

    A conical water tank with vertex down has a radius of 10 feet at the top and is 29 feet high. If water flows into the tank at a rate of 10 , how fast is the depth of the water increasing when the water is 17 feet deep?

    asked on October 15, 2009
  45. Physics

    Half life of radium is 44 years.The sample will reduce to 50% of its orignal value after how many years?

    asked on January 28, 2017
  46. Calculus

    For the following integral find an appropriate trigonometric substitution of the form x=f(t) to simplify the integral. INT((4x^2-3)^1.5) dx x=?

    asked on December 10, 2009
  47. Economics

    A computer company produces hardware and software using the same facility. (i.e., with the same L and K). The total cost of producing software (S) and hardware (H) equals: TC = a S + b H - d S H, where a, b, and d are positive constants. Are there

    asked on October 16, 2009
  48. Calculus

    Evaluate the triple integral ∫∫∫_E (x+y)dV where E is bounded by the parabolic cylinder y=5x^2 and the planes z=9x, y=20x and z=0.

    asked on April 23, 2010
  49. Math

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked on December 14, 2009
  50. Calculus

    Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=-5 to x=8

    asked on December 8, 2009
  51. Maths

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked on December 2, 2010
  52. Calculus

    Represent the function f(x)=10ln(8-x) as a Maclaurin series. sum_{n=0}^infty (c_n) (x^n) The coefficients are C_0= 10ln8 C_1=-10/(8) C_2=-10/128 C_3=-20/3072 C_4=-60/98304 FIND THE RADIUS OF CONVERGENCE: R=?

    asked on February 26, 2010
  53. Business

    I have to give a presentation for which i need to think of a business plan, work out its intricacies and plan its operations. I will need to focus on • Nature of Business • Target Market • Startup strategy • Financial Projections & Feasibility •

    asked on November 15, 2009
  54. Math

    If p,q and r are whole numbers and p + 1/[(q+1)/r] = 25/19, what is the value of q ?

    asked on February 7, 2009
  55. Calculus

    Evaluate the triple integral ∫∫∫_E (xy)dV where E is the solid tetrahedon with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

    asked on April 23, 2010
  56. Calculus

    Represent the function f(x)=10ln(8-x) as a Maclaurin series. sum_{n=0}^infty (c_n) (x^n) The coefficients are C_0= 10ln8 C_1=-10/(8) C_2=-10/128 C_3=-20/3072 C_4=-60/98304 FIND THE RADIUS OF CONVERGENCE: R=?

    asked on February 25, 2010
  57. Calculus

    Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0

    asked on February 6, 2010
  58. Calculus

    For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT x(sqrt(8x^2-64x+120))dx x=?

    asked on December 14, 2009
  59. Calculus

    The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.

    asked on November 7, 2009
  60. Math

    Gravel is being dumped from a conveyor belt at a rate of 20 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 11 feet

    asked on October 15, 2009
  61. Calculus

    Find an equation of the tangent plane (in the variables x, y and z) to the parametric surface r(u,v) =(2u, 3u^2+5v, -4v^2) at the point (0,-10,-16)

    asked on March 4, 2010
  62. math

    if a river flows south at 10 km/h and a boat moves north against the current at a rate of 18km/hr, what is the net actual speed of the boat in the water

    asked on January 27, 2013
  63. Calculus

    Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4) I just can't seem to find the limits, of x,y and z

    asked on April 26, 2010
  64. Calculus

    Use a triple integral to find the volume of the solid bounded by the parabolic cylinder y=3x^2 and the planes z=0,z=2 and y=1.

    asked on April 23, 2010
  65. Maths

    A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the

    asked on February 5, 2010
  66. Math

    A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the

    asked on February 5, 2010
  67. Calculus

    Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0

    asked on February 4, 2010
  68. Calculus

    Evaluate the triple integral ∫∫∫_E (z)dV where E is the solid bounded by the cylinder y^2+z^2=1225 and the planes x=0, y=7x and z=0 in the first octant.

    asked on April 23, 2010
  69. Calculus

    Evaluate the triple integral ∫∫∫_E (x^2.e^y)dV where E is bounded by the parabolic cylinder z=1−y^2 and the planes z=0, x=1 and x=−1.

