hw help | Mathematics | Page 1

gaunt stirrup Apr 25, 2023, 10:11 AM

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A projectile's height (in metres) above ground is given by the expression (14 - t), where time t is in seconds. How long is the projectile above a height of 40 m?

could someone help me with this question pls

violet archBOT Apr 25, 2023, 10:11 AM

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astral goblet Apr 25, 2023, 10:28 AM

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40=(14-t)

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40-14=26

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-t=26

gaunt stirrup Apr 25, 2023, 10:29 AM

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the answer in my book is 6

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i dont get it..

hoary mauve Apr 25, 2023, 10:37 AM

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gaunt stirrup the answer in my book is 6

must be typo

gaunt stirrup Apr 25, 2023, 10:37 AM

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sorry yeah

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heres the actual question

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Q3

hoary mauve Apr 25, 2023, 10:39 AM

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that makes sense

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40 = t(14-t)

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