Examine the system of equations. −5x 5y = 40 4x 3y = 24 What is the solution? ( , ).
1 answer:
The solution of the equation is x = 0 and y = 8.
Given
The system of equation is;
Any system of equations can be solved in different methods. To solve a system of equations in 2 variables, we need at least 2 equations following all the steps given below.
From equation 1
Substitute the value of y in equation 2
Substitute x = 0 in the equation 1
Hence, the solution of the equation is x = 0 and y = 8.
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The values of BMW after 2 years and 4 years according to the EXPONENTIAL FUNCTION are $33,462 and $20,358.28
Using the parameters given, we define an decreasing exponential function :
Where,
= initial amount ; r = Rate ; t = time ; A = final amount
Value after 2 years :
t = 2
A = 55000(1 - 0.22)²
A = 55000(0.78)²
A = $33,462
Value after 4 years :
t = 4
A = 55000(1 - 0.22)^4
A = 55000(0.78)^4
A = $20,358.28
Therefore, the value of BMW after 2 years and 4 years $33,462 and $20,358.28 respectively.
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