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satela [25.4K]
4 years ago
7

Two cars leave a house at the same time. one car travels 60 km/hr north, while the other car travels 40 km/hr east. after 1 hr,

how far apart are the cars?

Mathematics
2 answers:
MrRa [10]4 years ago
7 0
Ok, so now one is 60km up and other is 40km, right
pythagoran theorem
distance between them is hypotonuse
legs are 60km and 40km

so
a²+b²=c²
60²+40²=c²
3600+1600=c²
5200=c²
sqrt both sides
20√13=c or aprox 72.11 km apart

Ksju [112]4 years ago
6 0
They are 20km apart. because in one hour one car would travel 60km and the other 40km and 60-40=20
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