2. A customer in a coffee shop purchases a blend of two coffees: Coffee A costs $3.25 a pound, and Coffee B costing $5.50 a pound. He buys 8 pounds of the blend costing $30.50. How much of Coffee A and Coffee B was used in this blend? (Define variables and set up a system of equations)

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A: Given, x-3y=5         .......13x-9y=15         .......2

Q: that there are 66 Professional Mountain Bike Race Teams.  Additionally, the number of non-U.S. teams…

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A: The two equations are: 5x-4y=11 4x+5y=12 Therefore comparing to the general equation of anx+bny=cn…

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A:

Q: this linear system of equations are equal to x-2y+3z=9 -x+3y=-4 2x-5y+5z=17 Select one: а. x+2y+3z=9…

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A: use Cramer rule

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A: Given: 5x-y=6   ...(1) 10x-2y=19   ...(2)

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Q: If a system of linear equations has no solution, then the system is said to be __________.

A: If a system of linear equations has no solution, then the system is said to be inconsistent.

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Q: What is a system of linear equations in the variables x, y, and z?

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Q: In Problem,verify that the values of the variables listed are solutions of the system of equations.

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Q: There is another way of telling whether a system of two linear equations in two unknowns is…

A: 4x+3y=72x-y=10 Here, a1=4,  b1=3,  c1=7,  a2=2,  b2=-1,  c2=10.

Q: There is another way of telling whether a system of two linear equations in two unknowns is…

A: The given system is4x-3y=79x+2y=5

Q: this linear system of equations are equal to x-2y+3z=9 -x+3y=-4 2x-5y+5z=17 tion Select one: a.…

A: Topic- system of equations

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A:

Q: 1 1 y = 10 4 - 1 1 = 19 8. 8. Which ordered pair (x, y) satisfies the system of equations above?

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Q: Which of the following is an example of a nonlinear system of equations?

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Q: If (a, b, c, d) is a solution to a linear system, then the system has four equations. True False

A: Let a=1 , b=1, c=1 and d=-3

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A: The Given Information -   Smoked Cigarettes Cigarette-Free Totals U.S. x y 12,000 Europe z w…

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A: Consider the given equation as 2x-y=5, 4x-2y=t

Q: 1. Solve the system of equations. * y = 5x Зх + у %3D 16 O (3,5) O (2,10) O (8,16) O (10,2)

A: given,        y=5x                       eq.13x+y=16               eq.2

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

A: Given that: System of two linear equations in two variables.

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Q: cell phone company has the following cost, C(x), and revenue, R(x), functions:  C(x) = 8x^2 - 600x…

A:

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Q: Last Sunday, the 10th Avenue rock band sold a total of 40,000 tickets for their concert at a local…

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A: Given:

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Q: The following table shows some data from a study on substance use among 10th graders in the United…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.