888 Answered Questions for the topic discrete math

Discrete Math

10/26/22

how to solve p∧¬q ∨ q∧¬ r∨ ¬p∨r = T
i have tried solving it with associative law in order to prove this equation equal to TRUTH by using associative and I think its solved by distributive but I could not understand it
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Discrete Math

10/22/22

In how many ways can Nylah select 2 staplers, 5 notepads, and 4 boxes of pens from a cabinet with 8 staplers, 10 notepads, and 5 boxes of pens?
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Discrete Math

10/22/22

Critical thinking
How many answer keys are possible for a multiple choice quiz with 7 questions if the possible choices are a, b, c, or d?
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Discrete Math

10/18/22

Question about finding simultaneous congruences using Chinese Remainder Therom
I have these 3 congruence equations x ≅ 37 mod 43x ≅ 22 mod 49x ≅ 18 mod 71I have been using the Chinese Remainder Theorem to solve this question by converting the first two equations together into... more
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Discrete Math Math

10/16/22

Prove the following Identities(Discrete math Fibonnacci Sequence Question)
First question:F02+F12+F22+...+Fn2=Fn*Fn+1Second question:Fn-1*Fn+1-Fn2=(-1)nThird QuestionChoose an integer uniformly from the set {1,2,3,...,30}. Let A be the event that it is divisible by 2; let... more
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Discrete Math Math

10/16/22

Prove that F_(5n) is divisible by 5
Prove that F_(5n) is divisible by 5.
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Discrete Math Math

10/14/22

An unbounded sequence containing a subsequence that is Cauchy.
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Discrete Math Math

10/14/22

A Cauchy sequence with a convergent subsequence.
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Discrete Math Math

10/14/22

An unbounded, divergent sequence with a convergent subsequence.
thank you
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Discrete Math Math

10/14/22

A monotone sequence that converges and has a divergent subsequence.
Thank you
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Discrete Math Math

10/14/22

A sequence that does not contain -2 nor 2 as a term but contains subsequences converging to each of these values.
As much detail as possible thank you.
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Discrete Math Math

10/14/22

A divergent sequence where the reciprocal diverges as well
A divergent sequence (bn) with bn≠0 for all n such that (1/bn) diverges.Or state that it is impossible.
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Discrete Math

10/14/22

An unbounded sequence and a divergent sequence where the difference is convergent
Any kind of narration helps with understanding. please note that there must be two different sequences.Or state that it is impossible.
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Discrete Math

10/14/22

As a comma -separated list
9x3+9x2= x+1
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Discrete Math

10/14/22

If (n^2-4n) is odd, where n i positive integer, then n is odd. By contradiction
I need help getting started
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Discrete Math

10/14/22

If n^3 is odd, where n is positive integer, then n is odd. Help by contradiction

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Discrete Math

10/13/22

IT Convention Discrete Math
An IT convention was attended by 4,000 IT specialists. There are 2,000 Java programmers,1,900 SQL programmers and 1,800 PHP programmers. 800 are Java and SQL programmers, 900 are Java and PHP... more
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Discrete Math

10/13/22

Number Theory / Discrete Math
Let T = (1,2,3.....,17) How many subsets of T contain all of the odd integers in T? How many subsets of T contain exactly 4 odd integers? How man 9-element subsets of T contain exactly 4 odd... more
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Discrete Math

10/12/22

Use polynomial fitting to find the formula for the nth term of the sequence which starts, (an)n>=1
11,45,119,245,435,… Note the first term above is a1, not a0.
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Discrete Math

10/11/22

The perimeter of an equilateral triangle is 1/27 units. How many units are in the length of one side?
The perimeter of an equilateral triangle is 1/27 units. How many units are in the length of one side?
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Discrete Math

10/09/22

Need help with (𝐴Δ𝐵)×(𝐴∩𝐵)
𝐴 = {∅,{ℕ}} and 𝐵 = {{∅,ℕ},∅}.  Find P((𝐴Δ𝐵)×(𝐴∩𝐵)).What I have right now is:𝐴Δ𝐵 = {{ℕ}, {∅,ℕ}}𝐴∩𝐵 = {∅}A x B = {({ℕ}, ∅), ({∅,ℕ}, ∅)}Is that correct?
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Discrete Math

10/09/22

How to apply inverse modulo on (g^a) mod p?
How can I find 'a' when A = (g^a) mod p.A, g( primitive root) and p (prime number) are known? Although practically such a method would be too time consuming, can we find a theoretical explanation... more
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Discrete Math Math Sat Math Elementary Math

10/05/22

I need help with this question
what is (a² = 3) when the arithmetic sequence is0, 2, 4, 6, 8, 10?
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Discrete Math Math Calculus Precalculus

10/02/22

need help with math problem asap
1.Find an equation of the tangent plane to the given surface at the specified point. z = 4x2 − y2 + 4y, (−2, 4, 16) my answer was z = -8x-4y but it's incorrect.2.Find an... more
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Discrete Math Math Logic

09/30/22

Maths / Proof by Contradiction
Hello fellow mathematicians!Can someone please help me solve this problem? We just started learning contradiction proofs in school and I don't quite understand it. This is the task we got as... more
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