A hot air ballon was 240 ft above the ground. It decreased its altitude by 6 1/2 ft per min for 15 min, and then increased its a

Question

4 years ago

8

A hot air ballon was 240 ft above the ground. It decreased its altitude by 6 1/2 ft per min for 15 min, and then increased its a

ltitude by 9 ft. What was the ballon’s overall change in altitude?? Part A write an expression to model the situation. Part B answer. Part C what is the air ballon’s elevation. PLZZ I will give you 100 points

Mathematics

2 answers:

matrenka [14] · Answer 1 · 2021-12-17T12:36:47+03:00

matrenka [14]4 years ago

8 0

The altitude is 133.5 but I was beat to this bc I was playing gta

Mekhanik [1.2K] · Answer 2 · 2021-12-17T10:49:25+03:00

Mekhanik [1.2K]4 years ago

7 0

Part A The equation to model this would be

240-( 240- 6.5x + 9) = y

x is the minutes the balloon decreases in altitude

Part B plug in x

240- (240 - 6.5(15) + 9) = y

y = 106.5

expression answer: 106.5

Part C altitude is 133.5 (240 - 106.5)