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Eva8 [605]
3 years ago
11

HELP PLEASE!! URGENT!!

Mathematics
1 answer:
Ugo [173]3 years ago
5 0

Answer:

Step-by-step explanation:

You can answer this using the law of cosines:

c^2=a^2+b^2-2ab \cos{c}

c^2 is equal to 4^2 + 7^2 - 2(4)(7)(cos 102º)

= 16 + 49 - 56(cos 102º)

c^2 ~ 76.64 --> c ~ 8.8

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s = 2t₁ + t₂

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Step-by-step explanation:

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For walking:

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