3 years ago

The width of a rectangle is 1/3 its length, l .

1 answer:

5 0

The correct expression for perimeter is <span>2(l+1/3l). If you solve this for 56; </span><span>2(l+1/3l) = 56. You find that l = 21. If l = 21, then the width is 7, and Area = l * w, so the area of the rectangle is 147 square inches.</span>

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After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounceAfter the first bounce it reac

kap26 [50]

Answer:

8 inches.

Step-by-step explanation:

In the first bounce, the height that the ball reaches was 125 inches.

If the ball always bounces back to $\frac{2}{5}$ of the height, then after 2nd bounce it will reach $(125 \times \frac{2}{5}) = 50$ inches height.