A baseball is dropped from a stadium seat that is 75 feet above ground. Its height s in feet after t seconds is given by s(t) = 75 – 16t2 . A. After how long does the baseball strike the ground? Estimate to the nearest tenth of a second. B. After how long is the baseball 27 feet above the around?

A baseball is dropped from a stadium seat that is 75 feet above ground. Its height s in feet after t seconds is given by s(t) = 75 – 16t2 . A. After how long does the baseball strike the ground? Estimate to the nearest tenth of a second. B. After how long is the baseball 27 feet above the around?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter10: Quadratic Equations

Section10.4: Solve Applications Modeled By Quadratic Equations

Problem 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...

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Concept explainers

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.

Question

Please show work and explain

A baseball is dropped from a stadium seat that
is 75 feet above ground. Its height s in feet
after t seconds is given by s(t) = 75 – 16t2 .
A. After how long does the baseball strike
the ground?
Estimate to the nearest tenth of a
second.
B. After how long is the baseball 27 feet
above the ground?

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