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Genrish500 [490]

3 years ago

8

What is A divided by A% of A? thank you!

1 answer:

Zina [86]3 years ago

4 0

Suppose A equals 10. Lets use 20% of 10, or 2.

10/2 = 5.

As we can see, the equations varies depending on the percentage used. We can effectively conclude that:

A/(1/5A)
5A.

The equation is equal to the reciprocal percentage times A.

Another example:

50 divided by 10% of 50 (5).

50/5 = A

50 * 1/5 = A

10 = A

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The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st

Reil [10]

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Step-by-step explanation:

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$v=\frac{d}{t}$ .

Applying this to our problem we have that

$v=\frac{200m}{6.509s}= 30.726m/s$ .

So, Chris Huber’s speed in meters per second(m/s) was 30.726m/s.

b) What was Whittingham’s time through the 200 m?

In a) we stated that $v=\frac{d}{t}$ . This formula implies that

$t=\frac{d}{v}$ .

First, observer that $19\frac{km}{h} =19,000\frac{m}{h}=\frac{19,000}{3,600}m/s= 5.2777m/s$ .

Then, Sam Whittingham speed was equal to Chris Huber’s speed plus 5.2777 m/s. So, $v=30.726\frac{m}{s} +5.2777\frac{m}{s}= 36.003 m/s.$

Then, applying 1) we have that

$t=\frac{200m}{36.003m/s}=5.5549s.$

So, Sam Whittingham’s time through the 200 m was 5.5549s.

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3 years ago