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Linear Algebra

02/05/24

Scientific Model

A scientific model is used to predict the average global high temperature on earth by anaylizing the data from previous years. In 1910, the temperature was 66∘ F However, the temperature has grown... more

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Linear Algebra

02/03/24

Put the following equation of a line into slope-intercept form, simplifying all fractions.

Put the following equation of a line into slope-intercept form, simplifying all fractions.5x+6y=6

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Linear Algebra

02/02/24

Express the column matrix b as a linear combination of the columns of A. (Use A1, A2, and A3 respectively for the columns of A.)

A= [1 -1 2 ] B= [ -1 1 3 -3 9

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Linear Algebra Differential Equations

01/30/24

Consider the differential equation

d2x/dt2 - dx/dt - x = cos(t)This equation could describe a forced damped oscillator, as we will see in Chapter 9. We are told that the differential equation has a solution of the form x(t) =... more

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Linear Algebra

01/30/24

Relative Speed of Boat

On a sunny summer day, you are taking the scenic boat ride from Stein am Rhein, Switzerland, to Schaffhausen, down the Rhein River. This nonstop trip takes 36 minutes, but the return trip to Stein,... more

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Linear Algebra Math Calculus

01/30/24

Solve the following linear system.

I don't understand how to get the free variables as well as the first column. I got it to RREF but after that I'm confused. I keep getting it wrong. Please help! Here is the link to the question.... more

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Linear Algebra

01/24/24

Solving a word problem involving area

A school is painting its logo in the shape of a triangle in the middle of its sports field. The school wants the height of the triangle to be 8 feet. The area of the logo must be more... more

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Linear Algebra Math Mechanical Engineering

01/21/24

Linear Algebra and Matrices question. Solve the system.

It wouldn't let me paste the picture here so here's the link. PLEASE HELP ASAP!!! https://ibb.co/mtn6qX1

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Linear Algebra Algebra 1 Algebra 2 Calculus

01/17/24

What is the formula to find a random term's number in a geometric progression using the random term?

I think it is the inverse of this formula: RANDOM TERM = (SUM * (1-COMMON RATIO) / (1-COMMON RATIO^x).

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Linear Algebra

01/16/24

Find the equation of the line with slope = 4 that passes through (

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Linear Algebra Math

01/14/24

what is the equation of the line that passes through the points (6,650) and (8,600)

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Linear Algebra

12/14/23

Heather, Carlos, and Ravi served a total of 139 orders Monday at the school cafeteria.

Heather, Carlos, and Ravi served a total of 139 orders Monday at the school cafeteria. Ravi served 4 times as many orders as Heather. Carlos served 5 fewer orders than Heather. How many orders did... more

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Linear Algebra

12/13/23

Linear equations

Two trains are 1200miles apart and are on a non-stop trip towards Denver. Train A is traveling at 75mph and left its last stop at 3:00pm. Train B left its last stop at 1:00pm and is traveling at... more

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Linear Algebra Math

12/12/23

Solving the homogenous linear system

Solve the homogeneous linear system corresponding to the given coefficient matrix. (If there is no solution, enter NO SOLUTION. If the system has an infinite number of solutions, express x1, x2,... more

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Linear Algebra Algebra 1

12/08/23

Tony had 20$ he wants to buy at least 4 snacks. Hot dogs (x) are 3$ each peanuts (y) are 2$ each

So what would be the total price? I have never done this one before.Total snacks: X + Y > (greater than or equal to) 4Total price: 3x + 2y < (less than or equal to) [?]

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Linear Algebra

12/05/23

The perimeter of a rectangular fence is to be at least 100 feet and no more than 126 feet. If the width of the fence is 21 feet, what is the range of values for the length of the fence?

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Linear Algebra Algebra 1

11/30/23

Algebra 1 question

the height of the triangle is 4 inches shorter than the base the are of the triangle is 198 square inches find the dimensions of the triangle. find the dimensions.

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Linear Algebra

11/29/23

Systems of Linear Equations: Gaussian Elimination

A movie theater has a seating capacity of 285. The theater charges $5.00 for children, $7.00 for students, and $12.00 for adults. There are half as many adults as there are children. If the total... more

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Linear Algebra

11/24/23

prove that <u,v>=u1v1-2u1v2-2u2v1+5u2v2 is an in inner product on R^2,where u=(u1,u2),v=(v1,v2)

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Linear Algebra

11/24/23

Algebra problem

The selling price of a refrigerator is 711.90.the markup is 5%of the dealers cost .what is the dealers cost

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Linear Algebra

11/13/23

Find a set of vectors {𝑢⃗ ,𝑣⃗ } in ℝ^4 that spans the solution set of the equations: w-x+2y-z=0 4w+2x-y+2z=0

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Linear Algebra

11/08/23

Graph a linear equation with fractions

Ÿ=1/4-5/2x

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Linear Algebra Data Science

11/07/23

how do i use linear programming to solve this problem and find the constraints and variables.

You make custom T-shirts with inspirational sayings on them. You just found out about a community flea market sale that is starting tomorrow. You have just 8 hours to prepare product for this sale.... more

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Linear Algebra

11/02/23

Fill in the table so it represents a linear function.

X:5,10,15,20,25Y:-1, blank, blank, blank, 11

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Linear Algebra Math

11/01/23

How to write a linear equation that will find out how many miles George can travel

George and his grandmother want to visit a different destination each day. He needs to decide which destinations they can visit and still keep the total car rental cost inside of his $245 car... more

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Scientific Model

Put the following equation of a line into slope-intercept form, simplifying all fractions.

Express the column matrix b as a linear combination of the columns of A. (Use A1, A2, and A3 respectively for the columns of A.)

Consider the differential equation

Relative Speed of Boat

Solve the following linear system.

Solving a word problem involving area

Linear Algebra and Matrices question. Solve the system.

What is the formula to find a random term's number in a geometric progression using the random term?

Find the equation of the line with slope = 4 that passes through (

what is the equation of the line that passes through the points (6,650) and (8,600)

Heather, Carlos, and Ravi served a total of 139 orders Monday at the school cafeteria.

Linear equations

Solving the homogenous linear system

Tony had 20$ he wants to buy at least 4 snacks. Hot dogs (x) are 3$ each peanuts (y) are 2$ each

The perimeter of a rectangular fence is to be at least 100 feet and no more than 126 feet. If the width of the fence is 21 ​feet, what is the range of values for the length of the​ fence?

Algebra 1 question

Systems of Linear Equations: Gaussian Elimination

prove that <u,v>=u1v1-2u1v2-2u2v1+5u2v2 is an in inner product on R^2,where u=(u1,u2),v=(v1,v2)

Algebra problem

Find a set of vectors {𝑢⃗ ,𝑣⃗ } in ℝ^4 that spans the solution set of the equations: w-x+2y-z=0 4w+2x-y+2z=0

Graph a linear equation with fractions

how do i use linear programming to solve this problem and find the constraints and variables.

Fill in the table so it represents a linear function.

How to write a linear equation that will find out how many miles George can travel

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The perimeter of a rectangular fence is to be at least 100 feet and no more than 126 feet. If the width of the fence is 21 feet, what is the range of values for the length of the fence?