SOLUTION: would really appreciate it! Suppose we have a pendulum that is “y” feet long. Our pendulum makes one complete swing in “t” seconds. Assume “y” and “t” are related by the formula

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: would really appreciate it! Suppose we have a pendulum that is “y” feet long. Our pendulum makes one complete swing in “t” seconds. Assume “y” and “t” are related by the formula      Log On


   

Question 791776: would really appreciate it!
Suppose we have a pendulum that is “y” feet long. Our pendulum makes one complete swing in “t” seconds. Assume “y” and “t” are related by the formula y = .9 t2. If the pendulum is less than 4 feet long, what is the range of values for “t”?
A -2.11 < t < 2.11
B-5 < t < 5
C0 < t < 5
D9 < t
E 0 <= t < .9
F 0 <= t < 2.11

Answer by solver91311(24713) About Me  (Show Source):
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Solve , but consider the fact that any negative value for time is an absurd idea.

John

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