F(t) = -5t^2 + 20t + 60
-5(t^2 - 4t - 12)
-5(t + 2) (t - 6)
t = -2 or t = 6
6 seconds
Answer:
Step-by-step explanation:
to be honest you guy should just use photo math its faster and i you dont need to pay to get answer
Wht im so confused can you give some more information btw you wasted some of your points just saying
Answer:
Step-by-step explanation:
hello :
x² - 6x = 7
x² - 6x+9-9___= 7
(x - 3 )²= __16_
x - 3= +/-_4__
x-3=4__and x-3 =_-4_
Answer:
that do it make any sense nshshshshshsjshshsnshdjdjjsjskslqpsjdbjdbsjsbsjdhshdhdhshsjsjsjjsjshshshsjs
Step-by-step explanation:
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