marciii
16.10.2020 •
Mathematics
Reema spends $19.25 on 100 lead pencils. what is the price of one pencils? round the answer to the nearest penny.
Answers
$0.02
$0.19
$1.93
$19.25
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Ответ:
Ответ:
8.8 seconds
Step-by-step explanation:
Taking g = 9.81 m/s²
Convention: downwards positive
30 = -40t + 0.5(9.81)t²
4.905t² - 40t - 30 = 0
t = 8.846327763, -0.6913838279
t = 8.8s