1,975 Answered Questions for the topic linear algebra

Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Hi I’m so I need a lot of assistance with my math homework as soon as possible

1.) The value of y varies directly with x, and y = 343 when x = 49. Find y when x = 8.A.) 56B.) 1/7C.) 7D.) 49  2.) Write the inverse variation function given that y varies inversely with x, and y... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Please help me as soon as possible please

1.) The value of y varies directly with x, and y = 343 when x = 49. Find y when x = 8.A.) 56B.) 1/7C.) 7D.) 49  2.) Write the inverse variation function given that y varies inversely with x, and y... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Hi I’m can I please receive homework help as soon as possible please thank you

Using an exponential model for the data, estimate when the population will exceed 100 million.A.) The population will exceed 100 million in 2022.B.) The population will exceed 100 million in... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Hello please please help with my homework asap
1.) Determine whether f is an exponential function of x. If so, find the constant ratio.A.) f is not an exponential function.B.) f is an exponential function with a constant ratio of 1/2.C.) f is... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Hi please help me asap with my algebra homework please
Using an exponential model for the data, estimate when the population will exceed 100 million.A.) The population will exceed 100 million in 2022.B.) The population will exceed 100 million in... more
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Linear Algebra Math Algebra 1 Geometry

03/08/21

Hello please help me with my math homework other tutors have not been able to do so please help asap
Using an exponential model for the data, estimate when the population will exceed 100 million.A.) The population will exceed 100 million in 2022.B.) The population will exceed 100 million in... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Hi so um can I receive help with this math homework question as soon as possible please

Using an exponential model for the data, estimate when the population will exceed 100 million.A.) The population will exceed 100 million in 2022.B.) The population will exceed 100 million in... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

Please help me with my homework I have needed help for many hours

1.) Identify the transformed function that represents f(x) = ln x stretched vertically by a factor of 2, reflected across the x-axis, and shifted by 4 units right.A.) g(x) = −2ln (x − 4)B.) g(x) =... more
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Linear Algebra Math Algebra 1 Algebra 2

03/08/21

I am new and I need much assistance with my homework please

1.) Determine whether f is an exponential function of x. If so, find the constant ratio.A.) f is not an exponential function.B.) f is an exponential function with a constant ratio of 1/2.C.) f is... more
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Linear Algebra

03/05/21

Linear Equations

A party rental company has chairs and tables for rent. The total cost to rent 6 chairs and 5 tables is $53. The total cost to rent 2 chairs and 3 tables is $29. What is the cost to rent each chair... more
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Linear Algebra Algebra Word Problems

03/04/21

if f is a linear function so that f(a-1)=8 and f(a+3)=16 then find f(a)
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Linear Algebra Algebra 2 Linear Equations

03/02/21

Solve the following system if equations for all three variables

9x+4y+9z=3-9x-2y-7z=1-x+2y+z=5
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Linear Algebra

02/27/21

Suppose that A and B are n x n matrices with det(A)=3 and det(B)=5. What is det((A^(-1))(B^T))?
Suppose that A and B are n x n matrices with det(A)=3 and det(B)=5. What is det(A-1BT)?
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Linear Algebra Math Discrete Math Mathematics

02/27/21

Prove or disprove: A^2 - B^2 = (A - B)(A + B) for all square matrices A and B of the same size.
Prove or disprove: A2 - B2 = (A - B)(A + B) for all square matrices A and B of the same size.
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Linear Algebra Linear Equations

02/26/21

Solve the following system of equations for all three variables

2x-3y-2z=78x-3y+2z=-94x+3y+4z=-3
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Linear Algebra

02/25/21

Explain how to make up an equation to go with 3x - 4y = 10 , so that the system will have no solution
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Linear Algebra

02/25/21

Math problem solved by Graphing, Substitution, and Elimination
Hi, the question is "A flying saucer filled with space aliens landed in my back yard! After the entire crew had filled out of the spaceship, I happened to count their heads and feet, I saw a total... more
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Linear Algebra Math Proofs

02/23/21

Linear Algebra Question
Let G be a function from R2 to R2, G: R2->R2 so, if xER2 then G(x) is uniquely defined. and G(x)ER2 (for example the velocity of a boat as a function of its position on the ocean)We say that G... more
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Linear Algebra

02/23/21

Find all values of λ for which det(A) = 0, using the method of this section.
λ1 = λ2 =λ3 =
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Linear Algebra

02/23/21

Find all values of λ for which det(A) = 0, using the method of this section.
λ1=λ2=
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Linear Algebra

02/23/21

Find M23 given A matrix (in Description below).
Let A=Find M23.
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Linear Algebra

02/22/21

What are the value(s) of k?
let A = [ 3 2 -1 2] B = [ 2 8 -4 k] What values(s) of k, if any, will make AB=BA?a) k = []b) No value of k will make AB = BA
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Linear Algebra Math Linear Equations Maths

02/22/21

create a cost function in the form CA=mx+b where m is total cost per burger x is the number of burgers sold and b is fixed cost of per week
m= 0.45x= 450b= 1077.5how would this look as an equation which can be graphed because when I do it it looks like 0.45 x 450 + 1077.5and when I try to put it on online graphing technologies it won't... more
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Linear Algebra

02/22/21

Algebra College
n=4;i and 2i are zeros;f(-1)=30
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Linear Algebra

02/22/21

The sum of 5 and y is 17
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