494 Answered Questions for the topic Finite Mathematics

Finite Mathematics Sets

02/01/15

How many different product codes contain exactly one Y?
Assume that product codes are formed from the letters X, Y, S, W, R, and U, and consist of 5 not necessarily distinct letters arranged one after the other. For example, XXRRY is a product code.
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Finite Mathematics

02/01/15

finite math
Find the simple interest on a $400 investment made for 5 years at an interest rate of 7%/year. What is the accumulated amount?
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Finite Mathematics

01/30/15

You’re pulling out three balls from a box. For this problem, assume the balls in the box are numbered 1 through 7, and that an experiment consists of randomly s
You’re pulling out three balls from a box. For this problem, assume the balls in the box are numbered 1 through 7, and that an experiment consists of randomly selecting 3 balls one after another... more
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Finite Mathematics

01/30/15

Assume that you have a committee of 14 members, made up of 7 men and 7 women.
the rest of my question: In how many ways can the 3 tasks be assigned so that both men and women are given assignments?
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Finite Mathematics

01/30/15

Assume that the set S has 13 elements. How many subsets of S have at most 4 elements?
I cant figure out how to solve this problem with the information provided.
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Finite Mathematics

01/26/15

at a survery it was found that.. how many people were surveyed
12 listen to rock, 11 listen to classic, 14 listen to jazz. 8 listen to rock and jazz, 9 listen to jazz and classic, 5 listen to rock and classic, 8 listen to none of these, and 3 listen to all... more
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Finite Mathematics

01/26/15

a universal set with n(U)=90
A universal set with n(U)=90 is partitioned into three subsets A,B,C. If n(A)= 3N(B) and n(C)=5n(B), find n(C). 
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Finite Mathematics

01/23/15

maximize P=3x+2y subject to x+y<8, 2x+y<9, x>0 y>0
< and > are greater than or equal to 
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Finite Mathematics

01/20/15

Assume that n (U)=115 , n (B')=54 , n (AnB')=27 , and n (AnB)=24 .
I cannot solve this problem
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Finite Mathematics

01/11/15

True or False
True or False   If A and B are matrices such that AB and BA are both defined, then A and B must be square matrices.     If you think the statement is true, then show that it is true. On the... more
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Finite Mathematics

01/11/15

True or False
True or False        Suppose the straight lines represented by a system of two linear equations in two variables are parallel to each other. Then the system has infinitely many solutions.   If... more
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Finite Mathematics

01/11/15

true or false
 A system comprising two linear equations in two variables has a unique solution if and only if the straight lines represented by the equations are nonparallel.  True or False   If you think the... more
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Finite Mathematics

01/09/15

Finite Math
Find an equation of the line that has a slope m= -1/8 and y-intercept b= 3/5
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Finite Mathematics

01/09/15

Please help
If the line passing through the points (a,2) and (6,7) is parallel to the passing through the points (4,8) and (a+3,2) what is the value of a?
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Finite Mathematics

01/09/15

Find the slope
Find the slope of the line that passes through the pair of points.   (-a+1, b-1) and (a+1, -b)
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Finite Mathematics

01/08/15

find the constants
Find the constants m and b in the linear function f(x) = mx + b so that f(1) = 2 and the straight line represented by f has slope - 1.
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Finite Mathematics

01/08/15

what is the answer?
If the line passing through the points (2, a) and (5, - 3) is parallel to the line passing through the points (4, 8) and (- 5, a + 1) , what is the value of a?
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Finite Mathematics

01/08/15

Which is the correct answer?
Determine whether the lines through the given pairs of points are parallel. A (2, - 3), B (- 2, - 11) and C (1, 2), D (- 1, 6)   A.The lines through the given pairs of points are not parallel.... more
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Finite Mathematics

01/06/15

Is this true or false?
Suppose an asset is being depreciated linearly. Then the rate of depreciation of the asset is given by the negative of the slope of the depreciation line.  If you think the statement is true, then... more
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Finite Mathematics

01/06/15

Is this statement true or false?
Suppose the slope of a straight line L is -3/4 and P is a given point on L. If Q is a point on L lying 2 units to the right of P, then Q is situated 3/2 units below P.  If you think the statement... more
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Finite Mathematics

11/30/14

Maximizing hourly income
A sewing machine operator may sew coats or trousers. The trousers require 3 minutes of sewing time, and the operator receives $0.65 each. A coat requires 8 minutes of sewing time, and the operator... more
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Finite Mathematics

11/17/14

Compounded annually
The parents of a baby want to provide for the child's college education. How much should be deposited on each of the child's first 17 birthdays to be able to withdraw $10,000 on each of the next... more
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Finite Mathematics

11/11/14

Pizza Question
Pizza House offers 5 different salads, 7 different kinds of pizza, and 4 different desserts. How many three course meals can be ordered?
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Finite Mathematics

11/11/14

If a store has 500 boxes of cereal, how many of them will weigh more than 23 ounces?
The weights of boxes of Brand Z cereal were found to be normally distributed with a mean of 22.0 ounces and a standard deviation of 0.6 ounces. If a store has 500 boxes of cereal, how many of them... more
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Finite Mathematics Math Word Problem Word Problems

11/09/14

Glen and Connie are ticket-sellers at their class play
Glen and Connie are ticket-sellers at their class play, Glen handling student tickets that sell for $9.80 each and Connie selling adult tickets for $14.90 each. If their total income for 114... more
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