Achild on a swing sweeps out a distance of 45 ft on the first pass. if she is allowed to continue swinging until she stops, and if on each pass she sweeps out a distance one half of the previous pass, how far does the child travel?

d = 90 ft

Explanation:

Here in each swing the distance sweeps by the swing is half of the initial distance that it will move

So here we can say that total distance in whole motion is  given as

since it is half of the distance that it will move in each swing so it would be a geometric progression with common ratio of 1/2

so sum of such GP is given by the formula

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

1 a

2 b

3 b

4 d

5 d

6 d

explanation: