1,384 Answered Questions for the topic Linear Equations

#### Arizona taxes problem.

The following is from the actual Arizona state tax table for 2020 taxes.A single person whose taxable income is between $0-$27,272 is charged 2.59% in tax.A single person whose taxable income is...
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#### Piecewise linear functions

Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his...
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18d

#### Linear Differential Equations

Find the particular antiderivative that satisfies the following conditions:dx/dt=4e(^t)−2; x(0)=7.I know dx/dt of 4e^(t)-2 is 4e^(t)-2t, but I do not know what to do with the x(0)=7.

Linear Equations Math

21d

#### (3x + 5)/5 – (5x -7)/6 = (x-2)/3

Solve the equation and Focus on the signs also.....................

08/23/21

#### Using Cramer’s Rule, find the solution to the following system of linear equations. 2x+3y=1, −x+y=−3

Equations 2x+3y=1-x+y=-3

Linear Equations Linear Algebra

08/20/21

#### Linear equations word problem

A community center offers a 1-day craft show where people can rent booths to sell their hand-made goods.the community center charges $85 and an additional $15 per booth a person rents.(a) create an...
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#### Solving Linear Equations

While solving linear equations with two variables we can use simple method to calculate both the variables.let us see an example of two equations and the method of calculation.

Linear Equations Algebra

07/21/21

#### Solve the system of linear equations by eliminating a variable

solve the system of linear equations by eliminating a variablex-y=-73x+y=-5what ordered pair represents the solution to the system of equations?

Linear Equations Linear Algebra

07/18/21

#### how to write this in point-slope intercept form? Slope=-2 and point=(1,-1)

Linear Equations Standard Form

07/18/21

#### How do write y−4=−7(x+1) in standard form?

Linear Equations Average

07/15/21

#### Going into the final exam, which will count as two tests, Brooke has test scores of 75,86,74,65 and 96. What score does Brooke need on the final in order to have an average score of 80?

07/14/21

#### Find all x for this equation 2cosx-3=-5, 0<_x<_2π

The range is 0 is less than equal x and x is less than equal 2π.Solve this according to the rules of unit circle.

Linear Equations Rational Equations

07/06/21

#### Finding Dimensions

Find the dimensions of a plot of land given the following parameters:The perimeter is 300ft, and the length is 50 ft more than the width.

Linear Equations

07/06/21

#### Finding Dimensions

Find the dimensions of a plot of land given the following parameters:The perimeter is 300 ft and the length is 50 ft more than the width,

Linear Equations Coordinate Geometry

07/04/21

#### how do you write an equation with just a graph?

so how do we form an equation when the coordinates are given? pls help fast and put the procedure as well. along with an explanation too. thank you and pls hurryPlot the following points on a graph...
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Linear Equations Linear Algebra

07/03/21

#### Linear function and application.

A non government organization launched a program which aimed to maximize the use of recyclable materials and reduce plastic waste in that environment. Your village was chosen to be a participant of...
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Linear Equations Linear Algebra

07/03/21

#### Linear inequality

Suppose you are shopping for notebooks and pad papers for a fund drive. Notebook (x) costs 15 and paper (y) costs 12. You have at most 1500 to spend.1. Write a linear inequality in two variables...
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Linear Equations

06/25/21

#### Given the equation y = -5x - (-1.5). When x is -2.5, what value of y makes the equation true? *

Linear Equations

06/22/21

#### Translate the sentence into an equation

Nine more than the quotient of a number and 7 is 2

06/20/21

#### Vectors, Linear Map; Injective and surjective

Let vector, v = - j + k in R3f : R3 ---> R3f(u) = v x u + 2u for u in R3 (u, v, j, k are vectors)How can we determine if f is surjective or not? How can we determine if f is...
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06/18/21

#### help me with my TEST: LINEAR EQUATIONS & LINEAR SYSTEMS

Mario sells electronics at Big Box Electronics Store. He is paid a salary of $200 a week plus 8% commission on his sales.a) Write an equation for the line, in slope/y-intercept form, representing...
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06/17/21

#### How to determine if a function is simple in linear algebra?

V = { (x, y, z) in R3 : x + y - z = 0 } and f : R3 ---> R3V = Ker(f) and 1 is an eigenvalue of f .How can I determine if f is simple or not ? And also...
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