1,388 Answered Questions for the topic Linear Equations

Linear Equations Algebra 1 Linear Algebra

03/28/20

#### Linear Equation Help

Margaret purchased a new bar of soap. Three days after she originally used the soap, she was curious how much soap per day she was using. She decided to weigh her soap and found that the bar was... more
Linear Equations Math Algebra 1 Algebra 2

03/28/20

#### i’m not so sure if i can do this problem.

George’s car has a 20 gallon gas tank. travel 22 miles per gallon. If M is the number of miles driven since the last fill up, he can use this formula to find out how much gas is left in the gas... more
Linear Equations Math Algebra 1 Algebra 2

03/28/20

#### Kathy has a more cycle with a 4 gallon gas tank. On average, she can travel 60 miles per gallon.

if M yes the number of miles driven since the last fill up, what formula can she use to find out how much gas is in left in the gas tank. how did you decide how to use or not use the value for in... more
Linear Equations Math Algebra 1 Algebra 2

03/28/20

#### Susan has a piggy bank into which she puts only nickels. The amount of money in dollars D in the bank is given by D = n/20, where n is the number of nickels in the piggy bank.

if Susan has 80 nickels in her piggy bank how many dollars does she have.if Susan has 94 Nichols in her piggy bank, how many dollars does she have. Based on your answers to parts A & B explain... more
Linear Equations Math Algebra 1 Algebra 2

03/27/20

#### The car is stopped at a red light. When the light turns green, the car begins moving forward. The distance in feet of the car from the light after t seconds is given by the equation D = 4t ^ 2

how far is the car from the light after 5 seconds. how far is the car from the light after 10 seconds.how far is the car from the light at t = 0 seconds explain.
Linear Equations

03/27/20

#### If y = 1/2x + b, what is the y intercept?

I need help on my homework.
Linear Equations Math

03/27/20

#### the graph of a function is a line that passes through the points (1,5) (3,11) and (7,y). what is the value of y?

i need help with this pleaseee
Linear Equations Algebra 2

03/14/20

#### how to find the equation of a line through the point (1,3) if slope is undefined

Linear Equations Algebra 1 Functions

03/09/20

#### Linear equation help

Ana decides to start a tutoring company. She finds a place to rent for $400 dollars each month. Her tutoring costs$25 dollars per hour. Write a linear equation to model the problem. What are the... more
Linear Equations

03/08/20

#### Linear equation with fraction and solve x and y

y= -6/5x -7 solve for y if x =2Solve for x if y= 3 please show the steps
Linear Equations Algebra 1

03/06/20

#### What is " y = ⅗x + 4" in standard form using integers?

-3x - 5y = 20-3x + 5y = 45x - 3y = 20-3x + 5y = 20
Linear Equations Algebra 2

03/04/20

#### Determine X and Y

The sum of two number is 20, the first number is one less than two times the second number. Solve for each number
Linear Equations Algebra 2

03/04/20

#### (-1,3); slope= -3

Linear Equations Math

03/04/20

#### Linear Systems Question

Let t ∈ R and consider the linear system described by the following augment matrix: A = [ 1 -1 | 0 ] [ 1 1 | 1 ] [ 0 1 | t ] For which values t does this system have:(i) no solutions(ii)... more
Linear Equations Word Problem

02/25/20

#### jenny bought 8 apples and 6 oranges for $9.60. steve bought 7 apples and 3 oranges for$6.60 find the cost of each

this is a linear equation and i need help
Linear Equations Math Maths

02/24/20

#### linear equation

In 1990, the cost of tuition at a large Midwestern university was $93 per credit hour. In 1999, tuition had risen to$210 per credit hour.Determine a linear equation  to represent the cost of... more

#### 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

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

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