Is 16x47 what you're asking for? The answer to 16x47 is 752 if that's what you needed.
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x + y = 53
x -y = 9 Adding both equations
2x = 62
x = 31 y = 22
The measure of angle θ = 7pi/6. To convert this to degrees, substitute pi with 180 degrees. Pi is always equal to 180 degrees.
θ becomes: 7 x 180/6
Therefore, θ = 210 degrees.
And, to solve for sin θ, you can directly input sin (210) in the calculator.
Thus, sin θ = sin (210) = -0.5 or -1/2