Newest linear algebra Questions | Wyzant Ask An Expert

Linear Algebra

11/09/22

Using simple linear regression, what is the forecast for week 22?

You have been given the demand data for the past 10 weeks for swim rings for children. You decide to run three different types of forecasting methods on the data to see which gives you best... more

Follows • 1

Answers •1

Linear Algebra

11/09/22

Parallel lines.

Find the equation of the line parallel to the line y=3x-2 and passes through the point (1,5)

Follows • 2

Answers •1

Linear Algebra Calculus Differential Equations Mathematica

11/08/22

Differential Equations- find the general solution(linear equation of order n)

1. (D3 − 3D2 − 10D) y = 02. (D3 − 3D2 − 4D − 12) y = 03. d3x/dt3+d2x/dt2-2dx/dt = 04. d3x/dt2-19dx/dt+30 = 05. (4D3 − 21D − 10 ) y = 0 6. (D3 − 14D + 8) y= 0 7. (D3 − D2 − 4D− 2) y = 0 8. (4D4 −... more

Follows • 0

Answers •1

Linear Algebra

11/07/22

Tough Question on hw

A chemist has three different acid solutions. The first acid solution contains 20%20% acid, the second contains 30%30% and the third contains 75%75%. They want to use all three solutions to obtain... more

Follows • 1

Answers •1

Linear Algebra

11/05/22

Let T be the linear transformation defined by T(x, y) = (5x, 8x − 3y, 7x + 2y, −x - 6y). Find its associated matrix A.

Follows • 1

Answers •1

Linear Algebra

11/05/22

Let T: R²→ R³ be the linear transformation defined by T(x, y) = (3x − y, 5x + 5y, y — 5x). Find a vector w that is not in the image of T.

Follows • 1

Answers •1

Linear Algebra Algebra 1

11/04/22

Use technology to perform a linear regression to determine the equation for the line of best fit for this data. Estimate the value of y when x=25.

x: 20, 22, 24, 26, 28y: 9, 12, 16, 20, 23Please explain the steps clearly. I don't know how to use a linear regression/graphing calculator. I also don't have one.

Follows • 1

Answers •2

Linear Algebra Math

11/04/22

Solving Linear-Quadratic Systems

If a quadratic function is represented by y= kx^2-5x+1 and a linear system is represented by y=4x+k, find the value of k where the two functions will only have one point of intersection.

Follows • 1

Answers •1

Linear Algebra Algebra 1

11/04/22

Given the function f(x)=x, how does the addition or subtraction of a constant to the output affect the graph? f(x)=x-2

Please explain how to answer it and explain why.

Follows • 2

Answers •1

Linear Algebra Algebra 1

11/04/22

Melissa runs a graphic design business. She charges by the page, and has a set-up fee. The table shows her earnings for the last few projects. What is her per-page rate and the set-up fee?

TABLE HERE!!!!!Cost ($): $185, $335, $485, $635Total Pages: 2, 4, 6, 8Please be descriptive about how to solve this.

Follows • 1

Answers •2

Linear Algebra Algebra 1

11/03/22

Evaluate the function for the elements in the domain {-4,-2,0,2,4}. This is the function: f(x)=2x-1

I don't know what they want for an answer or even the steps to solve it. Please explain it in as much detail as possible.

Follows • 1

Answers •3

Linear Algebra Algebra 1 Algebra 2

11/03/22

one month lisa rented

One month Lisa rented 5 movies and 6 video games for a total of $52.The next month she rented 3 movies and 2 video games for a total of $22. Find the rental cost for each movie and each video game.

Follows • 1

Answers •1

Linear Algebra Algebra 1 Algebra 2

11/03/22

Linda the trainer

Linda the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Friday there were 5 clients who did Plan A... more

Follows • 1

Answers •1

Linear Algebra Math Algebra 1 Algebra 2

11/02/22

find the growth rate of f(x)=4e^2x (as a percentage)

I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great. The answer is supposed to be as a percentage.

Follows • 2

Answers •1

Linear Algebra Math Algebra 1 Algebra 2

11/02/22

find the growth rate of f(x)=4e^2x

I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great.

Follows • 2

Answers •2

Linear Algebra

11/01/22

Prove by using properties/appropriate theorem, or disprove with counter example whether the given sets are subspace or not.

