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Andrews [41]
2 years ago
8

Simplify algebraic fraction

Mathematics
1 answer:
Julli [10]2 years ago
3 0
You can get common denominator in the denominator of the original fraction so it would look like:
\frac{4}{ \frac{1}{4}- \frac{10}{4} } = - \frac{1}{ \frac{9}{4} }

You can reciprocalize and then multiply:
4* -\frac{4}{9} =  -\frac{16}{9}

So, your answer is C.
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Step-by-step explanation:

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ratelena [41]

Answer:  r = C/(2pi)

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=========================================================

Explanation:

pi is some number (approximately 3.14) which means 2pi is also some number (roughly 6.28)

Saying c = 2pi*r means we have 2pi times r, and the result is the circumference c. To isolate r, we'll undo the multiplication. We'll undo it by dividing both sides by 2pi like so

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-----------------

Extra Info (Optional Section):

As an example, let's say the circumference of the circle is 628 feet. This means the distance around the circle is 628 feet. So C = 628 would lead to...

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