im pretty sure it's the first option.
Answer:
Step-by-step explanation:
Given
Shape: Trapezoid
Required
Determine the length of the second parallel side
The area of a trapezoid is:
Substitute values for Area, Height and Side1
Multiply both sides by 2
Divide both sides by 18
Hence;
<em>The length of the second parallel side is 17cm</em>
Answer:
a) 7.79%
b) 67.03%
c) Cumulative Distribution Function
Step-by-step explanation:
We are given the following in the question:
where x is the duration of a call, in minutes.
a) P( calls last between 2 and 3 minutes)
b) P(calls last 4 minutes or more)
c) cumulative distribution function
Answer:
60% or 3/5
Step-by-step explanation:
Tails was the result 3 times.
There were 5 trials.
The probability is 3/5.
3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2