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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
During your cycling trip, you and your friends often stayed in hostels. The prices of these are listed below.
saw5 [17]

Answer:

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Step-by-step explanation:

We need to find the mean of the standard cost to find the night-time rest days:

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So, the required mean is : \frac{22.45+18.55+24.50+11.20+??}{5}=20.60

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After simplification we will get the night-time rest days price which is: $26.3

Now, we will find the range in cost of stays in standard price and with breakfast price which is difference between the maximum cost minus the lowest cost

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