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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. ### Can someone please answer these AP calculus AB questions?

...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

4. ### Write 10 standard indefinit integral ?

...x (ln x)² – 2x ln x + 2x + C ∫ logκ x dx = (x ln x – x) / ln K + C    (log base K )∫ a^x dx = a^x/ln a + c ∫ sin u du = –cos u + C ...

1 Answers · Science & Mathematics · 11/03/2021

5. ### Probability Math ?

Won't use there notation  n_ C _ k    , I will write as    C (n, k )       so both...7!) = 10*9*8/ 3*2*1  =   10*9*4/3  = 10*3*4  = 120  C (10,3) (1/4)^3 (3/4)^7 =  120* ( 3^7/ 4^10)  =  = 262440...

1 Answers · Science & Mathematics · 15/02/2021

6. ### 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

7. ### a foodcart vendor learned that by pricing the burritos at \$7 each sales reach 200 a day and pricing at \$9 they sell 150 ?

N = kx + c plug in the numbers to determine constants 200 = k (7) + c 150 = k (9) + c c = 200 – 7k c = 150 – 9k 200 – 7k = 150 – 9k 9k – 7k = 150 – 200...

3 Answers · Science & Mathematics · 26/02/2021

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. ### precalc help?

K = √s(s-a)(s-b)(s- c ) where s = (1/2) (a + b + c ) s= (1/2)(100 + 50 +75) = 112.5 K = √s(s-a)(s-b)(s- c )  K = √112.5(112.5 -100)(112.5 -50)(112.5 - 75) = 1815.46 1815.46 x \$ 3.00 = \$. 5446.38

1 Answers · Science & Mathematics · 09/02/2021

10. ### help me determine k and n (logs)?

...10)y=nlog(10)x+log(10) k -----(1) Let Y=log(10)y X=log(10)x C =log(10) k then (1) becomes Y=nX+ C --------(2) From the ...

5 Answers · Science & Mathematics · 05/04/2021

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