1,953 Answered Questions for the topic linear algebra
Linear Algebra
10/23/23
Write this sentence "A quotient of a number and 4 is 36" as an algebraic expression
Linear Algebra Math
10/19/23
Finding Eigenvector
For the matrix 15 8 -26 2 4 -12 -4 -8I have already found one of the eigenvalues to be 18. How do I find the eigenvector for this eigenvalue?
Linear Algebra Math
10/18/23
Orthogonal projection of vectors
How do I find the orthogonal projection of the vector (2, -3, 1) onto the space spanned by the vectors v1=(1, 2, 0) and v2=(1, -1, 1), and then present it as a linear combination of v1 and v2?
Linear Algebra
10/18/23
How do I find a basis for span of vectors?
The question asks to find the basis for space spanned by vectors (1, -4, 2, 0), (3, -1, 5, 2), (1, 7, 1, 2), (1, 3, 0, -3).
Follows
•
1
Expert Answers
•1
![]()
Linear Algebra
10/12/23
slope intercept
slope 0.25, passes though (0,4)
Follows
•
1
Expert Answers
•2
![]()
![]()
Linear Algebra
10/09/23
MIXTURE PROBLEMS
Determine how much salt is in the tank when it is full if a 30-gallon tank initially contains 15 gallons of salt water containing 5 pounds of salt and suppose salt water containing 1 pound of salt...
more
Follows
•
2
Expert Answers
•1
![]()
Linear Algebra Algebra 2
10/03/23
PLS HELP algebra 2, linear equations
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.Solve the system using elimination.2x-3y=-13x+4y=7
Follows
•
1
Expert Answers
•2
![]()
![]()
Linear Algebra Algebra 2
10/03/23
PLS HELP algebra 2, linear systems
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.The length of a rectangle is 8.75 cm more than 3 times the width. If the perimeter of the...
more
Follows
•
1
Expert Answers
•3
![]()
![]()
![]()
Linear Algebra
10/02/23
Linear word problem
The function C(d) = 8d + 2 represents the cost to order a Box of d including the flat rate shipping charge.What is the cost per box of donuts?How much is the flat rate shipping charge?How much will...
more
Math question from Algebra 2
Knowing that f(4) = 0, find all the zeros of f(x) = x³ -13x² +44x -32
Follows
•
0
Expert Answers
•3
![]()
![]()
Linear Algebra
09/30/23
I need help solving this (
The solution set of the linear system:w-3x+4y-3z=-5-w+8x-4y+18z=15may be written as{v1+sv2+tv3} for some vectors v1, v2 and v3. Find v1, v2 and v3 using that equation
Linear Algebra
09/29/23
Solve this linear equations
2x + 4=10Frist collect like term2x=10-4Rewrite equation2x=6
Linear Algebra
09/29/23
Linear equation or system of equations?
Joe’s Java Joint wants to sell a specialty holiday coffee blend that is a blend of their medium roast coffee which costs $8 per pound, and a flavored coffee which normally costs $16 per pound. If...
more
Linear Algebra Math
09/28/23
How do I write and evaluate terms in polar form, and how can I find terms given the root of a quadratic equation.
1.a) For z = 2 + 2(√3)ii) How can I write z in polar formii) How will I evaluate z3 in polar formiii) and how can I find z^→ and evaluate (z^→)3 2.a) If a = -3 – 2i, is a root of the...
more
Follows
•
1
Expert Answers
•2
![]()
Linear Algebra Math
09/28/23
How to calculate the angle between vectors, and how to find position vectors
Firstly how can Ia) Find the value of k such 2ki – (k2 – 4)j is perpendicular to 3i + 2j.b) Calculate the angle between the vectors 2i – 3j and i + 2jAnd secondlya) Given two non-zero...
more
Follows
•
1
Expert Answers
•2
![]()
![]()
Linear Algebra Math
09/27/23
Confused about this Rotation Matrix/time derivative problem
Find an explicit expression for ω such that dR dt = S(ω)R. Where R is: R = Rz,ϕ Ry,θ Rx,ψState your answers in terms of ϕ˙ ψ˙ ˙θ θ ϕ ψ.
Follows
•
1
Expert Answers
•1
![]()
Linear Algebra
09/27/23
Write an equation of the function g ( x ) that is the graph of f ( x ) = | x | , but shifted left 4 units and shifted down 5 units.
Follows
•
1
Expert Answers
•1
![]()
Linear Algebra
09/26/23
Algebra word problem
Miguel will rent a car for the weekend he can choose one of two plans. The first plan has an initial fee of $50 cost an additional $.30 per mile driven the second plan has no additional fee because...
more
Linear Algebra
09/26/23
how do I answer this question, what is the solution?
Find the equation of the line in standard form that passes through the following points. Eliminate any fractions and simplify your answer. (-9, 11) and (4,-12)
Linear Algebra
09/24/23
Subsets and Subspaces
How does x+x=x, x+y=y, y+y=z ?I do not understand how the U+W works out?Suppose that U = {(x,x,y,y) F4}W = {(x,x,x,y) F4}theb U+W={9x,x,y,z) F4}
Linear Algebra
09/22/23
Solve the following system of equations
Give the answer as an ordered pair. If infinitely many solutions, then enter x for x and give y as a function of x: 5x-4y=5-10x+8y=-10
Follows
•
1
Expert Answers
•2
![]()
Linear Algebra
09/19/23
Complementary angles
Two angles whose sum is 90 degrees are complementary angles. Find the measures of the complementary angles in the figure.(4x-6)= ___. and (8x)=____ degrees
Linear Algebra
09/14/23
Mathematics Algebra/linear equations
Jolene invests her savings in two bank accounts, one paying 6% and the other paying 11% interest per year. She puts twice as much in the lower-yielding account because it is less risky. If she...
more
Linear Algebra
09/09/23
Perpendicular Vectors. I need help please
Find two vectors u and v such that: (i) Both the vector u and v are perpendicular to the vector w =(1,0,-1) and (ii) the vector u is perpendicular to the vector v.
Follows
•
1
Expert Answers
•1
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
