SOLUTION: How do I multiply this expression? t(64-5/2t) this represents a rocket flown on the moon with its height h in feet after t seconds. Then I need to evaluate the expressio

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: How do I multiply this expression? t(64-5/2t) this represents a rocket flown on the moon with its height h in feet after t seconds. Then I need to evaluate the expressio      Log On


   

Question 420856: How do I multiply this expression?

t(64-5/2t)
this represents a rocket flown on the moon with its height h in feet after t seconds.
Then I need to evaluate the expression and the expression for t=2.
I am so confused! Please help me!!! :-{
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
+S%28t%29=-5t%5E2%2F5%2B64t+ This is the function of distance s with respect to the time t .
After t=2sec the traveling distance is: +s%282%29=-5%282%5E2%29%2F5%2B64%282%29=124+.
Answer: After 2 sec the rocket travel 124 ft.