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MarianaF
14.01.2020 •
Mathematics
Aman is walking down a very long flight of steps in a stairwell. he begins at 136 feet above ground level. he walks down at a steady rate such that he gets closer to the ground floor at a rate of 2.8 feet per second. how many feet above the ground is he after 10 seconds?
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Ответ:
so if he gets closer to the ground 2.8feet per second he would get 28 feet closer to the ground in 10 seconds (2.8x10=28)
now we need to subtract the amount that he got closer in 10 seconds from where he started and that would be 108feet above the ground (136-28=10)
108 feet above the ground after 10 seconds.
Ответ:
x squared over 8 minus y squared over 8 equals 1
step-by-step explanation: