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19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps from the top of the wall to the ground. His jump can be modeled by the equation h = -16t? + 28t + 18, where t is the time in seconds. Calculate the time he was in the air. seconds O 3 seconds O second O 3 second

19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps from the top of the wall to the ground. His jump can be modeled by the equation h = -16t? + 28t + 18, where t is the time in seconds. Calculate the time he was in the air. seconds O 3 seconds O second O 3 second

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.3: Solving Problems With Two Variables
Problem 16P
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Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps from the top of the wall to the ground. His jump can be modeled by the equation h=-16t2+28t+18

19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps from the top of the wall to the ground. His jump can be modeled by the equation h = -16t2 + 28t + 18, where t is the time in seconds. Calculate the time he was in the air. seconds 3 seconds second 3 second
Transcribed Image Text:19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps from the top of the wall to the ground. His jump can be modeled by the equation h = -16t2 + 28t + 18, where t is the time in seconds. Calculate the time he was in the air. seconds 3 seconds second 3 second
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