the area of a square whose sides have length x cm is increasing at the rate of 12cm²/s. how fast is the length of a side increasing when the area is 81cm²​

0.67 cm/s

Step-by-step explanation:

The area of a square is given by :

....(1)

Where

x is the side of a square

Differentiating equation (1) wrt t.

When A = 81cm²​, the side of the square, x = 9 cm

Put all the values,

So, the length of the side of a square is changing at the rate of 0.67 cm/s.

no ,sorry if you needed it but you can ask and try to see if any one will anwser ,

step-by-step explanation:

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have a nice day

answer: no, but if it does it's a obvious pattern.

step-by-step explanation: