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1. ### What are the vertices, covertices, and foci of the ellipse (x-5)^2/64 + (y-10)^2/100 = 1?

...k)  vertices (h,k±a)  co-vertices (h±b,k)  foci (h,k±c), c² = a²-b²   (y-10)²/10² + (x-5)²...

4 Answers · Science & Mathematics · 21/05/2019

2. ### How do I show that this sequence satisfies the given recurrence relation?

... that it's not true. Maybe you mistyped things? k c(k) 4c(k-1) 0 0 1 1 0 2 3 4 3 7 12 4 15 28 5 31 60

1 Answers · Science & Mathematics · 25/07/2019

3. ### Physics problem!!?

The surplus of energy stored in the hotter body is received by the other , so that while one decreases its own temperature, the other increases by the same amount, being the two bodies equal in mass and material . ΔE = m*c...

1 Answers · Science & Mathematics · 18/04/2019

4. ### Ideal Gas Law Chemistry?

1. T = PV / nR = ( 2.5 atm) x (8 L) / ((3 mol) x (0.082057338 L atm/K mol)) = 81.24 K So answer c, although no more than one significant digit is justified. 2. Balloons typically do not have a constant volume, but ignoring that fact...

1 Answers · Science & Mathematics · 03/05/2019