Order 0.40mm, 40mm , 0.4 mm, and 0.004mm from most to least precise

Mathematics

1 answer:

Anon25 [30]3 years ago

5 0

0.004 mm, 0.40 mm, 0.4 mm, 40 mm. I think.... :)

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Robin can mow a lawn in 3 hours, while Brady can mow the same lawn in 4 hours. How many hours would it take for them to mow the

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The answer is twelve sevenths (12/7)

x - the job
t - time to do the job x

Robin can mow a lawn in 3 hours: x/3 * t
Brady can mow the same lawn in 4 hours: x/4 * t

If they work together, the total work will be the sum of their speeds:
x = x/3 * t + x/4 * t = (x/3 + x/4)*t = (4x/12 + 3x/12) * t = 7x/12 * t

x = 7x/12 * t

Divide both sides by x:
x/x = 7x/12 * t/x
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If an regular interior angle of a regular polygon is 140 degrees, how many sides does the polygon have and I need the work

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Answer:

9 sides

Step-by-step explanation:

exterior angle + interior angle = 180° , so

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