Answer: 5 hours
Step-by-step explanation:
If 10% of 140 is 14. And if 14 mg of caffeine is leaving per hour then it would take 10 hours to completely leave from ones body, but for half of it to leave it would take 5.
Answer:
Commutative Property of Multiplication
I hope this helps you :D
Answer:
Value of 26.93 will be exceeded 85% of the time.
Step-by-step explanation:
We are given that a random variable is normally distributed with a mean of 25 and a standard deviation of 5.
Let X = a random variable
So, X ~ N(
)
The z score probability distribution is given by;
Z = 
~ N(0,1)
where, 
= population mean
= standard deviation
Now, we have to find that value which will be exceeded 85% of the time, i.e.;
P(X > 
) = 0.85
1 - P(X 
) = 0.85
P(X ) = 0.15
P( 
) = 0.15
P(Z ) = 0.15
Now, in the z table the critical value of whose less than area is 0.15 is given as 0.3853, i.e;
= 0.3853
= 25 + 1.9265 = 26.93
Therefore, value of 26.93 will be exceeded 85% of the time.
I believe the correct answer from the choices listed above is option A. The function that would best represent the scatterplot would be that <span>y = 0.1x + 10. We see that the y-intercept of the plot would be at point 0,10 and the slope would be:
slope = (20-10 / 100-0) = 0.1
Resulting to an equation, y = 0.1x + 10</span>
Answer:
2 students are in both clubs
Step-by-step explanation:
x = 1 student (this number may be more than the total because one student can be in 2 clubs)
Club a = 13
Club b = 20
13 + 20 = 27x
Total members of clubs - total number of students = 27x - 25 = 2
2 students are in both clubs
Hope this was useful to you!
