1. Geometry

    I would greatly appreciate any help I can get with this problem. I need to find the volume of a right triangular prism. The sides of the triangles measure 2cm and the length of the prism is 10cm. I found the surface area to be 64sq cm...is this correct?

    asked by Nicole on February 24, 2010
  2. help me calculus

    the parametric equation of a curve are x=cos2Øand y=1+sin2Ø find dy/dx and d^2y/dx^2 at Ø=pai/6.find the relationship between x and y sir steve help see my work dx/dØ=-2sin2Ø dy/dØ=2cos2Ø dy/dx=dy/dØ*dØ/dx dy/dx=2cos2Ø*1/-2sin2Ø dy/dx=-cot2Ø

    asked by practising and need help on November 13, 2016
  3. Physics URGENT!!!

    Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate (b)

    asked by Anonymous on September 30, 2012
  4. Physics

    Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate (b)

    asked by Anonymous on September 30, 2012
  5. Algebra/Pre-Calc

    Find the values for a and b such that f(x) is continuous on the interval 0 < or = to x < or = to 13. { 2x^2, 0 < or = to x < or = to 3 f(x) = { ax + 3, 3 < or = to x < or = to 7 { b, 7 < or = to x < or = to 13 Can someone explain? Am I suppose to find the

    asked by Pamela on July 6, 2007
  6. Physics

    Two packing crates of masses m1 = 10.0 kg and m2 = 4.10 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 4.10-kg crate lies on a smooth incline of angle 33.0°. (a) Find the acceleration of the 4.10-kg crate.

    asked by Cora on September 30, 2012
  7. Calc

    a) y =ln(x-1) find dy/dx=? b) y=3 ln x - ln (1/x) where x >0, dy/dx= ? My teacher says the answers are a) (2x)/(x^2-1) and b) 4/x I am not sure how you find the derivative when they involve ln. Could you please explain to me how to get these answers? I

    asked by Jamie on January 16, 2007
  8. physics

    A sound wave has a frequency of 686 Hz in air and a wavelength of 0.50 m. What is the temperature of the air? -Find wavelengths for 20 hz: -Find wavelengths for 20,000hz:

    asked by Erika on April 24, 2013
  9. Math

    Triangle abc is right angled at a .ad is drawn perpendicular to bc .if ab=5cm and ac=12cm find the area or triangle abc. Also find the length of ad

    asked by Sojal on December 17, 2016
  10. Math

    The scale of a map is 1 inch : 5 miles. Find the distance. A lake is 7 in. long on the map. Find the actual length of the lake.

    asked by Anonymous on January 25, 2016
  11. calculus

    a. find an equation for the secant line through the points where x has the given values. b. find a equation for the line tangent to the curve when x has the first value. y=9square root(x); x=16, x=25

    asked by Duane on October 26, 2014
  12. physics

    Given the following forces acting on an object find the net force: 2.0N[N], 10N[S], 2.0N[W], 8.0N[E] The mass is 5.1 kg with the net force find the objects acceleration

    asked by Melissa on April 4, 2012
  13. easy GEOMETRY!!

    1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee

    asked by keisha on October 22, 2013
  14. math

    Hi, How do I find the coefficient of variation? I found the sample variance and the standard deviation for the problem I'm trying to solve, but I can't find the coefficient of the variation

    asked by Stella on May 3, 2009
  15. Precalculus

    I really need help on this as I have tried multiple times and my answers are none of these. Please help 1. Find (f*g)(x) where f(x)=1/(x^2+3) and g(x)=sqrt(x-2). a. (f*g)(x)=1/x-2 b. (f*g)(x)=1/sqrt(x-2)+3 c. (f*g)(x)=1/x+1 d. (f*g)(x)=sqrt(-2x^2-5/x^2+3)

    asked by Girly Girl on September 5, 2017
  16. math

    Hi, How do I find the coefficient of variation? I found the sample variance and the standard deviation for the problem I'm trying to solve, but I can't find the coefficient of the variation

    asked by Stella on May 3, 2009
  17. p i s j

    The mass of fan astronaut is 100kg 1)find its weight on earth. 2)find its weight on moon. When the gravitational acceleration on moon is 1.6 ms

    asked by ibrahim on October 19, 2014
  18. math

    To find the volume of a box, you can multiply its height, length, and width. The measure of the volume of a box is 357. Find its possible dimensions.

