Mathematics, 31.05.2021 17:50, Keon1564
A train travels 120km to the nearest kilometer for 3.5 hours correct to the 2 significant figures. Calculate the least speed of the train to 2 decimal places.
Answers: 3
Mathematics, 21.06.2019 18:30, nina288
Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?
Answers: 1
Mathematics, 21.06.2019 20:30, Travisbennington
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
Answers: 1
A train travels 120km to the nearest kilometer for 3.5 hours correct to the 2 significant figures....
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