437 Answered Questions for the topic Finite Math

Finite Math

08/14/20

A department store's annual sales (in millions of dollars) during the past 5 years were as follows. Annual Sales, y 5.8 6.2 7.2 8.4 9 Year, x 1 2 3 4 5

A department store's annual sales (in millions of dollars) during the past 5 years were as follows. Annual... more
Finite Math

08/14/20

The number of pending corporate fraud cases stood at 545 at the beginning of 2008 (t = 0)  and was 726 at the beginning of 2012. The growth was approximately linear.†

The number of pending corporate fraud cases stood at 545 at the beginning of 2008 (t = 0) and was 726 at the beginning of 2012. The growth was approximately linear.†1) Derive an equation of the... more
Finite Math

08/14/20

If the line passing through the points (a, 1) and (−14, 9) is parallel to the line passing through the points (−8, 8) and (a + 2, 1), what is the value of a?

If the line passing through the points (a, 1) and (−14, 9) is parallel to the line passing through the points (−8, 8) and (a + 2, 1), what is the value of a?
Finite Math

08/14/20

Given the equation 2x+5y=7

Given the equation 2x+5y=7 1) is the slope of the line described by this equation positive or negative?2) as x increase in value, does y increase or decrease?3) if x decrease by 10 units, what is... more
Finite Math

08/13/20

A tree is located 20yd to the east and 10yd to the north of a house.

A tree is located 20yd to the east and 10yd to the north of a house. A second tree is located 10yd to the east and 50yd to the north of the house. The prize of a scavenger hunt is placed exactly... more
Finite Math

08/13/20

Sailing north at a speed of 20mph, ship A leaves a port. A half hour later, ship B leaves the same port, sailing East at speed of 25 mph.

Sailing north at a speed of 20mph, ship A leaves a port. A half hour later, ship B leaves the same port, sailing East at speed of 25 mph. Let t (hours) denote the time B has been at the sea. find... more

08/09/20

Linear Algebra w/ Objective Function & Constraints

Quality Security runs a state prison. Part of their contract requires them to provide each inmate with at least the minimum nutritional requirements. After the inmate’s daily meals, it has been... more

Linear Algebra/Objective Function & Constraints

Consider the problem: “LUX Investments has three different possibilities. The first investment will pay 3% after the first year, the second 3.5%, and the third 6%. LUX has decided to invest... more

Linear Algebra/Objective Function & Constraints

Consider the problem:“Wonder Widgets Co. manufactures three types of widgets: Standard Widget (SW), Gigantic Widget (GW), and Mini-Widget (MW) . Each widget must pass through four work centers. The... more
Finite Math Calculus Precalculus

08/07/20

Transition Matrix/Markov Process

Let P be a 2x2 transition matrix for a markov processrow 1 [.4 .7]row 2 [.6 .3]If the current distribution is given by a 2x1 matrix,row 1[.8]row 2[.2]what will the distribution be after one time... more
Finite Math Calculus Precalculus

08/07/20

Transition Matrix/Markov Process

Let P be a 3x3 transition matrix for a markov process.P = Row 1 [.7 .3 .4], Row 2 [.1 .6 .1] Row 3 [.2 .1 .5]One can show that p4 = a 3x3 matrix with row 1 [.552 .5167 .5439]row 2 [.1875 .25... more

08/06/20

Matrix Operations

Let E = [2, -1, 3, 0], & F = [0, 1, -1, 2]Are E and F inverses of each other? Why?

08/06/20

Performing Matrix Operations

Let A = [0, 1, 2, 3], B = [2, 0 , 1, 1], C = 1, 0, 4, 1, 3, -1], D = [0, 0, 1, -1, 2, 1, 1, 3, 0]For each of the following either state that it is not defined or perform the indicated operation(s).... more

08/06/20

Systems of Equations & Solutions

For each of the following systems of equations, state if the system has a unique solution, an infinite number of solutions, or is inconsistent (no solutions). If the system has a unique solution,... more

08/06/20

Systems of Equations & Solutions

For each of the following systems of equations, state if the system has a unique solution, an infinite number of solutions, or is inconsistent (no solutions). If the system has a unique solution,... more

Solving Systems of Equations with Row Operations

x + 2z = 3 2x + y - 3z = 4 3x - 4y + 5z = -12

Solving Systems of Equations with Row Operations

x + y + z = 3 3x - y - 2z = -4 3x + 4y + 3z = 11
Finite Math Markov Process

08/03/20

Markov Process/Objective Function

Consider the problem: “United World Animal League (UWAL) is trying to save the endangered Madagascar bob-tailed bear. They have two pairs in their mating program and want to provide them with an... more
Finite Math Linear Algebra

08/02/20

Systems of Inequalities

Let Z = 5x + 11y. For the shaded region below where A = (2, 1), B = (10, 1), C = (8, 5), and D = (2, 9). max Z = min Z =

08/02/20

Graphing Systems of Inequalities

1. Shade the region described by the following system of inequalities. List the vertices (corner points) of this region. x + y ≥ 2 x + y ≤ 8 2x + y ≤ 10 x ≥ 0, y ≥ 0
Finite Math

07/28/20

finite math help

The​ U-Drive Rent-A-Truck company plans to spend ​$14 million on 280 new vehicles. Each commercial van will cost ​$55,000​, each small truck ​$20,000​, and each large truck  ​$70,000. Past... more
Finite Math Matrices

07/27/20

Finite Math: Matrices

Let F = [0, 1, 1, 2, 0, 1, 0, 2, 3], and G = [1, 1/2, -1/2, 3, 0, -1, -2, 0, 1]Are F and G inverses of each other? Why?
Finite Math Matrices

07/27/20

Finite Math: Matrices

Let A = [0, -1, 2, 3], B = [2, 1, 4, 0], C = [1, 2 , 3, 0, -2, 1], D = [4, 5, 0, -3, 1, 1], [E = 1, 3, 0, 0, 4, -1, 1, 1, 0]For each of the following, either perform the indicated operation(s) or... more
Finite Math

07/26/20

Systems of Equations

Solve each of the following systems of equations. If the system has a unique solution (one solution), state this and exhibit the solution. If the system is inconsistent (has no solutions) state... more

Systems of Equations/Matrices

Solve each of the following systems of equations. If the system has a unique solution (one solution), state this and exhibit the solution. If the system is inconsistent (has no solutions) state... more

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