If data collected shows that 95% of the cars travel at the speed of less than 140 k m/h and 10% travel at the speed less than 90 km an hour what is the average speed and the SD for the cars traveling on that specific stretch of the highway?

10000

step-by-step explanation: divide by 2,

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b.   e = 7.5h

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perimeter = 10 +  √10  units

explanation:

first, we will need to get the length of each line using the distance formula which is as follows:

distance = 

1- length of ab:

ab =   = 5 units

2- length of ac

length of ac is the same as ab = 5 units

3- length of bc:

bc =   =  √10  units

now, we can get the perimeter by adding the side lengths as follows:

perimeter = 5 + 5 +  √10

perimeter = 10 +  √10  units

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