Question

simplify :
[-5/9×72/-125]+[11/17×34/55]-[1/2÷5/4]

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Answer 1

Answer:

Please mark as brainlest

Step-by-step explanation:

P9 is the correct answer

Answer 2

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Question :

Simplify:

$\pink\star\large\rm{\bigg( \dfrac{-5}{9} \times \dfrac{72}{-125} \bigg) +\bigg(\dfrac{11}{17} \times \dfrac{34}{55} \bigg) - \bigg(\dfrac{1}{2} +\dfrac{5}{4} \bigg) }$

SOLUTION:

$\\ \quad\implies \large \sf \bigg( \frac{ - 5}{9} \times \frac{72}{ - 125} \bigg) + \bigg( \frac{11}{17} \times \frac{34}{55} \bigg) - \bigg( \frac{1}{2} + \frac{5}{4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{ \cancel{-5}}{ \cancel{9}} \times \frac{ \cancel{72} \: \: 8}{ \cancel{- 125} \: \: 25} \ \: \bigg) + \bigg( \frac{ \cancel{11}}{ \cancel{17}} \times \frac{ \cancel{34} \: \: 2}{ \cancel{55} \: 5} \bigg) - \bigg( \frac{1 \times 2}{2 \times 2} + \frac{5}{4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{8}{25 } \bigg) + \bigg( \frac{2}{5} \bigg) - \bigg( \frac{7}{4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{8}{25} + \frac{2}{5} \bigg) - \bigg( \frac{7}{4} \bigg)$

$\\ \quad\implies \large \sf \bigg( \frac{8}{25} + \frac{2 \times 5}{5 \times 5} \bigg) - \bigg( \frac{7}{4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{8}{25} + \frac{10}{25} \bigg) - \frac{7}{4}$

$\\ \quad \implies \large \sf \: \bigg( \frac{18}{25} - \frac{7}{4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{18 \times 4 - 25 \times 7 }{25 \times 4} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{72 -175 }{100} \bigg)$

$\\ \quad \implies \large \sf \bigg( \frac{ - 103}{100} \bigg)$

$\pink \bigstar \boxed{ \boxed{ \underline{ \bf{the \: correct \: answer \: is \: \frac{ - 103}{100} }}}}$