Speed = 225 metres per minute
Distance = 15 km = 15,000 metres
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s=d/t
ts=d
Therefore: t=d/s
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Time = Distance / Speed
Time = (15,000 metres) / (225 metres per minute)
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Let's work it out:

Answer:
It's B
Step-by-step explanation:
Answer: the answer is A
Step-by-step explanation: the commas are pausing the sentences for no reason the sentence is fine by itself
Answer:
what grade is that ?
Step-by-step explanation:
???????????
Answer: a) 0.0088
b) 0.2997
c) 5
Step-by-step explanation:
Given : Mean :
minutes
Standard deviation :
minutes
The formula for z-score :

a) For x = 60 minutes

The p-value =
b) For x = 75 minutes

The p-value =

c) For x = 90 minutes

The p-value =

If the number of students in the class = 60 .
Then , the number of students will be unable to complete the exam in the allotted time =