256 Answered Questions for the topic Vectors

Vectors Trigonometry

07/15/20

If a force of 30 pounds is directed 30° from the vertical, what vector represents this force?
If a force of 30 pounds is directed 30° from the vertical, what vector represents this force?A.)-15i-15√3jB.)15i+15√3jC.)-15i+15√3jD.)15i-15√3j
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Vectors Trigonometry

07/14/20

Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ
Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ
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Vectors Trigonometry

07/14/20

Find a unit vector in the same direction as the given vector: v=(-1/3)i+(5/2)j
Find a unit vector in the same direction as the given vector: v=(-1/3)i+(5/2)jA.) u=-2i+15jB.) u=(-1/sqrt(229))i+(5/sqrt(229)j)C.) Vector v=(-1/3)i+(5/2)j is a unit... more
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Vectors Trigonometry

07/13/20

Determine if the two vectors, u and v, are equivalent. Vector u has an initial point P1 and a terminal point P2 and v has an initial point at P3 with the terminal point P4.
Determine if the two vectors, u and v, are equivalent. Vector u has an initial point P1 and a terminal point P2 and v has an initial point at P3 with the terminal point P4.P1 = (8,3) P2 = (6,5) ... more
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06/11/20

Solve the following system
 x+y+2z=-23x-y+14z=6x+3y=-5Please include steps and answer
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06/11/20

Solve the following system

x+y+2z=-23x-y+14z=6x+3y=-5Please include steps and answerplease also try to explain how to draw the system
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06/11/20

Determine the equation for a line passing through (2,-3,-7) and parallel to the line of intersection of the planes x+y-z=0 and 5x-6y+6z=5
Please include steps and answers
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06/11/20

Find the intersection of the line r = (4,2,0) + t(0,1,-5) and the plane 7x-4y+z+7=0
Please include steps and answers
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06/11/20

Find the Cartesian (scalar) equation for the plane whose vector equation is r=(1,3-4) + s(-2,8,5) + t(1,2,0)
Please include steps and answer
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06/11/20

A line contains points P(32,-11,20) and Q(-18,-15,12). Write vector, parametric, and symmetric equations for this line.

Please include steps and answers
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06/11/20

Vectors Question - For the vectors u=(2,-1,1) and v=(0,3,4)
Find the following:U•VU x Vthe angle between U and V to the nearest degreePlease include steps and answer
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05/31/20

Find (or predict) the intersections of the following planes:
A) x-2y+5z=102x + y = 10B)4x+y-zx-z=-122x+y+z=4Please include steps and answers
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05/28/20

Find (or predict) the intersections of the following planes:
A) x-2y+5z=10 2x + y = 10B)4x+y-z x-z=-12 2x+y+z=4Please include steps and answer
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05/28/20

Find the intersection of the plane and line given
r= (0,3,7) + t(1,2,-1)2x-6y-z-2=0Please include steps and answers.
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05/28/20

Find the intersections of the following lines, if there are any
r=(-2,0,-3) + t(5,1,3)r= (5,8,-6) + s(-1,2,-3)Please include steps and answer
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05/28/20

Find vector, parametric and scalar equations for the plane that contains the line r= (-1,3,1) + t(2,4,5) and also the point (2,0,-3)
Please include question and answer
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Vectors

05/21/20

Determine whether u = i and v = -2i +2j are orthogonal
Determine whether u = i and v = -2i +2j are orthogonal
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Vectors Math Precalculus

05/19/20

What are the fourth roots of 6+6√3i
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05/07/20

Vectors Problem - Find a unit vector perpendicular to a=(0,-2,1) and b=(8,-3,-1). Also Find the projection of vector a onto vector b. Please include steps.
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05/07/20

Vectors Problem - Find the angles between u=(7,2,-5) and v=(9,-1,-6). Please include answer.
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05/07/20

Vectors Problem - Find a unit vector perpendicular to a=(0,-2,1) and b=(8,-3,-1). Also Find the projection of vector a onto vector b. Please include steps.
There are small arrows pointing right on top of a and b (format won't let me add)
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05/07/20

Vectors Problem - Suppose u has magnitude 5, and v has magnitude 8, and the angle between the two vectors is 105 degrees. Find u • v. Please include steps.
there are small arrows pointing right on top of u and v (format won't let me add)
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05/07/20

Vectors Problem - Find the angles between u=(7,2,-5) and v=(9,-1,-6). Please include steps.
There are small arrows on top of u and v that point right (format won't let me add)
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04/30/20

Vectors Problem - Sketch a diagram(s) that supports the fact that -(u + v) = - u-v

There are little arrows on top of u and v pointing right (the format won't let me add it)
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04/30/20

Vectors Question - Suppose a + 2b =0. What can you conclude about vectors a and b?
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