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1. ### Solving Polynomial Equations k(k-5)>0?

k(k - 5) > 0 in two cases: 1) k > 0 and (k - 5) > 0 2) k < 0 and (k - 5) < 0 In case 1, k > 0 and k > 5; both of these are true when k > 5. In case 2, k...

1 Answers · Science & Mathematics · 11/04/2010

2. ### Closed form for 1/(k x (k+1) x (k+2))?

Decomposing 1/[k(k+1)(k+2)], you have: A/k + B/(k+1) + C/(k+2) = 1/[k(k+1.... Therefore: A(k+1)(k+2) + B(k)(k+2) + C(k)(k+1) = 1 which must hold true for all valid values of k. To determine...

2 Answers · Science & Mathematics · 08/09/2007

3. ### What is the sum from k=5 to infinity of ((k-1)!*k^3)/ ((k-5)!*4!*(2^k))?

Note that Σ(k = 5 to ∞) C(k-1, k-5) k^3/2^k...to ∞) (k-1)(k-2)(k-3)(k-4) * k^3 x^k {at x = 1/2} = (1/24) x^5 * Σ(k...%29+C%28k-1%2C+k-5%29+k^3%2F2^k I hope...

1 Answers · Science & Mathematics · 29/07/2014

4. ### Help functions k(x) = x^2(x^2+160?

k(x) = x^2(x^2+16) k(4 - √2) = (4 - √2)^2 [(4 - √2)^2 + 16] Remember that (4.... (4 - √2)(4 - √2) = 16 - 8√2 + 2 = 18 - 8√2 So then: k(4 - √2) = (4 - √2)^2 [(4 - √2)^2 + 16] k(4 - √2) = (18 - 8√2)(18...

3 Answers · Science & Mathematics · 16/01/2009

5. ### Determine the value of k that will give the indicated solution.?

k is not c kx^2 - 2x + 1 = 0 k = a b^2 - 4ac = (-2)^2 - (4)(k)(1) = 4 - 4k 4-4k > 0...3 k^2 - 2k - 3 > 0 Set k^2 - 2k - 3 = 0 (k - 3)(k + 1) = 0 ==> k = 3 or k = -1 for k^2 - 2k - 3...

1 Answers · Science & Mathematics · 15/04/2010

6. ### The quadratic function Q is defined by Q(x) = kx2 − (k − 3) x + (k − 8), Determine the values of k for which Q (x) = 0 has no real roots?

(k - 3)² < 4k (k - 8) k² - 6k + 9 < 4k² - 32k 3k² - 26 k - 9...

4 Answers · Science & Mathematics · 05/10/2017

7. ### What is the composition of (potassium) orthoclase feldspar? a.k.a "K-Spar"?

K (periodic table symbol for potassium). the general formula (K,AL)Si3O8 where the relative amounts of K and Al can vary to produce different types of feldspar. K-...

2 Answers · Science & Mathematics · 14/12/2010

8. ### How do I factor 3x² 16x k?

You can't. You have to know what k is. That said, if you have other conditions which...like: (3x + m)(x + n) where m and n are integers, and: mn = k m + 3n = 16 ==> m = 16 - 3n k = n(16 - 3n) = 16n - 3n² So, pick...

2 Answers · Science & Mathematics · 01/08/2008

9. ### Convert 780 mK/s = K/s?

K actually equals Kilometers (Kelvins is a measure of... (which is not really a standard velocity unit) However in K/s (or kilometers per second)....is would be 0.780 K...

3 Answers · Cars & Transportation · 03/11/2010

10. ### Where can i watch K-on! without megavideo?

k-on episode 1: http://www.animeseason.com/k-on-episode-1/ http://www.gogoanime.com/k-on-episode-1 k-on season 2 episode1: http://www.animeseason.com/k-on-2nd-season-episode-1/# http://www.gogoanime.com/k-on-season-2-episode-1

3 Answers · Entertainment & Music · 11/07/2010