<span><span>θi</span>=<span>sin<span>−1</span></span>(μsin<span>θr</span>)
=<span>sin<span>−1</span></span>(1.33×sin46.5)
=74.7degrees</span>
The inverse of the equation y = x² - 4, x≤ 0 is 
<h3>How to determine the inverse of the equation?</h3>
The equation is given as:
y = x² - 4, x≤ 0
Swap the x and y values
x = y² - 4
Add 4 to both sides
y² = x + 4
Take the square root of both sides
Hence, the inverse of the equation y = x² - 4, x≤ 0 is
Read more about inverse equations at:
brainly.com/question/11302699
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Answer:
Move 6 to the left of f. 6f
Answer:
The net force of the brick is 0N and the brick doesn't move
Step-by-step explanation:
Both forces have the same amounts being applied to on the brick, so the forces will cancel each other out and have no effect on the brick, so the brick won't move.
Answer:
the answer is 2
Step-by-step explanation:
y=-6x+19
-6x+4y=16
-6x+4(-6x+19)=16
-6x-24x+76=16
-30x+76=16
-30x=16-76
-30x=-60
if there is - in both side we should cut them
30x=60
x=60/30
x=2
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