Sunday

February 1, 2015

February 1, 2015

Posted by **Dot** on Tuesday, November 25, 2008 at 10:00am.

- algebra -
**Reiny**, Tuesday, November 25, 2008 at 11:08amI will assume you are trying to solve.

t^4-40t^2+40=0

I first solved for t^2 using the quadratic formula

to get t^2 = 20 +-√360

both of which are positive

then t = +-√(20 +-√360) which represents 4 answers

**Answer this Question**

**Related Questions**

algebra - how do you graph c =40t+ 250

HELPPPP!!!! - One car traveling at 55mi/h left a certai place 3h later than ...

Alegbra (Different Problem) - One car traveling at 55mi/h left a certai place 3h...

College Algebra - Find all solutions of the equation. Check your solutions in ...

Algebra 2 - Okay I have : a ball is thrown with an initial velocity of 40 ft/...

Algebra - An object is launched upward from the ground with an initial vertical ...

Math - The height h in feet of an object after t seconds is given by the ...

Algebra - The height of a ball thrown directly up with a velocity of 40 feet per...

precalculus - A batter hits a baseball from 3eet above home plate along the path...

precalculus - A batter hits a baseball from 3eet above home plate along the path...