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carolyntowerskemp
13.12.2020 •
Mathematics
10. cos(theta)= 1/2
find one solution and then find the "general formula"
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Ответ:
The correct option is (D) (3, -5).
Step-by-step explanation: We are given to find the correct ordered pair that is a solution to the following system of equations :
We will be using the method of SUBSTITUTION to solve the given system.
Substituting the value of y from equation (ii) in equation (i), we get
From equation (ii), we get
Thus, the required solution is (x, y) = (3, -5).
Option (D) is CORRECT.