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Nadya [2.5K]
4 years ago
13

The diameter of a small gear is 16cm. This is 2.5cm more than 1/4 of the diameter of a larger gear. What is the diameter of a la

rger gear? round to the nearest centimeter.
Choices: 54cm, 64cm, 44cm, and 74cm.
Mathematics
1 answer:
gogolik [260]4 years ago
8 0
(16-2.5) : 1/4 = 13.5 · 4 = 54 cm
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A tortoise and a hare are competing in a 2000-meter race. The arrogant hare decides to let the tortoise have a 550-meter head st
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Answer:

a) distance covered by hare d1 = 8t

b) distance covered by tortoise d2 = 5t + 550

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Speed of hare u = 8m/s

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a) using the equation of motion;

distance covered = speed × time + initial distance

d = vt + d0

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d0 = 0

Substituting the values;

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b)using the equation of motion;

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d2 = 5t + 550

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Substituting the values;

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