1. Maths - Properties of Planes

    write a scalar equation, given it's vector equation. [x,y,z]= [3,7,-5] + s[1,2,-1] + t[5,-2,3] ( I remember my teacher saying that you have to cross s and t, and that will be my normal and thereafter I substitue the point to find the 'D' value of the

    asked by Shaila on August 24, 2010
  2. Math- Intesection of a plane and line

    Does the line [x,y,z]=[5,-9,3]+k[1,-12,2] intersect the plane [x,y,z]=[4,-15,8]+s[1,-3,1]+t[2,3,1]? If so, how many solutions are there? ( I tried finding the normal vector, there after finding the "d" value to write in scalar equation, and once it is in

    asked by Shaila on August 28, 2010
  3. chemistry

    Vectors A B, and C satisfy the vector equation A+B=C and their magnitudes are related by the scalar equation A2+b2=C2. How is vector A oriented with respect to vector B. answer: is it vertors A & B must be at right angles to each other.

    asked by anonymous on February 6, 2007
  4. Math - Equations of planes

    Write a vector equation and scalar equation of the plane containing lines [x,y,z]= [-2,3,12]+s[-2,1,5] [x,y,z]= [1,-4,4]+t[-6,3,15]

    asked by Shaila on August 27, 2010
  5. Vectors

    Given each scalar equation, write a vector equation and the parametric equations. 8x + 9y = -45

    asked by Anonymous on June 5, 2010
  6. VECTORS

    Write a scalar equation of each plane, given its vector equation. [x,y,z] = [3,7,-5] + s[1,2,-1] + t[1,-2,3]

    asked by Abigail on June 6, 2010
  7. Math

    1. Determine the scalar equation of the plane with vector equation Vector r= (3,-1,4) +s(2,-1,5) + t(-3,2,-2). 2. Determine the value of k so that the line with parametric equations x = 2 + 3t, y = -2 + 5t, z = kt is parallel to the plane with equation 4x

    asked by anon on October 11, 2018
  8. Vectors

    Write the scalar equation of the line given the normal vector n and Point P. n = [3,1], P = (2,4).

    asked by Anonymous on June 5, 2010
  9. Physics

    What are the products (either vector or scalar for each answer) of: a) scalar x scalar b) scalar x vector c) vector x vector A simple concept, but I want to be sure I get it right! Thanks for any help :)

    asked by Amy on October 25, 2014
  10. Math - Equations of plane(check)

    Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the plane. Ans: if i find the

    asked by Shaila on September 4, 2010
  11. Math - Equations of plane(check)

    Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the plane. Ans: if i find the

    asked by Shaila on September 7, 2010
  12. Math

    Multiplying a vector by a scalar results in: a) a scalar b) a perpendicular vector c) a collinear vector c) a parallel scalar

    asked by Jake on March 19, 2012
  13. Math/Vectors

    I need help on a homework problem. "Determine a vector equation for the line perpendicular to 4x-3y=17 and through point (-2,4). The answer in the book is given as [x,y]=[-2,4]+t[-4,3].Isn't the normal to the scalar equation [4,-3] and wouldn't this be the

    asked by Kate on October 17, 2010
  14. Math: Scalar Equations of a Plane

    Find the scalar equation of each of the following planes. State which of the planes, if any, are coincident. a) r = (-8,-1,8) + s(-5,1,4) + t(3,2,-4) Scalar Equation: -12x - 8y - 13z = 0 ---- b) r = (-2,-2,5) + s(3,1,-1) + t(4,1,-4) Scalar Equation: -3x +

    asked by Anonymous on March 28, 2008
  15. Precalc

    A line in space has the vector equation shown here. Fill in the blanks to find the position vector to the fixed point on the line that appears in the equation: vector r=(5+(6/11)d)vector i + (3+(9/11)d)vector j + (7+(2/11)d)vector k vector v= _____ vector

