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Linear Algebra Algebra 1 Algebra Linear Equations

01/27/21

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).

(0.5 mark for substituting slope value correctly, 0.5 mark for substituting x and y values correctly, 1 mark for isolating and solving for b, 1 mark for writing correct equation)

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Linear Algebra

01/27/21

I need help graphing this solution.

Graph the solutions to y = -1/2x on the same coordinate plane.

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Linear Algebra Algebra 1 Functions

01/27/21

Write a linear function f with the values f(0)=-5 and f(1)=-3

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Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix?

Find the general solution of the system whose augmented matrix is given belowa. x1 = x2 is freex3 is freeb. x1 =x2 =x3 =c. x1 = x2 is freex3 = d. The system has no solution

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Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix is given below

Chose one:1.x1 = x2 = x3 is free2.x1 = x2 = x3 =3.x1= x2 is free x3 is free4.The system has no solution

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Linear Algebra

01/25/21

Which matrix is in reduced echelon form or only in echelon form?

Which matrix is in reduced echelon form and which others are only in echelon form.Is matrix 1 in reduced echelon form, echelon form only, or neither?Is matrix 2 in reduced echelon form, echelon... more

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Linear Algebra

01/25/21

Determine the value of such that the matrix is the augmented matrix of a consistent linear system

a) the matrix is the augmented matrix of a consistent linear system if h ≠ []b) The matrix is the augmented matrix of a consistent linear system if h = []c) The matrix is the augmented matrix of a... more

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Linear Algebra Algebra 1 Algebra 2 Algebra

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more

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Answers •1

Linear Algebra Algebra 1 Algebra 2 Algebra

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more

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Answers •1

Linear Algebra Algebra 1 Algebra 2 Linear Equations

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more

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Answers •1

Linear Algebra Linear Equations

01/25/21

A town is organizing a Fourth of July Parade.

A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is 15ft.. A space of 10 ft will be left after each float. A. Describe... more

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Linear Algebra Algebra 1 Algebra 2

01/22/21

please help me with this question :For what values (s) of h is y in the plane generated by v1 and v2 ?

Let = , , and = For what values (s) of h is in the plane generated by and ?

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Linear Algebra Algebra 1 Algebra 2 Calculus

01/20/21

Is this math statement true:

Is this math statement true:: If AB = 0, then A = 0 or B = 0 or both are equal to zero.

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Answers •4

Linear Algebra

01/20/21

Linear Independence of Column and Row Vectors

Question : Let A be an n*n matrix.Prove the following :If column vectors of A are linearly independent, then the row vectors of A are linearly independent.Thank you!

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Linear Algebra

01/20/21

When a number is decreased by 10% of itself, the result it 135. What is the number?

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Answers •1

Linear Algebra

01/20/21

When a number is decreased by 10% of itself, the result it 135. What is the number?

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Answers •1

Linear Algebra Calculus

01/20/21

true/false matrices: which of the following are true

A. If 𝐴 is an 𝑛×𝑛 matrix and if the equation 𝐴𝑥=𝑏 does not have a solution for some 𝑛-vector 𝑏 in ℝ𝑛, then 𝐴 cannot have a pivot position in every row. B. The matrix 𝐴 is 𝑠𝑖𝑛𝑔𝑢𝑙𝑎𝑟 if the... more

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Answers •2

Linear Algebra

01/20/21

A^-1 element Qn,n

Hey, i am studying linear algebra 1 , i need a solution for this problem please , i don't know how to start:(Let A =[aij] € GLn (IR) with aij element Z. Show the following statements: 1.) A^-1... more

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Linear Algebra Math Algebra 1 Algebra 2

01/19/21

Rebecca has $4.15 in quarters and nickels. The number of quarters she has is one less than twice the number of nickels. How many quarters and how many nickels does she have?

Give 2 equations and the nickels and quarters

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Answers •3

Linear Algebra

01/19/21

Prove that N(Ak)⊆N(A(k+1)) for A∈Rn×n and k∈N.

Prove that N(Ak)⊆N(Ak+1) for A∈Rnxn and k∈N.

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Answers •1

Linear Algebra Math Maths Mathematics

01/18/21

Linear Algebra : Equivalence Statements Involving Elementary Matrices

Prove : If an n*n matrix A can be expressed as a product of elementary matrices, Ax = b is consistent for every n*1 matrix b.My thoughts on the question :Since A can be expressed as a product of... more

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Linear Algebra Math

01/16/21

Linear Algebra Math

Let v1 = (1, -2, 3) and v2 = (-2, -2, 4). Which of the following vectors are in span{v1, v2}? (i) (3, 0, -1) (ii) (5, 2, -4) (iii) (8, 2, -5) (A) (ii) and (iii) only (B) (iii) only (C) (i) and... more

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Linear Algebra Linear Equations

01/15/21

You would like to see how many baseball and basketball games you can attend this summer.

Travel time for baseball games is 2 hours and basketball games is 1 hour. You would like to spend no more than 15 hours traveling to the games. In total, you would like to attend at least 8 games.... more

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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

A gas station uses the formula p(x) = 0.46 + 0.9x, where...

A gas station uses the formula p(x) = 0.46 + 0.9x, where x represents the wholesale price of the gas, to figure out how much to charge per gallon. What was the wholesale price if they are charging... more

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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Please help with linear equation

Which is a linear equation for the population, P, of a town whose initial population is 23,400 and decreases by 200 people per year?a) P = 23,400 + 200tb) P = 23,400 – 200tc) P = 200 +... more

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Answers •1

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).

I need help graphing this solution.

Write a linear function f with the values f(0)=-5 and f(1)=-3

Find the general solution of the system whose augmented matrix?

Find the general solution of the system whose augmented matrix is given below

Which matrix is in reduced echelon form or only in echelon form?

Determine the value of such that the matrix is the augmented matrix of a consistent linear system

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

A town is organizing a Fourth of July Parade.

please help me with this question :For what values (s) of h is y in the plane generated by v1 and v2 ?

Is this math statement true:

Linear Independence of Column and Row Vectors

When a number is decreased by 10% of itself, the result it 135. What is the number?

When a number is decreased by 10% of itself, the result it 135. What is the number?

true/false matrices: which of the following are true

A^-1 element Qn,n

Rebecca has $4.15 in quarters and nickels. The number of quarters she has is one less than twice the number of nickels. How many quarters and how many nickels does she have?

Prove that N(A*k)⊆N(A*(k+1)) for A∈Rn×n and k∈N.

Linear Algebra : Equivalence Statements Involving Elementary Matrices

Linear Algebra Math

You would like to see how many baseball and basketball games you can attend this summer.

A gas station uses the formula p(x) = 0.46 + 0.9x, where...

Please help with linear equation

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Prove that N(Ak)⊆N(A(k+1)) for A∈Rn×n and k∈N.