Acomputer can sort x objects in t seconds, as modeled by the function below:

t=0.005x^2+0.002x

how long, in seconds, will it take the computer to sort 10 objects?

round your answer to the nearest hundredth of a second.

The answer is 0.52 s

The function is t = 0.005x² + 0.002x

x = 10

Substitute x into the function:
t = 0.005 * 10² + 0.002 * 10
t = 0.005 * 100 + 0.02
t = 0.5 + 0.02
t = 0.52 s

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm

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