893 Answered Questions for the topic discrete math

Discrete Math Combinatorics

03/04/15

In how many ways can 10 identical laptops be distributed among five electronic stores if...?
In how many ways can 10 identical laptops be distributed among five electronic stores if (a) there are no restrictions? (b) each store gets at least one? (c) the largest store gets at least three?... more
Follows • 1
Expert Answers •1
Discrete Math

02/16/15

Discrete Math
A classroom has 12 students. The teacher would like to pick a group of 4 students to present on atopic. How many different combinations of 4 students could the teacher choose from?
Follows • 3
Expert Answers •2
Discrete Math

02/16/15

Discrete Math
There are 100 students majoring in engineering. There are three math classes offered to theengineering student's this semester: Calculus, Discrete Math, and Statistics. 28 students take theCalculus... more
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

02/06/15

help please
Suppose you are to prove the statement "The difference of any two odd integers is even." Re-write this statement as a universal conditional statement. What should the first sentence of a direct... more
Follows • 2
Expert Answers •1
Discrete Math Calculus

01/22/15

discrete calc problem with spheres
A sphere is growing at a rate proportional to the radius. At t=0 the radius is 8in and at t=30 the radius is 12in. What is the radius at t=15?   I'm stumped on this one. I've worked with taking... more
Follows • 2
Expert Answers •1
Discrete Math

01/22/15

How long would It take you to pay off a loan of 24,035$ if you pay 475$ per month
Suppose you can afford $476 per month starting on march 1,2012. You save this much a month until January 1, 2013. Now, suppose you continue to pay $475 per month. how long would it take you to pay... more
Follows • 1
Expert Answers •1
Discrete Math

11/12/14

how many ways are there to distribute seven different books among 10 people if no person is to receive more than one book?
Subject of Combinations and Permutations
Follows • 3
Expert Answers •2
Discrete Math Math Computer Science

11/09/14

Find the smallest number k such that s(n) = O(n^k). (Big Oh)
Find the smallest number k such that s(n) = O(n^k). (Big Oh)   s(n) = sqrt(n^2-1)
Follows • 1
Expert Answers •1
Discrete Math

11/09/14

Modular exponentiation and Fermat's little theory
  Calculate 314^163 mod 7 by using:   a) Modular exponentiation b) Fermat's little theory
Follows • 1
Expert Answers •1
Discrete Math

10/27/14

Please indicate whether each variable is a discrete or continuous variable?
Please indicate whether each variable is a discrete or continuous variable?   Variable 1. The time it takes to shower in the morning.    Variable 2. The number of trees in park... more
Follows • 2
Expert Answers •1
Discrete Math

09/28/14

Discrete "Working Backwards" math problem
The family (Mama, Papa, and the three kids, Ed, Lisa, and Judy) were about to go on a camping vacation. They decided to take their five dogs with them, and they needed to know how many cans of dog... more
Follows • 2
Expert Answers •1

05/22/14

A={ -4 ,-3 ,-2 ,-1 ,0 ,1 ,2 ,3 ,4} R is defined on A as follows: For All (m,n) ?A,m R n ? 5 | (m^2- n^2 )
A={ -4 ,-3 ,-2 ,-1 ,0 ,1 ,2 ,3 ,4} R is defined on A as follows: For All (m,n) ∈A,m R n ⇔ 5 | (m^2- n^2 )
Follows • 1
Expert Answers •1
Discrete Math

05/15/14

among the elements 0, 1, 2, 3...,13, 14 of Z(mod 15) please state all x for which x-1 fails to exist
among the elements 0, 1, 2, 3...,13, 14 of Z(mod 15) please state all x for which x^1 fails to exist
Follows • 2
Expert Answers •1
Discrete Math

04/22/14

truth table for the compound proposition
¬p ∨ (r → ¬q)  
Follows • 1
Expert Answers •1
Discrete Math

04/16/14

express this statement using quantifiers
express this statement using quantifiers (there is a building on the campus of some college in the united states in which every room is painted whit
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

03/19/14

Caesar cipher
. Using a Caesar cipher decrypt the following message and determine the key used. (Hint: KU is repeated , Alphabet wraps around)VJKU SWKB KU QXGT
Follows • 2
Expert Answers •2
Discrete Math

03/18/14

Let A = { 4 , 5 , 6 , 7 , 8} and B = { 2 , 6 , 8}. Draw the arrow diagrams for P and Q such that the relationship follows : (x,y)?P means that x= y
Let A = { 4 , 5 ,  6 , 7 , 8}  and B = { 2 , 6 , 8}. Draw the arrow diagrams for P and Q such that the relationship follows : (x,y)∈P   means that    x≤ y 
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

03/17/14

Which relationships are true?
Which relationships are true? Hint: the List of symbols from your assigned reading will help. a) Q ⊆ Z b) Q ∪ Z = Q c) Z^+ U Q =Z
Follows • 2
Expert Answers •2
Discrete Math Discrete Mathematics

03/17/14

im so lost
Is 2a(5a-30) divisible by 10?
Follows • 5
Expert Answers •5
Discrete Math Discrete Mathematics

03/17/14

mathematical notation question
Write the following is mathematical notation (Hint: ∀ ∃ ) a) All students attend classesb) Some people are criminal
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

03/16/14

Caesar cipher
Using a Caesar cipher decrypt the following message and determine the key used. (Hint: Only O or E can be doubled together, Alphabet wraps around)LXX MABL UHHD BL WHGXHint: Find the common letters.
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

03/16/14

8-bit representation question
Using 8-bit representation compute the following sumsa) 111 + 45b) 67 + 67
Follows • 3
Expert Answers •5
Discrete Math Discrete Mathematics

03/16/14

elements in a set???
How many elements are in the set { 3 ,4 ,3 ,5 ,2 ,8 ,4 ,5 ,8 ,9} ?
Follows • 2
Expert Answers •1
Discrete Math Discrete Mathematics

03/16/14

verify the following statements
Verify the following statements a) 100 ≡ 5 (mod 5) b) 112 ≡ 4 (mod 7) c) 80≡ 8 (mod 2)   im so lost
Follows • 1
Expert Answers •1
Discrete Math Discrete Mathematics

03/16/14

Is 3e(2e+3) divisible by 7????
Is 3e(2e+3) divisible by 7?   i know its simple but im horrible at math
Follows • 3
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.