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1. ### statistics problem.....?

..." members is P(x = r) = [kCr * (N-k)C(n-r)]/(NCn) Where N = 12, n = 4, k = 4, N-k = 8, and...

2 Answers · Education & Reference · 24/06/2014

2. ### Easy physics problem?!?!?

...different for each material so you need to look this up: c for water=4.2 J/(kg*K) c for aluminium= 910 J/(kg*K) Heat for the bowl: ...

1 Answers · Education & Reference · 18/06/2014

Find the vertex (h,k) h= -b/2a h= -4/2(1) h= -2 k= c - (b²/4a) k= 3 - (4²/4a) k= 3 - (16/4(1)) k= 3-4 k = -1 You...

1 Answers · Education & Reference · 06/04/2014

4. ### which of the following points is the reflection of the point (x, y) over the line y = k?

you need to draw a picture and measure the distances: (c) (x, 2k-y)

1 Answers · Education & Reference · 05/03/2014

5. ### Write an equation for a sine curve that has the given amplitude, period, and phase shift.?

... how you do it, y = b sin (k(t - c)) | b | = amplitude period = 2pi / k c = phase shift so we have to compute k. 2pi / k = 6 k = 2pi/6 = pi/3 We...

1 Answers · Education & Reference · 08/02/2014

6. ### Why does the C parameter in standard form not equal the k parameter in vertex form?

...x-h) ^2 + k f(0) = ah^2 + k You should now see that ... f(0) = c = ah^2 + k c ≠ k unless h = 0 Hope that helps

1 Answers · Education & Reference · 04/01/2014

7. ### the sides of a triangle are80cm,100cm,and 140cm determine the radius of the the inscribed angle?

The radius of the circle inscribed in the triangle: r = (triangle area)/k where k = (a + b + c)/2 r = SQR[k(k - a)(k - b)(k - c)]/k k = (80 + 100 + 140)/2 = 160 r = SQR[160(80)(60)(20)]/160 = 3919.2/160 = 24.49cm - .--

2 Answers · Education & Reference · 09/12/2013

8. ### How do I tell if a reaction is endothermic?

... an equilibrium expression: aA+bB ⇌cC+dD K c = [C] c [D] d [A] a [B] b K=equilibrium constant...

1 Answers · Education & Reference · 10/11/2013

9. ### Help with Graphing Rational functions quiz please?

of cause false.

1 Answers · Education & Reference · 19/10/2013

10. ### Rockets are launched until the first successful launching has taken place.if this does not occur within 5 atte?

T = K + C, (K is a negative number). T can have 6 different ...

1 Answers · Education & Reference · 14/09/2013