    asked by gabi on September 7, 2010
  19. math

    Consider the function:(-2x^2 +3x -7) y= -2x^2x +3x +17 Find y ′ using implicit differentiation. Do not solve for y. What is the slope of the tangent at (x,y) = (−1,−1)? Find y ′ by solving for y and using the quotient rule. What is the slope of the

    asked by excel on April 1, 2017
  20. calculus

    Find the extreme values of the function for the given intervals. 2x^3 – 21x^2 + 72x a) [0,5] b) [0,4] I have both the minimum values for both intervals which is 0. But I am unable to find the maximum. please help!!!

    asked by Abdullah on March 13, 2011
  21. Cubic Equations

    I have three that I need help with if possible. 1. Solve 2x^3 - 3x^2 = 6x - 9 2. Find all real and imaginary roots of the polynomial equation 3x^4 - x^3 + 4x^2 - 2x - 4=0 3. Find a cubic equation with integral coefficients and roots 3i and -5.

    asked by Belinda on January 8, 2012
  22. math

    Please help me solve this problem... thanks! 1.Find the equation of the line that cntains the pont (5, -1) and has slope -1/2 2.find the equation of the line that passes through the points (-2,1) and (1,-5)

    asked by jojo on October 26, 2009
  23. chemistry

    How is a mole ratio used to find the limiting reactant? Is there a specific equation to find the limiting reactant? Can someone explain it to me because I don't understand it.

    asked by Clary on April 7, 2010
  24. College Algebra 105

    use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=-169x^7-x^6+x+13 and then the second part is find the potential rational zero's.

    asked by Dawn Mason on December 9, 2013
  25. geometry

    1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee

    asked by cyrus on December 13, 2014
  26. math

    Consider the function: (-2x^2 - 2x-4) y = 2x^2 - x +10 Find y ′ using implicit differentiation. Do not solve for y. What is the slope of the tangent at (x,y) = (2,−1)? Find y ′ by solving for y and using the quotient rule. What is the

    asked by Phemmi on April 2, 2017
  27. math

    a=3,b=2,c=2 would this make a triangle? if so, how would i find the angles? thanks for helping. You would find the angles using the cosine law. When all three sides are given to a triangle, you can solve for each angle.

    asked by maggie on June 13, 2007
  28. geometry

    I really dont get why there are two NQ and 2 CA. can someone explain 1) Find the value of the variable and MN if N is between M and Q. Round to the nearest hundredth if necessary. MQ = 5m + 1, NQ = 4m, NQ = 12 Select one: a. m = 4, MN = 5 b. m = 3, MN = 4

    asked by need help on June 10, 2018
  29. Algebra 1

    Write an equation of a line that passes through (-12, -14) with slope 6. A.y = 6x - 12 B.(y + 14) = 6(x + 12) C.(y + 12) = 14(x + 6) I've tried so many different ways to find this answer but can't. Please help me and please show me how you got it. I don't

    asked by Ella on March 13, 2012
  30. Math

    The scale of a map is 1 inch : 5 miles. Find the distance. A road is 3 in. long on the map. Find the actual length of the road.

    asked by Anonymous on January 25, 2016
  31. math

    Let f be he real-valued function defined by f(x)=sin^3x+sin^3|x| (a) find f'(x) for x>0 (b) find f'(x) for x

    asked by Mariam on November 4, 2010
  32. Calculus

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3 A) Find the area of R B) B. Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area.

    asked by Samantha on May 6, 2014
  33. physical science

    Trying to find the power to this ?. A weightlifter lifts a 1250-n barbell 2meters in 3seconds. How much power was used to lift the barbell? Do you have to find the work first??

    asked by Liam on April 26, 2011
  34. CAL

    Consider the function y = 3x5 – 25x3 + 60x + 1. Find the absolute maximum value of y on the interval [0, 3]. What do you get I got -322, but I'm not 100% on how to find the absolute maximum.. so is that right?

    asked by Kelly on December 9, 2014
  35. Algebra

    A big sale is happening today at the Newton Shoe Store. You buy two pair od running shoes. The first pair is $64, which is 20% off the original price. The second pair os $72, which is 40% off the original price. what is the persent of discount on the

    asked by Kaylee on March 27, 2008
  36. Statistics

    Males make a mean of 531 on math SAT with standard deviation of 114. Minimum 600 score. what's the % of males that don't satisfy this requirement? Pregnancies usually distributed mean of 268 days and standard distribution 15 days. Baby born three week

    asked by Sue on December 5, 2006
  37. Advanced Accounting

    Time had a bad year in 2001; the company suffered a net loss. The loss pushed most of the return measures into the negative column, and the current ratio dropped below 1.0. The company's debt ratio is still only .27. Assume top management of Time is

    asked by Eugene on September 11, 2007
  38. chemistry

    consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7

    asked by timathy on March 23, 2008
  39. Help 5!!!

