Mathematics, 14.04.2020 23:40 sheldonwaid4278

The length of a rectangle is increasing at a rate of 6cm/s and its width is increasing at a rate of 3cm/s. When the length is 20cm and the width is 15cm, how fast is the area of the rectangle increasing?

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The length of a rectangle is increasing at a rate of 6cm/s and its width is increasing at a rate of...