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jasenka [17]
2 years ago
10

HELP ASAP PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
Ratling [72]2 years ago
8 0
81.7%

This is because the area of the inside circle is roughly 18.3% of the big circle. You can get this by finding both of their areas and then dividing the inside circle by the outside one. 
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Answer:

a) Who jogs faster?

Your friend jogs faster because he jogs with a speed of 10.91 km/hr

Step-by-step explanation:

Speed = Distance(km)/Time(hours)

Question 2 How much sooner will the faster jogger finish a five-kilometer race?

Your friend's will finish a 5km race at a speed of 18.18 km/hr

Your speed is :

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Convert 12 minutes to hours

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Your friend's speed is calculated as:

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Convert 16.5 minutes to hours

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x = 0.275 hour

Your speed is calculated as:

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= 10.909090909 km/hr

Approximately = 10.91km/hr

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Your friend jogs faster because he jogs with a speed of 10.91 km/hr

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Your friend jogs faster, hence:

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5km = x

x = 5 × 10.91/3

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