The solution of the system of equation of the matrix is as follows:
x = - 8
y = 3
<h3>How to find the solution of matrix?</h3>
3x + 10y = 6
x + 3y = 1
multiply equation(ii) by 3
3x + 10y = 6
3x + 9y = 3
Therefore,
y = 3
Hence,
x + 3y = 1
x + 3(3) = 1
x + 9 = 1
x = 1 - 9
x = -8
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SOLUTION:
We are to find the rate of inflation in the given question;
The formula to be used is;
Inflation rate =
CONCLUSION
The inflation rate of CPI that increased from 208 to 221 to the nearest tenth of a percentage is 6.3%.
Answer:
m=-3
Step-by-step explanation:
I just used the slope formula. Hope this helps! Also, I'm certain this is correct.