    5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. y = 3x - 6 6y = -x + 2 On the second equation, change it to read y= ...,. Divide both sides of that equation by 6 to get the desired result. how?? The

    asked by Margie on October 13, 2006
  40. math

    I am looking for the median, I believe it is 39 am I correct? 26, 30, 38, 67, 59, 21, 17, 85, 22, 22 First line up all the numbers in order from smallest to biggest. 17 21 22 22 26 30 38 59 67 85 Next cross off one number from the left and then one from

    asked by Christi on June 3, 2007
  41. physics

    Four objects are held in position at the corners of a rectangle by light rods . m1 2.90(kg) m2 1.90(kg) m3 4.50(kg) m41.90 (kg) (a) Find the moment of inertia of the system about the x-axis. Answer in kg · m2 (b) Find the moment of inertia of the system

    asked by Allie on October 26, 2011
  42. Calculus

    1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain? 2. Evaluate lim x -->1 ((√x^2 +8) -3))/(x-1) 3. A particle moves on a line away from its initial position so that after t hours it is s = 4t^2+t

    asked by Dante on October 1, 2017
  43. Calculus

    1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain? 2. Evaluate lim x -->1 ((√x^2 +8) -3))/(x-1) 3. A particle moves on a line away from its initial position so that after t hours it is s = 4t^2+t

    asked by Dante on October 1, 2017
  44. Calculus

    We're learning disks, shells, and cylinders in school but we have a substitute and I've been trying to teach this to myself. Can you check them please? =) Thank you! 1) Find the volume of the solid formed when the region bounded by curves y=x^3 + 1, x= 1,

    asked by Hannah on May 21, 2013
  45. Calculus

    We're learning disks, shells, and cylinders in school but we have a substitute and I've been trying to teach this to myself. Can you check them please? =) Thank you! 1) Find the volume of the solid formed when the region bounded by curves y=x^3 + 1, x= 1,

    asked by Hannah on May 21, 2013
  46. GEOMETRY CIRCLES PLEASE

    1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to

    asked by BARBIE LEE on December 7, 2013
  47. science

    I need to find a good site with information about the bacteria Alcaligenes faecalis. I haven't been able to find anything no matter how much I searched, only bits and pieces. Would u know any good sites?

    asked by ali on December 10, 2006
  48. Macroeconomics

    Assume that preferencse are given by u(c,L) = 2*ln(c) +ln(L). The wage rate is $15 and the person has 120 hours of time available. Profits are 0. Taxes are 0. Write down two equations that describe the constraints faced by this consumer. Find an equation

    asked by Kayla on May 24, 2008
  49. US history

    US-Soviet relations during the early years of Reagan Administration: A. improved because NATO decided not to deploy cruise missiles in Europe. B. changed little despite the positive messages sent from the new Soviet leader Andropov. C. worsened because the

    asked by anthony on November 24, 2010
  50. US history

    US-Soviet relations during the early years of Reagan Administration: A. improved because NATO decided not to deploy cruise missiles in Europe. B. changed little despite the positive messages sent from the new Soviet leader Andropov. C. worsened because the

    asked by ant on November 24, 2010
  51. Algebra II

    A projectile is launched from a platform 10 meters above ground with an initial upward velocity of 20 meters per second. Find the time when the projectile has returned to the initial height launch, find the time the projectile hits the ground, find the

    asked by Julia on December 8, 2011
  52. physics

    Part 1: A ball is thrown horizontally from the top of a building 28.6 m high. The ball strikes the ground at a point 80.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. Find the time the ball is in motion. Answer in units of s.

    asked by autumn on October 25, 2010
  53. biology multiple choice

    I am preparing my self for a biology exam and i am going through past papers. Unfortunately they do not supply us with the answers, which in one way is good.(since you have to actually work for your answers) All I am asking of you people is that you run

    asked by alex on August 1, 2013
  54. government

    1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The

    asked by Allison on June 27, 2013
  55. Math

    If I I'm trying to find the average weight of a 2nd grade girl which would be the most effective and why? Mean, Median or Mode? If I'm trying to find the average cost of a home in a city which would be the most effective and why? Mean, Median or Mode? If

    asked by Anonymous on November 5, 2013
  56. Math

    Find the length of the curve y=(x3/3)+x2+x+14x+4 Plases help to find the curve

    asked by Abdullah on March 15, 2017
  57. math need help please

    Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

    asked by nonna on November 15, 2008
  58. Pre Algebra

    equations of the system Ax-4y=9, 4x+By=-1 explain how to find the values of A and B,then find these values

    asked by Varice on March 28, 2012
  59. math

    Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

    asked by Arnold on November 13, 2008
  60. math

    Rewrite the equation so that y is a function of x: 1. 2/3y+4=2x 2. 1/2(y+5)+4x=3x 3. Use the result in Ex. 1 to find y when x= -1, 0, and 2. 4. Use the result in Ex. 2 to find y when x= -1, 0, and 2. Thank you very much for any help.

