Answer: the answer is 6
Step-by-step explanation: because 6/4 = 1.5 and 1.5• 6 =9
Answer:
48 minutes
Step-by-step explanation:
first divide 6 miles by 2.5 miles, that will be 2.4 miles, then multiply by 20
I don’t know i need points sorry so sorry
can you show me a picture then maybe i can help you
Answer:
The probability that it would take more than four hours to construct a soapbox derby car = 0.1587 or 15.87
Step-by-step explanation:
Given -
Mean
= 3 hours
Standard deviation
= 1 hours
Let X be the no of hours to construct a soapbox derby car
the probability that it would take more than four hours to construct a soapbox derby car =
= 
=
Put 
= 1 -
= 1 - .8413 Using z table
= 0.1587