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40. I was 4 km east of my home. Now I am 3 km west of my home. How many kilometres did I travel? 11. A deep-sea diver is 4.5 m below the water level. At what depth is he now? At what height he is now |
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Answer» 40. 7 km. 11. d = 4.5 m, h = - 4.5 mStep-by-step explanation:d = | 4 - (- 3) | = 7 km 11. Depth (d) = SEA level - DIVER's distance according to WATER level= 0 - ( - 4.5) m= 0 + 4.5 m= 4.5 m Diver height (h) = sea level + Diver's distance according to water level= 0+ ( - 4.5) m= - 4.5 m |
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