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Question

asked 2020-10-23

a.Find Cartesian equation of the circle

b.Write down the radius and the coordinates of the centre of the circle

c. Write down a suitable domain of t which defines one full revolution around the circle.

asked 2021-03-11

\(\displaystyle{x}^{{2}}-{y}^{{2}}={25},{x}\geq{0},{y}=-{5},{y}={5}\)

asked 2021-06-05

Find solution for this \(6^3 \times 6^{-2}\)

asked 2021-02-19

\(A=A_0 e^{kt}\).

Five years ago the population was at 1400 and today only 1000 of the birds are alive. Once the population drops below 100, the situation will be irreversible. When will this happen?