Answer:
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Step-by-step explanation:
i just knowvghnm,.
I think this is the answer
Answer:
2√3
Step-by-step explanation:
You recognize this as a 30°-60°-90° triangle, so you know the hypotenuse (R) is twice the length of the shortest side (√3).
The magnitude of R is 2√3.
_____
In case you haven't memorized the ratios for a 30°-60°-90° triangle, you can use trigonometry and the fact that ...
Sin = Opposite/Hypotenuse
sin(30°) = √3/R
R = √3/sin(30°) = √3/(1/2) = 2√3
Of course, doing this on your calculator will give a numerical answer, which you may not want.
1. Anwser=53.3 (do 40*3 then anwser x 4)
2anwser=120
Answer:
(-3, ∞)
Step-by-step explanation:
Since this is an upward opening parabola, it will expand as it approaches infinity, so the first and second answers are wrong.
We can tell by the graph that the y value of the vertex is at -3, so that means the answer can't be the fourth one.
Therefore, the answer is (-3, ∞)