Answer:
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Answer:
X- axis
Step-by-step explanation:
A. 8
B. 11
C. 22
D. 41
For this case we have the following variables:
x: number of nickels
y: number of dimes
z: number of quarters
We now write the system of equations that models the problem:
Rewriting the equations as a function of z we have:
From here, we clear the value of z:
Answer:
The number of quarters that Rachna has is:
B. 11
Then:
By differentiating...