Sales of video games and consoles fell from $1.15million to $1.03 million in 1 year. Find the percent decrease. Round the answer
2 answers:
Answer:
10.4%
Step-by-step explanation:
Sales of video games and consoles fell from $1.15 million to $1.03 million in 1 year.
Sales of video games and consoles of last year = $1.15 million
Sales of video games and consoles of this year = $1.03 million
Let the percent decrease = x%
x% =
=
x = 10.4347% ≈ 10.4%
The decrease percent is 10.4%
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Substitute x = 2 we get the system:
Multiply the first equation by -5 and the second by 2 we get the system:
Adding the two equations we get :
We find the value of y by using any of the other equations like this:
Final solution:
Substitute x = 2 we get the system:
Multiply the first equation by -5 and the second by 2 we get the system:
Adding the two equations we get :
We find the value of y by using any of the other equations like this:
Final solution:
Answer:
The values of x and y that satisfy the equation are 2 and 2, respectively.
Step-by-step explanation:
Two complex numbers are identical if and only each pair of respective coefficients are identical on both sides. Then, we need to observe the following conditions:
Real component
(1)
Imaginary component
(2)
The solution of this system of equations is and
.
The values of x and y that satisfy the equation are 2 and 2, respectively.