484 Answered Questions for the topic Finite Mathematics

Finite Mathematics

10/06/14

Word Problem-5
A dairy company gets milk from two dairies and then blends the milk to get the desired amount of butterfat. Milk from dairy I costs $2.40 per gallon, and milk from dairy II costs $0.80 per gallon.... more
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Finite Mathematics

10/01/14

Equilibrium quantity and equilibrium price
The demand equation for the Bohen Industries Jigrods is 3x+p-1500=0, where x is the quantity of items demanded per week, and p is the unit price in dollars. The supply equation is 2x-3p+1200=0,... more
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Finite Mathematics

10/01/14

leasing of 2 trucks
The Foothill Truck Leasing Company leases 2 sizes of trucks:   $30/day plus $0.15/mile or $25/day plus $0.20/mile ' a) Find the functions describing the daily cost of each truck b) Sketch the... more
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Finite Mathematics

09/30/14

Pr[A]=0.42, Pr[B]=0.49, and Pr[AnB]=0.3, find Pr[A?B]
Solve partition
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Finite Mathematics Finite Finite Math

09/30/14

Angelina and Brad are both running for class president….
Angelina and Brad are both running for class president. Angelina goes down a hallway in the school and puts a sticker on every 28 lockers. Brad goes down the same hallway, putting one of his... more
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Finite Mathematics

09/29/14

Echelon method
Solve the following system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist.   6x+y=48 41x+7y+329
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Finite Mathematics

09/29/14

Augmented matrix
Write an augmented matrix for the following systems of equations.   9x-5y+5z=-6 x-6y+3z=2 9y-8z=-5
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Finite Mathematics

09/29/14

Matrices--#15
A's Shoes and B's Shoes Footwear both have outlets in City 1 and City 2. A's sells shoes for $70, sandals for $60, and boots for $140. B's prices are $50, $50, and $170 for shoes, sandals and... more
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Finite Mathematics

09/29/14

Matrices--#6
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.   A is 4X3, and B is 2X4.   Find the size of the product BA
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Finite Mathematics

09/29/14

Matrices--#5
The size of two matrices A and B are given. Find the sizes of the Product AB and the product BA, whenever these products exist. A is 5X3, and b is 3X1. Find the size of the product AB.
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Finite Mathematics

09/23/14

Word Problem
A person has $30,000 invested in stock A and stock B. Stock A currently sells for $40 a share and stock B sells for $90 a share. If stock B triples in value and Stock A goes up 50%, his stock will... more
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Finite Mathematics

09/21/14

Word Problem
You want to go shopping and you have $260 to spend. You go to the mall and find a store that sells jeans for $25, shirts for $50, and shoes for $20. How many jeans, shirts, and shoes can you get if... more
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Finite Mathematics

09/21/14

Least square problem
A student wonders if tall women tend to date taller men than do short women. She measures herself, her dormitory roommate, and the women in the adjoining room; then she measures the next man each... more
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Finite Mathematics

09/16/14

Word Problem
A person as $30,000 invested in stock A and stock B. Stock A currently sells for $40 a share and stock B sells for $90 a share. If stock B triples in value and stock A goes up 50% his stock will be... more
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Finite Mathematics

09/16/14

Word problem
If 20 lb of rice and 30 lb of potatoes cost $29.80, and 30 lb of rice and 12 lb of potatoes cost $29.52, how much will 10 lb of rice and 50 lb of potatoes cost?
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Finite Mathematics

09/15/14

Whats the equation? Least square example
A student wonders if tall women tend to date taller men than do short women. She measures herself, her dormitory roommate, and the women in the adjoining room; then she measures the next man each... more
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Finite Mathematics

09/15/14

Word Problem
In 1940, there were 249,767 immigrants admitted to a country. In 2002, the number was 1,014,550.A. Assuming that the change in immigration is linear, write an equation expressing the number of... more
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Finite Mathematics

09/15/14

C(Fix) linear function
The manager of a restaurant found that the cost to produce 300 cups of coffee is $30.13, while the cost to produce 500 cups is $49.33. Assume the cost C(x) is a linear function of x, the number of... more
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Finite Mathematics

09/14/14

Formula c(x)
The manager of a restaurant found that the cost to produce 200 cups of coffee is $20.55, while the cost to produce 400 cups is $39.75. Assume the cost C(x) is a linear function of x the number of... more
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Finite Mathematics

09/14/14

questions about f(x)
    4. Let one week's supply and demand functions for gas be given by p=D(q)=288-3/2q and p=S(q), where p is the price in dollars and q is the number of 42-gallon barrels. a. Find the... more
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Finite Mathematics

07/13/14

In 2006, there were 750 students enrolled in an online training program, and in 2010, there were 974 students enrolled in the pro
In 2006, there were 750 students enrolled in an online training program, and in 2010, there were 974 students enrolled in the program. Let y be enrollment in the year x, where x = 0 represents the... more
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Finite Mathematics

07/13/14

According to a recent report, 0.20 is the probability that an American can identify nitrogen as the gas that makes up most of the earth's atmosphere.
According to a recent report, 0.20 is the probability that an American can identify nitrogen as the gas that makes up most of the earth's atmosphere. Six Americans are randomly selected. Find the... more
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Finite Mathematics

07/13/14

For a nine year period, Fiona deposited $600 each quarter into an account paying 5.2% annual interest compounded quarterly
(a) How much money was in the account at the end of 9 years? Show work. (b) How much interest was earned during the 9 year period? Show work. Fiona then made no more deposits or withdrawals,... more
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07/12/14

How much must you invest each month in a mutual fund yielding 13.4% compounded monthly to become a millionaire in 10 years?
Finite Mathematics Problem
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Finite Mathematics

06/06/14

Find the ratio of the three commodities in the closed model
suppose that production of 1 unit of mining require 5/7 unit of mining, 1/7 unit of manufacturing, and 1/7 unit of communication. To produce 1 unit of manufacturing requires 3/7 unit of mining, 2/7... more
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