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 )

## Discrete Math Resources

among the elements 0, 1, 2, 3...,13, 14 of Z(mod 15) please state all x for which x^1 fails to exist

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¬p ∨ (r → ¬q)

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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

# Algebraic Math Help With Inequalities

Sample world problem with solution described by an inequality. This problem is from a discrete math class involving a school field trip.

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. Using a Caesar cipher decrypt the following message and determine the key used. (Hint: KU is repeated , Alphabet wraps around) VJKU SWKB KU QXGT

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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 ...

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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

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Is 2a(5a-30) divisible by 10?

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Write the following is mathematical notation (Hint: ∀ ∃ ) a) All students attend classes b) Some people are criminal

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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 WHGX Hint: Find the common...

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Using 8-bit representation compute the following sums a) 111 + 45 b) 67 + 67

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How many elements are in the set { 3 ,4 ,3 ,5 ,2 ,8 ,4 ,5 ,8 ,9} ?

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Verify the following statements a) 100 ≡ 5 (mod 5) b) 112 ≡ 4 (mod 7) c) 80≡ 8 (mod 2) im so lost

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

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Given the following equations what is the corresponding Θ(x^? ) notation a) ((2x-2)(2x+4))/8 b) ((2x^2-2x+2)(2x+4))/2 c) ((3x^3+2x^2+4x+2)(2x^2+3x+2))...

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Express the following equation, using Ω Ο or Θ notation |3x^5 -4x^4 +3x^3 +2x^2 +5x +12| ≤ 12|x^5 |

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Express the following equation, using Ω Ο or Θ notation 2|x| ≤ | ((4x-5)(2x+5))/(3x^2+6) | ≤ 18|x|

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Given the following equations what is the corresponding Θ(x^? ) notation ((2x-2)(2x+4))/8 ((2x^2-2x+2)(2x+4))/2 ((3x^3+2x^2+4x+2)(2x^2+3x+2))/12

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Write the truth table for ~(a ^ b) V (a V b) ?