Mathematics, 04.08.2021 08:40 henriquetucker

6. Suhu sejenis logam menyusut daripada 100°C kepada T°C mengikut persamaan T = 100(0.9)' selepas x saat. Hitung (a) suhu logam selepas 5 saat,
(b) masa, x, dalam saat untuk suhu logam menyusut daripada 100°C kepada 80°C.

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6. Suhu sejenis logam menyusut daripada 100°C kepada T°C mengikut persamaan T = 100(0.9)' selepas x...