    asked by Grace on January 19, 2012
  16. Physics

    please check these: which of the following is an example of a vector quantity? a. velocity b. temperature c. volume d. mass i picked A identify as vecor or scalar 1. speed of a snail---vector 2. the time it takes to run a mile-scal 3. the free-fall

    asked by y912f on January 31, 2009
  17. Math - Equation of Lines

    Determine whether the following pairs of planes are coincident, parallel and distinct or neither. a) x + 3y - z - 2 = 0 and 2x + 6y - 2z - 8 = 0 TEXTBOOK ANSWER: parallel and distinct Can someone show me how to find the vector equation or parametric

    asked by Anonymous on March 25, 2008
  18. Calculus

    Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6) direction vector = [8,2,-1] a vector equation r = (6,-1,5) + t(8,2,-1) use that to write the parametrics how do i write parametrics

    asked by j on May 17, 2012
  19. Differential Equations

    (a) Let S be the set of solutions y(t) to the differential equation dy/dt = -y for t> 0. With addition and scalar multiplication of elements defined in the usual way, is S a vector space? (b)Let T be the set of solution y(t) to the differential equation

    asked by Cam on October 13, 2014
  20. Calculus and Vectors

    A student solved the scalar equations for different planes as stated below. Explain why each equation is not the best representation for the equation for a plane. (4) (a) 2x+4y−6z+24=0 (b) −2x+y−2z+5=0 for a is it because you can factor a 2 out of

    asked by Anonymous on October 21, 2018
  21. math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7.

    asked by Tech Nine on September 25, 2014
  22. math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Jon on September 25, 2014
  23. Math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Aegon on September 25, 2014
  24. Math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Tech N9ne on September 25, 2014
  25. Math

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Wiz on September 24, 2014
  26. Algebra

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Paul on September 24, 2014
  27. Linear Algebra

    Find a scalar equation of the plane that contains the given point P=(-3,-3,1)and the given normal vector n = (-1,4,7)

    asked by Aegon on September 25, 2014
  28. Linear Algebra

    1/ Prove that the set V=R+ ( the set of all positive real numbers) is a vector space with the following nonstandard operations: for any x,y belong to R+ & for any scalar c belong to R: x O+ ( +signal into circle) y=x.y (definition of vector addition) & c O

    asked by Tri N on March 6, 2011
  29. Physics

    A ball is tied to a string and whirled in a horizontal circle at a constant 4 revolutions per second. Categorize the following according to whether they are 0 in value, constant in value, or change: v: linear speed (scalar) v: linear velocity (vector) ar:

    asked by Anonymous on October 26, 2016
  30. physics: scalars/vectors

    Please check. 1. Which of the following quantities are scalars, and which are vectors? a. the acceleration of a plane as it takes off- VECTOR b. the number of passengers on the plane- SCALAR c. the duration of the flight- SCALAR d. the displacement of the

    asked by Anonymous on September 17, 2006
  31. AP Physics 1 Momentum

    I have a select-multiple question, and I am not sure about everything and I only get one try in my online class...would really appreciate if you could please explain which to select: What is true about momentum value? a)When you muliply mass (a scalar) by

    asked by Anonymous on August 28, 2017
  32. physics

    A force vector has a magnitude of 576 newtons and points at an angle 43o of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector?

    asked by thaokieu on January 31, 2011
  33. physics

    The displacement vector has scalar components of Ax = 80.0 m and Ay = 60.0 m. The displacement vector has a scalar component of Bx = 60.0 m and a magnitude of B = 75.0 m. The displacement vector has a magnitude of C = 100.0 m and is directed at an angle of

    asked by Anonymous on May 20, 2016
  34. Calculus:Help!