    asked by L.A on September 20, 2009
  61. Linear Algebra

    Let v1= (1,1,2,1) v2= (0,1,3,3) v3= (1,-1,-4,-5) v4= (1,0,-2,-4) a) Let U=span{v1,v2,v3,v4}. Find the dimension of U b) Is span {v1,v2,v3,v4}=R4? c) Find a basis for U Very Much Appreciated!!!

    asked by Simon on December 14, 2011
  62. Pre-calc

    1. Find the polar coordinates of (8, –8) for r > 0. 2.Find the rectangular coordinates of (9, 150°)

    asked by Anne on September 17, 2012
  63. Algebra

    Find the LCM of (7+9u), (49-81u^2), and (7-9u) Find the LCM of 15x^8 and 75x^8

    asked by Rene on July 11, 2010
  64. Calc 3

    Let C be the intersection of x^2+y^2=16 and x+y+z=5. Find the curvature at (0,4,1). I don't know how to find the intersection between the given equations.

    asked by Anon on October 15, 2015
  65. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.

    asked by Britney on November 8, 2012
  66. Algebra

    Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

    asked by Arnold on November 13, 2008
  67. Integral question

    1) find the integral from 1to -1 if(5sinx-2tanx+3x^5)dx 2) find the integral of x^3/(x^4+1)dx

    asked by Sarah on June 26, 2014
  68. Pre-Calculus

    1. Find functions f and g so that f[g(x)]=H(x) where H(x)=(1+x^2)^3 2. For f(x)=4x+1 and g(x)=x^2-2x-4, find (g-f)(x) 3. Determine f(x)=x/x^2-4 4. Determine the domain of f in f(x)=10-sqrt3-x

    asked by kalakalikalakali on June 28, 2011
  69. Math

    Given that x-1 is a factor of f(x)=x^6-5x^4-10x^2 k, find the value of k. When k has this value, find another factor of f(x) of the form x a, where a is a constant

    asked by Momito on April 30, 2012
  70. math

    Need help in solving these Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

    asked by Anonymous on October 10, 2010
  71. math need help please

    Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

    asked by Arnold on November 13, 2008
  72. pre cal

    Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.

    asked by maxine on May 14, 2009
  73. maths

    x is partly constant and partly varies as y.Y =2, x=30 and when y=6, x=50.(a)Find the relationship between x and y.(b)Find x when y=3

    asked by kissmore on April 21, 2018
  74. Math

    Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.

    asked by Renee on November 8, 2012
  75. math

    Consider the Standard Normal curve: (a) Find the area between z = -0.45 and z = 1.45 (b) Find the value of z such that the area to the right of z is 1.5%.

    asked by yvonne bih on February 24, 2015
  76. Linear Algebra

    Given the following vector X, find a non-zero square matrix A such that AX=0: X=[2 -5 3]^T Im not sure how i would find the sqare matrix a?

    asked by Angel on October 2, 2017
  77. math

    If 203n + 2m4n = 501n. a. Find the value of base n. b. Find the value of m PS the 'n' is really base n.

    asked by Lindsay on December 16, 2013
  78. Math

    First find an estimate of the quotient. then find the exact quotient. 5 1/2 divide 3 4/7

    asked by Bryan on May 5, 2009
  79. Maths

    X is partly constant and partly varies as y.when y=2,x=30,and when y=6,x=50. A.Find the relationship between x and y. B.Find x when y =3

    asked by Mmesoma on November 25, 2018
  80. math

    how do you find the slope of a line? and is it possible to find it by taking two points on a line?

    asked by Anonymous on February 20, 2010
  81. Geometry

    If ST = y + 2, RT = 5y – 10 and RS = 2y, then find the value of y and all three lengths. If RS = 4x, Line RS approximately equal to line ST and RT = 24, then find the value of x.

    asked by Patricia on November 15, 2013
  82. College Algebra

    I need to find the domain of f, the excluded values of f, the domain of (fg)(x); find (f+g)(-5), (f-g)(x), and (fg)(x) to the problem of: Let f(x)=(7x+1)/(3x+2) and g(x)=6x+5.

    asked by Gloria on October 16, 2011
  83. Math

    find the slope for (-16, -19) and (-18, -20) can some please help me I don't understand how to find the slope for this thank you in advance.

