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1. ### Lead melts at 330 degrees C. On the absolute scale this temperature corresponds to:?

Ok. 273 K = 0 C so therefore 330C = 330 + 273 = 603K C.

5 Answers · Science & Mathematics · 21/06/2010

2. ### ∑k(k-1)C(n,k) using the binomial theorem and some calculus, evaluate?

By the Binomial Theorem, (1 + x)^n = sum(k=0 to n) C(n,k) x^k. Differentiating both sides twice, we get n(n - 1) (1 + x...

1 Answers · Science & Mathematics · 19/10/2009

3. ### What is the value of k + c if f(x) is everywhere differentiable. ?

...28 + c c = 6k - 10 12k = 28 + 6k - 10 6k = 18 k = 3 c = 6(3) - 10 c = 8 k + c = 3 + 8 = 11

1 Answers · Science & Mathematics · 11/01/2009

4. ### Prove using a combinatorial arguments?

n * C(n-1, k-1) = n * [(n-1)! / ((k-1)! (n-k)!)] = n! / ((k-1)! (n-k)!) = k * [n! / (k! (n-k)!)] = k * C(n, k). I hope this helps!

1 Answers · Science & Mathematics · 20/11/2011

5. ### derivative help please :) 10 points for the best answer!!?

ƒ(k) = √[k + (kc)^2], assuming c is a constant, and k is the only variable. ƒ...v, by chain rule, we get: ƒ'(k) = u' ⋅ v ⋅ u^(v - 1) ƒ'(k) = [1 + 2(kc)] ⋅ 1/2 ⋅ [k + (kc)^2]^(-1/2) ƒ'(k) = (1 + 2k − 2c) / (2√[k + (kc...

3 Answers · Science & Mathematics · 23/02/2013

6. ### Given 3 vectors: A = 4k B = 8i + k C = 3i - 4j then C(A • B) =_______?

A = 4k = 0i + 0j + 4k B = 8i + k = 8i + 0j + k C = 3i - 4j = 3i - 4j + 0k Now, (A • B) = (0*8 + 0*0 + 4*1) = 4...

2 Answers · Science & Mathematics · 24/09/2012

7. ### Given 3 points, find a, b, c, h, k?

...respectively. Reference (2) gives formulas for h=-b/2a and k=c - [(b^2)[(4a)]. Using these we answer the questions that h = -(-12)/[2...

1 Answers · Science & Mathematics · 21/02/2013

8. ### Convert K to C* and M^2 to mm^2?

..., but that'd just be ridiculous). However, the answer is: °C = °K - 273.16 °C = 300 - 273,16 = 26.84°C, or, rounded off, to 27...

3 Answers · Science & Mathematics · 08/02/2008

9. ### Is K substituted as C in Russian?

it's not K instead of C, it's just K. names are ...original greek name Νικολαος - there's no C either, but every nation adapt names to their ...

2 Answers · Society & Culture · 06/08/2012

10. ### What is a)wavelength,λ b)wave vector, k c)frequency, f d)frequency of this signal, ω?

...http://en.wikipedia.org/wiki/Radians Wavelength (λ) = speed of light (c) divided by the frequency (f), where c = 299,792,458 meters per ...

2 Answers · Science & Mathematics · 17/12/2013

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