In 200920092009, Usain Bolt set the world record for sprinting 100 \text{ m}100 m100, start text, space, m, end text in approximately 9\dfrac359 5 3 9, start fraction, 3, divided by, 5, end fraction seconds. Find his average speed in meters per second.

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

it could be 1,3 and more others to create a cylinder.

step-by-step explanation:

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