    Any ideas on how to solve this: Use a vector solution to show that a scalar equation for the line through the points P1(x1, y1) and P2(x2, y2) is  y-y1/x-x1 = y2-y1/x2-x1? Very confused as to what is meant by this question. Thanks.

    asked by Derek on July 3, 2008
  35. Physics

    4. Which of the following is an accurate statement about vectors? A. Rotating a vector about an axis passing through the tip of the vector does not change the vector(definitely not right) B. The magnitude of a vector can be zero even if one of its

    asked by Babygirl on September 13, 2018
  36. physics

    Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate unit vector: < 0.00330, 0, -0.00330 >

    asked by rebekah on June 18, 2014
  37. physics [vectors]

    The concept i get, but somehow i just can't execute this problem, please help me! You are given vectors A = 5.5 6.2 and B = - 3.7 7.4 . A third vector C lies in the xy-plane. Vector C is perpendicular to vector A and the scalar product of C with B is 19.0.

    asked by lina on August 31, 2009
  38. Physics

    You are given vectors A = 5.0i - 6.5j & B = -3.5i + 7.0j. A third vector C lies on the xy-plane. Vector C is perpendicular to vector A, & the scalar product of C with B is 15.0. From this information, find the components of vector C.

    asked by Cathy on June 23, 2013
  39. Physics(Please help)

    1) A force vector has a magnitude of 579 newtons and points at an angle 43o of below the positive x axis. Find the x scalar component and the y scalar component of the vector? For the x component I did 579cos(43) = 423.45 N. Is this correct? For the y

    asked by Hannah on May 25, 2012
  40. Math

    the scalar equation of the line through (-1,5) if (4,-1) is a normal vector to the line.

    asked by anon on October 10, 2018
  41. Vectors

    How would you write a vector equation for a line using parametric equations? For example: A line is defined by x=-2-t and y=4+2t,teR. a) Write a vector equation for this line using parametric equations. b) write a second vector equation different from the

    asked by Sara on March 10, 2015
  42. Physics (vectors)

    Given vectors A= (Axi + Ayj), B= (Byj+Bzk) and C= (Cyj + Czk). a) find the triple product of these vectors defined by A dot (BxC) in terms of the vector components. I get 0 as the answer. b) is the result found in a) a scalar of a vector? since I had to

    asked by steve on January 23, 2007
  43. Vectors

    Use a specific example to explore how the cross product behaves under scalar multiplication. Is it true that k(Vector a × Vector b) = (kVector a) × Vector b = Vector a × (kVector b)? Expand to the general case to prove your theory.

    asked by Adiana on February 23, 2015
  44. Math

    Use a specific example to explore how the cross product behaves under scalar multiplication. Is it true that k (Vector a × Vector b) = (kVector a) × Vector b = Vector a × (kVector b)? Expand to the general case to prove your theory.

    asked by Bobby on September 26, 2018
  45. Calculus

    Write a scalar equation of each plane, given its parametric equations. x = 3 - 2s + 2t y = 1 + 3s + t z = 5 - s - 2t

    asked by Abigail on June 6, 2010
  46. Physics

    You are given vectors A = 5.0i - 6.5j and B = -2.5i + 7.0j. A third vector C lies in the xy-plane. Vector C is perpendicular to vector A and the scalar product of C with B is 15.0. Find the x and y components to vector C. Answer key shows x component is

    asked by Charles on August 30, 2014
  47. Math - Vectors

    Let the points A = (−1, −2, 0), B = (−2, 0, −1), C = (0, −1, −1) be the vertices of a triangle. (a) Write down the vectors u=AB (vector), v=BC(vector) and w=AC(vector) (b) Find a vector n that is orthogonal to both u and v. (c) Find a

    asked by Drake on May 31, 2016
  48. Physincs

    You are given vectors A⃗ = 4.8 i^− 6.7 j^ and B⃗ = - 3.4 i^+ 7.5 j^. A third vector C⃗ lies in the xy-plane. Vector C⃗ is perpendicular to vector A⃗ and the scalar product of C⃗ with B⃗ is 17.0.

    asked by HELP PHYSICs on October 17, 2014
  49. Physics

    What is the difference between scalar and vector quantities and what two methods are used to describe vectors? Answer: Scalar quantities measure only distance (speed) while vector quantities measure both distance and direction, ( which is specifically

    asked by Lucina on January 7, 2015
  50. Discrete Math: Equations of Line in a Plane

