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kelseychristian24
03.02.2020 •
Mathematics
What are the solutions of the inequality? graph the solutions b - 4> 4
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Ответ:
Add 4 to both sides so that the only thing remaining on the left side is the variable b
Final b>8
Ответ:
Add 4 to both sides to get the variable b on a side and its value on the other side:
b - 4 + 4 > 4+4
b > 8.
So b - 4 > 4 when b > 8.
So every single number above 8.0 is a solution of the inequality. So we can translate to an interval
b - 4 > 4 for b = [8, +∞[
The interval is always opened from the ∞ side because ∞ is not actually a real number
Hope this Helps! :)
Ответ:
sinθ = 4/5
Step-by-step explanation:
The given point is (-3,4). This point lies in the second quadrant.
In second quadrant, sinθ is positive.
Now, please see the attached image.
The point (-3,4) is at A. The hypotenuse OA can be found by using the Pythagorean theorem.
Now, in triangle AOB,
Thus, we have
sinθ = 4/5