    asked by Norma on August 20, 2010
  84. Science

    what is the electron arrangement for boron? and how do you find the valence electron for it? i know it has 3 v.e. but how do you find it

    asked by Anna on March 17, 2010
  85. Math Check

    1.) Find 1/2([5 -2 4 0]+[14 6 -18 9]) A. [19/2 2 -7 9/2] B. [-9/2 -4 -11 9/2] C. [ 19/2 2 -7 9] D. [19 4 -14 9] My answer: C. 2.) Is it possible to find AB when you are give A= [3 2 1] and B= [2 3 0]? (this 2, 3, 0 is suppose to line up like up and down.)

    asked by Giselle on March 26, 2015
  86. History

    Can someone please tell me where to find this: What was the "Era of Good Feeling" In Germany? All I can find is in the U.S but I need Germany. Thanks

    asked by Sue on November 26, 2013
  87. algebra

    If (x-3) is a factor of 3x^3+bx^2-17x-12. a. Find the value of b. b.Hence , find the roots fo the equation 3x^3+bx^2-17x-12=0.

    asked by jodi on April 16, 2012
  88. Math

    Find all values of x in the interval [0, 2 pi] that satisfy 2 cos x-1 = 0. cos x = 1/2 x = 60 How do I find the other value of x?

    asked by Raj on September 25, 2007
  89. Maths

    x is partly constant and partly varies with y.When y=5,x=19 and when y=10,x=34. (i) Find the relationship between x and y. (ii) Find x when y=7.

    asked by Jessica on October 26, 2018
  90. Math

    I need help in solving this: Problem #1 For f(x)=-6x3+10 find f(4) and f(-4) Problem #2 For g(x)=20-5x2 find f(1) and f(-1)

    asked by Anonymous on October 6, 2010
  91. Calculus

    I have a two part question that pertains to a curve (r(x)) and its tangent line at x=3. We are given that at x=3, r(x)=8. In order to find the slope of the tangent line, we are given another point (on the tangent line): (3.2, 8.5). Therefore the slope of

    asked by Lauren on March 31, 2009
  92. math:^]

    Part A Given that P=(5,4), Q=(7,3), R=(8,6), and S=(4,1), find the component form of the vector PQ+3RS. a. **** b. c. d. Part B Use the information from Part A to find the magnitude of the vector PQ+3RS. a. 356 b. sqrt(26) c. 2*sqrt(10) d. 2*sqrt(89) I

    asked by mynameisundefined on May 25, 2018
  93. Calculus 12th grade (double check my work please)

    1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) with respect to x. A.-sin (2x) B.-2x

    asked by anon on March 6, 2011
  94. Geometry

    I need help in this problem: A 14-foot ladder is leaning against a house so that its top touches the top of the wall. the bottom of the ladder is 8 feet away from the wall. which of these can be used to find the height of the wall? A. in a right triangle

    asked by Alex on March 27, 2014
  95. math help plzzzz!!!!

    Multiple Choice 1. What is 0.32 written as a fraction in simplest form? (1 point) thirty-two over one hundred eight over twenty-five one hundred over thirty-two sixteen over twenty-five 2. If Fran’s fudge recipe calls for two and one-half cups of sugar

    asked by josh on October 30, 2013
  96. Physics

    Help!?!?! A pontoon boat starts from rest and accelerates at a constant rate of 0.25m/s^2 over a displacement of 290 meters. 1. Find the magnitude of the boats final velocity? 2. Find the time it takes the boat to travel this displacement.

    asked by Mike on October 20, 2015
  97. Math - Intersection of planes

    Find the vector equation of the line of intersection for the pair of planes. Plane one: x+5y-3z-8=0 Plane two: y+2z-4=0 I did half of the work but now i am stuck. the normal of the planes are not parallel and therefore a solution exists, you simultaneously

    asked by Shaila on September 1, 2010
  98. Science

    A 2cm tall object is placed perpendicular to principle axis of a convex lence of focal length 10cm. The distance of object from lence is 15cm. Find nature of position and size of image. Also find its magnification

    asked by Prerna on October 15, 2016
  99. statistics-PLEASE HELP quick

    A family has four children and we assume that births occur with equal frequency for both sexes. Construct a sample space for all possible family arrangements allowing for order of birth to count. a) How many different arrangements are possible? b)find P

    asked by Amy on December 16, 2013
  100. physics

    A spacecraft of mass 3.5 x 102kg was moving at 1.5 x 102ms-1 when its motor, operating at 8.4 x 102 kW fired for 5.0s Find the new velocity acquired by the spacecraft I don't know how to find the new velocity i found the work Power = w/t 840 x 5 = W 4200J

    asked by john on September 6, 2014

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