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horsena [70]
3 years ago
9

A. Choose a pair of fractions from the list and show

Mathematics
1 answer:
Leno4ka [110]3 years ago
6 0

Answer:

See below

Step-by-step explanation:

Two fractions

\large\bf \frac{a}{b}

and

\large\bf \frac{c}{d}

are <em>equivalent</em> if  

a*d = b*c

Let's pick for example the couple of fractions

\large\bf \frac{84}{96}

and

\large\bf \frac{147}{168}

They would be equivalent if

84*168 = 96*147

As we have

84*168 = 14,112

96*147 = 14,112

Then the fractions are equivalent.

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Answer:

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Step-by-step explanation:

You are looking to rewrite the middle term as the sum of terms that have factors of (12)(-13) that have a total of +1. Those factors are -12 and +13, so the expression you are factoring by grouping is ...

  12x^2 +13x -12x -13

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