Newest discrete math Questions | Wyzant Ask An Expert

06/23/25

Applications Variation

The gravitational Force F between an object and the Earth is inversely proportional to the square of the distance from the object to the Center of the Earth if an astronaut weighs 215 lb on the... more

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Discrete Math Math Sat Math Act Math

06/21/25

Applied Math- Cosine law Applied math- Cosine law

Alex, Curtis and Michael go boating together on a calm day. They leave the marina dock and travel at a speed of 40 km/h due east for 3 hours. Then, they travel 22° west of south for 2 hours at a... more

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Answers •6

Discrete Math

06/12/25

Find the sum of floor function values

For positive integers a, b, show that the sum∑m=1[a/2][bm/a] + ∑n=1[b/2][an/b] = [a/2][b/2] + [(a,b)/2].where the bracket denotes the floor function, i.e. [x] is the greatest integer not exceeding... more

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Discrete Math

06/12/25

Counting subsets of a finite set of integers

Let S be a set of n distinct integers and A be any subset of S. Let σ(A) be the sum of the elements of A, e.g. σ(A) = 4 if A = {1,2,3} (be sure to include the empty set, for which the sum of... more

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Discrete Math Probability

06/11/25

A problem in probability

There are n balls marked 1, 2, ..., n in a container. Drawing one ball at a time, record its number, then put it back. Repeat this r times. If X is the number of different balls drawn, what is the... more

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Answers •3

Discrete Math

06/11/25

Counting ternary strings

How many ternary strings (consisting of 0, 1, -1) of length n are there with r steaks of repeated digits?

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Discrete Math Algebra 2 Precalculus

06/09/25

Counting certain partitions

Consider the partition of an integer into the sum of some integers:n = n1 + n2 + ... + nr, with each ni ≥ 1. How many such partitions are there? An equivalent question: how many integer solutions... more

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Answers •2

Discrete Math

06/09/25

Counting certain binary strings

Let b be a binary string of length r with no adjacent 0s or 1s, e.g. b can be 01010 or 1010 but not 1001 or 0010. For n > r, perform the following operation on a binary string c of length n: if... more

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Discrete Math Algebra 2 Calculus Precalculus

06/08/25

Monotone subsequence of an infinite sequence

Does every infinite sequence have a monotone subsequce? Here by "monotone" we may either (non-strictly) increasing or decreading. More precisely, given a sequence (an)n≥1, does there exist a... more

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Discrete Math Algebra 1 Amc (competition Math)

06/08/25

Integer square of the form 111...1?

Can an integer of the form 111...1 (there are n digits, with n ≥ 2) be the square of an integer?

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Answers •3

Discrete Math Shsat (ny Hs Admissions)

05/17/25

Which number cannot be the difference between two consecutive perfect squares?

A. 17B. 29C. 41D. 44

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Discrete Math

12/02/24

Need help with RSA Cipher

An RSA cipher has public key pq = 65 and e = 7. a. Translate the message YES into its numeric equivalent, and use the formula C = Me (mod pq) to encrypt the message. b. Decrypt the ciphertext 50 14... more

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Discrete Math

09/18/24

how to cancel a scheduled session or change the time of the schedule?

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Discrete Math

09/16/24

Make two circle graphs one for each store, with Vegetables Fruit, Meat, Other as your labels. Determine what percent and dollar amount of your total grocery budget went to each category

Food - how much you need Store #1 Store #2 Grapes - 3 pounds $0.85 per pound $2.99 per pound Cantaloupe - 1 item $1.69 each $3.98 each Strawberries - 2 packages $1.29 per package $4.99 by one get... more

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Discrete Math

09/06/24

grammar correction of an article

I have compile some information about graph theory and would like somebody to read and correct it if necessary. It is 10 pages of maps and graph theory. How can I find someone who can read... more

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Discrete Math Linear Algebra

07/10/24

Linear algebra question: does it have a solution?

Given $k\in\mathbb{N}$, $p$ a prime number, $s = (s_1, s_2,..., s_{2k+1})\in \mathbb{M}_{(2k+1)*1}(\mathbb{F}_p)$, the Hankel matrix generated by s is denoted as H. $$H = \begin{pmatrix}s_1 &... more

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Discrete Math

05/18/24

Prvoe the number of k-compositions of n is n−1 k−1

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Discrete Math

05/09/24

if a sum of two numbers is 17 and their difference is 1, what are the two numbers?!

i need to know now!

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Discrete Math

04/30/24

Marisol spent $17.00 of the $25.00 in her wallet. Which value is equivalent to the fraction of the amount of money Marisol spent?

PLS HELP!!!

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Answers •1

Discrete Math

04/29/24

Turn a sentence into symbolic proposition logic using capital letters for affirmative english statements

Turn the sentence: "Look, Schopenhauer was only grumpy because his dad died by suicide, his mother did not like him, and his archnemesis Hegel was a bigger star than he was. into symbolic... more

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Discrete Math

02/24/24

Question for Counting using PIE

After another gym class you are tasked with putting the 13 identical dodgeballs away into 3 bins. Each bin can hold at most 5 balls. How many ways can you clean up?

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Discrete Math Math

02/19/24

Need help with discrete Advance counting math question

After another gym class you are tasked with putting the 13 identical dodgeballs away into 3 bins. Each bin can hold at most 5 balls. How many ways can you clean up?

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Answers •1

Discrete Math

02/19/24

Ternary question

A ternary string is a string made up of 0's, 1's. and 2's. How many ternary strings of length 66 are there?

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Discrete Math

02/14/24

Let f(x) = { x^2, x is irrational ; x , x is rational. A) Discuss the continuity of f . B) Discuss the differentiability of f . C) Does the integral from 0 to 1 of f(x) is exist?

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Discrete Math

01/29/24

multiply u by 4 then triple the result

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Applications Variation

Applied Math- Cosine law Applied math- Cosine law

Find the sum of floor function values

Counting subsets of a finite set of integers

A problem in probability

Counting ternary strings

Counting certain partitions

Counting certain binary strings

Monotone subsequence of an infinite sequence

Integer square of the form 111...1?

Which number cannot be the difference between two consecutive perfect squares?

Need help with RSA Cipher

how to cancel a scheduled session or change the time of the schedule?

Make two circle graphs one for each store, with Vegetables Fruit, Meat, Other as your labels. Determine what percent and dollar amount of your total grocery budget went to each category

grammar correction of an article

Linear algebra question: does it have a solution?

Prvoe the number of k-compositions of n is n−1 k−1

if a sum of two numbers is 17 and their difference is 1, what are the two numbers?!

Marisol spent $17.00 of the $25.00 in her wallet. Which value is equivalent to the fraction of the amount of money Marisol spent?

Turn a sentence into symbolic proposition logic using capital letters for affirmative english statements

Question for Counting using PIE

Need help with discrete Advance counting math question

Ternary question

Let f(x) = { x^2, x is irrational ; x , x is rational. A) Discuss the continuity of f . B) Discuss the differentiability of f . C) Does the integral from 0 to 1 of f(x) is exist?

multiply u by 4 then triple the result

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