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## anonymous 5 years ago how to solve use the formula h=40t - 5t^ to find the height in metes of a ball 5 second after it is thrown ??

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1. anonymous

Use substuition. h=40*5-5*5^ h = 200-125 h = 75 That's the answer

2. anonymous

replace t by 5 to get $40\times 5-5\times 5^2$ $=200-5\times 25$ $=200-125$ =$75$

3. anonymous

okay thank you very much :)

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