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bezimeni [28]
3 years ago
12

Which number is equivalent to 0.45? line over .45

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Answer:

\frac{5}{11}

Step-by-step explanation:

The line over 45 indicates 45 is being repeated, that is

0.4545....

Create 2 equations with the repeating values after the decimal point

let x = 0.4545..... → (1) ( multiply both sides by 100 )

100x = 45.4545..... → (2)

Subtract (1) from (2) eliminating the repeating decimal

99x = 45 ( divide both sides by 99 )

x = \frac{45}{99} = \frac{5}{11}

Thus 0.4545... = \frac{5}{11}

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