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1,975 Answered Questions for the topic linear algebra

Linear Algebra

10/11/22

Find f(f(x)) if f ( x ) =9x-8 and fully simplify.

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Linear Algebra

10/09/22

solve the system of linear equation by graphing

{y=1/2 x -3y=2x+1

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Linear Algebra Math Calculus Mathematica

10/06/22

transition matrix

B = {2 - 9x, 1 - 4x}C = {3x - 2, 3x - 3}for the vector space P2E = {1, x}Find the transition matrix from C to B= ???

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Linear Algebra Electrical Engineering Mechanical Engineering

10/06/22

Using least squares data fitting on a spiral inductor, long process with little knowledge on how to even tackle a problem like this

Approximate inductance formula. A planar spiral inductor, implemented in CMOS, for use in RF circuits.The inductor is characterized by four key parameters:• 𝑛, the number of turns (which is a... more

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Linear Algebra

10/04/22

Mary, the owner of Vitallo's Pizza Parlor, had start-up costs of $5700. The ingredients foreach pizza cost $4.75, and she sells each pizza for $8. She has no other expenses. Expressthe cost C as a... more

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Linear Algebra

10/04/22

solve the matrix equation for x

solve the matrix equation for xx[ -1 0 1 1 1 0 3 1 -1 ]=[1 3 0-7 1 10]

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Linear Algebra

10/04/22

heeeeeeeeeeeeeeeey

given that 5x+1/3 and 5x-4/2 are two consecutive numbers in ascending order. find the product of the two numbers.

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Linear Algebra

10/04/22

pls help within 24 hrs

sarah ran 18 km at x km/h while fiona cycled at four times sarah's running speed for 75 km. if fiona took 6 minutes more to complete her training find value of x.

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Linear Algebra

10/03/22

linear algebra 231

A= [ 2 5 4 8 ]find p(A) p(A)= x3-2x+4

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Linear Algebra

10/03/22

LINEAR algebra 231

Assuming all matrices are nxn and invertible solve for D BCAT DCBT A= BCT

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Linear Algebra

10/03/22

Verify the identities (assume all indicated operations are defined)

a) (A^−1+B^−1)^−1=A(A+B)^−1Bb) (A+BB^T)^−1B =A^−1B(I +B^TA^−1B)^−1

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Linear Algebra

10/02/22

hellooooo help !!

multiply a number by 3 and subtract 40 from it. this yields the same outcome as the sum of 1/2 of the number and 100. find the number.idk how to do the last part it's confusing me

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Linear Algebra

10/02/22

slope intercept form

find the equation of the line parallel to y=3x-2 that passes through points (4,8) in slope intercept form

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Linear Algebra

09/30/22

Granola costs $2.50 per pound. Assorted nuts cost $5 per pound. How many pounds of granola and nuts are needed to make 7 pounds of trail mix that costs $4 per pound?

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Linear Algebra

09/30/22

heeeeey help lol

greg was 50 yrs old when his son turned 12.in how many yrs time would he be thrice as old as his son?thanks :)

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Linear Algebra

09/30/22

help? yaya thanks

tina has 2000 pencils. lara has (600+3x) pencils. if tina gives (250+2x) pencils to lara, lara would have thrice as many pencils as tina.find the value of x.

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Linear Algebra

09/30/22

hi help thanks :D

a ferry travels at x km/h. a boat travels at 8 km/h slower than the ferry.the ferry and boat leave from the same harbour but travel in opposite directions.after 2 hrs, they are 200 km apart. find... more

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Linear Algebra

09/29/22