4) Write a system of equations that models the following problem. You need not solve the problem. In mixing a weed-killing chemical, a 40% solution of the chemical is mixed with an 85% solution to get 20L of a 60% solution. How much of each solution is needed?

Q: What does a system of two linear equation in two variables represent? Explain graphically all the…

A:

Q: What is a system of linear equations in three variables?

A: A system of linear equations with three unknown variables is called a system of linear equations in…

Q: Give a general description of how to use the elimination by-addition method to solve a system of two…

A: We divide/ multiply our equation to get matching term, and by matching, we mean that when those two…

Q: A hospital needs 80 liters of a 12% solution of disinfectant. This solution is to be prepared from a…

A: 0.33x+0.05(80-x)=.12*800.33x+4-.05x=9.60.33x-.05x=9.6-40.28x=5.6x=5.6/0.28

Q: Solve the problem by writing and solving a suitable system of equations. 1) If 50 pounds of tomatoes…

A:

Q: what would the solution of the system of equations and what would the interpret solution appears to…

A:

Q: Formulate a system of equations for the situation below and solve.Michael Perez deposited a total of…

A: Let the amount deposited in Institution A is x. And the amount deposited in Institution B will be y.…

Q: A system of equations represents two different repair companles' charges: • Fast Computer Repair: y…

A:

Q: When graphing a system of equations with one solution, the alopes of the two lines will be______.…

A: Given that the system of equations has only one solution.  This means the lines will intersect at…

Q: (a) Find the general solution of the given system of equations. )= :). 5 -9 x': 2 -4

A: Introduction: The system of differential equation is represented as x'=Ax This system is homogeneous…

Q: A professor wants to create a test that has 15 true-false questions, 10 multiple-choice questions,…

A:

Q: Carlos and Aliyah are selling cookie dough for a school fundraiser. Customers can buy packages of…

A: This question is related to system of linear equations, we will solve it using given information.

Q: . For a system of two linear equations in two variables,(a) How many solutions are possible?(b) What…

A: (a).                          Three possible solutions to a linear system in two variables :…

Q: The sum of 2 numbers is 64, and their difference is 14. What system of equations would model this…

A: It is given that sum of two numbers is 64 and difference is 14.

Q: 2) Find the General Solution of the System of Equations. [1 -1 4 X' =| 3 2 -1 X 1 -1 2.

A: The given system of equations is  X '(t)=1-1432-121-1X(t) , or, X '(t)=A·X(t), where A=1-1432-121-1…

Q: A small corporation borrowed $500,000 to expand its product line. Some of the money was borrowed at…

A: A small corporation borrowed $500,000 to expand its product line. Some of the money was borrowed at…

Q: Why do systems of equations sometimes have no solution?

A: We have to use properties of system of linear equations to to find out solution

Q: Formulate a system of equations for the situation below and solve.Cantwell Associates, a real estate…

A: Cantwell Associates, a real estate developer, is planning to build a new apartment complex…

Q: What is the difference between a system of linear equations and a system of nonlinear equations?

A: To find: -

Q: Minnesota Shipping Services is planning to spend $14880000 on new vehicles for its fleet. They are…

A: To solve part (d) we will take help from part (b)

Q: If an investor invests a total of $45,000 into two bonds, one that pays 5% simple interest, and the…

A: If an investor invests a total of $45,000 into two bonds, one that pays 5% simple interest, and the…

Q: Formulate a system of equations for the situation below and solve. Cantwell Associates, a real…

A: Let x, y and z be the number of one-bedroom units, two-bedroom townhouses and three-bedroom…

Q: What is a system of equations?

A: The system of equations is a set of equations.

Q: How do you decide whether to solve a system of linear equations in two variables by using the…

A:

Q: What is the solution to the system of equations graphed below?

A: Solution to equation.

Q: Is it possible for a system of two linear equations in two variables to have exactly two solutions?…

A: Is it possible for a system of two linear equations in two variables to have exactly two solutions?

Q: 6. If the solution to a linear system of equations is x=6 and y= 2 and you graphed the two…

A:

Q: Formulate a system of equations for the situation below and solve. Cantwell Associates, a real…

A: let one bed is represented by x, two by y, and three by z then Here x+y+z=168y+z=xx=3zNow converting…

Q: Explain the procedure presented in this section to solve a system of linear equations in three…

A:

Q: Formulate a system of equations for the situation below and solve. Cantwell Associates, a real…

A: Here we solve linear equations in three variable

Q: A system of linear equations can't have exactly two solutions. Why?(a) If (x, y, z) and (X, Y, Z)…

A: (a) Suppose we have a linear system of three equations and three unknowns: Rewrite into matrix form…

Q: Profits, P, are equal to sales, S, minus expenses, E. If expenses are equal to travel, T, plus…

A:

Q: (a) Find the general solution of the given system of equations. 7 -2 x' = 20 -6 x(t) = c1 ? +c2 ? ?

A: As per bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: What is most likely the number of solutions for this system of equations? 4 3 O O O O

A: The objective is to find the number of solutions for the given system of equations.

Q: Given the system of equations

A: Given, the system of equations                            4a-2b+11c+3d=206a+3b-2c+15d=25…

Q: Miquel and Javier went to an arcade where the machines took tokens. Miguel played 9 games of ping…

A: let ping pong  requires ‘x’ tokens & pinball requires ‘y’ tokens.

Q: 2) Graph the system of linear equations on your calculator and select the correct solution. 6x + 4…

A: Topic = Linear equation

Q: To solve a system of equations using the addition method, one of the variables must have the same or…

A: Answer -  True.

Q: If you attempt to solve a system of linear equations algebraically and both variables cancel out,…

A:

Q: True or false? A system of linear equations in three variables may have exactly one solution.

A: Equation in three variables represents a plane.So the three planes may intersect at only one…

Q: How do I solve a system of linear equations in two variables using substitution?

A: A system of linear equations in two variables is of the form             ax+by=mcx+dy=n

Q: Sharida and Jayden are buying candles for their wedding. While at a hobby shop, they can purchase…

A: We will find the required.

Q: How many solutions does the system of equations below have?

A: The standard equation of straight line is y = mx + c where m is the slope and c is the y intercept…

Q: Formulate a system of equations for the situation below and solve. Michael Perez deposited a total…

A: Let Amount Deposited in Bank A is x and Amount Deposited in Bank B is y.

Q: How do you determine whether a given ordered triple is a solution of a system of linear equations in…

A: An ordered triple of real numbers that satisfies all equations in the system is known as solution of…

Q: Can a system of two linear equations have exactly two solutions? Why or why not? Yes, straight lines…

A: A straight line is the line with a single slope and no bends. The straight line does not change its…