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1. ### Find the value of k so that each parabola has only one x - intercept of following question!?

...intercept), you use the equation b^2-4ac=0. You plug in 20 for b, 25 for a, and k for c. You get: 625-80k=0. Then you can add 80k to both sides to...

2 Answers · Education & Reference · 07/08/2008

2. ### Y = a sin k ( θ - d ) + c?

a is amplitude, k is frequency per 2π (360º) interval, d = horizontal shift, c = vertical shift

2 Answers · Education & Reference · 11/01/2011

3. ### Combinatorial Proof Help?

...unchosen (a-b) ■=chosen (b) Repeated use of the formula for a=n, b=k: C(n,k) = C(n-1,k-1) + C(n-1,k) then for the second term a=n...

1 Answers · Education & Reference · 18/09/2014

4. ### Y=af(k(x-d))+c ---positive and negative signs!?

Because in any algebra problem, you can change the signs oppisite as long as they are only opposite, for example +7 - -x =3 (seven minus negative x equals three) you could change it to -7 + +x =-3(negative seven plus x equals negative 3) x=four It has to do with absolute value

2 Answers · Education & Reference · 05/11/2010

The formula to find degrees celsius is C = (F - 32) x 5/9 Therefore C = (34 - 32) x 5/9 C = 2 x 5/9 C = 10/9 Answer = 1.1 °C

5 Answers · Education & Reference · 25/10/2008

That's everything in T and/or K that is also in C so 9 + 23 + 15

1 Answers · Education & Reference · 09/01/2014

7. ### stats homework -- binomial distribution help?!?

... given by P(K = k) = f(k) = C(n, k) p^k (1 - p)^(n - k), for k in {0, 1, 2... so that P(K = k) = f(k) = C(n, k) p^k q^λ. The three factors...

1 Answers · Education & Reference · 21/06/2012

8. ### I have an english project were u write a childrens a b c book with relating to Canada... i'm stuck on K...

5 Answers · Education & Reference · 31/12/2007

9. ### help!! with factors?

easy a) m(n+3)(n+2) b) (k-11)(k-4) c) t(t+9)(t-9)

4 Answers · Education & Reference · 15/03/2007

10. ### Solve each linear equation?

b) k/2+1=11 k+2=22 multiply everything by two k=20 isolate variable c)2y+3 over 5= 9 2y+3 =45 multiply everything by 5 2y=42 y=21 d) -2.5z+4=-1 -2.5z=-5 z=2

1 Answers · Education & Reference · 10/06/2015