In which quadrants of the coordinate plane is the shaded region of the system located? y ≥ x y ≤ x + 4
2 answers:
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<h2>Greetings!</h2><h3>Firstly, the slope is found by rearranging the formula:</h3>
<h2>Hope this helps!</h2>
3y = 4x + 39
y = +
When x is 0, y = 0(x) + , so the y intercept is
So can be rearranged to
, so the slope would be
.
<h2>Hope this helps!</h2>
Answer:
cos(45°) = (√2)/2
Step-by-step explanation:
The cosine of 45° is the x-coordinate of the point on the unit circle where the line y=x intersects it. That is, it is the positive solution to the equation ...
x^2 +x^2 = 1
x^2 = 1/2 = 2/4 . . . . . collect terms, divide by 2, express the fraction with a square denominator
x = √(2/4) . . . . . . take the square root
x = (√2)/2 . . . . . simplify
The cosine of 45° is (√2)/2.