    asked on April 23, 2010
  70. Calculus

    Find the maximum and minimum values of f(x,y)=3x+y on the ellipse x^2+4y^2=1

    asked on April 14, 2010
  71. Calculus

    f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)

    asked on November 22, 2009
  72. Writing

    Someone plz give me interesting topics for argumentative essay

    asked on November 6, 2009
  73. Social Studies

    What did the Europeans call the Native Americans? Indians "Noble savages' or just "Savages' were also commonly used Are you sure about savages and not Indians? Columbus was the first person to call the natives Indians because he thought he was in the East

    asked on December 17, 2006
  74. Calculus

    Evaluate the triple integral ∫∫∫_E (xyz)dV where E is the solid: 0

    asked on April 23, 2010
  75. Calculus

    Use a triple integral to find the volume of the solid enclosed by the paraboloid x=8y^2+8z^2 and the plane x=8.

    asked on April 23, 2010
  76. Calculus

    A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the

    asked on February 5, 2010
  77. Calculus

    For the following integral find an appropriate TRIGNOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT((4x^2-3)^1.5) dx x=?

    asked on December 10, 2009
  78. Math

    intergrate(e^5x)/((e^10x)+4)dx

    asked on December 8, 2009
  79. Maths

    There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the

    asked on November 20, 2009
  80. Calculus

    Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

    asked on April 28, 2010
  81. Calculus

    Consider the transformation T:x=(41/40)u−(9/41)v , y=(9/41)u+(40/41)v A. Computer the Jacobian: delta(x,y)/delta(u,v)= ? B. The transformation is linear, which implies that it transforms lines into lines. Thus, it transforms the square S:−41

    asked on April 14, 2010
  82. Calculus

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked on March 1, 2010
  83. Calculus

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked on February 27, 2010
  84. Calculus

    Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0

    asked on February 5, 2010
  85. Calculus

    Find the maximum and minimum values of f(x,y,z)=3x+1y+5z on the sphere x^2+y^2+z^2=1

    asked on April 2, 2010
  86. Economics

    The Keynesian Multiplier under lump sum taxes A. Smaller than that under proportional tax B. Equal to that under proportional tax C. Larger than that under proportional tax D. Can be larger or smaller depending upon the size of the tax Choose the right

    asked on March 17, 2010
  87. Economics

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked on February 26, 2010
  88. Economics

    what does the positive slope of a line with Government expenditure (G) represent when Y=Total expenditure is on the x axis. For simplification, in the equation G=a+tY, where a and t are constants, what does t represent?

    asked on February 23, 2010
  89. Calculus

    Find the area of the region bounded by: r=7-1sin(theta)

    asked on January 29, 2010
  90. Math

    For each of the given functions f(x), find the derivative (f^−1)'(c) at the given point c, using Theorem , first finding a=(f^−1)(c) when c=-15

    asked on October 15, 2009
  91. calculus

    Find the volume of the solid obtained by revolving the graph of y=7x*(4-x^2)^(1/2) over [0,2] about the y-axis

    asked on October 10, 2010
  92. Calculus

    Find the partial derivative y with respect to s for the following function: y=[((x1)^2)+(x1)(x2)+((x2)^2)]/((x1)+(x2)) where x1=s+2 and x2=s^2+t^2+t . x1 means x subscript 1 x2 means x subscript 2

    asked on February 28, 2010
  93. Calculus

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked on February 28, 2010
  94. Calculus

    A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the

    asked on February 5, 2010
  95. Math

    f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)

    asked on November 22, 2009
  96. Math

    Consider the function f(x) = 7 x + 3 {x ^ -1 }. For this function there are four important intervals: (-infinity, A], [A,B),(B,C), and [C,infinity) where A, B and C are either critical numbers or points at which f(x) is undefined. Find A, B and C

    asked on November 7, 2009
  97. science chemistry

    Explain how Particles moves in solid lead,molten solid,gaseous lead in these three state of matter

    asked on January 21, 2017
  98. Economics

    If investment is dependent on income in addition to interest rate (assuming C and G have usual forms) then the Keynesian multiplier will A. Not Exist B. Equal to as compared to the case where investment is not dependent on Y C. Smaller as compared to the

    asked on March 17, 2010
  99. Calculus

    Find the partial derivative y with respect to s for the following function: y=[((x_1)^2)+(x_1)(x_2)+((x_2)^2)]/((x_1)+(x_2)) where x_1=s+2 and x_2=s^2+t^2+t . The underscore (_) stands for subscript

    asked on February 27, 2010
  100. Economics

    A system of equations is given by: F1(x,y,a,b) = x² + bxy + y² - a – 2 = 0 F2(x,y,a,b) = x² + y ² - b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the

    asked on February 27, 2010

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