A model rocket is launched from the ground. The height, s, of the rocket above the ground at time t seconds after it is launched can be found by the formula s=-161² +69t. Find how long it will take for the rocket to reach a height of 72 feet. seconds (Round to two decimal places as needed. Use a comma to separate answers as needed.)

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
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Chapter10: Quadratic Equations
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Problem 342PT: Solve. 342. A water balloon is launched upward at the rate of 86 ft/sec. Using the formula...
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A model rocket is launched from the ground. The height, s, of the rocket above the ground at time t seconds after it is launched can be found by the formula
s=-161 +69t. Find how long it will take for the rocket to reach a height of 72 feet.
S=
(...)
seconds
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
nts
Librar
Success
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Transcribed Image Text:A model rocket is launched from the ground. The height, s, of the rocket above the ground at time t seconds after it is launched can be found by the formula s=-161 +69t. Find how long it will take for the rocket to reach a height of 72 feet. S= (...) seconds (Round to two decimal places as needed. Use a comma to separate answers as needed.) nts Librar Success Help me solve this View an example Ask my instructor Clear all Check answer 36°F Sunny ▬ ĐỘN F3 A 7 JL N 2 W S alt X # 3 E D с F4 $ 4 R F FS V % 5 T G FG A 6 B Y H & 7 N (DELL) FB U J ★ 8 F9 00 - M prt sc F10 D K 160- O V alt home ) O L F11 end P F12 : ctrl ; B insert [ + 11 = ? 1 " O delete
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