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soldi70 [24.7K]
3 years ago
12

Repeated addition: 1 3 + 1 3 + 1 3 = a b a = b =

Mathematics
2 answers:
IgorLugansk [536]3 years ago
5 0

Answer:

39

Step-by-step explanation:

13 + 13 + 13 = 39

13 · 3 = 39

VMariaS [17]3 years ago
3 0

Answer:

part 1: 6, 9

part 2: 16, -24

part 3: commutative

part 4: inverse

part 5: identity

Step-by-step explanation:

edge2020

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3 years ago
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3412

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7 0
2 years ago
How do I work this out
Iteru [2.4K]
If the track is 10km long, and X travels at 40 km/h, it will take 1 hour to do 4 laps. this means that car X will do one lap in 15 minutes. Y travels at 30 km/h, which means it will do 3 laps in 1 hour, meaning that car X will do 1 lap in 20 minutes.

X- 15, 30, 45, 60
Y-20, 40, 60


Therefore, after an hour, they will pass again.
5 0
3 years ago
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