2 years ago

Write the recurring decimal 0.5 as a fraction in its simplest form.

Mathematics

2 answers:

sergejj [24]2 years ago

8 0

Answer:

0.5×2/2=1/2 is the required fraction.

emmasim [6.3K]2 years ago

3 0

Answer:

Step-by-step explanation:

Let x = 0.555...

10x = 5.555...

10x-x = 5.555... - 0.555...

9x = 5

x = 5/9

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Jake completed a marathon race in 3 hours and 12 minutes. What would be Jake's running time as a decimal?

VikaD [51]

$\text{Given that Jake completed a marathon race in 3 hours and 12 minutes.}\\
\\
\text{we need to find this time in decimals. so we will convert 12 minutes into hours}\\
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\text{We know that there are 60 minutes in 1 hour. }\\
\\
\text{so in 1 minute there will be}=\frac{1}{60 }\text{ hour}$

$\text{hence in 12 minutes we have}=\frac{1}{60}\times 12=\frac{1}{5}=0.2 \text{ hours}\\
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\text{hence the Jake's running time is}=3\text{hours + 12 minute}\\
\\
=3\text{ hours}+0.2 \text{ hours}\\
\\
=3.2 \text{ hours}$