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Oliga [24]
3 years ago
8

120 pupils went on a feildtrip . 55% of the pupils were girls and the rest were boys. How many boys went on the trip?

Mathematics
2 answers:
wlad13 [49]3 years ago
4 0

Answer:

54 boys went in the trip

Step-by-step explanation:

55% of 120 is 66 and 66 minus 120 is 55

weeeeeb [17]3 years ago
3 0

Answer:

number of boys are 54. ...

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A building may fail by excessive settlement of the foundation or by collapse of the superstructure. Over the life of the buildin
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Answer:

0.1536

Step-by-step explanation:

The computation of probability that the building failure will occur over its life is shown below:-

P(building failure) is

P(ES \cup C)\\\\ = P(ES) + P(C) - P(ES\cap C)\\\\ = P(ES) + P(C) - P(ES) P (C | ES)\\\\ = 0.12 + 0.06 - 0.12 \times 0.22

now we will solve the above equation

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After solving the above equation we will get

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Therefore for computing the probability that the building failure will occur over its life we simply applied the above formula.    

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I'd really appreciate it if you'd show your work for the question, it'd be lots of help! I'll give Brainliest! :)
Sonbull [250]

Let the number of ride tickets = x tickets.

And the total cost is given by y.

Fair charges $1.25 per ticket for the rides.

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