Mathematics: Use the commutative law of addition to find an expression equivalent to 77 plus+44yy.

The best estimate is -95/36Step-by-step explanation:Given expression = Thus, the best estimate is -95/36...

Use the commutative law of addition to find an

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kassandramarie16

18.04.2020

Mathematics

The best estimate is -95/36

Step-by-step explanation:

Given expression = $(\frac{34}{8} -\frac{16}{3} ) -\frac{14}{9}$

$=(\frac{34}{8} -\frac{16}{3} ) -\frac{14}{9}\\\\ = (\frac{17}{4} -\frac{16}{3} ) -\frac{14}{9}\\\\= (\frac{3(17) - 4(16)}{12} ) -\frac{14}{9}\\\\=(\frac{51- 64)}{12} ) -\frac{14}{9}\\\\= (\frac{-13}{12} ) -\frac{14}{9}\\\\= \frac{-117 - 168}{108} \\\\= \frac{-285}{108} \\\\= \frac{-95}{36}$

Thus, the best estimate is -95/36

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Use the commutative law of addition to find an expression equivalent to 77 plus+44yy.

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