Newest linear algebra Questions | Wyzant Ask An Expert

08/22/19

Distance vertices

Three straight paths in a park create a triangle with picnic shelters at their vertices. The picnic shelters are located at (-24, 16), (56, -16) and (-72, -32). Where should a "splash pad" be... more

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Linear Algebra Math Algebra 1 Algebra 2

08/21/19

Quadrilaterals vertices PQRS

Quadrilateral PQRS has vertices P(3,2), Q(0,4), R(-2,1) and S(1,-1) a) Verify that quadrilateral PQRS is a square.b) Find the perimeter of the rectangle.

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Linear Algebra

08/21/19

The sum of a number and four times the number.

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Linear Algebra

08/19/19

On Tuesday Shanice bought five hats. On Wednesday half of all the hats that she had were destroyed. On Thursday here were only 17 left. How manybdid she have on Monday?

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Linear Algebra Math Algebra 1 Differential Equations

08/15/19

please help me with this problem. i am having so much trouble

An acquaintance of one of the authors was about to take his startup internet company public. He owned 5% of the 900,000 shares of stock that were issued when the company was first formed.The board... more

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Linear Algebra

08/15/19

linear tranformation

Let T:ℝ2→ℝ2 be the linear transformation that first reflects points through the x-axis and then then reflects points through the line y=−x. Find the standard matrix A for T.

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Linear Algebra

08/14/19

SAT Word Problem

Kathy is a repair technician for a phone company. Each week, she receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated... more

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Linear Algebra Math Algebra 1 Algebra 2

08/13/19

solve an inequality

In your class, you have scores of 84, 92, 83 and 89 on the first four of five tests. To get a grade of Upper B, the average of the first five tests scores must be greater than or equal to 80 and... more

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Linear Algebra Math Calculus

08/09/19

If v1 and v2 are eigenvectors of a matrix A corresponding to the eigenvalues λ1 =2 and λ 2 =6...

If v1 and v2 are eigenvectors of a matrix A corresponding to the eigenvalues λ1 =2 and λ2 =6...v1= [-5 v2= [ 5 1] 4]then,A(v1 + v2)=A(3v1)=

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Linear Algebra Math Algebra 1 Algebra 2

08/09/19

Determine the coordinates for fire station

On a map, three towns are located at the coordinates A(5,1), B(-2,0) and C(4,8). The township wants to build a new fire station that is the same distance from each town. Determine the coordinates... more

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Linear Algebra Math Algebra 1 Algebra 2

08/09/19

Quadrilaterals - Verify that the shape with vertices at P(-5,2), Q(-1,3), R(-2,-1) and S(-6,-2) is a rhombus.

Verify that the shape with vertices at P(-5,2), Q(-1,3), R(-2,-1) and S(-6,-2) is a rhombus.

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Linear Algebra Math Algebra 1 Algebra 2

08/08/19

Determine the equation of a line that is perpendicular to the line 5x+y-6=0 and passes through the point (4, -3).

Grade 10 MathDetermine the equation of a line that is perpendicular to the line 5x+y-6=0 and passes through the point (4, -3).

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Linear Algebra Math Algebra 1 Algebra 2

08/07/19

Problem solving - Linear Systems

1) Solve the following linear system using Substitution and interpret the results. 6x=3y+2 and y-2x+4=02) Two fractions have denominators 3 and 4 and their sum is 17/12. If the numerators are... more

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Linear Algebra

08/03/19

How to solve equation step by step

11+ 4x = x -10

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Linear Algebra

08/02/19

Linear equations by elimination

If 3 shirts and 2 sweaters are $114, or 2 shirts and 4 sweaters are $164, how much does shirt cost? How much does sweater cost?

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Linear Algebra Writing Linear Equations

07/31/19

Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Select two options. y = –x + 1 3x − 4y = −4 4x − 3y = −3 y – 2 = –(x – 4) y + 2 = (x + 4)

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Linear Algebra

07/28/19

The difference of two numbers is 65 and the smaller number is n. What is the other number?

