SOLUTION: the question asks to solve: 5t^2-27t+22=0 could t=1 and t=4.4 ??

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Question 561375: the question asks to solve: 5t^2-27t+22=0
could t=1 and t=4.4
??

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice that the quadratic is in the form of where , , and


Let's use the quadratic formula to solve for "t":


Start with the quadratic formula


Plug in , , and


Negate to get .


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Combine like terms.


or Simplify.


So the solutions are or


Note: 22/5 = 4.4


So you have the correct answers.
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