    I'm stuck on these questions. Can you please show me a step by step solution? 20) For each of the following, find a normal vector, a direction vector, and a point of each line. Note, normal vector means perpendicular to the direction vector. a) 3x - 6y =

    asked by Anonymous on March 12, 2008
  51. Math: Equations of Line in a Plane

    I'm stuck on these questions. Can you please show me a step by step solution? 20) For each of the following, find a normal vector, a direction vector, and a point of each line. Note, normal vector means perpendicular to the direction vector. a) 3x - 6y =

    asked by Anonymous on March 10, 2008
  52. Calculus

    4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]

    asked by j on May 26, 2012
  53. Calculus

    4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]

    asked by j on May 25, 2012
  54. Calculus

    4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]

    asked by j on May 26, 2012
  55. Physics

    Use the definition of scalar product( vector A* vector B = abcos theda and the fact that vector A * vector B = axbx+ ayby+azbz to calculate the angle between the two vectorgiven by vector A= 3i + 3j + 3k and vector B= 2i + 1j + 3k. The book said the answer

    asked by Jamie on October 6, 2006
  56. Math

    How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in

    asked by Dwight on November 4, 2010
  57. Math

    How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in

    asked by Dwight on November 4, 2010
  58. Trigg

    A force vector has a magnitude of 475 newtons and points at an angle of 26.0 degrees below the negative x axis. What are the x scalar components and y scalar components?

    asked by Erica on September 5, 2016
  59. calculus

    A) Determine the vector equation of the plane that contains the following two lines: l1: vector r= [4,-3,5] + t[2,0,3], tER l2: vector r= [4,-3,5] + s[5,1,-1], sER b)Determine the corresponding Cartesian equation.

    asked by Sarah on November 25, 2014
  60. Calculus

    Find the scalar equation of the plane through the points M(1,2,3) and N(3,2,-1) that is perpendicular to the plane with equation 3x + 2y + 6z +1 = 0. I know that normal of the latter equation is (3,2,6) but now what do I do? Thanks.

    asked by Lulu on July 7, 2008
  61. Physics

    The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For

    asked by ucieng on February 13, 2010
  62. physics

    The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For

    asked by ucieng on February 13, 2010
  63. Vectors

    Determine the vector equation of a plane that contains the line with symmetric equation (x+3)/-2=(y+1)/5=(z+2)/4 and the point P(1,3,0). For this question to find the direction vector you would use subtraction with the points (-3,-1,-2) and (1,3,0). Why

    asked by Sara on April 19, 2015
  64. physics

    Does the multiplication of a scalar and a vector display the commutative property? This property states that the order of multiplication does not matter. So for example, if the multiplication of a scalar s and a vector r is commutative, then sr = rs for

    asked by jay on December 5, 2010
  65. Maths - Properties of Planes

    Wrtie a scalar equation given it's parametric equation. x = 3-2s+2t y = 1+3s+t z = 5-s-2t

    asked by Shaila on August 24, 2010
  66. physics

    find the magnitude of vector by scalar and vector A= ? + 4j +4k B= ? + 2j + 3k if the angle between them 15 degrees.

    asked by koks on December 2, 2012
  67. Physics

    Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ? b) What is the magnitude of vector F? F = ? c) What is the direction of vector F? theta = ? Thank you!

    asked by Sara on October 9, 2011
  68. Physics

    Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ? b) What is the magnitude of vector F? F = ? c) What is the direction of vector F? theta = ? Thank you!

    asked by Sara on October 10, 2011
  69. Calc. for Reiny

    this can be done by projections of two vector. recall that the scalar projection of vector b on vector a is a∙b/│a│ so let's find a point on the give line, e.g. the point B(6,0,1) (I let t=0) draw a perpendicular from your given point P(1,-5,2) to

    asked by Derek on July 10, 2008
  70. calculus

    State whether or not the following statements are true. Justify your reasoning.? a. Vector a • (Vector b + Vector c) = Vector a • Vector b + Vector a • Vector c b. Vector a × (Vector b + Vector c) = Vector a × Vector b + Vector a × Vector c c.

