Answer:
There are 31 students in the class.
Step-by-step explanation:
Answer:
A) 4 groups of 9 negatives
Step-by-step explanation:
-36/4
-9
This means we have 4 groups of 9 negatives
Before answering that question need to know how much iron , vitamincs. etc are in brand A &B
Answer:
T(a) =(a+2)/11
Step-by-step explanation:
The inverse of the inverse is the function
To find the inverse let T^-1(a) be y
y = 11a -2
Exchange y and a
a = 11y -2
Solve for y
Add 2 to each side
a+2 = 11y -2 +2
a+2 =11y
Divide each side by 11
(a+2)/11 =y
T(a) =(a+2)/11