1,395 Answered Questions for the topic Linear Equations

True or False Linear Systems

Determine which of the following statements are true and which are false. (a) The equation 4x − sin(1)y + 2z = 3√5 is linear.(b) The equation xy + 4z = 4 is linear. (c) If a system of linear... more
Linear Equations Linear Algebra Linear Systems

02/24/20

Systems of Linear Equations Questions

Find all solutions to the following systems of linear equations: (a) x + y = −5 2x − 4y = −4 (b) x + y − z = 1 x + 2y + 2z = 1 2x + y − 5z = 2
Linear Equations Linear Algebra Linear Systems

02/24/20

Linear Systems Equation Solutions Questions

Determine how many solutions each of the following linear systems have:(a) 6x + 8y = 5 −2x + 9y = −6 (b) 5x + 2y + z = 4 −x + 8y + z = −2 (c) 2x − 3y = −1 3x + y = −4 x − 7y = 2 (d) x + 3y + 3z = 3... more
Linear Equations Algebra 2

02/24/20

Draw a graph with the equation y=0.30x+27.75

Linear Equations Algebra 1 Equations Elimination

02/15/20

Algebra Choir Ratio Problem.

The ratio of females to males in the choir is 7 to 4. If twelve males and three females are absent from a particular practice, the ratio of females and males is five to two. How many members of the... more
Linear Equations Algebra 2 Formulas Transposing

02/13/20

Basketball Formulas

The formula T = 3x + 2y + f can be used to calculate the total number of points made in a basketball game where: x = number of three-point goals y = number of two-point goals f = number of free... more
Linear Equations Linear Algebra

02/12/20

Analyse the case below in regard with the linear programming technique

A good example of how to use operations research analysis is to consider the plight of farmer Jones. He must decide how many acres of corn and wheat to plant this year. One acre of corn... more
Linear Equations Linear Algebra

02/12/20

How do i solve this question? what equation am i using

The demand curve for a product is p=60 - 0.0005q where p is the price per unit and q is the quantity demanded. How many units must be sold to achieve sales of 1200000?
Linear Equations Linear Algebra Chance

02/12/20

Calculating damage output in a video game

I have a character in a video game with 2 different sets of items. A normal attack does 800 damage, a critical attack does 1,5 times that, so 1200. The character has a certain attack speed, and a... more
Linear Equations Prealgebra

02/12/20

Systems of Two Linear Equations: Help plugging in plots.

So currently I'm learning about Systems of Two Linear Equations. I have to write an equation (y = mx + b) and use the points (24, 16). What would I input in the equation?
Linear Equations Linear Algebra

02/11/20

solve for me pls

Two factory plants are making TV panels. Yesterday, Plant A produced 5000 fewer panels than Plant B did. Two percent of the panels from Plant A and 5%of the panels from Plant B were defective. How... more

02/08/20

Family of lines equation, need help

I'm super confused with this question: a family of lines have equations of the form 3x+by=12, where b is a non-zero number.Find the equation of the line perpendicular to 3x+by=12 at the point... more
Linear Equations

02/06/20

J is 24 less than22

Linear Equations

01/25/20

Solving a word problem involving a sum and another basic relationship using a system of linear equations

The sum of two numbers is 53. The larger number is 15 more than the smaller number. What are the numbers?
Linear Equations Algebra 2

01/22/20

a vertical line that passes through the point (2,-1)

Linear Equations Algebra

01/20/20

Solve the formula for the specified variable.

I need help in solving this. V=1/3πr2h; h the 1/3 is a fraction.
Linear Equations Linear Algebra

01/16/20

if 2w -1 =2 what is the value of w(expontent2) -1

Linear Equations Algebra 1

01/14/20

Linear Equations

Can someone please help me solve this problem! "Sally has a part time job mowing lawns so she can save money for a new car. She charges $5 per hour. Write an equation to model this situation."... more
Linear Equations Linear Algebra

01/08/20

Intersection of 5x+2y=43 and -6x+3y=-30

Linear Equations Math Linear Algebra

01/02/20

For each problem, set up an equation and solve it using the balance method.

For each problem, set up an equation and solve it using the balance method. a) the perimeter of a rectangular car park is 88 m. If the length is 12m more than the width, what are the dimensions of... more
Linear Equations Math Algebra 2 Linear Algebra

12/19/19

Is this a linear or quadratic function?

y = (x+1)(6x-6)-6x^2 Linear or quadratic? What's the linear term? Constant term?
Linear Equations Algebra Word Problems

12/05/19

linear equation word problem

A store is having a sale on almonds and jelly beans. For 6 pounds of almonds and 2 pounds of jelly beans, the total cost is $24For 3 pounds of almonds and 5 pounds of jelly beans, the total cost... more
Linear Equations Math Algebra 1 Algebra 2

12/05/19

Can someone help me solve this linear programming problem?

A calculator company produces a scientific calculator and a graphing calculator. There is an expected demand of at least 60 scientific and 80 graphing calculators each day. Because of limitations... more

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