An airplane is flying at an altitude of 36000 feet when it begins its descent for landing twelve minutes into its descent its 29400 feet find the rate of change in altitude.

i dont know

step-by-step explanation:

i think 1: 2

step-by-step explanation:

step-by-step explanation:

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secant-secant formula:

(whole secant) x (external part) =           (whole secant) x (external part)

(8+y-2) *8=                                           (y+4+6) *6

(y+6)*8 = (y+10) *6

distribute

8y+48 = 6y +60

subtract 6y from each side

2y +48 = 60

subtract 48 from each side

2y = 12

divide by 2

y = 6

sv =     (y+4+6)

sv   = 6+4+6

sv = 16