Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

811,527 users

let u + 2v = 3j - k and 3u - v = i + j + k find u and v

0 votes

math
addition-of-vectors

asked Nov 11, 2016 in BASIC MATH by anonymous
reshown Nov 11, 2016 by goushi

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

Step 1:

The equations are .

Simplify the equations.

Find .

Substitute first equation in second equation.

Find .

Substitute in the

Solution:

answered Nov 11, 2016 by Anney Mentor

Please log in or register to add a comment.

Related questions

Let u = <-6, 3>, v = <-1, -6>. Find 4u + 2v?

asked Feb 14, 2015 in PRECALCULUS by anonymous

addition-of-vectors

given u= 2i+j-k and v=i-7j+2k find (u*v)v

asked Oct 31, 2017 in CALCULUS by anonymous

math
vectors

find cos 2v and sin 2v when cos v = -5/8 and pi/<v<pi

asked Apr 1, 2016 in PRECALCULUS by anonymous

definite-integrals
trigonometric-functions
composite-angles
addition-of-vectors
limits

Find each quantity if v=3i-5j and w= -2i+3j

asked Feb 15, 2017 in PRECALCULUS by anonymous

vectors
addition-of-vectors

Find each quantity if v = 3i - 5j + 2k and w = -2i + 3j - 2k.

asked Jan 31, 2015 in PRECALCULUS by anonymous

addition-of-vectors

Find each quantity if v = 3i - 5j and w = - 2i + 3j.

asked Jan 31, 2015 in PRECALCULUS by anonymous

addition-of-vectors

The three vectors u=3i-j+k, v=i+2j-k, w=i+j+k are drawn from the origin. What is the equation of the plane?

asked Nov 15, 2013 in PRECALCULUS by anonymous Apprentice

vectors
plane
equation

Let u = <3, -1>, v = <-6, -6>. Find 9u + 2v.

asked Aug 4, 2014 in CALCULUS by Tdog79 Pupil

calculus

find n if position vectors 3i-2j-k,2k+3j-4k,-i+j+2k,4i+5j+nk line on the same plane

asked Nov 20, 2013 in PRECALCULUS by futai Scholar

vectors
plane

Let r = x i + y j + z k and r = |r|.

asked Feb 18, 2015 in CALCULUS by anonymous

verify-divergence-identity

If u = i + 3j - 2k, and v = 4i - 2j - 4k.

asked Jun 8, 2013 in PRECALCULUS by anonymous Apprentice

vectors-multiplication

Find a unit vector that is orthogonal to both v = 3i +k and w = -2i - j?

asked Nov 15, 2013 in PRECALCULUS by anonymous Apprentice

vectors
orthogonal
unit

Find the coefficient of w^2x^2y^2z^2, in the expansion of (a) (2w- x+3y+z-2)^12 (b)(v+w-2x+y+5z+3)^12

asked Dec 1, 2014 in BASIC MATH by anonymous

math

Let f : R→R be defined by f(x) (3x+5) =and C = {x: 7.2< x <16.7}. Find (i) f(C) (ii) f ^-1(C)

asked Dec 1, 2014 in BASIC MATH by anonymous

math

Let f : R→R be defined by f(x) = (7x + 1) and C = {x: 1.3< x <16.6}. Find 3. (i) f(C) (ii) f ^-1(C)

asked Dec 1, 2014 in BASIC MATH by anonymous

math

Find a + b, 2a + 3b, |a|, and |a - b|.

asked Feb 14, 2015 in CALCULUS by anonymous

addition-of-vectors
magnitudes

Find the sum of the given vectors and illustrate geometrically.

asked Feb 14, 2015 in CALCULUS by anonymous

addition-of-vectors

Let u = <-5, 2>, v = <-2, 6>. Find 4u + 3v.

asked Aug 8, 2014 in CALCULUS by Tdog79 Pupil

calculus

Let u = <5, 6>, v = <-2, -6>. Find -2u + 5v.

asked Aug 4, 2014 in CALCULUS by Tdog79 Pupil

calculus

Let u = <-3, 4>, v = <8, 2>. Find u + v.

asked Aug 4, 2014 in CALCULUS by Tdog79 Pupil

calculus

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...