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related to: K.C

1. ### Prove gcd(a,b)=gcd(a-b,b)?

...b and b which was not factor of a and b). So, let assume ∃ k '> k , c , b'' such as a-b= k '× c , b= k '×b'' then a= k ' c + k '...

1 Answers · Science & Mathematics · 21/07/2020

2. ### For which of the following values of x is the equation (sin x + cos x)^2 = k true, for 1< k < 2 ?

(sin x + cos x)^2 = k sin x ^2 + cos x ^ 2 + 2*sin x * cos x = k (sin x ^2 + cos x ^ 2) + 2*sin x * cos x = k 1 + 2*sin x * cos x  = k 1 + sin 2x = k sin 2x = k - 1 let k - 1 = j find sin 2x = j where  0<...

1 Answers · Science & Mathematics · 02/08/2020

3. ### An honor card is a face card or an ace. How many bridge hands contain exactly k honor cards for k = 1,...13.?

...16 honor cards, pick k - From the 36 non-honor cards, pick 13- k C (16, k ) * C (36,13- k ) You can calculate that value for k =0 to 13, though...

1 Answers · Science & Mathematics · 09/01/2020

4. ### Can you solve it?

(1 + x/2)^n = ∑ C (n, k ) (x/2)^ k        . . . . sum from k =0 to n The x^3 term... the only feasible result. Test: C (n, 3)/2^ k = C (6, 3) / 8 = 20 / 8 = 5/2 5n / 12 = 5*6 / 12 = 5/2 Yep...

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

5. ### can someone help?

... of n people chosen k at a time. C (n, k ) = n! / ( k ! (n- k )!) C (10,3) = 10! / (3! 7!) = 120 I have trouble remembering the formula, so...

4 Answers · Science & Mathematics · 07/10/2019

...gt;2⁺ g(x) = 3 Something to watch out for is that lim x--> c ⁻ k (x) = lim x--> c ⁺ is necessary for k to be continuous at c , but not sufficient...

1 Answers · Science & Mathematics · 23/08/2020

7. ### You take a can of soda from the trunk of your car, which is at a temperature of 180, and put it into a freezer of temperature 10 degrees.?

...at t = 0) (180) t is the time since measurement started (varies) k is the cooling constant (unknown) Let's first put in...

1 Answers · Science & Mathematics · 20/07/2020

8. ### Cesium-137 has a half-life of about 30 years.?

a/ y = a(2^(-t/30))=a(0.97716)^t, 1-r = 0.97716 ---> r = 0.02284 = 2.284%  b/ y = a(e^(kt)) = a(0.97716)^t solve for k c / and d/ you can do

1 Answers · Science & Mathematics · 01/06/2020

9. ### Finding values of positive constants in trig equations...?

...θ + 53.1) Therefore, -5k ≤ k (3sinθ + 4cosθ) ≤ 5 k   Then, -5k + c ≤ k (3sinθ + 4cosθ) + c ≤ 5k + c Hence, -5k + c = -37 and 5k + c = 43 ...

1 Answers · Science & Mathematics · 10/06/2020

10. ### Calculus math?

V= |A • (B x C )| B x C = (-8+2)i - (6-2)j + (-3+4) k = -6i -4j + k V= |-12 -4 +1|= 15

1 Answers · Science & Mathematics · 18/06/2020