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Linear Algebra Math Algebra Linear Equations

01/21/22

Linear Equation Word Problems

Cecilia rents a moving truck that uses a gallon of gas every 10 miles for $29.95 per day. She incurs an additional charge of $0.89 for each mile traveled and must return the truck with the same... more

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Linear Algebra Math Algebra Linear Equations

01/20/22

Linear Equation Word Problems

Alma and Erika work part-time stocking shelves at a grocery store. At 7:00 a.m on Saturday, Alma begins unpacking boxes at a rate of 1 box every 6 minutes. Erika joins her at 7:45 a.m unpacks 1 box... more

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Linear Algebra Math Algebra Linear Equations

01/19/22

Linear Equation Word Problem

Oliver mows lawns in his neighborhood. He charges $10 for each regular yard he mows, and he charges an extra $5 for each large yard that he mows. In one week he mowed 6 more large yards than... more

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Linear Algebra Math Algebra Linear Equations

01/19/22

Linear Equation Word Problems

A meteorologist estimates that on a sunny day, the air temperature decreases by about 4 degrees fahreheit every 1,000 (ft) of elevation gain. On a certain day, the air temperature outside an... more

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Linear Algebra Math Algebra Linear Equations

01/19/22

Linear Equation Word Problems

A meteorologist estimates that on a sunny day, the air temperature decreases by about 4 degrees fahreheit every 1,000 (ft) of elevation gain. On a certain day, the air temperature outside an... more

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Linear Algebra Calculus Differential Equations De

01/18/22

general solution of high DE using reduction of order

find the general solution of the DE ..... y1 = x1/24x2y''+y=24x1/2ln(x)I reduced the DE to first linear by letting w = u'w' +1/x w = 6ln(x) / x2found u to be ln3(x)+ln(x)c1+c2my general solution... more

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Linear Algebra Algebra Homework

01/17/22

Linear Question

Sandra, who is paid time-and-a-half for hours worked in excess of 40 hours, had gross weekly wages of $667 for 52 hours worked. What is her regularly hourly rate?

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Linear Algebra Calculus Differential Equations De

01/15/22

general solution of high DE "variation of parameters"

find the general solution of the non-homogeneous DE:x2y'' -3xy'+4y=x2, x>0I first solved the associated homogen. equation using cauchy euler method and found y1 and y2 to bey1=x2,... more

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Linear Algebra Calculus Differential Equations De

01/15/22

GENEREAL SOLUTION OF HIGH DE "REDUCTION ORDER"

find the general solution of the DE given that y1 = exxy'' +(3-2x)y'+(x-3)y=0I want to make sure of my answer. my answer is:y=ex(-C1x-2/2 +C2)please let me know if my solution is correct

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Answers •2

Linear Algebra Calculus Differential Equations De

01/15/22

GENEREAL SOLUTION OF HIGH DE "REDUCTION ORDER"

find the general solution of the DE given that y1 = exxy'' +(3-2x)y'+(x-3)y=0I want to make sure of my answer. my answer is:y=ex(-C1x-2/2 +C2)please let me know if my solution is correct

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Linear Algebra Math Linear Equations

01/02/22

linear algebra math questions

Find the complete solution to 𝐴𝑥 = 𝑏. Show all steps in detail.A= [2 4 64 , 2 5 76, 2 3 52] b=[b1 b2 b3 ]= [4 3 5]

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Linear Algebra Math Linear Equations

01/02/22

lineer algebra math question

Reduce A and B to their triangular echelon forms U. Which variables are free and pivot ?A=[1 2 24 6, 1 2 36 9, 0 0 12 3] B=[2 4 2, 0 4 4, 0 8 8]

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Linear Algebra Math Algebra 1 Algebra

12/29/21

Algebra Linear Question

The sum of three consecutive numbers is equal to the smallest number multiplied by 4

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Linear Algebra Math Algebra 2 Algebra

12/28/21

Linear Algebra question

Identify the property illustrated in: If x + 5 = 6, then 3x + 15 = 18?

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Linear Algebra

12/26/21

A square matrix A is said to be idempotent if A^2 = A.

Let A be an idempotent matrix.(a) Show that I − A is also idempotent.(b) Show that if A is invertible, then A = I.(c) Show that the only possible eigenvalues of A are 0 and 1. (Hint: Suppose x is... more

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Linear Algebra

12/22/21

please help me with this problem

line passes through (4,-2) and slope 5/4 write an equation in slope intercept form

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Linear Algebra Linear Equations

12/22/21

Find the whole answer of Ax = b, including all steps.

A = [2 4 642 5 762 3 52] b = [b1b2b3] = [435]

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Linear Algebra Math Maths Mathematics

12/21/21

Linear Algebra Question

Let V = P2 equipped with the inner product <f, g> = integral from -1 to 1 of t * f(t) *g(t) dtconsider the linear transformation T from V into R such that T(f) = f(0)Find a basis of the... more

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Linear Algebra Linear Equations

12/20/21

How to Graph a Line given 1 point and the slope!

Graph the line that contains the point (-4, -7) and has a slope of 2 (m = 2).

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Linear Algebra

12/16/21

Maximize f=7x+5y subject to the following constraints and and find the shadow price for Constraint 4 :

Constraint 1: 3x+4y<=24Constraint 2: 2x+y<=10Constraint 3: x =>1Constraint 4: y<=5x and y are non-negative

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Linear Algebra

12/13/21

Linear Algebra - Finding values

Find all the values of the sixth root for the following: (-1-i)^1/6

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Linear Algebra

12/01/21

Write an equation in slope-intercept form for the line passing through the pair of points. (6, 4) (4, -5)

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Linear Algebra Math

11/29/21

6. Harry is buying a mix of almonds and peanuts. Almonds are $15/kg and peanuts are $5/kg. Harry spends $75 in total.

continuation from the previous question^^^6. a)Write an equation to model this situation. Define your variables. 6. b) If Harry only buys almonds, how many kg can he buy?

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Linear Algebra Math

11/29/21

The sum of two numbers is 12. The difference is -2. What are the two numbers? Define your variables.

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Linear Algebra

11/28/21

Invert these matrices A by the Gauss-Jordan method starting [AI]

A = [1 0 0 2 1 3 0 0 1] and A =[ 1 1 1 1 2 2 1 2 3 ]

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Linear Equation Word Problems

Linear Equation Word Problems

Linear Equation Word Problem

Linear Equation Word Problems

Linear Equation Word Problems

general solution of high DE using reduction of order

Linear Question

general solution of high DE "variation of parameters"

GENEREAL SOLUTION OF HIGH DE "REDUCTION ORDER"

GENEREAL SOLUTION OF HIGH DE "REDUCTION ORDER"

linear algebra math questions

lineer algebra math question

Algebra Linear Question

Linear Algebra question

A square matrix A is said to be idempotent if A^2 = A.

please help me with this problem

Find the whole answer of Ax = b, including all steps.

Linear Algebra Question

How to Graph a Line given 1 point and the slope!

Maximize f=7x+5y subject to the following constraints and and find the shadow price for Constraint 4 :

Linear Algebra - Finding values

Write an equation in slope-intercept form for the line passing through the pair of points. (6, 4) (4, -5)

6. Harry is buying a mix of almonds and peanuts. Almonds are $15/kg and peanuts are $5/kg. Harry spends $75 in total.

The sum of two numbers is 12. The difference is -2. What are the two numbers? Define your variables.

Invert these matrices A by the Gauss-Jordan method starting [AI]

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