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oil is leaking out of a tank. the depth of oil in the tank for 60 seconds is shown below. use the graph to work out the rate of decrease of depth, in cm/s, at 10 seconds. you must show your working.

oil is leaking out of a tank the depth of oil in the tank for 60 seconds is shown below use the graph to work out the rate of decrease of depth in cms at 10 sec class=

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Answer:

Step-by-step explanation:

draw a tangent starting from (0,80) and touches at (10,60)... Example attached if needed... Good Luck! ;)

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Answer:

2.24

Step-by-step explanation:

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