1,975 Answered Questions for the topic linear algebra

Linear Algebra

03/27/21

Linear Algebra and Linear Equation
Mark invested a total of P33 000.00 in three parts : the first at 5%, the second at 6%, and the third at 8%. His profit at the end of the year was P 2230. Had he interchanged the rates of the first... more
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Linear Algebra Linear Equations

03/27/21

Algebra (Linear Algebra)
The sum of the digits of a three-place number is 14. If the digits are reversed and the resulting number is added to the original, the sum is 1171. If the resulting number is subtracted from the... more
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Linear Algebra

03/26/21

Determine which of the following are subspaces ?

U∪V={x∈Rn | x∈U or x∈V}, where U and V are fixed (but arbitrary) subspaces of Rn  w = {A^2 * x | x ∈ R2}, where A is a fixed, but arbitrary 2×2 matrix. 3.3 X = {x ∈ Rn | Ax = Bx}, where A... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Please help me as soon as possible please with algebra homework

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Please help me with this algebra homework question as soon as possible please

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Hello, I need assistance with my algebra homework very soon please

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
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Linear Algebra

03/26/21

Which of these transformations is not linear? The input is v = (v1, v2). (i) T(v) = (v1, v2). (ii) T(v) = (v1, v1). (iii) T(v) = (0, v1). (iv) T(v) = (0, 1).
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

application of linear algebra
Question # 2: Consider an open economy with three industries: coal-mining operation, electricity-generating plant and an auto-manufacturing plant. To produce $1 of coal, the mining... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Hi um so these questions have stumped me for days please help me with my math homework

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Hi I have not gotten any help please respond please help me very quickly

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Poor favor I am in desperate need of help I have not received any and I am on the verge of crying please help
1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could be used to... more
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Expert Answers •2
Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Hi please respond and help very quickly with math homework please
1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could be used to... more
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Expert Answers •1
Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Por favor I need help with my algebra homework please very quickly I have needed help for hours
1.) The cost to print photos is modeled by C(n), where n represents the number of prints.The print shop plans to raise the rate per printed photo by $0.10, and offer a 25% discount on the rate if... more
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Linear Algebra Math Algebra 1 Algebra 2

03/26/21

Hello I have not received help from anyone and I am so desperate I need help with my algebra homework please very quickly

1.) The cost to print photos is modeled by C(n), where n represents the number of prints.The print shop plans to raise the rate per printed photo by $0.10, and offer a 25% discount on the rate if... more
Follows • 2
Expert Answers •2
Linear Algebra Math Algebra 1 Algebra 2

03/26/21

I am in desperate need of help with my algebra homework please please help me as soon as possible very quickly please respond

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
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Expert Answers •1
Linear Algebra Math Algebra 1 Algebra 2

03/26/21

I am new and I have not received any help with my algebra homework please help me as soon as possible please

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
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Linear Algebra Math Algebra 1 Algebra 2

03/25/21

Hola so I need much assistance with my algebra homework please please help me as soon as possible please quickly
1.) The graph below shows the number of customers in a shopping mall on a Friday, beginning at 10 A.M. and ending at 10 P.M. Which of the following represents a possible interpretation of this... more
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Linear Algebra Math Algebra 1 Algebra 2

03/25/21

I have needed help for hours and I have not received any from any tutors please help me with my math homework please respond

1.) The graph below shows the number of customers in a shopping mall on a Friday, beginning at 10 A.M. and ending at 10 P.M. Which of the following represents a possible interpretation of this... more
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Expert Answers •1
Linear Algebra Math Algebra 1 Algebra 2

03/25/21

I desperately need assistance with my math homework very quickly please!
1.) Identify the intercepts of f(x) and g(x).A.) f(x) x-intercepts: −5 and 5f(x) y-intercept: −25g(x) x-intercepts: −5 and 5g(x) y-intercept: −5B.) f(x) x-intercepts: −5 and 5f(x) y-intercept:... more
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Linear Algebra Math Algebra 1 Algebra 2

03/25/21

I am new to wyzant and I have not received any help with my algebra homework please help me as soon as possible please
1.) Identify the intercepts of f(x) and g(x).A.) f(x) x-intercepts: −5 and 5f(x) y-intercept: −25g(x) x-intercepts: −5 and 5g(x) y-intercept: −5B.) f(x) x-intercepts: −5 and 5f(x) y-intercept:... more
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Linear Algebra Algebra Linear Equations

03/24/21

Find the equation of the line that passes through the points (1,1) and (3,5)
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Linear Algebra Algebra

03/24/21

How would you go about simplifying this matrix multiplication into its simplest form?
How would you simplify this matrix multiplication ? (A(AB)T (ABC)-T ) T C
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Linear Algebra

03/23/21

Let B be the 2x2 matrix [6 -5 2 -1]. If 2x1 vector v = [2 1]. Find the formula for (A^n)(v) in terms of n.
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Linear Algebra

03/23/21

An experiment calls for a 5% salt solution. Only a 3% salt solution and an 8% salt solution are available. How many gallons of each must be combined to obtain 30 gallons of a 5% salt solution?
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Linear Algebra Algebra Linear Equations

03/23/21

write the equation of the line with a slope of -2/3 containing the point (6, -6)?
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