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

Question

3 years ago

11

at an altitude of 27000 ft

2 answers:

elena-s [515] · Answer 1 · 2023-01-11T11:57:09+03:00

5 0

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)

matrenka [14] · Answer 2 · 2023-01-11T10:43:35+03:00

3 0

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