Answer:
A. Concentration gradient must exist.
Step-by-step explanation:
Answer:
the answer im getting is 8y^5x sorry if its wrong
Step-by-step explanation:
https://www.symbolab.com/solver/step-by-step/4%3Ax%5E%7B-%7D2y%5E%7B2%7D%2Fx%5E%7B0%7Dy%5E%7B3%7D?or=input
Answer:
8 marbles
Step-by-step explanation:
Since Carl has 7 times as many marbles as Bill (who is the base unit), Carl's number of marbles is equal to 7 units.
7 units = 56
1 unit =

Bill has 8 marbles.
Answer:
52
Step-by-step explanation:
Given that :
Mean (m) = 78
Standard deviation (s) = 13
Score that is 2 standard deviations below the mean
Using the relation :
Zscore = (x - m) / s
2 standard deviations below the mean means a Zscore of - 2
Hence,
-2 = (x - 78) / 13
Cross multiply
-2 * 13 = x - 78
-26 = x - 78
x = - 26 + 78
x = 52
Score which is 2 standard deviations below the mean is 52