The altitude in feet of a plan minutes after is given by =3400 +600. How many after liftoff is the plane at an altitude of 21,00

Question

liq [111]

2 years ago

11

The altitude in feet of a plan minutes after is given by =3400 +600. How many after liftoff is the plane at an altitude of 21,00

0 feet?

Mathematics

1 answer:

nekit [7.7K] · Answer 1 · 2022-08-04T10:26:41+03:00

nekit [7.7K]2 years ago

3 0

A= 3400t + 600 | given formula
21000= 3400t + 600 | substitute the altitude into the formula
20400 = 3400 | subtract 600 from both sides
6 = t | divide both sides by 3400
6 minutes