G = {P2(t) such that tp′(t) = 5p(t) where ′ is d/ dt. }

Follows • 1

Answers •1

Linear Algebra

11/01/22

Equations of parallel and perpendicular lines

Find an equation of the line that (a) has y-intercept of -10 and (b) is parallel to the line 3x+8y=123x+8y=12.Write your answer in the form y=mx+b

Follows • 2

Answers •1

Linear Algebra

10/31/22

Extremely Stuck

Maricopa's Success scholarship fund receives a gift of $ 140000. The money is invested in stocks, bonds, and CDs. CDs pay 4.75 % interest, bonds pay 3 % interest, and stocks pay 8.9 % interest.... more

Follows • 1

Answers •1

Linear Algebra Math Algebra 1 Algebra 2

10/31/22

Find the coefficient of the given term in the binomial expansion.

Follows • 1

Answers •1

Linear Algebra

10/29/22

HELP ASAP THANKS

five yrs ago, a mother was 5 times older than her son. in 8 yrs time, the mother will be 3times older than her son. how old are the mother and her son?

Follows • 1

Answers •1

Linear Algebra Math Algebra 1 Algebra 2

10/29/22

Let be the line defined by the vector equation v= [-1 -1] + t[-2 2]. Find the equation y=mx+b for L .

Follows • 1

Answers •1

Linear Algebra

10/29/22

Let w, x, y, z be vectors and suppose z = 2x + y and w = 4x - y - 2z.

Let w, x, y, z be vectors and suppose z = 2x + y and w = 4x - y - 2z. Mark the statements below that must be true.A. Span(x, y)=Span(w) B. Span(y, w)= Span(z) C. Span(y) = Span(w) D. Span(x, y) =... more

Follows • 2

Answers •1

Linear Algebra

10/29/22

The vectors v=[4 -1 -5] , u=[-2 2 -15+k] and w= [-3 2 -5] are linearly independent if and only if k=/

Follows • 1

Answers •1

Linear Algebra

10/29/22

Solving a word problem with three unknowns using a linear equation

Mary, Henry and Chang served a total of 105 orders Monday at the school cafeteria. Mary served 9 more orders than Henry. Chang served 2 times as many orders as Henry. How many orders did they each... more

Follows • 1

Answers •1

Linear Algebra

10/27/22

Solving a distance, rate, time problem using a system of linear equations

Two buses leave towns 1841 kilometers apart at the same time and travel toward each other. One bus travels 9 kmh slower than the other. If they meet in 7 hours, what is the rate of each bus?

Follows • 1

Answers •1

Using simple linear regression, what is the forecast for week 22?

Parallel lines.

Differential Equations- find the general solution(linear equation of order n)

Tough Question on hw

Let T be the linear transformation defined by T(x, y) = (5x, 8x − 3y, 7x + 2y, −x - 6y). Find its associated matrix A.

Let T: R²→ R³ be the linear transformation defined by T(x, y) = (3x − y, 5x + 5y, y — 5x). Find a vector w that is not in the image of T.

Use technology to perform a linear regression to determine the equation for the line of best fit for this data. Estimate the value of y when x=25.

Solving Linear-Quadratic Systems

Given the function f(x)=x, how does the addition or subtraction of a constant to the output affect the graph? f(x)=x-2

Melissa runs a graphic design business. She charges by the page, and has a set-up fee. The table shows her earnings for the last few projects. What is her per-page rate and the set-up fee?

Evaluate the function for the elements in the domain {-4,-2,0,2,4}. This is the function: f(x)=2x-1

one month lisa rented

Linda the trainer

find the growth rate of f(x)=4e^2x (as a percentage)

find the growth rate of f(x)=4e^2x

Prove by using properties/appropriate theorem, or disprove with counter example whether the given sets are subspace or not.

Equations of parallel and perpendicular lines

Extremely Stuck

Find the coefficient of the given term in the binomial expansion.

HELP ASAP THANKS

Let be the line defined by the vector equation v= [-1 -1] + t[-2 2]. Find the equation y=mx+b for L .

Let w, x, y, z be vectors and suppose z = 2x + y and w = 4x - y - 2z.

The vectors v=[4 -1 -5] , u=[-2 2 -15+k] and w= [-3 2 -5] are linearly independent if and only if k=/

Solving a word problem with three unknowns using a linear equation

Solving a distance, rate, time problem using a system of linear equations

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

Linear Algebra

what is a straight edge

Why must the determinant of a matrix with integer entries be an integer?

RECOMMENDED TUTORS

find an online tutor