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Linear Algebra

07/28/19

Ordering integers

8 is greater than less than or equal to -12

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Linear Algebra Math Algebra 1 Algebra 2

07/26/19

Word Problem - Linear Systems

Ken asked a friend to rent him a video game and as a joke the friend rented one that he didn’t think Ken would like. He was right. So Ken paid his friend the rental cost of $6.15 (including taxes)... more

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Linear Algebra Math Algebra 1 Algebra

07/26/19

Samantha drove 440 km in 5 hours. She drove part of the way at 80 km/h and the rest at 100 km/h. What distance did she drive at each speed?

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Linear Algebra Math Algebra 1 Algebra 2

07/25/19

Solve each system of equations by hand using a graphing method of your choice.

1.Solve each system of equations by hand using a graphing method of your choice.a) y=x-3 and 7-x=yb) 2x-y+1=0 and x+2y=-82.Solve the following system using Substitution 2x-y=-2 and 3x+2y=-103.Solve... more

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Linear Algebra Math Algebra 1 Algebra 2

07/23/19

A solution of 10% sulfuric acid and one of 25% sulfuric acid are to be used to make 500 ml of 20% sulfuric acid. how many ml of each solution needs to be used in the mixture?

A solution of 10% sulfuric acid and one of 25% sulfuric acid are to be used to make 500 ml of 20% sulfuric acid. How many ml of each solution needs to be used in the mixture? (Answer to the nearest... more

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Linear Algebra

07/22/19

Find two points on the graph of the parabola than the vertex and x-intercepts

k(x)=(x-1)2 + 5

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Linear Algebra Linear Equations

07/20/19

Linear equations with one variable on both sides reducible to linear form

A two digit number is 2 more than 5 times the sum of its digits. If the digit in the tens place is 1 less than the digit in the units place, find the number.

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Linear Algebra Matlab Linear Equations

07/19/19

Determine the Number of People that attended the game in Each Category Cost and the Total Revenue.

A Football stadium has 100,000 seats. In a game with full capacity people with the following ticket and associated cost attended the game: Cost:Student - 25Alumni - 50 Faculty - 75Public -... more

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Distance vertices

Quadrilaterals vertices PQRS

The sum of a number and four times the number.

On Tuesday Shanice bought five hats. On Wednesday half of all the hats that she had were destroyed. On Thursday here were only 17 left. How manybdid she have on Monday?

please help me with this problem. i am having so much trouble

linear tranformation

SAT Word Problem

solve an inequality

If v1 and v2 are eigenvectors of a matrix A corresponding to the eigenvalues λ1 =2 and λ 2 =6...

Determine the coordinates for fire station

Quadrilaterals - Verify that the shape with vertices at P(-5,2), Q(-1,3), R(-2,-1) and S(-6,-2) is a rhombus.

Determine the equation of a line that is perpendicular to the line 5x+y-6=0 and passes through the point (4, -3).

Problem solving - Linear Systems

How to solve equation step by step

Linear equations by elimination

Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Select two options. y = –x + 1 3x − 4y = −4 4x − 3y = −3 y – 2 = –(x – 4) y + 2 = (x + 4)

The difference of two numbers is 65 and the smaller number is n. What is the other number?

Ordering integers

Word Problem - Linear Systems

Samantha drove 440 km in 5 hours. She drove part of the way at 80 km/h and the rest at 100 km/h. What distance did she drive at each speed?

Solve each system of equations by hand using a graphing method of your choice.

A solution of 10% sulfuric acid and one of 25% sulfuric acid are to be used to make 500 ml of 20% sulfuric acid. how many ml of each solution needs to be used in the mixture?

Find two points on the graph of the parabola than the vertex and x-intercepts

Linear equations with one variable on both sides reducible to linear form

Determine the Number of People that attended the game in Each Category Cost and the Total Revenue.

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