the altitude a (in feet) of a plane t minutes after liftoff is given by a =1200t+60. how many minutes after liftoff is the plane
at an altitude of 27000 ft
2 answers:
Answer:
We are going to solve for t if a is 27,000 (ft).
27000-60=1200t + 60-60
26,940=1200t
Divide each side by 1200
22.45=t (minutes)
Answer:
21,000-600 = 20,400
20,400/3400 = 6
t = 6
21,000=3,400(6)+600
21,000=20,400+600
21,000=21,000
34.00
*6
__
204.00
3,400*6=20,400
Step-by-step explanation:
pls brainlies
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