There are 70/2 = 35 suitcases with the substance. The probability of not detecting the substance is 1.00 - 0.68 = 0.32. Therefore the expected number of times the substance is not detected is:
Answer:
5 1/5 is rational, because it can be written as a fraction.
Step-by-step explanation:
All rational numbers are numbers that can be written as a fraction. We can make 5 1/5 into an improper fraction. 5 1/5 = 26/5.
Answer: Option #1: ( -2 , -1 )
Step-by-step explanation:
5(-2) - (-1) = 9
(-2) - (-1) = -1
4(5y-8-2) = 185-15
20y-32-8 = 170
20y-40 = 170
+40 +40
20y = 210
Divide both sides by 20
Y= 10.5
I think the answer would be Y=7/5x-2
Hope I helped:D