80% is the same as 4/5, so 4/5 of the class= 20. That means that if there was a picture, 4 parts would be shaded, and 1 would not. 1/4 of 20 is 5, so 1 part= 5 people. 5 x 5 = 25. 25 is the answer. :)
Answer:
For 2/5=0.4 For 40/100 is also 0.4
Step-by-step explanation:
Answer:
17.65% probability a rider must wait between 1 minute and 1.5 minutes
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The probability that we find a value X lower than x is between c and d is given by the following formula

For this problem, we have that:


17.65% probability a rider must wait between 1 minute and 1.5 minutes
Answer:
Step-by-step explanation:
57-2=55
55+7=62
it does not equal 111
The answer is B, pi*r/2
Steps
It is a square so each of the angles is 90 degrees (a quarter of 360). So, APD is a quarter of the circle circumference. A full circumference is 2*pi*r, so a quarter circumference is pi*r/2