    asked by anon on February 23, 2015
  71. physic

    Vector Fis proportional to vector A such that F = mA and m is a scalar. (a) If A = 2.0i + 5.2j and F = 10.0i + 26.0j,what is m?

    asked by joy on January 26, 2018
  72. Physics

    The vector position of a 3.00 g particle moving in the xy plane varies in time according to the following equation. r1 = At the same time, the vector position of a 5.85 g particle varies according to the following equation. r2 = For each equation, t is in

    asked by LadyJ on December 1, 2011
  73. Chemistry

    Write a balanced chemical equation (molecular equation). Write a total ionic equation. write a net ionic equation. (NH4)2 SO4(aq)+Na2CO3(aq) -->

    asked by Jake on March 16, 2011
  74. Precalc

    Given the plane 3x+2y+5z=54 and the points P0(6, 8, 4)[on plane] and P1(13, 18, 5) [not on plane] A. Find vector n, a vector normal to the plane B. Find vector v from P0 to P1 C. Find the angle between vector n and vector v D. Find p, the scalar projection

    asked by Grace on January 19, 2012
  75. Precalc

    At the point were a line intersects a plane [with the equation (24x+32y+40z=480) and three points of A(5, 10, 1), B(6, 3, 6), and C(12, 1, 4)], the vector i-, vector j-, and vector k-coefficients of the line equal the corresponding values of x, y, and z

    asked by Grace on January 8, 2012
  76. Vectors

    Find the scalar equation of the plane through the points M(1,2,3) and N(3,2,-1) that is perpendicular to the plane with equation 3x + 2y + 6z +1 = 0.

    asked by bobby on October 12, 2018
  77. Physics

    Displacement is which of the following types of quantities? A. vector B. scalar C. magnitude D. dimensional My answer is A. vector...I just want to confirm this is the correct answer.

    asked by Mark on July 17, 2008
  78. math

    A vector equation for a given straight line is r = (i + 3j) + lambda (-i - j) Construct a vector equation for the line that does go through the point (1,2), and is perpendicular to r. and Determine the point of intersection of the two lines

    asked by HongKit on October 17, 2012
  79. Maths - Vectors

    The position vectors a,b,c of the points A,B,C relative to the origin O are ai, bj and ck respectively.Find: 1) a vector equation for the line l throught O which is normal to the plane ABC. 2) a vector equation of the plane ABC The answers should be: 1)

    asked by Claire on February 2, 2009
  80. Cartesian Equation

    Determine the Cartesian equation of each of the following planes: b) through the points (3,0,1) and (o,1,-1), and perpendicular to the plane with equation x-y-z+1=0 My teacher told me to find a direction vector, cross that with the normal, and set up my

    asked by Lily on March 29, 2016
  81. Physics

    You are given vectors A = 5.0i - 6.5j and B = -2.5i + 7.0j. A third vector C lies in the xy-plane. Vector C is perpendicular to vector A and the scalar product of C with B is 15.0. Find the x and y components to vector C. Here's the step by step from the

    asked by Vectors on August 31, 2014
  82. Calculus and Vectors gr12

    Using a specific example, prove the vector property: For vectors u⃗ and v⃗ and scalar p > 1, show p(u⃗ +v⃗ )=pu⃗ +pv⃗ . It works for all p-values, but I am asking you to narrow your examples to a semi-specific example. (the box next to the

    asked by Anon on October 2, 2018
  83. Math

    1. Find the slope of the line that passes through the points (-1, 2), (0, 5). 2. Suppose y varies directly with x, and y = 15 and x = 5. Write a direct variation equation that relates x and y. What is the value of y when x = 9? 3. Write an equation in

    asked by PicturesDon'tChangeThePeopleInsideOfThemDo on December 13, 2017
  84. Maths

