By what rational number should we multiply 20/−9 , so that the product may be −5/9 ? About the author Hadley
Answer: [tex]let \: number \: be \: x \\ x \times \frac{20}{ – 9} = \frac{ – 5}{9} \\ x = \frac{ – 5}{9} \div \frac{20}{ – 9} \\ x = \frac{ – 5}{9} \times \frac{ – 9}{20} \\ x = \frac{ – 1}{1} \times \frac{ – 1}{4} \\ x = \frac{ – 1}{ – 4} [/tex] Reply
Answer:
your answer will ne -100/81
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Answer:
[tex]let \: number \: be \: x \\ x \times \frac{20}{ – 9} = \frac{ – 5}{9} \\ x = \frac{ – 5}{9} \div \frac{20}{ – 9} \\ x = \frac{ – 5}{9} \times \frac{ – 9}{20} \\ x = \frac{ – 1}{1} \times \frac{ – 1}{4} \\ x = \frac{ – 1}{ – 4} [/tex]