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1. ### MATH: Scientists use the Kelvin temperature scale to keep track of some of the coldest things in the universe.?

This is a linear relationship: C = K − 273 K = C + 273 1. 77°K = 77−273 = −196°C 2. 0°C = 0+273 = 273°K

1 Answers · Science & Mathematics · 29/04/2016

2. ### What are the basic rules of an exponential function?

...and h. You can see the latter as follows: f(x) = c . a^(d(x-h)) + k = c . a^(dx) . a^(-dh) + k = c' . a^(dx) + k, where c' = c . a^(-dh) So we...

2 Answers · Science & Mathematics · 06/04/2016

3. ### prove nCk = n-2Ck + 2(n-2Ck-1) + n-2Ck-2 Please explain and show all steps. Thanks!?

...be considered a double application of Pascal's rule: C(n,k) = C(n-1,k-1) + C(n-1,k) = C(n-2,k-2) + C(n-2,k-1) + C...

2 Answers · Science & Mathematics · 28/03/2016

4. ### The following message was coded using c = 17x + 3. How to decode the message?

... A X K Z K N J J K C E X Q I Z V If you don t know the...

1 Answers · Science & Mathematics · 01/02/2016

5. ### Intro Differential equation help?

...k y – 1 = e^(k – 2x) = Ce^(-2x) It was convenient to write e^k = C y = 2 when x = 0 1 = C y = e^(-2x) + 1

4 Answers · Science & Mathematics · 03/07/2015

6. ### exponentials and logarithms?

...e^(-1 * k)] / [e^(-2 * k) (10 / 7) = { [e^(k)]^(-1) } / { [e^(k)]^(-2) } Let e^k = c. I chose c because it's my jam. (10 / 7) = [c^(-1)] / [c...

2 Answers · Science & Mathematics · 10/06/2015

7. ### PROBABILITY MATH HELP!?

... has a BINOMIAL distr. B(n,p) P(N = k) = C(n,k) p^k (1-p)^(n-k) therefore, here : P(N=3) = C(41,3) (1...

5 Answers · Science & Mathematics · 22/05/2015

8. ### Rationals and Radicals. 1) Solve for k:E=1-c/k 2)Simplify.(Rationalize the denominator if necessary) a.sqrt5/3x^2 b.4sqrtb/sqrt3-b?

...that’s what you mean Multiplying both sides by k: Ek = kc Subtract k from both sides: Ek – k = -c Factoring...

2 Answers · Science & Mathematics · 16/01/2015

9. ### Statistics probability question? (max points)?

... to use the notation of C(n,k), where: C(n,k) = n! / ((n-k)! k!) C(40,4) = 40 x 39 x 38 x 37 / (4 x 3 x 2 x 1) = 91390 ways PART...

2 Answers · Science & Mathematics · 04/10/2014

10. ### CAN SOMEONE HELP ME ASAP (k+2)x^2-kx-2=0?

ax^2 + bx +c = 0 the discriminant is b^2 - 4ac a = k + 2 b = -k c = -2 (-k)^2 - 4(k + 2) * -2 >= 0 k^2 + 8k + 16 >= 0 (k + 4)^2 >= 0 k + 4 >=0 k >= -4 for real roots

2 Answers · Science & Mathematics · 28/09/2014