This shape is made of three identical semicircles. The perimeter of the shape is 36 centimetres.

Another shape is made up using the same semicircles as above.
Work out the perimeter of the new shape.

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

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Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in