    Hi, need a bit of help on this one. A straight line passes through the points (4,3) and (10,0), I need to write down the equation of the line in the form y=mx+c, I have tried but I cant seem to get the second coordinates to satisfy the equation. Here is

    asked by Del on July 9, 2010
  85. Vectors/Scalars?

    is (u dot v)dot (a dot c) a scalar quantity or vector quantity? What's the difference? (I'm thinking scalar since it has no direction and it only has magnitude.)

    asked by annonymous on February 9, 2015
  86. Chemistry

    WRITE THE BALANCED CHEMICAL EQUATION,WRITE THE OVERALL IONIC EQUATION,IDENTIFY THE SPECTOR IONS AND POSSIBLE PRECIPITATES,WRITE THE NET IONIC EQUATION FOR mercury(II)chloride(aq)+potassium sulfide(aq)

    asked by Jasmine on February 9, 2011
  87. Calculus

    Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6)

    asked by J on May 9, 2012
  88. MATH

    Write a vector an parametric equation for the plane which contains the point P(9, 1, -2) and is parallel to [x, y, z] = (4, 1, 8) + [1, -1, 1) and [x, y, z] = (-5, 0, 10) + t(-6, 2, 5).

    asked by Anonymous on September 1, 2018
  89. calculus

    Find a vector that has the same direction as the given vector but has length 6. ‹-2, -2, 4› I know how to find a unit vector of this, but to find a vector in the same direction but length >1 I'm not sure how to determine the scalar multiple that will

    asked by vector length on August 23, 2011
  90. Calc 3

    The plane containing the lines r1(t)=⟨1,−4,−1⟩+t⟨1,2,−2⟩ and r2(t)=⟨1,−4,−1⟩+t⟨1,0,3⟩ has scalar equation

    asked by ally on September 11, 2018
  91. PHYSICS

    what is the different between a scalar and vector?

    asked by Tracey on December 22, 2010
  92. Desperate to understand ionic/net equa.-Chemistry

    When the following solutions are mixed together, FeSO4 (aq) + Csl (aq): What precipitate if any will form, Write the balanced equation, write the complete ionic equation and write the net ionic equation?

    asked by ASA on April 14, 2012
  93. linear algebra-urgent

    1)let w=[3;4] and u=[1;2] a) find the projection p of u onto w. I found this to be p=[1.32;1.76] b) find a scalar k for which the vector kp has a norm that is equal to one. k=? d)find a vector that is orthogonal to span{w} s=? how do I do this

    asked by samantha on April 8, 2015
  94. Physics

    The vector position of a 3.40 g particle moving in the xy plane varies in time according to the following equation. At the same time, the vector position of a 5.05 g particle varies according to the following equation. For each equation, t is in s and r is

    asked by carlton on December 3, 2012
  95. Physics

    The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated. DATA: α= 45.9o β= 57.6o |A| = 7.9 cm. The vector A - B is parallel to the -x axis (points due West). Calculate the magnitude of the vector A+B. I

    asked by jameson on September 16, 2012
  96. Algebra

    Find the scalar equation for the plane passing through the points P1=(−3, −5, 5), P2=(1, −6, 6), and P3=(0, −9, 4).

    asked by shana on March 19, 2017
  97. Calculus

    Explain why a line in three-space cannot be represented by a scalar equation.

    asked by J on May 5, 2012
  98. Calculus

    Explain why a line in three-space cannot be represented by a scalar equation.

    asked by J on May 5, 2012
  99. math (please help)

    1. Write the equation for the horizontal line that contains point G(-8, 8). 2. What is an equation for the line that passes through points (-1, -4) and (1, 4)? Write the equation in slope-intersect form. 3. Write an equation for the vertical line that

    asked by kaitlyn on October 31, 2013
  100. vectors

    find the vector form of the equation of the line in lR^3 that passes through P=(-1,0,3) and is perpendicular to the plane with a general equation x-3y+2z = 5

    asked by Meso on January 12, 2011