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  1. The inverse relation R ^-1 consists of the ordered pairs obtained by ... of B, so the pairs (2,2), (2,6), and (2,8) are in R .  3 divides 6, but no other element of B. So the pair (3,6...

    1 Answers · Science & Mathematics · 20/08/2020

  2. ... Profit is the difference between the revenue and the cost: P( r ) = R ( r ) - C( r ) So we need to find functions for the...

    1 Answers · Science & Mathematics · 10/12/2020

  3. Total resistance of the branch on the right = 40 + R [1] Resistance of 30 ohms in parallel... = 75 * (30(40+ R )/(70+ R )) / (5 + 30(40+ R )/(70+ R )) * R /(40+ R ) [4] But...

    2 Answers · Science & Mathematics · 21/09/2020

  4. a) Given Integral I= ∫∫ R (+)A where R is the region in the xy-plane which lies below...

    1 Answers · Science & Mathematics · 19/07/2020

  5. ...5 * e^(x) - 4 * e^(x) + 5 * e^(-x) + 4 * e^(-x)) => (1/2) * (e^(x) + 9 * e^(-x)) r * cosh(x - a) = r * (1/2) * (e^(x - a) + e^(a - x)) r * (1/2) * (e^(x - a) + e^(a...

    1 Answers · Science & Mathematics · 18/11/2020

  6. r =(1 - 2 cos θ) = 1 is quite meaningless. Are u sure u typed it in correctly?

    1 Answers · Science & Mathematics · 01/01/2021

  7. ...space must equal 1.  (b) since the sum of all probabilities  =  1 P( r >=1)  =  1 - P( r is not greater than one)  The only...

    1 Answers · Science & Mathematics · 30/10/2020

  8. Let (A,B) ∈ R and (B,C) ∈ R then A ⊆ B and B ⊆ C ⇒ A ⊆ C ⇒ (A, C) ∈ R   . .   .   R is transitive

    1 Answers · Science & Mathematics · 28/07/2020

  9. ...q  is always true if p is false, no matter the truth-value of q.  .. r .. s .. t . (~ r )^s .. r ^t . ((~ r ) ^ s) --> ( r ^ t...

    1 Answers · Science & Mathematics · 06/06/2020

  10. ...42 (21/4) * 2^(x) = 42 2^x = 42 * 4 / 21 2^x = 2 * 4 2^x = 8 x = 3 V = R / ( R [s] + r ) * V[dc] V / ( R * V[dc]) = 1 / ( R ...

    3 Answers · Science & Mathematics · 23/02/2020

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