how to solve 48=10t-1/2 t²
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Answer:
t=8,12
Step-by-step explanation:
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Answered by
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Answer:
t=8; t=12
Step-by-step explanation:
48=10t-1/2 t²
2(48)=2(10t-1/2 t²)
96 = 20t - t²
t²-20t+96 = 0
t² - 12t - 8t + 96 - 0
t ( t - 12 ) - ( t -12 ) = 0
(t-8) ( t-12) = 0
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t-8 = 0; t = 8
or
t-12 = 0
t = 12
___________________________
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